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  Edition 11/2022 SYSTEM MANUAL SIMATIC S7-1500 Redundant system S7-1500R/H support.industry.siemens.com…
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  Introduction Safety information SIMATIC New properties/functions S7-1500 S7-1500R/H redundant system System overview System Manual Application planning Installation Wiring Configuration Basics of program execution Protection Commissioning Display Maintenance Test and service functions Technical specifications 11/2022 A5E41814787-AD Continued on next page…
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  Continued Dimension drawings Accessories/spare parts Safety symbols S7-1500 S7-1500R/H redundant system Decommissioning System Manual…
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  Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.

• Page 5: Table Of Contents

  Table of contents Introduction……………………….11 S7-1500R/H Documentation Guide………………13 1.1.1 Information classes S7-1500R/H………………13 1.1.2 SIMATIC Technical Documentation………………14 Safety information……………………..16 Security information………………….16 New properties/functions……………………17 System overview……………………..What is the S7-1500R/H redundant system?…………… 21 4.1.1 Areas of application………………….21 4.1.2 Operating principle of the S7-1500R/H redundant system……….

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  Table of contents Application planning…………………….. 72 Requirements……………………72 Restrictions compared to the S7-1500 automation system……….74 Configuration versions…………………. 76 5.3.1 S7-1500R/H configuration with IO devices in the PROFINET ring……… 76 5.3.2 Configuration of S7-1500R/H with switches and additional line topology……78 5.3.3 Specific configuration variants for S7-1500H…………..
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  Table of contents 5.5.4.7 Failure of PROFINET lines in two places in a line topology with S2 devices……146 Hardware configuration………………..148 Using HMI devices………………….149 Installation……………………….153 Basics……………………..153 Installing the mounting rail………………..155 Installing the standard rail adapter………………159 Installing a load current supply………………
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  Table of contents Process images and process image partitions…………..212 8.9.1 Process image — overview………………..212 8.9.2 Updating process image partitions in the user program…………. 213 Basics of program execution………………….215 Programming the S7-1500R/H………………. 215 Restrictions……………………218 Events and OBs……………………. 220 Special instructions for S7-1500R/H redundant systems………….
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  Table of contents 11.5.1 Automatic memory reset………………..296 11.5.2 Manual memory reset………………….. 297 11.6 Backing up and restoring the CPU configuration…………..298 11.7 Time synchronization………………….302 11.7.1 Example: Configuring the NTP server…………….. 303 11.8 Identification and maintenance data…………….. 304 11.8.1 Reading out and entering I&M data……………….
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  Table of contents 15.6 Use of S7-1500R/H in Zone 2 hazardous area…………..365 Dimension drawings……………………… 366 Accessories/spare parts……………………369 Safety symbols………………………. 371 Safety-related symbols for devices without Ex protection……….. 371 Safety-related symbols for devices with Ex protection…………372 Decommissioning……………………..373 Introduction……………………

• Page 11: Introduction

  When using HF-CPUs in safety mode, note the description of the F-system SIMATIC Safety Programming and Operating Manual SIMATIC Safety — Configuring and Programming (https://support.industry.siemens.com/cs/ww/en/view/54110126). Conventions STEP 7: In this documentation, «STEP 7» is used as a synonym for all versions of the configuration and programming software «STEP 7 (TIA Portal)».

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  Industry Mall The Industry Mall is the catalog and order system of Siemens AG for automation and drive solutions on the basis of Totally Integrated Automation (TIA) and Totally Integrated Power (TIP).

• Page 13: S7-1500R/H Documentation Guide

  Changes and supplements to the manuals are documented in a Product Information. The Product Information takes precedence over the device and system manuals. You can find the latest Product Information on the redundant S7-1500R/H system on the Internet. (https://support.industry.siemens.com/cs/ww/en/view/109742691) S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 14: Simatic Technical Documentation

  Online Support: Industry Online Support International https://support.industry.siemens.com/cs/ww/en/view/109742705 Watch this short video to find out where you can find the overview directly in Siemens Industry Online Support and how to use Siemens Industry Online Support on your mobile device: Quick introduction to the technical documentation of automation products per video ( https://support.industry.siemens.com/cs/us/en/view/109780491…

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  Manuals, characteristics, operating manuals, certificates • Product master data You can find «mySupport» on the Internet. (https://support.industry.siemens.com/My/ww/en) Application examples The application examples support you with various tools and examples for solving your automation tasks. Solutions are shown in interplay with multiple components in the system — separated from the focus on individual products.

• Page 16: Safety Information

  Siemens’ products and solutions undergo continuous development to make them more secure. Siemens strongly recommends that product updates are applied as soon as they are available and that the latest product versions are used. Use of product versions that are no longer supported, and failure to apply the latest updates may increase customers’ exposure to cyber threats.

• Page 17: New Properties/Functions

  New properties/functions What’s new in the System Manual S7‑1500R/H redundant system, issue 11/2022 compared to issue 05/2021 What’s What are the customer benefits? Where can I find the informa­ new? tion? New con­ Support As of FW version V3.0, the S7-1500H redundant sys­ As of System overview (Page 21) tents PROFINET system…

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  As of FW version V2.9, you can influence the PROFINET switched S1 devices changeover time between disconnection and (https://support.industry. siemens. return of switched S1 devices after a fail­ com/cs/ww/en/view/49948856) ure/STOP of the primary CPU. Function Manual This function provides the following advant­…
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  New properties/functions What’s new? What are the customer benefits? Where can I find the informa­ tion? New con­ OB 72 (CPU redundancy error) As of FW version V2.9, the operating system Programming the S7-1500R/H tents calls OB 72 on further events: (Page 215) section •…
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  Alarms in the user program Messages enable you to display events from Function manual Diagnostics process execution in the S7-1500R/H redund­ (https://support.industry. siemens. ant system and to quickly identify, accurately com/cs/ww/en/view/59192926) locate, and correct errors. S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 21: System Overview

  System overview What is the S7-1500R/H redundant system? S7‑1500R/H redundant system For the S7-1500R/H redundant system, the CPUs are duplicated, in other words redundant. The two CPUs process the same project data and the same user program in parallel. The two CPUs are synchronized over two redundancy connections.

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  The fans continue to operate. You can find a detailed description of tunnel automation with S7-1500H in Getting started (https://support.industry.siemens.com/cs/ww/en/view/109757712) Redundant system S7-1500R/H. S7-1500R/H redundant system…
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  System overview 4.1 What is the S7-1500R/H redundant system? Example 2: Avoiding high system restart costs as a result of data loss Automation task A logistics company needs a matching automation solution for controlling the storage and retrieval unit in a high-bay warehouse. Feature The failure of a controller would have serious consequences.
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  System overview 4.1 What is the S7-1500R/H redundant system? Feature Failures, especially in the process industry, can result in damages to the system, workpieces or material. In a steelworks, there is a danger of the pig iron cooling if the process is interrupted.

• Page 25: Operating Principle Of The S7-1500R/H Redundant System

  System overview 4.1 What is the S7-1500R/H redundant system? 4.1.2 Operating principle of the S7-1500R/H redundant system Introduction S7-1500R/H redundant systems tolerate the failure of one of the two CPUs. The S7-1500R and S7-1500H systems differ in structure, configuration limits and performance.

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  System overview 4.1 What is the S7-1500R/H redundant system? The following picture shows a configuration of the S7-1500R in the PROFINET ring. ① R-CPU (CPU 1515R-2 PN) ② PROFINET cable (redundancy connections, PROFINET ring) ③ IO device ④ Switch Figure 4-4  S7-1500R configuration in PROFINET ring Principle of operation One of the two CPUs in the redundant system takes on the role of primary CPU.
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  System overview 4.1 What is the S7-1500R/H redundant system? S7-1500H configuration and operating principle The S7-1500H redundant system consists of: • Two CPUs S7‑1500H ① • PROFINET ring with Media Redundancy Protocol ② (only when configured as ring topology) • Two redundancy connections ③…
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  System overview 4.1 What is the S7-1500R/H redundant system? The following figure shows a configuration of the S7-1500H in a PROFINET ring. ① H-CPU ② PROFINET cable (PROFINET ring) ③ Redundancy connections (fiber-optic cables) ④ IO device ⑤ Switch Figure 4-5  S7-1500H configuration with IO devices in the PROFINET ring S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…
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  System overview 4.1 What is the S7-1500R/H redundant system? The following figure shows a configuration of the S7-1500H with R1 devices in two separate PROFINET rings. ① H-CPU ② Redundancy connections (fiber-optic cables) ③ PROFINET cable (PROFINET ring 1) ④ PROFINET cable (PROFINET ring 2) ⑤…
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  System overview 4.1 What is the S7-1500R/H redundant system? The figure below shows a configuration of the S7-1500H with S2 devices in a line topology. ① H-CPU ② Redundancy connections (fiber-optic cables) ③ IO device (with system redundancy S2) ④ Switch ⑤…
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  System overview 4.1 What is the S7-1500R/H redundant system? The figure below shows a configuration of the S7-1500H with R1 devices in a line topology ① H-CPU ② Redundancy connections (fiber-optic cables) ③ PROFINET cable (line topology 1) ④ PROFINET cable (line topology 2) ⑤…
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  System overview 4.1 What is the S7-1500R/H redundant system? Synchronization of primary and backup CPU ensures rapid switchover between CPUs in the event of a failure of the primary CPU. If the primary CPU fails, the backup CPU takes over control of the process as the new primary CPU.
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  System overview 4.1 What is the S7-1500R/H redundant system? S7-1500R S7-1500H CPU 1513R‑1 PN CPU 1517H‑3 PN CPU 1515R‑2 PN CPU 1518HF-4 PN Configuration PROFINET ring with S2 devices, switched S1 devices • PROFINET networks with S2 devices, switched versions S1 devices • PROFINET networks with R1 devices •…
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  System overview 4.1 What is the S7-1500R/H redundant system? S7-1500 S7-1500R/H CPU 1513‑1 PN CPU 1518F-4 PN/DP CPU 1513R‑1 PN CPU 1518HF-4 PN CPU 1515‑2 PN CPU 1515R‑2 PN CPU 1517‑3 PN/DP CPU 1517H‑3 PN PID control ✓ ✓ ✓ ✓ Security Integrated ✓ ✓ ✓ ✓ Protection function: Copy pro­ ✓ ✓…

• Page 35: Plant Components And Automation Levels

  System overview 4.1 What is the S7-1500R/H redundant system? 4.1.3 Plant components and automation levels Plant components and automation levels The schematic diagram below shows the key components of the redundant system from the management level to the control level and the field level. Figure 4-10  Possible configuration at the management, control and field level using the example of S7-1500R From the management level, the master PC accesses the various devices at the control and field level.

• Page 36: Scalability

  System overview 4.1 What is the S7-1500R/H redundant system? 4.1.4 Scalability Introduction Redundant systems are more cost-intensive to use than non-redundant systems: • There are two CPUs. • The physical connections (PROFINET ring and redundancy connections) can be required over large distances. The S7‑1500R/H redundant system is scalable.

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  System overview 4.1 What is the S7-1500R/H redundant system? The redundancy connections in S7-1500R are the PROFINET ring with MRP. The CPUs are synchronized over the PROFINET ring. ① Load current supply (optional) ② CPU S7-1515R-2 PN ③ PROFINET cable (redundancy connections, PROFINET ring) ④…
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  System overview 4.1 What is the S7-1500R/H redundant system? The redundancy connections in S7-1500H are two duplex fiber-optic cables that connect the CPUs directly with plug-in synchronization modules. The figure below shows a configuration example of the S7-1500H in the PROFINET ring. ①…

• Page 39: Overview Of Features

  System overview 4.2 Configuration 4.1.5 Overview of features The following figure summarizes the main features of the redundant S7-1500R/H system. Figure 4-13  S7-1500R/H features Configuration 4.2.1 Structure of the S7-1500R redundant system Configuration The S7‑1500R redundant system comprises the following components: •…

• Page 40: Structure Of The S7-1500H Redundant System

  System overview 4.2 Configuration interfaces X1 P2R of the CPUs directly connects the two CPUs. Via the PROFINET interfaces X1 P1R of the CPUs you set up the PROFINET ring from the first CPU via the IO devices to the second CPU.

• Page 41: Configuration Of A Fail-Safe System With Simatic S7-1500Hf

  System overview 4.2 Configuration Configuration example ① Optional load current supply ② CPU (with two synchronization modules, connected underneath, not visible in the diagram) ③ Mounting rail with integrated DIN rail profile ④ Redundancy connections (fiber-optic cables) ⑤ PROFINET cable Figure 4-15  S7‑1500H configuration example 4.2.3 Configuration of a fail-safe system with SIMATIC S7-1500HF…

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  System overview 4.2 Configuration Configuration example ① CPU 1518HF-4 PN ② Redundancy connections (fiber-optic cables) ③ ET 200SP IO device ④ PROFINET cable (PROFINET ring) ⑤ ET 200MP IO device with fail-safe and non-fail-safe modules ⑥ ET 200SP IO device with fail-safe and non-fail-safe modules Figure 4-16  Example configuration of redundant system with two CPUs 1518HF-4 PN in PROFINET ring NOTE Other configuration variants as of FW version V3.0 of the CPU 1518HF-4 PN…

• Page 43: Components

  System overview 4.2 Configuration For more information on the fail-safe modules for ET 200SP / ET 200SP HA / ET 200MP, refer to the associated system and device manuals. 4.2.4 Components Components of the S7‑1500R/H redundant system Table 4-3  S7‑1500R/H components Component Function Diagram Mounting rail The mounting rail is the rack of the S7‑1500R/H automation sys­…

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  • 10 m • Up to 40 km (additional information on fiber-optic cables in longer versions can be found in the Industry Mall (https://mall.industry.siemens.com). 4-pin connection plug The 4-pin connection plug provides the supply voltage. for CPU supply voltage Load current supply…

• Page 45: S7-1500 R/H-Cpus

  System overview 4.3 S7-1500 R/H-CPUs S7-1500 R/H-CPUs The S7-1500R/H redundant system tolerates the failure of one of the two R- or H-CPUs. If the primary CPU fails, the backup CPU takes over control of the process as the new primary CPU at the point of the interruption.

• Page 46: Redundancy

  CPU and assumes control of the process as the primary CPU at the point of interruption. The switchover time can lengthen the cycle time. Reference The full technical specifications can be found in the manuals for the CPUs and on the Internet (https://mall.industry.siemens.com). 4.3.2 Redundancy Introduction In the following section you will get an overview how to achieve a higher network and plant availability in S7-1500R/H redundant systems.

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  System overview 4.3 S7-1500 R/H-CPUs Communication relations in S7-1500R/H For a redundant system S7-1500R/H different IO device types are available. The IO device types differ with regard to the communication relations AR (Application Relation) they can establish to the CPUs of the redundant system: •…
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  System overview 4.3 S7-1500 R/H-CPUs In addition, H-Sync forwarding forwards the synchronization data even during reconfiguration of the PROFINET ring. H-Sync forwarding avoids a cycle time increase if the PROFINET ring is interrupted. NOTE Support of H-Sync forwarding The technical specifications typically state whether a PROFINET device supports H‑Sync forwarding.
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  System overview 4.3 S7-1500 R/H-CPUs The redundant S7-1500R system is in the RUN-Redundant system state. The PROFINET cable which directly connects the two CPUs fails. The PROFINET ring is interrupted. The PROFINET ring is being reconfigured. PROFINET devices without H-Sync forwarding do not forward any H-Sync frames during the reconfiguration time of the PROFINET ring.
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  System overview 4.3 S7-1500 R/H-CPUs In a redundant system, an IO device with system redundancy S2 has a system redundancy AR with each of the two CPUs (IO controllers). An IO device thus supports ARs of two IO controllers simultaneously (for the same modules). A system redundancy AR can be either a primary AR or a backup AR.
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  System overview 4.3 S7-1500 R/H-CPUs Unlike system redundancy S2, system redundancy R1 has a separate interface module for each of the two ARs. Due to these redundant interface modules, the availability is higher than with an S2 device. • Behavior in RUN-Redundant system state: The PROFINET communication runs on both system redundancy ARs simultaneously, each between one of the CPUs (IO controller) and an interface module of the R1 device.
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  • HMI device as I-device («Direct key» function) – The GSD files for SIMATIC Comfort Panel and SIMATIC Mobile Panel can be found in this application example (https://support.industry.siemens.com/cs/ww/en/view/73502293). Assign the device configured via GSD file to the S7‑1500R/H redundant system.
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  System overview 4.3 S7-1500 R/H-CPUs information in the PROFINET Function Manual (https://support.industry.siemens.com/cs/ww/en/view/49948856). MRP interconnection The MRP interconnection process is an enhancement of MRP and allows the redundant coupling of two or more rings with MRP in PROFINET networks. MRP interconnection is — like MRP — specified in the standard IEC 62439-2 (Edition 3).
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  Figure 4-18  Example: Redundant connection of S7-1500R in 2 rings with MRP interconnection Reference For more information on media redundancy, system redundancy S2, system redundancy R1 and switched S1 device can be found in the PROFINET Function Manual (https://support.industry.siemens.com/cs/ww/en/view/49948856). S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 55: Safety

  System overview 4.3 S7-1500 R/H-CPUs More information on MRP interconnection can be found in the PROFINET Function Manual and in the configuration manual SCALANCE XM-400/XR-500 Web Based Management (WBM). 4.3.3 Safety Increased security measures Wherever faults can cause personal injury or material damage, special standards must be applied to the safety of the entire plant.

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  System overview 4.3 S7-1500 R/H-CPUs Advantages and customer benefits SIMATIC Safety Integrated offers the following advantages: • Engineering with SIMATIC STEP 7 Safety Advanced in STEP 7, same engineering and operating concept for standard and fail-safe automation tasks. • Use of instructions approved by the German Technical Inspectorate from the system library Safety in the safety program, for example for protective door, emergency stop, monitored feedback loop circuit and user acknowledgment;…
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  System overview 4.3 S7-1500 R/H-CPUs Feature You need the 1518HF-4 PN CPUs. With the integrated F-functionality, you evaluate the emergency stop buttons via PROFIsafe. Solution If one of the CPUs fails (loss of redundancy), the S7‑1500HF redundant system switches from the RUN-Redundant system state to the RUN-Solo system state.

• Page 58: Security

  Protection against unauthorized access by locking the front cover with a seal or a lock You can find additional information about security mechanisms of the SIMATIC automation systems in the Security with SIMATIC S7 controllers (https://support.industry.siemens.com/cs/ww/en/view/77431846) document and in the Com­ munication (https://support.industry.siemens.com/cs/ww/en/view/59192925) function manual.

• Page 59
  You can find additional information on the protection functions described in the section Protection (Page 236) and in the STEP 7 online help. Siemens products and solutions are only one element of a comprehensive industrial security concept. Please note the additional information on Industrial Security (http://www.siemens.com/industrialsecurity).

• Page 60: Diagnostics

  System overview 4.3 S7-1500 R/H-CPUs 4.3.5 Diagnostics All levels of automation in the S7‑1500R/H redundant system have integrated diagnostics. All SIMATIC products have integrated diagnostic functions that you can use to analyze, localize and log faults and errors efficiently. System diagnostics is integrated into the firmware of the CPUs and works independently of the cyclic user program.

• Page 61: Trace

  • By configuring diagnostics events, you tailor the diagnostics to the requirements of your automation task. Reference You will find more information on diagnostics in the Diagnostics (https://support.industry.siemens.com/cs/ww/en/view/59192926) function manual. 4.3.6 Trace The trace functionality facilitates troubleshooting and optimization for the user program.

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  • A uniform standard for tag analysis that allows even sporadic errors to be located rapidly Reference You can find additional information on the trace function in the section Test functions (Page 344) and in the Using the trace and logic analyzer function manual (http://support.automation.siemens.com/WW/view/en/64897128). S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 63: Pid Control

  System overview 4.3 S7-1500 R/H-CPUs 4.3.7 PID control PID controllers are built into all R/H‑CPUs as standard. PID controllers measure the actual value of a physical variable, for example, temperature or pressure, and compare the actual value with the setpoint. Based on the resulting error signal, the controller calculates a manipulated variable that causes the process value to reach the setpoint as quickly and stably as possible.

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  System overview 4.3 S7-1500 R/H-CPUs The first step is to select the PID_3Step technology object in STEP 7: Figure 4-24  Selection of the PID_3Step technology object in STEP 7 S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…
• Page 65
  • Simple simulation, visualization, commissioning and operation via PG and HMI. • Automatic calculation of the control parameters and tuning during operation. • No additional hardware and software required. Reference You can find more information on PID controllers PID Control Function Manual (https://support.industry.siemens.com/cs/ww/en/view/108210036). S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 66: Communication

  System overview 4.4 Communication Communication 4.4.1 System and device IP addresses Device IP addresses For the interfaces of the CPUs and the IO devices to be accessible, the interfaces require IP addresses that are unique within the network (device IP addresses). MAC addresses The CPUs have a unique MAC address for each interface and its ports.

• Page 67
  Figure 4-26  Example: Communication of the S7 1500R/H redundant system over the system IP address Reference You can find more information on the system IP address in the S7‑1500R/H redundant system in the Communication (https://support.industry.siemens.com/cs/ww/en/view/59192925) function manual. S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 68: Integrated Interfaces For Communication

  System overview 4.4 Communication 4.4.2 Integrated interfaces for communication The table below provides an overview of CPU communication options in the S7‑1500R/H redundant system. Table 4-6  S7-1500R/H communication options Communication option Service available over: PROFINET inter­ PROFINET inter­ PROFINET inter­ System IP face X1 (devices face X2 (devices face X3 (devices…

• Page 69: Power Supply

  SITOP modular) can be used: • With redundant installation (https://support.industry.siemens.com/cs/ww/en/view/109768676) of the 24 V power supply as protection against failure of a power supply unit • With buffering of the 24 V power supply (e.g. with DC UPS) as protection against power failure •…

• Page 70: Sinetplan

  Figure 4-27  TIA Portal overview 4.6.2 SINETPLAN SINETPLAN (https://www.siemens.com/sinetplan), the Siemens Network Planner, helps you plan automation systems and networks based on PROFINET. The tool facilitates the professional and predictive dimensioning of your PROFINET system right from the planning stage. SINETPLAN also assists with network optimization and helps you to make the best possible use of network resources and to plan for reserves.

• Page 71: Proneta

  4.6 Software 4.6.3 PRONETA SIEMENS PRONETA (PROFINET network analysis) allows you to analyze the plant network during commissioning. PRONETA features two core functions: • The topology overview independently scans PROFINET and all connected components. • The IO check is a rapid test of the wiring and the module configuration of a plant.

• Page 72: Application Planning

  Application planning Requirements Introduction Please note the following requirements for use of the S7-1500R/H redundant system. Hardware requirements Table 5-1  Hardware requirements Property Requirement S7-1500R/H CPUs • 2 identical R-CPUs or H-CPUs in the redundant system • Identical article numbers and firmware versions for the two CPUs •…

• Page 73
  I/O modules for the IM 155-6 PN R1 interface module can be found in the Product information for the documentation of the ET 200SP (https://support.industry.siemens.com/cs/en/en/view/73021864) distributed I/O system. The R1 capability is also specified in the technical specifications of the I/O modules.

• Page 74: Restrictions Compared To The S7-1500 Automation System

  Centralized I/O modules are not supported in the hardware config­ uration of the S7-1500R/H redundant system. Cycle and response times Longer cycle and response times: You can find additional informa­ tion in the Cycle and response times (https://support.industry.siemens.com/cs/ww/en/view/59193558) function manual. S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 75
  Application planning 5.2 Restrictions compared to the S7-1500 automation system Software restrictions Table 5-4  Software restrictions Function Restriction Instructions Restrictions for specific instructions: You can find additional inform­ ation in the section Restrictions (Page 217). Display: «Modules» menu com­ Not supported mand SIMATIC Energy Suite Not supported…

• Page 76: Configuration Versions

  Application planning 5.3 Configuration versions Function Restriction Web server Not supported Configuration versions Introduction You can configure different versions of the S7-1500R/H redundant system. For the configuration variants of the S7-1500R/H system, there is redundancy for the following components: • R/H-CPUs •…

• Page 77
  Application planning 5.3 Configuration versions S7-1500R configuration ① CPU 1 ② CPU 2 ③ PROFINET cable (redundancy connections, PROFINET ring) ④ IO device ET 200MP (with system redundancy S2) ⑤ IO device ET 200SP (with system redundancy S2) Figure 5-2  S7-1500R configuration with IO devices in the PROFINET ring S7-1500H configuration ①…

• Page 78: Configuration Of S7-1500R/H With Switches And Additional Line Topology

  Application planning 5.3 Configuration versions ④ IO device ET 200SP (with system redundancy S2) ⑤ IO device ET 200MP (with system redundancy S2) ⑥ Standard IO device ET 200SP ⑦ Standard IO device ET 200MP ⑧ PROFINET cable (PROFINET ring) Figure 5-3  S7-1500H configuration with IO devices in the PROFINET ring 5.3.2 Configuration of S7-1500R/H with switches and additional line topology…

• Page 79
  Application planning 5.3 Configuration versions S7-1500R configuration ① CPU 1 ② CPU 2 ③ PROFINET cable (redundancy connections, PROFINET ring) ④ IO device ET 200SP (with system redundancy S2) ⑤ IO device ET 200MP (with system redundancy S2) ⑥ Switch ⑦…
• Page 80
  Application planning 5.3 Configuration versions S7-1500H configuration ① CPU 1 ② CPU 2 ③ Two fiber-optic cables (redundancy connections) ④ IO device ET 200MP (with system redundancy S2) ⑤ IO device ET 200SP (with system redundancy S2) ⑥ Standard IO device ET 200MP ⑦…

• Page 81: Specific Configuration Variants For S7-1500H

  Application planning 5.3 Configuration versions 5.3.3 Specific configuration variants for S7-1500H 5.3.3.1 Configuration of line topology with S2 devices and switch Introduction The section below shows you the configuration of the S7-1500H redundant system with line topology, S2 devices and switch. An additional line topology is connected to the switch. Advantages/benefits •…

• Page 82: Configuration Of Profinet Rings With R1 Devices

  Application planning 5.3 Configuration versions ⑦ PROFINET cable (line topology) ⑧ HMI device (switched S1 device or S2 device) ⑨ PROFINET cable (additional line topology) Figure 5-6  S7-1500H configuration with S2 devices and switch in a line topology NOTE If the AR to the backup CPU fails in a line topology (e.g., due to line breakage), then the redundant system must synchronize less data.

• Page 83
  Application planning 5.3 Configuration versions Configuration of S7-1500H with R1 devices in the PROFINET ring ① CPU 1 ② CPU 2 ③ Two fiber-optic cables (redundancy connections) ④ PROFINET cable (PROFINET ring 1) ⑤ PROFINET cable (PROFINET ring 2) ⑥ IO device ET 200SP HA (with system redundancy R1) ⑦…
• Page 84
  Application planning 5.3 Configuration versions Configuration variant 1 The H-CPUs are each configured in a separate PROFINET ring 1 and 2. Some or all R1 devices are connected to these PROFINET rings via 2 switches. The R1 devices themselves are connected via a line topology.

• Page 85: Configuration Of Profinet Rings With R1 Devices And Switches With Mrp Interconnec

  Application planning 5.3 Configuration versions not limited to the maximum number of 50 devices in a ring when configuring redundant network topologies. ① CPU 1 ② CPU 2 ③ Two fiber-optic cables (redundancy connections) ④ PROFINET cable (PROFINET ring 1) ⑤…

• Page 86
  Application planning 5.3 Configuration versions Advantages/benefits • Redundant data exchange via four or more MRP rings with R1 devices is possible via switches and MRP interconnection. • Communication via the R1 devices connected with MRP interconnection takes place via two separate PROFINET rings. •…

• Page 87: Configuration Of Profinet Rings With R1 Devices And Y-Switch With S2 Devices

  S2/S1 devices at the Y-switches and increases the availability of the network. For more information on DNA redundancy, refer to the SCALANCE XB-200/XC-200/XF-200BA/XP-200/XR-300WG Web Based Management (https://support.industry.siemens.com/cs/ww/en/view/109780061) configuration manual. NOTE Special features of the parameter assignment of the switches and Y-switches For more information, refer to the section Configuring other configuration variants (Page 208).

• Page 88
  Application planning 5.3 Configuration versions S7-1500H configuration with R1 devices and Y-switch in the PROFINET ring ① CPU 1 ② CPU 2 ③ Two fiber-optic cables (redundancy connections) ④ PROFINET cable (PROFINET ring 1) ⑤ PROFINET cable (PROFINET ring 2) ⑥…

• Page 89: Configuration Of Line Topology With R1 Devices

  Application planning 5.3 Configuration versions Configuration of S7-1500H with R1 devices and Y-switches with DNA redundancy in PROFINET ring ① CPU 1 ② CPU 2 ③ Two fiber-optic cables (redundancy connections) ④ PROFINET cable (PROFINET ring 1) ⑤ PROFINET cable (PROFINET ring 2) ⑥…

• Page 90
  Application planning 5.3 Configuration versions Advantages/benefits • Less wiring effort required for a line topology compared to ring topologies. Only one PROFINET line is connected to each of the PROFINET interfaces X1 of the H-CPUs. • A configuration of the MRP rollers is not required. •…
• Page 91
  Application planning 5.3 Configuration versions ① CPU 1 ② CPU 2 ③ Two fiber-optic cables (redundancy connections) ④ PROFINET cable (line topology 1) ⑤ PROFINET cable (line topology 2) ⑥ IO device ET 200SP HA (with system redundancy R1) ⑦ IO device ET 200SP (with system redundancy R1) Figure 5-13  S7-1500H configuration with R1 devices in a line topology Not recommended configuration variant The following configuration variants are not recommended:…

• Page 92: Line Topology Configuration With R1 Devices And Switches

  Application planning 5.3 Configuration versions ① IO device ET 200SP (with system redundancy R1) ② PROFINET line (connection port 1 to port 1 of the interface modules) ③ PROFINET line (line topology via port 2 of the interface modules) Figure 5-14  Not recommended configuration variant 5.3.3.6 Line topology configuration with R1 devices and switches Introduction…

• Page 93: Line Topology Configuration With R1 Devices And Y-Switch With S2 Devices

  Application planning 5.3 Configuration versions Configuration of S7-1500H with R1 devices and switches in a line topology ① CPU 1 ② CPU 2 ③ Two fiber-optic cables (redundancy connections) ④ PROFINET cable (line topology) ⑤ Switch ⑥ PROFINET cable (PROFINET ring 1) ⑦…

• Page 94
  S2/S1 devices at the Y-switches and increases the availability of the network. For more information on DNA redundancy, refer to the SCALANCE XB-200/XC-200/XF-200BA/XP-200/XR-300WG Web Based Management (https://support.industry.siemens.com/cs/ww/en/view/109780061) configuration manual. NOTE Special features of the parameter assignment of the switches and Y-switches For more information, refer to the section Configuring other configuration variants (Page 208).
• Page 95
  Application planning 5.3 Configuration versions Configuration of S7-1500H with R1 devices and Y-switch in a line topology ① CPU 1 ② CPU 2 ③ Two fiber-optic cables (redundancy connections) ④ PROFINET cable (line topology 1) ⑤ PROFINET cable (line topology 2) ⑥…
• Page 96
  Application planning 5.3 Configuration versions Configuration of S7-1500H with R1 devices and Y-switches with DNA redundancy in a line topology S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…
• Page 97
  Application planning 5.3 Configuration versions ① CPU 1 ② CPU 2 ③ Two fiber-optic cables (redundancy connections) ④ PROFINET cable (line topology 1) ⑤ PROFINET cable (line topology 2) ⑥ IO device ET 200SP HA (with system redundancy R1) ⑦ IO device ET 200SP (with system redundancy R1) ⑧…

• Page 98: Configuration Of Combined Topology With S2 Devices

  Application planning 5.3 Configuration versions 5.3.3.8 Configuration of combined topology with S2 devices Introduction The section below shows you the configuration of the S7-1500H redundant system with S2 devices in a combined topology. Advantages/benefits • Within the combined topology, any topology is allowed: –…

• Page 99: Configuration Of Combined Topology With R1 Devices

  Application planning 5.3 Configuration versions S7-1500H configuration with S2 devices and backbone ring ① CPU 1 ② CPU 2 ③ Two fiber-optic cables (redundancy connections) ④ Switch ⑤ Backbone ring (existing combined topology) ⑥ IO device ET 200SP (with system redundancy S2) Figure 5-19  S7-1500H configuration with S2 devices and backbone ring 5.3.3.9 Configuration of combined topology with R1 devices…

• Page 100
  Application planning 5.3 Configuration versions S7-1500H configuration with R1 devices in a combined topology ① CPU 1 ② CPU 2 ③ Two fiber-optic cables (redundancy connections) ④ Combined topology 1 ⑤ Combined topology 2 ⑥ IO device ET 200SP HA (with system redundancy R1) ⑦…

• Page 101: Configuration Without Additional Devices

  Application planning 5.3 Configuration versions Configuration of S7-1500H with R1 devices and backbone rings ① CPU 1 ② CPU 2 ③ Two fiber-optic cables (redundancy connections) ④ Switch ⑤ Backbone ring 1 (existing combined topology) ⑥ Backbone ring 2 (existing combined topology) ⑦…

• Page 102: Redundancy Scenarios

  Application planning 5.4 Redundancy scenarios via Modbus/TCP. You connect the PROFINET lines to the external devices to the PROFINET interfaces X2 of the H-CPUs. Configuration S7-1500H without further devices at the PROFINET interface X1 of the H-CPUs ① CPU 1 ②…

• Page 103: Failure Of The Primary Cpu

  Application planning 5.4 Redundancy scenarios 5.4.2 Failure of the primary CPU Introduction The following redundancy scenario describes the effects of a defective primary CPU using the example of a PROFINET ring. Redundancy scenario ① Primary CPU → failed ② Backup CPU → becomes new primary CPU ③…

• Page 104: Failure Of The Backup Cpu

  Application planning 5.4 Redundancy scenarios 3. The new primary CPU exchanges process data with the IO devices. NOTE Temporary separation of standard IO devices in the event of failure of the primary If the primary CPU fails, the standard IO devices («switched S1 devices») are temporarily separated from the S7-1500R/H redundant system.

• Page 105
  Application planning 5.4 Redundancy scenarios Redundancy scenario ① Primary CPU ② Backup CPU → failed ③ PROFINET cable (redundancy connections, PROFINET ring) ④ IO device ET 200MP ⑤ IO device ET 200SP Figure 5-25  Failure of the backup CPU (using S7-1500R as an example) Sequence of events 1.

• Page 106: Failure Of The Profinet Cable In The Profinet Ring

  Application planning 5.4 Redundancy scenarios Diagnostics System state, operating states and error displays after primary-backup switchover: • Redundant system → RUN-Solo system state • Primary CPU → RUN operating state – MAINT LED → yellow light: The R/H system is not in the RUN-Redundant system state. No partner CPU has been found in the redundant system.

• Page 107
  Application planning 5.4 Redundancy scenarios ① Primary CPU ② Backup CPU ③ PROFINET cable (redundancy connections, PROFINET ring) → interrupted ④ IO device ET 200MP ⑤ IO device ET 200SP Figure 5-26  Failure of a PROFINET cable in the PROFINET ring (using S7-1500R as an example) Sequence of events 1.

• Page 108: Specific Redundancy Scenarios For S7-1500H

  Application planning 5.4 Redundancy scenarios Diagnostics System state, operating states and error displays after the failure of the PROFINET cable: • Redundant system → RUN-Redundant system state • Primary CPU/Backup CPU → RUN-Redundant operating state – MAINT LED → yellow light: The PROFINET ring is open. There is only one redundancy connection remaining in the redundant system.

• Page 109
  Application planning 5.4 Redundancy scenarios Redundancy scenario ① Primary CPU ② Backup CPU ③ One fiber-optic cable (redundancy connection) → interrupted ④ IO device ET 200SP ⑤ IO device ET 200MP ⑥ PROFINET cable (PROFINET ring) Figure 5-27  Failure of a redundancy connection Sequence of events 1.

• Page 110: Failure Of Both Redundancy Connections In S7-1500H > 55 Ms Apart

  Application planning 5.4 Redundancy scenarios Diagnostics System state, operating states and error displays after the failure of a redundancy connection: • Redundant system → RUN-Redundant system state • Primary CPU/Backup CPU → RUN-Redundant operating state – MAINT LED → yellow light: There is only one redundancy connection remaining in the H system.

• Page 111
  Application planning 5.4 Redundancy scenarios Redundancy scenario ① Primary CPU (S7-1500H) ② Backup CPU (S7-1500H) ③ Two fiber-optic cables (redundancy connections) → interrupted ④ IO device ET 200MP ⑤ IO device ET 200SP ⑥ PROFINET cable (PROFINET ring) Figure 5-28  Failure of both redundancy connections (> 55 ms apart) Sequence of events 1.

• Page 112: Failure Of Both Redundancy Connections And The Profinet Cable In The Profinet Ring

  Application planning 5.4 Redundancy scenarios Diagnostics System state, operating states and error displays after the failure of both redundancy connections: • Redundant system → RUN-Solo system state • Primary CPU → RUN operating state – MAINT LED → yellow light: The H-system is not in the RUN-Redundant system state. No partner CPU has been found in the H-system.

• Page 113
  Application planning 5.4 Redundancy scenarios Redundancy scenario ① Primary CPU ② Backup CPU ③ Two fiber-optic cables (redundancy connections) → interrupted ④ IO device ET 200SP ⑤ IO device ET 200MP ⑥ PROFINET cable (PROFINET ring) ⑦ PROFINET cable (PROFINET ring) → interrupted Figure 5-29  Failure of both redundancy connections and a PROFINET cable in the PROFINET ring Sequence of events 1.

• Page 114: Failure Of The Two Profinet Cables In The Profinet Ring On The Backup Cpu

  Application planning 5.4 Redundancy scenarios Diagnostics System state, operating states and error displays after the failure of the redundancy connections and PROFINET cable: • Redundant system → RUN-Solo system state • Primary CPU → RUN operating state – MAINT LED → yellow light: The H-system is not in the RUN-Redundant system state. No partner CPU has been found in the H-system.

• Page 115
  Application planning 5.4 Redundancy scenarios Redundancy scenario ① Primary CPU ② Backup CPU ③ Two fiber-optic cables (redundancy connections) ④ IO device ET 200SP ⑤ IO device ET 200MP ⑥ PROFINET cables (PROFINET ring) → interrupted Figure 5-30  Failure of the two PROFINET cables in the PROFINET ring on the backup CPU Sequence of events 1.

• Page 116: Failure Of An Interface Module In An R1 Device In A Profinet Ring

  Application planning 5.4 Redundancy scenarios Diagnostics System state, operating states and error displays after the failure of both PROFINET cables on the backup CPU: • Redundant system → RUN-Redundant system state • Primary CPU/Backup CPU → RUN-Redundant operating state – MAINT LED → yellow light: The PROFINET ring is open. No backup AR. NOTE To get detailed diagnostics information, evaluate the diagnostics buffer.

• Page 117
  Application planning 5.4 Redundancy scenarios Redundancy scenario ① Primary CPU ② Backup CPU ③ Two fiber-optic cables (redundancy connections) ④ PROFINET cables (PROFINET ring 1) ⑤ PROFINET cables (PROFINET ring 2) ⑥ IO device ET 200SP HA ⑦ ET 200SP HA interface module → failed ⑧…

• Page 118: Failure Of The Two Profinet Lines In Profinet Ring 1 At The Primary Cpu With R1

  For a complete evaluation of diagnostic information, you must also look at the STEP 7 online diagnostics and evaluate the diagnostics buffer. You can find more information in the Diagnostics (https://support.industry.siemens.com/cs/ww/en/view/59192926) function manual. Solution Replace the defective interface module of the R1 device. You can find additional information on the procedure in the section Replacing defective I/O devices/switches (Page 329).

• Page 119
  Application planning 5.4 Redundancy scenarios Failure scenario ① Primary CPU ② Backup CPU ③ Two fiber-optic cables (redundancy connections) ④ PROFINET cable (PROFINET ring 1) ⑤ PROFINET cable (PROFINET ring 2) ⑥ PROFINET lines → interrupted ⑦ IO device ET 200SP HA ⑧…

• Page 120: Failure Of Both Profinet Lines Between Two R1 Devices In A Line Topology

  Application planning 5.4 Redundancy scenarios Diagnostics System state, operating states and error displays after the failure of both PROFINET cables: • Redundant system → RUN-Redundant system state • Primary CPU/Backup CPU → RUN-Redundant operating state – MAINT LED → yellow light: The PROFINET ring 1 is open. No backup AR. NOTE To get detailed diagnostics information, evaluate the diagnostics buffer.

• Page 121
  Application planning 5.4 Redundancy scenarios Redundancy scenario ① Primary CPU (S7-1500H) ② Backup CPU (S7-1500H) ③ Two fiber-optic cables (redundancy connections) ④ PROFINET cable (line topology 1) ⑤ PROFINET cable (line topology 2) ⑥ IO device ET 200SP HA ⑦ PROFINET lines → interrupted ⑧…

• Page 122: Failure Of A Profinet Line Between Two S2 Devices In A Line Topology

  Application planning 5.4 Redundancy scenarios Sequence of events 1. Both PROFINET lines between the R1 devices fail. 2. The redundant system will remain in the RUN-Redundant system state: The primary and backup CPUs remain in the RUN-Redundant operating state. The roles of the primary and backup CPUs do not change.

• Page 123
  Application planning 5.4 Redundancy scenarios Redundancy scenario ① Primary CPU ② Backup CPU ③ Two fiber-optic cables (redundancy connections) ④ PROFINET cable (line topology) ⑤ IO device ET 200MP ⑥ IO device ET 200SP ⑦ PROFINET line (line topology) → interrupted Figure 5-34  Failure of a PROFINET line between two S2 devices in a line topology Sequence of events 1.

• Page 124: Failure Scenarios

  Application planning 5.5 Failure scenarios Diagnostics System state, operating states and error displays after the failure of the PROFINET cable: • Redundant system → RUN-Redundant system state • Primary CPU/Backup CPU → RUN-Redundant operating state – MAINT LED → yellow light: No backup AR. NOTE To get detailed diagnostics information, evaluate the diagnostics buffer.

• Page 125
  Application planning 5.5 Failure scenarios Failure scenario ① Primary CPU ② Backup CPU ③ PROFINET cable (redundancy connections, PROFINET ring) ④ IO device ET 200MP ⑤ IO device ET 200SP → failed Figure 5-36  Failure of an IO device in the PROFINET ring (using S7-1500R as an example) Sequence of events 1.

• Page 126: Failure Of A Switch (With Additional Line Topology) In The Profinet Ring

  Application planning 5.5 Failure scenarios Diagnostics System state, operating states and error displays after the failure of an IO device: • Redundant system → RUN-Redundant system state • Primary CPU/Backup CPU → RUN-Redundant operating state – MAINT LED: → yellow light: The PROFINET ring is open. Singular redundancy connection available.

• Page 127
  Application planning 5.5 Failure scenarios Failure scenario ① Primary CPU ② Backup CPU ③ PROFINET cable (redundancy connections, PROFINET ring) ④ IO device ET 200MP ⑤ IO device ET 200SP ⑥ Switch → failed ⑦ IO device ET 200SP ⑧ HMI device Figure 5-37  Failure of a switch in the PROFINET ring (using S7-1500R as an example) Sequence of events…

• Page 128: Specific Failure Scenarios With S7-1500R

  Application planning 5.5 Failure scenarios Diagnostics System state, operating states and error displays after the failure of a switch: • Redundant system → RUN-Redundant system state • Primary CPU/Backup CPU → RUN-Redundant operating state – MAINT LED → yellow light: The PROFINET ring is open. –…

• Page 129
  Application planning 5.5 Failure scenarios Failure scenario ① Primary CPU ② Backup CPU ③ PROFINET ring → interrupted at two points ④ IO device ET 200MP ⑤ IO device ET 200SP Figure 5-38  Two cable interruptions in the PROFINET ring (> 1500 ms apart) Sequence of events 1.

• Page 130: Two Cable Interruptions In The Profinet Ring In S7-1500R Within ≤ 1500 Ms

  Application planning 5.5 Failure scenarios Diagnostics System state, operating states and error displays after the cable interruptions: • Redundant system → RUN-Solo system state • Primary CPU → RUN operating state – MAINT LED → yellow light: The R-system is not in the RUN-Redundant system state. No partner CPU has been found in the R-system.

• Page 131
  Application planning 5.5 Failure scenarios ① Primary CPU ② Backup CPU ③ PROFINET ring → interrupted a 2 locations ④ IO device ET 200MP ⑤ IO device ET 200SP Figure 5-39  2 cable interruptions in the PROFINET ring (within ≤ 1500 ms) Sequence of events 1.

• Page 132: Failure Of The Primary Cpu When Io Devices Have Failed In The Profinet Ring

  Application planning 5.5 Failure scenarios Diagnostics System state and operating states after cable interruptions: • Redundant system → System state defective (undefined: Each R-CPU is in the RUN-Solo system state). • Primary CPU → RUN operating state – MAINT LED → yellow light: The R-system is not in the RUN-Redundant system state. No partner CPU has been found in the R-system.

• Page 133
  Application planning 5.5 Failure scenarios Failure scenario ① Primary CPU → failed (2nd failure in sequence of events) ② Backup CPU → switches to STOP operating state ③ PROFINET cable (redundancy connections, PROFINET ring) ④ IO device ET 200MP ⑤ IO device ET 200SP →…

• Page 134: Specific Failure Scenarios With S7-1500H

  Application planning 5.5 Failure scenarios Diagnostics System state, operating states and error displays after the failure of the IO device in the PROFINET-Ring and the STOP of Backup CPU: • Redundant system → STOP system state • Primary CPU → failed •…

• Page 135
  Application planning 5.5 Failure scenarios Failure scenario ① Primary CPU ② Backup CPU ③ Two fiber-optic cables (redundancy connections) → interrupted ④ IO device ET 200SP ⑤ IO device ET 200MP ⑥ PROFINET cable (PROFINET ring) Figure 5-41  Failure of both redundancy connections Sequence of events 1.
• Page 136
  Application planning 5.5 Failure scenarios 4. The redundancy of the system is defective. The redundant system is in an undefined system state. The undefined system state can lead to dangerous states in the process. WARNING Undefined system state of the S7‑1500H redundant system with simultaneous interruption of the two redundancy connections ≤ 55 ms apart.

• Page 137: Failure Of One Redundancy Connection And The Primary Cpu In S7-1500H

  Application planning 5.5 Failure scenarios 5.5.4.2 Failure of one redundancy connection and the primary CPU in S7-1500H Introduction The following failure scenario describes the effects of a defect in a redundancy connection and the primary CPU in S7-1500H using a PROFINET ring as example. In this failure scenario, the time between the failure of the redundancy connection failure and of the primary CPU is > 55 ms.

• Page 138: Failure Of The Two Profinet Cables In The Profinet Ring At The Primary Cpu

  Application planning 5.5 Failure scenarios 3. The primary CPU also fails. Due to the failure, the primary CPU is no longer visible for the backup CPU. 4. The redundant system does not switch to the backup CPU, but switches to the STOP system state.

• Page 139
  Application planning 5.5 Failure scenarios Failure scenario ① Primary CPU ② Backup CPU ③ Two fiber-optic cables (redundancy connections) ④ IO device ET 200SP ⑤ IO device ET 200MP ⑥ PROFINET cables (PROFINET ring) → interrupted Figure 5-43  Failure of both PROFINET cables in the PROFINET ring at the primary CPU Sequence of events 1.

• Page 140: Failure Of The Redundant System Through Safe State Of The Hf-Cpus

  F-functionality (CPU 1518HF-4 PN). There are also IO devices with fail-safe modules in the PROFINET ring. You can find more information on data corruption in the safety program in the SIMAT­ IC Safety – Configuring and Programming (https://support.industry.siemens.com/cs/ww/en/view/54110126) programming and operating manual. S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 141
  Application planning 5.5 Failure scenarios Failure scenario ① Primary CPU (CPU 1518HF-4 PN) → Data corruption in the safety program due to incorrect pro­ gramming ② Backup CPU (CPU 1518HF-4 PN) ③ Two fiber-optic cables (redundancy connections) ④ IO device ET 200SP ⑤…

• Page 142: Failure Of An Interface Module In An R1 Device And Of The Profinet Lines In Two Places

  Application planning 5.5 Failure scenarios Diagnostics System state, operating states and error displays after failure: • Redundant system → STOP system state • Primary CPU/Backup CPU → STOP operating state – MAINT LED → yellow light: The H-system is not in the RUN-Redundant system state NOTE To get detailed diagnostics information, evaluate the diagnostics buffer.

• Page 143: Of A Profinet Ring

  Application planning 5.5 Failure scenarios ① Primary CPU ② Backup CPU ③ Two fiber-optic cables (redundancy connections) ④ PROFINET cable (PROFINET ring 1) ⑤ PROFINET cable (PROFINET ring 2) ⑥ PROFINET line → interrupted (2nd defect) ⑦ IO device ET 200SP HA ⑧…

• Page 144: Failure Of The Primary Cpu In Profinet Rings With R1, S2 And S1 Devices

  Application planning 5.5 Failure scenarios 6. The redundant system will remain in the RUN-Redundant system state: The primary and backup CPUs remain in the RUN-Redundant operating state. 7. The failure of the second PROFINET line to the backup CPU has an impact on the process, since the redundant system no longer reaches the upper R device.

• Page 145
  Application planning 5.5 Failure scenarios Failure scenario ① Primary CPU → failed ② Backup CPU → becomes new primary CPU ③ Two fiber-optic cables (redundancy connections) ④ PROFINET cable (PROFINET ring 1) ⑤ PROFINET cable (PROFINET ring 2) ⑥ IO device ET 200SP HA (R1 device) ⑦…

• Page 146: Failure Of Profinet Lines In Two Places In A Line Topology With S2 Devices

  Application planning 5.5 Failure scenarios 4. The S1 devices in PROFINET ring 1 are no longer accessible by the new primary CPU. The S1 devices return to the substitute values. 5. The failure of the primary CPU affects the process, since the S1 devices in the PROFINET ring 1 can no longer be accessed from the primary CPU.

• Page 147
  Application planning 5.5 Failure scenarios Failure scenario ① Primary CPU ② Backup CPU ③ Two fiber-optic cables (redundancy connections) ④ PROFINET lines (line topology) ⑤ IO device ET 200MP ⑥ IO device ET 200SP ⑦ PROFINET line→ interrupted (1st defect) ⑧…

• Page 148: Hardware Configuration

  Application planning 5.6 Hardware configuration Diagnostics System state, operating states and error displays after the failure of both PROFINET cables: • Redundant system → RUN-Redundant system state • Primary CPU/Backup CPU → RUN-Redundant operating state – MAINT LED → yellow light: No backup AR. –…

• Page 149: Using Hmi Devices

  Application planning 5.7 Using HMI devices ① Optional load current supply and first R/H-CPU ② Optional load current supply and second R/H-CPU Figure 5-48  Assignment of slot numbers Maximum number of PROFINET devices, IO devices in the redundant system The table below shows the maximum number of PROFINET devices, IO devices in the redundant system.

• Page 150
  Application planning 5.7 Using HMI devices If you use HMI devices in the PROFINET ring with S7-1500H, those HMI devices must support media redundancy. You transfer the HMI configuration to your HMI device using the configuration and programming software (Engineering Station). You can connect the HMI device to the redundant system with the system IP address.
• Page 151
  Application planning 5.7 Using HMI devices To connect an HMI device to the CPUs over Industrial Ethernet, you use the X2/X3 PROFINET interfaces of the CPU. PROFINET interface X2/X3 supports PROFINET basic functionality. The interface, for example, is suitable for communication with an HMI device or configuration and programming software (Engineering Station).
• Page 152
  Reference You can find more information on the system IP address in the section Configuration process and in the Communication (https://support.industry.siemens.com/cs/ww/en/view/59192925) function manual. More information on how to set up an HMI connection to the S7-1500R/H redundant system is available in the Communication (https://support.industry.siemens.com/cs/ww/en/view/59192925) function manual.

• Page 153: Installation

  Installation Basics Installation site All modules of the S7‑1500R/H redundant system are unenclosed equipment. You may only install unenclosed equipment in housings, cabinets or electrical operating rooms indoors. The housings, cabinets and electrical operating rooms must guarantee protection against electric shock and spread of fire.

• Page 154
  Installation 6.1 Basics The mounting rails are available in various lengths. You order the mounting rails using the online catalog or the online ordering system. The available lengths and article numbers can be found in the appendix Accessories/spare parts (Page 369). Minimum clearances Modules can be mounted right to the outer edge of the mounting rail.

• Page 155: Installing The Mounting Rail

  Installation 6.2 Installing the mounting rail Installing the mounting rail Introduction The R/H-CPUs should be mounted either on one mounting rail or on two separate mounting rails. Lengths and drill holes The mounting rails are delivered in six lengths: • 160 mm •…

• Page 156
  Installation 6.2 Installing the mounting rail For … use … Explanation • Additional fixing screws (for mount­ M6 hexagon head screws according to You also need washers for cylinder head ing rails > 482.6 mm) ISO 4017 (DIN 4017) screws with an internal diameter of 6.4 mm and an external diameter of 11 mm in accordance with ISO 7092 (DIN 433).
• Page 157
  Installation 6.2 Installing the mounting rail Preparing the 2000 mm mounting rail for installation Proceed as follows to prepare the 2000 mm mounting rail for installation: 1. Cut the 2000 mm mounting rail to the required length. 2. Mark the holes. The necessary dimensions can be found in the table «Dimensions for the drill holes»: –…
• Page 158
  Installation 6.2 Installing the mounting rail 3. Insert the spacer, ring terminal with the grounding connector, flat washer, and lock washer onto the bolt (in that order). Thread on the hexagon nut. Fasten the components in place with the nut (torque 4 Nm). 4.

• Page 159: Installing The Standard Rail Adapter

  Installation 6.3 Installing the standard rail adapter Installing the standard rail adapter Introduction Use the standard rail adapter to mount the redundant SIMATIC S7-1500R/H-system on the standardized 35 mm rails. You order the DIN rail adapter as separate accessories. NOTE Note the following reduced technical specifications regarding mechanical load when you install the S7-1500R/H modules on the 35 mm standard mounting rail using the standard mounting rail adapter: Vibration test acc.

• Page 160
  Installation 6.3 Installing the standard rail adapter View The DIN rail adapter consists of a clamp, an adapter frame and a hexagon socket-head screw with washer. ① Clamp ② Adapter frame ③ Hexagon socket-head screw ④ Washer Figure 6-4  Parts of the DIN rail adapter S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…
• Page 161
  Installation 6.3 Installing the standard rail adapter Dimensional drawing ① Position of the adapter frame during mounting to the standard DIN rail 35 mm x 7.5 mm ② Position of the adapter frame during mounting to the standard DIN rail 35 mm x 15 mm Figure 6-5  Dimensional drawing Tools required Wrench matching the hexagon socket head cap screw M6 according to EN ISO 4762 (DIN 912).
• Page 162
  Installation 6.3 Installing the standard rail adapter ● To ensure optimal stability, the clearance between the two DIN rail adapters must be no more than 250 mm or less. Figure 6-6  Distance between two DIN rail adapters NOTE Note that, depending on the mounting rail width, the mounting rail adapter can protrude up to 4 mm on each side due to the drill holes.
• Page 163
  Installation 6.3 Installing the standard rail adapter Figure 6-7  DIN rail adapter protrusion Procedure Mounting on the standard DIN rail 35 mm x 7.5 mm To install DIN rail adapter on the standard DIN rail 35 mm x 7.5 mm, follow these steps: 1. Set the clamp onto the standard DIN rail. 2.
• Page 164
  Installation 6.3 Installing the standard rail adapter Figure 6-8  Mounting sequence of the DIN rail adapter to the DIN rail 35 mm x 7.5 mm or 35 mm x 15 mm Mounting to the standard DIN rail 35 mm x 15 mm To install DIN rail adapter on the standard DIN rail 35 mm x 15 mm, follow these steps: 1.

• Page 165: Installing A Load Current Supply

  Tools required Slotted-head screwdriver with 4.5 mm blade Installing a load current supply Watch the video sequence (https://support.industry.siemens.com/cs/ww/en/view/78027451) To install a load current supply, follow these steps: 1. Hook the load current supply on the mounting rail. 2. Swivel the load current supply to the rear.

• Page 166: Installing R/H-Cpus

  Installation 6.5 Installing R/H-CPUs For a description on how to wire the power cable connector, refer to the section Connecting load current supply (Page 177). NOTE Load current supplies can only be mounted on the left or right side outside the S7-1500R/H redundant system.

• Page 167
  Tools required Slotted-head screwdriver with 4.5 mm blade Installing R/H-CPUs Watch the video sequence (https://support.industry.siemens.com/cs/ww/en/view/78027451) Proceed as follows to install an R/H-CPU: 1. Install the CPU to the mounting rail. Only with optional load current supply: Move the CPU to the load current supply on the left.
• Page 168
  Installation 6.5 Installing R/H-CPUs Device damage caused by electrical fields or electrostatic discharge Electrostatic sensitive devices (ESD) are individual components, integrated circuits, modules or devices that can be damaged by electrostatic fields or electrostatic discharge. NOTICE Device damage caused by electrical fields or electrostatic discharge Electrical fields or electrostatic discharge can cause function failures that result from damaged individual components, integrated circuits, modules or devices.

• Page 169: Wiring

  Wiring Rules and regulations for operation Introduction The S7‑1500R/H redundant system is a plant and system component. Special rules and regulations must be adhered to in line with the area of application. This section gives an overview of the key rules for integration of the redundant system into a plant or system.

• Page 170
  Suitable components for the lightning and overvoltage protection are specified in the Defining interference-free controllers (https://support.industry.siemens.com/cs/ww/en/view/59193566) function manual. Requirements for power supplies in the event of voltage interruption NOTE To ensure adherence to IEC 61131-2, only use power packs/power supply units (e.g.

• Page 171: Operation On Grounded Infeed

  Reference Additional information can be found in the function manual, Designing interference-free con­ trollers (https://support.industry.siemens.com/cs/ww/en/view/59193566). Operation on grounded infeed Introduction Information is provided below on the overall configuration of an S7-1500R/H redundant system on a grounded incoming supply (TN-S network).

• Page 172
  Wiring 7.2 Operation on grounded infeed not connected to the protective conductor. In accordance with IEC 61131-2 / IEC 61010-2-201, this protection is referred to as SELV (Safety Extra Low Voltage). The wiring of SELV circuits must be safely separated from the wiring of other circuits that are not SELV, or the insulation of all conductors must be dimensioned for the higher voltage.
• Page 173
  Wiring 7.2 Operation on grounded infeed Overall configuration of S7‑1500R/H The figure below shows the overall configuration of the S7-1500R/H redundant system (load current supply and grounding concept) with supply from a TN-S network. ① Main switch ② Short-circuit and overload protection Figure 7-1  Operating the S7‑1500R/H with grounded reference potential NOTE If you connect the S7-1500R/H redundant system via upstream local power supplies to your…

• Page 174: Electrical Configuration

  Wiring 7.4 Wiring rules Electrical configuration Galvanic isolation In the redundant System S7-1500R/H, there is electrical isolation between: • The communication interfaces (PROFINET) of the R-CPU and all other circuit components • The communication interfaces (PROFINET) of the H-CPU and all other circuit components High-frequency interference currents are conducted and electrostatic charges are avoided through integrated RC combinations or integrated capacitors.

• Page 175
  Wiring 7.4 Wiring rules R/H CPUs and load current supply Table 7-2  Wiring rules for R/H-CPUs and load current supply Wiring rules for … R/H-CPU Load current supply Permitted cable cross-sections of solid cables (Cu) Permitted cable cross-sec­ Without wire-end fer­ 0.25 to 2.5 mm 0.5 to 2.5 mm tions of flexible cables (Cu)

• Page 176: Connecting The Supply Voltage

  Wiring 7.5 Connecting the supply voltage Connecting the supply voltage Introduction The supply voltage is supplied over a 4-pin connector at the front of or bottom of the R/H- CPU. Connection for supply voltage (X80) The connections of the 4-pole connector have the following meaning: ①…

• Page 177: Connecting The Load Current Supply

  3 to 3.5 mm screwdriver Connecting the supply voltage to a load current supply Watch the video sequence (https://support.industry.siemens.com/cs/ww/en/view/78027451) To connect the supply voltage, follow these steps: 1. Swing the front cover of the module up until the front cover latches.

• Page 178: Connecting The Cpu To The Load Power Supply

  Wiring 7.7 Connecting the CPU to the load power supply 4. Pry off the connector cover using a suitable tool (Figure 3). Figure 7-4  Connecting the supply voltage to a load current supply (1) 5. Strip the cable sheathing to a length of 35 mm. Strip the wires to a length of 7 to 8 mm. Attach the end sleeves.

• Page 179
  3 to 3.5 mm screwdriver Connecting the CPU to a load current supply Watch the video sequence (https://support.industry.siemens.com/cs/ww/en/view/78027451) To connect the cables for the supply voltage, follow these steps: 1. Open the front cover of the load current supply. Pull the 24 V DC output terminal down and off.

• Page 180: Connecting Interfaces For Communication With S7-1500R

  Wiring 7.8 Connecting interfaces for communication with S7-1500R 3. Connect the load current supply to the CPU. Figure    NOTE Connection on the underside of the device The connection socket for the 4-pole connection plug is located on the underside of the device: –…

• Page 181
  Wiring 7.8 Connecting interfaces for communication with S7-1500R Requirements • One of the two connections of the PROFINET ring between the two R-CPUs must not contain any other IO devices, switches or other PROFINET devices apart from transparent media converters. •…

• Page 182: Connecting Interfaces For Communication With S7-1500H

  Wiring 7.9 Connecting interfaces for communication with S7-1500H 3. Plug the PROFINET cable RJ45 connectors into the RJ45 sockets at PROFINET interfaces X1 P1R on the two R-CPUs. Connect the other PROFINET devices in the PROFINET ring. Figure 7-7  PROFINET interface X1 P1R: 4.

• Page 183: Connecting Redundancy Connections (Fiber-Optic Cables)

  40 km (minimum length: 8 km) 6ES7960-1FE00-0AA5 7.9.1.2 Selecting fiber-optic cables Introduction You can find an overview of fiber-optic cables, the necessary conditions and technical specifications in the system manual Industrial Ethernet/PROFINET Passive network compon­ ents (https://support.industry.siemens.com/cs/ww/en/view/84922825). S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 184
  Wiring 7.9 Connecting interfaces for communication with S7-1500H Rules Observe the following rules: • If you use fiber-optic cables, ensure sufficient strain relief at the synchronization modules. • Comply with the technical specifications for the fiber-optic cables used (attenuation, bandwidth). Cables up to 10 m Use the synchronization module 6ES7960–1CB00–0AA5 in pairs with fiber-optic cables up to 10 m.
• Page 185
  Wiring 7.9 Connecting interfaces for communication with S7-1500H Cabling Necessary components Specifications • No cable junction Installation cable for indoor 4-core multicore cables for the redundant system (connector type between indoors and LC-LC, cores crossed): outdoors. 1 cable with 4 cores for the redundant system: •…

• Page 186: Installing Fiber-Optic Cables

  Wiring 7.9 Connecting interfaces for communication with S7-1500H ① H-CPU ② Installation cable for outdoor use ③ Distribution box (patch field) ④ Splicing of the fiber-optic cables ⑤ Patch cable for indoors Figure 7-9  Installation through distribution boxes (patch fields) 7.9.1.3 Installing fiber-optic cables Introduction Fiber-optic cables may only be laid by trained specialist personnel.

• Page 187: Connecting Redundancy Connections (Fiber-Optic Cables) To S7-1500H

  ≤ 1500 ms apart (R-system) or ≤ 55 ms apart (H-system) unlikely. Reference Observe the installation notes for fiber-optic cables in the system manual Industrial Ether­ net/PROFINET Passive network components (https://support.industry.siemens.com/cs/ww/en/view/84922825). 7.9.1.4 Connecting redundancy connections (fiber-optic cables) to S7-1500H Introduction Make the redundancy connections (fiber-optic cables) between the two H-CPUs using the sockets on the synchronization modules.

• Page 188
  – For sync module 1 GB FO 10 m: 1 m, 2 m, 10 m – For sync module 1 GB FO 10 km: Additional information on fiber-optic cables in longer versions can be found in the Industry Mall (https://mall.industry.siemens.com). – For sync module 1 GB FO 40 km: Additional information on fiber-optic cables in longer versions can be found in the Industry Mall (https://mall.industry.siemens.com).
• Page 189
  Wiring 7.9 Connecting interfaces for communication with S7-1500H Figure 7-10  Class 1 laser products Inserting synchronization modules and connecting fiber-optic cables To insert the synchronization modules and connect the fiber-optic cables, follow these steps: 1. Remove the blanking plugs from the synchronization modules. 2.
• Page 190
  Wiring 7.9 Connecting interfaces for communication with S7-1500H 4. Repeat steps 1 to 3 for the second H-CPU. Figure 7-12  Connecting redundancy connections (fiber-optic cables) to S7-1500H Uninstalling a synchronization submodule To uninstall the synchronization modules, follow these steps: 1. Press down lightly on the connector release and hold while pulling the connector out of the synchronization module.

• Page 191: Connecting The Profinet Ring To S7-1500H

  Wiring 7.9 Connecting interfaces for communication with S7-1500H 7.9.2 Connecting the PROFINET ring to S7-1500H Introduction You connect the PROFINET ring via the RJ45 sockets of the PROFINET interfaces X1 P1R and X1 P2R. Accessories required PROFINET cable for the PROFINET ring Connecting PROFINET ring with S2 devices Plug the RJ45 connectors of the PROFINET cable of the PROFINET ring respectively into the RJ45 sockets of the PROFINET interfaces X1 P1R/X1 P2R of the two H-CPUs.

• Page 192
  Wiring 7.9 Connecting interfaces for communication with S7-1500H Figure 7-13  Connecting PROFINET ring with S2 devices S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 193: Connecting Line Topology To S7-1500H

  Wiring 7.9 Connecting interfaces for communication with S7-1500H Connecting PROFINET rings with R1 devices Plug the RJ45 connectors of the left PROFINET ring (PROFINET ring 1 with left interface modules) into the RJ45 sockets of the PROFINET interfaces X1 P1R/X1 P2R of the H-CPU with redundancy ID 1.

• Page 194
  Wiring 7.9 Connecting interfaces for communication with S7-1500H Accessories required PROFINET cable for line topology Connecting line topology with S2 devices Plug the RJ45 connectors of the PROFINET cable of the line topology into each of the RJ45 sockets of the PROFINET interfaces X1 P1R of the two H-CPUs. Figure 7-15  Connect line topology with S2 devices to S7-1500H S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…
• Page 195
  Wiring 7.9 Connecting interfaces for communication with S7-1500H Connecting line topology with R1 devices Connect the devices of the line topology with the PROFINET cables as shown in the following figure: ① H-CPU with redundancy ID 1 ② H-CPU with redundancy ID 2 Figure 7-16  Connect line topology with R1 devices to S7-1500H S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 196: Configuration

  Configuration Requirements Hardware and software requirements You will find the hardware and software requirements for operating S7-1500R/H redundant systems in the section Requirements (Page 72). NOTE Consistency check If you configure the STEP 7 project as topology, the consistency is then checked by STEP 7. An incorrect configuration is indicated by error messages.

• Page 197
  Configuration 8.2 Configuring R/H CPUs Result: STEP 7 automatically creates both 1515R-2 PN CPUs for the redundant system. STEP 7 displays both CPUs in the network view graphically. NOTE Deleting CPUs from the hardware configuration You can only delete the two CPUs as a pair. Figure 8-1  Display of CPUs in the network view 1.
• Page 198
  Configuration 8.2 Configuring R/H CPUs Redundancy IDs In the STEP 7 project tree, each of the two CPUs is displayed with its own tree in the redundant system: Figure 8-3  Redundant system in the project tree Each CPU of the redundant system has a redundancy ID. The redundancy ID is used to assign a project tree in STEP 7 to the real CPU.
• Page 199
  You can find more information on the cycle time and recommendations for parameterization of the maximum cycle time and the minimum cycle time in the Cycle and response times function manual (https://support.industry.siemens.com/cs/at/fr/view/59193558). You can find information on system states in the section Operating and system states (Page 263).

• Page 200: Basic Procedure For Configuring The Io Devices And The Mrp Roles

  Configuration 8.3 Basic procedure for configuring the IO devices and the MRP roles Basic procedure for configuring the IO devices and the MRP roles Introduction The configuration of the IO devices in a S7-1500R/H redundant system is basically the same for S7-1500R and S7-1500H.

• Page 201
  Configuration 8.3 Basic procedure for configuring the IO devices and the MRP roles Result: The IO devices are connected to the redundant S7‑1500R/H system. «Multiple assignment» is displayed for the IO devices. Figure 8-5  IO devices assigned in the network view with system redundancy NOTE If you have configured modules for the IO devices and compile the project, you receive an error message for the watchdog timer in the Inspector window.
• Page 202
  Configuration 8.3 Basic procedure for configuring the IO devices and the MRP roles If necessary you have to change the MRP role of the CPUs. To do so, proceed as follows: 1. In the network view of STEP 7, select PROFINET interface X1 of one of the two CPUs of the redundant system.

• Page 203: Configuring H-Cpus With Profinet Rings And R1 Devices

  Reference You can find information on the PROFINET topologies of S7-1500R/H redundant systems in the PROFINET Function Manual. (https://support.industry.siemens.com/cs/ww/en/view/49948856) Configuring H-CPUs with PROFINET rings and R1 devices Introduction The section below guides you step by step through the configuration of PROFINET rings with R1 devices for an S7-1500H redundant system.

• Page 204
  Configuration 8.4 Configuring H-CPUs with PROFINET rings and R1 devices Requirements The configuration detailed assumes that: • You have configured the H-CPUs. For more information, refer to the section Configuring R/H CPUs (Page 196). 1. Creating additional MRP domains With an R1 device, communication takes place via two separate PROFINET rings. To do this, you must create another MRP domain in STEP 7.
• Page 205
  Configuration 8.4 Configuring H-CPUs with PROFINET rings and R1 devices 2. Creating R1 devices In the example, you add two R1 devices with system redundancy R1 to the H-CPUs. To do so, proceed as follows: 1. Switch to the network view. 2.
• Page 206
  Configuration 8.4 Configuring H-CPUs with PROFINET rings and R1 devices 4. Switch to the device view of the ET200SP-R1_1 station and set the watchdog timer for both interface modules. To do this, navigate in the Inspector window to «Properties > PROFINET interface [X1] >…
• Page 207
  Configuration 8.4 Configuring H-CPUs with PROFINET rings and R1 devices 3. In the Inspector window, navigate to «Properties > General > Advanced options > Media redundancy». 4. Change the MRP domain to «mrpdomain-1» (if required) and the media redundancy role for the H-CPU to «Manager (auto)».

• Page 208: Configuring Other Configuration Variants

  Set the MRP role «Client» for devices of the PROFINET rings that are not in STEP 7. Reference You can find information on the PROFINET topologies of S7-1500R/H redundant systems in the PROFINET Function Manual. (https://support.industry.siemens.com/cs/ww/en/view/49948856) Configuring other configuration variants Introduction In this section you will find information on configuring other configuration variants of the S7-500H redundant system.

• Page 209: Display Of The Io Device Assignments In Step 7

  For more information on DNA redundancy and the parameter assignment of the lower-level PROFINET ring on the Y-switch, refer to the SCALANCE XB-200/XC-200/XF-200BA/XP-200/XR-300WG Web Based Management (https://support.industry.siemens.com/cs/ww/en/view/109780061) configuration manual. NOTE Special features when configuring the PROFINET interfaces When using S2/S1 devices downstream of a Y switch, all IP addresses must be in the same subnet.

• Page 210
  Configuration 8.6 Display of the IO device assignments in STEP 7 The table contains all assignments of IO devices to the PROFINET interfaces of the redundant S7-1500R/H system. The «Operating mode» column indicates how the IO device is connected to the S7-1500R/H redundant system: •…

• Page 211: Project Tree

  If you change the hardware configuration afterwards, you have to recompile the project. After the compile STEP 7 shows valid values again. For more information, refer to the following entry on the Internet (https://support.industry.siemens.com/cs/ww/en/view/93839056) and in the SIMATIC Safety — Configuring and Programming (https://support.industry.siemens.com/cs/ww/en/view/54110126) programming and operating manual.

• Page 212: Parameters

  Configuration 8.9 Process images and process image partitions The CPU in the lower section of the project tree has the redundancy ID «2». The properties of the CPU are displayed below it. The IO devices assigned to the CPU are listed under «Distrib­ uted I/O».

• Page 213: Updating Process Image Partitions In The User Program

  The CPU automatically updates the TPA 0 (automatic update) at the beginning of each program cycle. You can find additional information in the Cycle and response times (http://support.automation.siemens.com/WW/view/en/59193558) function manual. You can assign other OBs to process image partitions PIP 1 to PIP 31 during configuration of the IO devices.

• Page 214
  IO devices over the process image or process image partitions. Reference You can find more information on process image partitions in the Cycle and response times (http://support.automation.siemens.com/WW/view/en/59193558) function manual. S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 215: Basics Of Program Execution

  Basics of program execution Programming the S7-1500R/H User program for the S7‑1500R/H redundant system For the design and programming of the user program, the same rules apply for the redundant S7‑1500R/H system as for the S7‑1500 automation system. The user program is stored identically in both CPUs in redundant operation. Both CPUs process the user program event-synchronously.

• Page 216
  Basics of program execution 9.1 Programming the S7-1500R/H OB 72 (CPU redundancy error) In addition to the OBs of the S7‑1500 CPU, you can also use OB 72 (CPU redundancy error). The operating system of each CPU of an R/H-system calls up the CPU redundancy error OB (OB72) when one of the following events occurs: •…
• Page 217
  PROFINET and Communication function manuals: – Communication (https://support.industry.siemens.com/cs/ww/en/view/59192925) function manual: SNMP – PROFINET (https://support.industry.siemens.com/cs/ww/en/view/49948856) function manual: Handling timeouts while exchanging data Programming style guide The programming guidelines described in the programming style guide help you to create a uniform program code.

• Page 218: Restrictions

  Basics of program execution 9.2 Restrictions Restrictions Supported instructions with restrictions Table 9-1  Supported instructions with restrictions CPU 1513R / CPU 1515R / CPU 1517H / CPU 1518HF with firmware version V3.0 Instruction Description Restriction Communication TMAIL_C (V5.0 or higher) Transfer email The S7-1500R/H CPUs as of firmware version V2.9 support the versions <…

• Page 219
  Basics of program execution 9.2 Restrictions Instruction Description OPC_UA_ServerMethodPost Post preparation of the server method call Synchronize user pages S_USSI Initialize USS FTP_CMD Setup of FTP connections from and to an FTP server Extended instructions SET_TIMEZONE Set time zone SNC_RTCB Synchronize slave clocks SYNC_PI Synchronize process image inputs…

• Page 220: Events And Obs

  Basics of program execution 9.3 Events and OBs Instruction Description Time-based IO TIO_SYNC Synchronize TIO modules TIO_DI Read in edges at digital input and associated time stamps TIO_DQ  Output edges time-controlled at digital output Upon a call in the CPU, the instruction provides a negative return value RETVAL. Unsupported OBs The CPUs of the S7‑1500R/H redundant system do not support the following OBs: •…

• Page 221
  Basics of program execution 9.3 Events and OBs Event sources Possible priorities (default Possible OB num­ Default system Number of OBs priority) bers response Time error Ignore 0 or 1 Maximum cycle time exceeded Depends on system state Diagnostics interrupt 2 to 26 (5) Ignore 0 or 1…
• Page 222
  Basics of program execution 9.3 Events and OBs The figure below shows the behavior of the two OBs during system state transitions from RUN-Solo to RUN-Redundant and vice versa. Figure 9-1  OB 72 and OB 86 during system state transitions OB 86 There are three IO devices in the example. Each failure of one of the three IO devices is followed by recovery of the IO device.
• Page 223
  Basics of program execution 9.3 Events and OBs NOTE Station re-integration with errors When a station returns with errors in an R/H-CPU, no attempt is made — in contrast to a standard CPU — to output exact error information in the diagnostic buffer. OB 72 If the system then switches to the RUN-Redundant system state, OB 72 «CPU redundancy error»…
• Page 224
  Basics of program execution 9.3 Events and OBs The call of OB 86 indicates the station return, independent of the redundancy status of the R1/S2 device at the time of the call of OB 86. • If both ARs can be established on return, OB 70 is called after OB 86. The R1/S2 device is redundant.
• Page 225
  Basics of program execution 9.3 Events and OBs If the maximum cycle time is exceeded for a second time in the same cycle, the redundant system responds as described in the column «2nd time cycle time is exceeded». The redundant system then resets the cycle time monitoring. If the maximum cycle time is exceeded for a third time in the same cycle, the redundant system responds as described in the column «3rd time cycle time is exceeded».

• Page 226: Special Instructions For S7-1500R/H Redundant Systems

  Basics of program execution 9.4 Special instructions for S7-1500R/H redundant systems OB priority and runtime behavior If you have assigned an OB to the event, the OB has the priority of the event. S7‑1500R/H CPUs support the priorities 1 (lowest) to 26 (highest). The following items are essential to the execution of an event: •…

• Page 227
  Basics of program execution 9.4 Special instructions for S7-1500R/H redundant systems Figure 9-2  RH_CTRL instruction Example: Disabling/enabling SYNCUP for a baggage handling system Automation task A baggage handling system at an airport is used to distribute pieces of baggage. When a flight lands, all baggage is loaded onto the baggage handling system.
• Page 228
  Basics of program execution 9.4 Special instructions for S7-1500R/H redundant systems continues to ensure the control of the baggage handling system, but no second redundant CPU is available. Replace the failed CPU with a replacement CPU. The procedure for replacing the CPU is described in the section Replacing defective R/H-CPUs (Page 321).

• Page 229: Determining The Primary Cpu With «Rh_Getprimaryid

  Basics of program execution 9.5 Asynchronous instructions 9.4.2 Determining the primary CPU with «RH_GetPrimaryID» You use the «RH_GetPrimaryID» instruction to read out which CPU is currently the primary CPU. The instruction outputs the redundancy ID of the primary CPU at the Ret_Val block parameter.

• Page 230
  Basics of program execution 9.5 Asynchronous instructions Asynchronous instructions are usually instructions for transferring data, for example data records for modules, communication data, or diagnostics data. Difference between synchronous/asynchronous instructions The figure below shows the difference between the processing of an asynchronous instruction and a synchronous instruction.
• Page 231
  Basics of program execution 9.5 Asynchronous instructions Parallel processing of asynchronous instruction jobs A CPU can process several asynchronous instruction jobs in parallel. The CPU processes the jobs in parallel under the following conditions: • Jobs for an asynchronous instruction are started while other jobs for that instruction are still running.
• Page 232
  Basics of program execution 9.5 Asynchronous instructions Status of an asynchronous instruction An asynchronous instruction shows its status via the block parameters STATUS/RET_VAL and BUSY.​ Many asynchronous instructions also use the block parameters DONE and ERROR. The figure below shows the two asynchronous instructions WRREC and RD_DPARA. ①…
• Page 233
  Basics of program execution 9.5 Asynchronous instructions Seq. no. of Type of call STATUS/RET_VAL BUSY DONE ERROR call 2 to (n — 1) Intermediate Not relev­ W#16#7002 call Last call Not relev­ W#16#0000, if no errors have occurred. Error code if errors occurred. 0 Use of resources Asynchronous instructions use resources in the CPU during their execution.
• Page 234
  Basics of program execution 9.5 Asynchronous instructions Extended instructions 1513R‑1 PN 1515R‑2 PN 1517H-3 PN 1518HF-4 PN Module parameter assignment RD_DPAR RD_DPARA RD_DPARM Diagnostics Get_IM_Data GetStationInfo Recipes RecipeExport RecipeImport Data block functions CREATE_DB READ_DBL WRIT_DBL DELETE_DB Communication: maximum number of simultaneously running jobs Table 9-8  Maximum number of simultaneous jobs for asynchronous instructions and lower-level instructions used for Open User Communication Open User Communica­…
• Page 235
  Basics of program execution 9.5 Asynchronous instructions Table 9-10  Lower-level instructions used for asynchronous instructions for communications processors Communications pro­ 1513R‑1 PN 1515R‑2 PN 1517H-3 PN 1518HF-4 PN cessors PtP communication Port_Config uses RDDEC, WRREC Send_Config uses RDDEC, WRREC Receive_Config uses RDDEC, WRREC Send_P2P uses RDDEC, WRREC Receive_P2P uses RDDEC, WRREC…

• Page 236: Protection

  CPU. This refers to data such as private keys that are required for the proper functioning of certificate-based protocols. You can find detailed information on protecting confidential configuration data in the Com­ munication (https://support.industry.siemens.com/cs/ww/en/view/59192925) function manual. 10.3…

• Page 237
  Protection 10.3 Configuring access protection for the CPU Rules for passwords Ensure that passwords are sufficiently secure. Passwords must not follow a machine- recognizable pattern. Apply the following rules: • Assign a password that is at least 8 characters long. •…
• Page 238
  Protection 10.3 Configuring access protection for the CPU Entering the correct password enables access to all the functions that are allowed in the given level. NOTE Configuring an access level does not replace know-how protection Configuring access levels offers a high degree of protection against unauthorized changes to the CPU through network access.

• Page 239: Using The Display To Set Additional Password Protection

  For additional information on this access level, refer to the description of the fail- safe system SIMATIC Safety Programming and Operating Manual SIMATIC Safety — Configur­ ing and Programming (https://support.industry.siemens.com/cs/ww/en/view/54110126). 10.4 Using the display to set additional password protection Blocking access to a password-protected CPU You can block access to password-protected CPUs (local password block) on the CPU display.

• Page 240: Using The User Program To Set Additional Access Protection

  Protection 10.6 Know-how protection Procedure If you want to block access to the CPUs via the display, you need to configure an access level with a password in STEP 7. If you set local access protection for the CPUs on the display, the block applies to both CPUs in the RUN-Redundant system state.

• Page 241
  Protection 10.6 Know-how protection When a protected block is opened, STEP 7 connects to the password provider and retrieves the corresponding password. You need to install and activate a password provider before you can connect it. A settings file in which you define the use of a password provider is also required. A password provider offers the following advantages: •…
• Page 242
  Protection 10.6 Know-how protection Setting up block know-how protection Proceed as follows to set up block know-how protection: 1. Open the properties of the block in question. 2. Select the «Protection» option under «General». Figure 10-2  Setting up block know-how protection 3. Click «Protection» to display the «Define protection» dialog. Figure 10-3  Defining protection 4.
• Page 243
  Protection 10.6 Know-how protection open the block. If you close the «Access protection» dialog with «Cancel», the block will open but the block code will not be displayed. You will not be able to edit the block. If you copy the block or add it to a library, this does not cancel the know-how protection of the block.

• Page 244: Protection By Locking The Cpu

  Protection 10.7 Protection by locking the CPU 10.7 Protection by locking the CPU Locking options Provide additional protection for your CPUs from unauthorized access (for example to the SIMATIC memory card) by using a secure front cover. You have the following options, for example: •…

• Page 245: Commissioning

  Also allow for any possible foreseeable errors in the tests. This prevents you from putting persons or equipment at risk during operation. Software tools for commissioning SIEMENS PRONETA provides commissioning support. You can find more information on SIEMENS PRONETA in the section Software (Page 69). 11.2 Check before powering on for the first time Before the first power-on, check the installation and the wiring of the S7‑1500R/H redundant…

• Page 246: Commissioning Procedure

  Commissioning 11.3 Commissioning procedure Questions for checking The following questions provide instructions for checking your system in the form of a checklist. Rack • Are the mounting rails firmly mounted to the wall, in the frame, or in the cabinet? •…

• Page 247
  Administration Editor is assigned to the top CPU in the STEP 7 project tree. You can find additional information on commissioning an F-system SIMATIC Safety and the Safety Administration Editor in the programming and operating manual SIMATIC Safety – Configuring and Programming (https://support.industry.siemens.com/cs/ww/en/view/54110126). S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 248: Removing/Plugging In Simatic Memory Cards

  You can find more information on formatting SIMATIC memory cards in the function manual Structure and use of the CPU memory (https://support.industry.siemens.com/cs/ww/en/view/59193101). Make sure that the SIMATIC memory cards of the two CPUs are not write-protected. Inserting SIMATIC memory cards Proceed as follows to insert a SIMATIC memory card: 1.

• Page 249
  • The file is no longer readable, or no longer exists. • The entire content of the card is corrupted. Please also note the following FAQs on the Internet (https://support.industry.siemens.com/cs/ww/en/view/59457183) for removal of the SIMATIC memory card. NOTE If you switch a CPU in redundant mode to the STOP operating state, the S7-1500R/H redundant system switches to the RUN-Solo system state.

• Page 250: First Power-On Of The Cpus

  Commissioning 11.3 Commissioning procedure 11.3.2 First power-on of the CPUs Requirements • The SIMATIC S7-1500R/H redundant system has been installed. • The system has been wired. • The SIMATIC memory cards are in the CPUs. Procedure Proceed as follows to commission the CPUs: 1.

• Page 251
  Commissioning 11.3 Commissioning procedure Pairing procedure Proceed as follows to pair two CPUs 1. Create a redundancy connection between two CPUs. Connect the CPUs to the relevant ports of the interfaces (for example for R-CPUs: X1 P2R). 2. POWER ON both CPUs. Loss of pairing If pairing is already established, an invalid configuration variant will lead to the loss of pairing.

• Page 252: Redundancy Ids

  Commissioning 11.3 Commissioning procedure The redundant system always attempts to restore the previous roles of the R/H CP. The following applies here: The CPU that last controlled the process becomes the primary CPU. Requirement: The system time has been set correctly. After restoring the factory settings, the redundant system assigns the roles according to the following criteria: The redundant system compares the following criteria of the two SIMATIC memory cards and…

• Page 253
  Commissioning 11.3 Commissioning procedure In the STEP 7 project tree, each of the two CPUS is displayed with its own tree. The redundancy ID is used to assign a project tree to the real CPU in STEP 7. The upper CPU of the two CPUs in the project tree always has a redundancy ID of 1.
• Page 254
  Commissioning 11.3 Commissioning procedure Options for automatic assignment: • Both CPUs are in STOP. There is pairing between the two CPUs. The ERROR LEDs are flashing red. Procedure: Switch the left-hand CPU in the configuration to the RUN operating state. Result: The right-hand CPU in the configuration changes its redundancy ID.
• Page 255
  Commissioning 11.3 Commissioning procedure Figure 11-3  Assigning redundancy IDs Reading redundancy IDs from the display As well as assigning redundancy IDs over the display, you can read out the redundancy ID with the menu command «Overview > Redundancy». The display always shows the redundancy ID of the CPU on whose display you query the redundancy ID.

• Page 256: Downloading Projects To The Cpus

  Commissioning 11.3 Commissioning procedure Incompatible assignment of redundancy IDs There is pairing between the two CPUs. You can find more information in the section CPU pairing (Page 250). In the following case, the redundant system automatically checks the compatibility of the redundancy IDs: •…

• Page 257
  Loading the safety program with an F-system SIMATIC Safety with the 1518HF-4 PN CPUs You can find the exact procedure in the SIMATIC Safety — Configuring and Programming (https://support.industry.siemens.com/cs/ww/EN/view/54110126) programming and operating manual. Downloading project data to the CPU By default, the project data is downloaded to the primary CPU.
• Page 258
  Commissioning 11.3 Commissioning procedure Procedure Proceed as follows: 1. Right-click to select the S7-1500R/H system in the project tree. 2. Select the «Download to device» > «Hardware and software (changes only)» command from the shortcut menu. The «Extended download» dialog window shows the addresses of the configured CPUs in the «Configured access nodes of…»…
• Page 259
  Commissioning 11.3 Commissioning procedure Procedure 1. After compilation, check the messages in the «Load preview» dialog window. 2. If the S7-1500R/H system is not in STOP, stop the system. To do so, select «Stop RH system» in the «Action» column of the drop-down menu. 3.
• Page 260
  Commissioning 11.3 Commissioning procedure Downloading project data to the backup CPU You can also download the project data to the backup CPU. This makes sense if the backup CPU is to be primary CPU with its project data upon a restart. Requirement The backup CPU is in STOP mode.
• Page 261
  Commissioning 11.3 Commissioning procedure Advantages: • During downloading, the primary CPU maintains control of the process. The plant remains in operation. • Restore the previous user program: After loading in the RUN-Solo operating mode, the backup CPU is in the STOP mode The previous user program is still on the backup CPU.
• Page 262
  Commissioning 11.3 Commissioning procedure User program Action Feature to note FB, FC, DB, user data type UDT New, Change, Delete FB, FC Change code, Change interface Change properties (change «Optimized block access» attribute) Actual values in the new data blocks are set to start values.

• Page 263: Operating And System States

  Commissioning 11.4 Operating and system states Result: The redundant system remains in the RUN-Redundant system state with the modified user program. NOTE The redundant system remains in the RUN-Redundant system state only with the menu command «Download to device» > «Software (only changes)». The following menu can subsequently stop the redundant system: •…

• Page 264
  Commissioning 11.4 Operating and system states Event-controlled synchronization Event-controlled synchronization ensures that both CPUs in a redundant system can operate redundantly (RUN-Redundant system state). For all events that could result in different internal subsystem states, the operating system automatically synchronizes the data of the primary and backup CPU. Primary and backup CPU are, for example, synchronized in the event of: •…
• Page 265
  Commissioning 11.4 Operating and system states In general, the two CPUs have equal priority; each CPU can be either primary or backup. Figure 11-6  System and operating states The following table provides you with an overview of how the redundant system starts and at the same time runs through the various operating modes and system states.

• Page 266: Startup Operating State

  Commissioning 11.4 Operating and system states No. in dia­ Primary CPU System state Backup CPU gram RUN → RUN-Syncup RUN-Solo → SYNCUP STOP → SYNCUP ③ The two user programs are synchronized for redundant mode. The primary CPU copies the contents of the load and work memory to the backup CPU.

• Page 267
  Commissioning 11.4 Operating and system states • The CPU processes the startup OBs in the order of the startup OB numbers. The CPU processes all programmed startup OBs regardless of the selected startup type (Figure «Setting the startup behavior»). • If a relevant event occurs, the CPU can start the following OBs in startup: –…

• Page 268: Stop Operating State

  Commissioning 11.4 Operating and system states Figure 11-7  Setting the startup behavior ① Sets the startup type after POWER ON Defines the startup behavior for the event that a module in a slot does not correspond to ② the configured module. This parameter applies to the CPU and to all the modules for which no other setting has been selected.

• Page 269: Syncup Operating State

  Commissioning 11.4 Operating and system states The primary CPU establishes connections to the IO devices in the STOP operating state. The primary CPU activates the system IP address even in the STOP operating state if the system IP address has been configured. If both CPUs are in STOP and you download a configuration to one CPU, note the following: •…

• Page 270: Syncup System State

  Commissioning 11.4 Operating and system states hardware interrupts, diagnostic interrupts and communication can interrupt the cyclic program flow and prolong the cycle time. If you have configured a minimum cycle time, the CPU does not terminate the cycle until after this minimum cycle time has expired, even if the user program is completed sooner.

• Page 271
  Commissioning 11.4 Operating and system states • No load functions are running. • Testing with breakpoints is not used. No SYNCUP is performed during testing with breakpoints. You will find more information on testing with breakpoints in the STEP 7 online help. SYNCUP system state Synchronization in the SYNCUP system state ensures that the two CPUs can operate redundantly.
• Page 272
  Commissioning 11.4 Operating and system states Preparing the SYNCUP system state After SYNCUP starts, the CPUs prepare SYNCUP: • The backup CPU switches to SYNCUP operating state and sends a status message to the primary CPU. • The primary CPU then switches from the RUN operating state to RUN-Syncup. The current operating states are shown on the displays: Table 11-5  Preparing SYNCUP Primary CPU…
• Page 273
  Commissioning 11.4 Operating and system states ① Copying the SIMATIC memory card The primary CPU copies parts of the load memory to the backup CPU: • User program, system blocks and project data of the CPU from the \SIMATIC.S7S folder NOTE Overwriting load memory content Copying overwrites the load memory contents on the SIMATIC memory card of the backup…
• Page 274
  Commissioning 11.4 Operating and system states The display of the backup CPU shows the «Connecting…» state. Table 11-7  Restart of the backup CPU Primary CPU Backup CPU RUN-Syncup CONNECTING… Syncup… Waiting for restart Overview of the Backup PLC. CPU 1517H-3 PN Step 2 of 5 6ES7 517-3HP00-0AB0 ③…
• Page 275
  Commissioning 11.4 Operating and system states The communication connections in the primary CPU are temporarily ended. You can no longer delete, load, generate or compress blocks in the user program. You can no longer run any test or commissioning functions. Table 11-8  Preparing the copying of the work memory Primary CPU Backup CPU…
• Page 276
  Commissioning 11.4 Operating and system states The display of the primary CPU indicates the copying progress. Table 11-9  Copying the work memory Primary CPU Backup CPU RUN-Syncup CONNECTING… Syncup… Copying work memory Overview to Backup PLC. CPU 1517H-3 PN Step 4 of 5 6ES7 517-3HP00-0AB0 The backup CPU is busy accepting the data before it can also process the user program.
• Page 277
  Commissioning 11.4 Operating and system states Once the backup CPU has caught up, both CPUs switch to the RUN-Redundant operating state. The backup CPU establishes connections to the IO devices (only with system redundancy S2 and R1) and the communication links are available again. Both CPUs process the user program synchronously.
• Page 278
  Commissioning 11.4 Operating and system states Procedure Effects during the SYNCUP system state Diagnostics alarms Diagnostic alarms can be delayed during the SYNCUP system state. The OB 82 reports delayed diagnostic alarms. If diagnostic alarms occur during the «Making up backup CPU lag» phase, the dia­ gnostic alarms can prolong this phase.
• Page 279
  Commissioning 11.4 Operating and system states You can find a detailed list of the causes of error and remedies in the table SYNCUP abort: Causes and solutions. Figure 11-8  SYNCUP system state aborts Table 11-12  Sequence of events: SYNCUP aborts No. in Primary CPU System state Backup CPU…
• Page 280
  You can find more information in the function manual Structure and use of the CPU memory (https://support.industry.siemens. com/cs/ww/en/view/59193101). The name of files or directories on the SIMATIC memory card Make sure that file and/or directory names do not contain of the backup CPU contains unsupported characters.

• Page 281: System And Operating State Transitions

  Commissioning 11.4 Operating and system states Cause of SYNCUP abort Solution In the PROFINET ring, in addition to the two CPUs, there are Configure the media redundancy role «Client» for all other other devices with the media redundancy role «Manager» or devices in the PROFINET ring.

• Page 282
  Commissioning 11.4 Operating and system states The following figure shows the operating state transitions of the primary and backup CPU. Figure 11-10  Operating state transitions ① POWER ON → STARTUP, POWER ON → SYNCUP Transition Description Effect System state trans­ POWER ON → STARTUP After POWER ON →…
• Page 283
  Commissioning 11.4 Operating and system states Transition Description Effect Operating state • The hardware configuration and program blocks are consistent, After POWER ON → STAR­ transitions TUP, the primary CPU The startup type «Warm restart — RUN» is set clears the non-retentive memory and resets the contents of non-retentive •…
• Page 284
  Commissioning 11.4 Operating and system states Procedure: 1. POWER OFF/POWER ON the backup CPU. Result: The CPU becomes the backup CPU again and changes to STOP. 2. POWER OFF/POWER ON the primary CPU. Result: The CPU changes to RUN. The redundant system switches to the RUN-Solo system state.
• Page 285
  Commissioning 11.4 Operating and system states Transition Description Effects The CPU that you switch from STOP to RUN first remains/becomes the primary DB contents are CPU. It switches to the STARTUP operating state and processes the startup retained. blocks. If there is a role change The backup CPU remains in STOP.
• Page 286
  Commissioning 11.4 Operating and system states Transition Description Effects The primary CPU is in the RUN operating state. The redundant system switches See section SYNCUP sys­ from the RUN-Solo system state to the SYNCUP system state if: tem state (Page 270) •…
• Page 287
  Commissioning 11.4 Operating and system states ⑦ RUN-Redundant → RUN-Solo, RUN-Redundant → RUN Transition Description Effects System state trans­ RUN-Redundant → RUN-Solo This system state trans­ ition The redundant system switches from the RUN-Redundant system state to the ition does not have any RUN-Solo system state (loss of redundancy) if: effect on the data.
• Page 288
  Commissioning 11.4 Operating and system states ⑨ SYNCUP → RUN-Solo, RUN-Syncup → RUN Transition Description Effects System state trans­ SYNCUP → RUN-Solo This system state trans­ ition The redundant system switches from the SYNCUP system state to the RUN-Solo ition does not have any system state if: effect on data.

• Page 289: Loss Of Redundancy Cpu

  Commissioning 11.4 Operating and system states ⑪ STARTUP → STOP Transition Description Effects System state trans­ STARTUP → STOP This system state trans­ ition The redundant system switches from the STARTUP system state to the STOP ition does not have any system state if: effect on data.

• Page 290
  Commissioning 11.4 Operating and system states Response Loss of redundancy of CPU means: • The redundant system switches from the RUN-Redundant system state to the RUN-Solo system state. • The primary CPU switches from the RUN-Redundant operating state to RUN (1) •…
• Page 291
  Commissioning 11.4 Operating and system states (1) Primary CPU switches to the RUN operating state Figure 11-11  Primary CPU switches to the RUN operating state Table 11-14  Response to loss of redundancy of CPU: Primary CPU switches to RUN No. in Primary CPU System state Backup CPU diagram…
• Page 292
  Commissioning 11.4 Operating and system states (2) Primary-backup switchover Figure 11-12  Primary-backup switchover Table 11-15  Response to primary CPU error: Backup CPU becomes primary CPU and switches to RUN No. in CPU 1 System state CPU 2 diagram Initial situation: The S7-1500R/H redundant system is in the RUN-Redundant system state. The primary CPU (CPU 1) fails because of a hardware defect.

• Page 293: Displaying And Changing The System State

  Please note that you can only implement the system states RUN-Redundant and STOP through the displays by switching both CPUs to the operating state RUN or STOP . SIMATIC S7-1500 Display Simulator A simulation of the display of the available menu commands is available in the SIMAT­…

• Page 294: Cpu Memory Reset

  Commissioning 11.5 CPU memory reset Changing the system state: On the R/H system control panel (Online & diagnostics): • STOP system state: Press the STOP R/H-System button. Figure 11-13  STOP system state on the R/H system control panel On the CPU control panels (Online & diagnostics): •…

• Page 295
  Commissioning 11.5 CPU memory reset A memory reset returns the CPU to its «initial state». NOTE A memory reset only ever affects the CPU to which you have applied the function. For a memory reset of both CPUs, apply the function to each in turn. Memory reset means: •…

• Page 296: Automatic Memory Reset

  CPU. The password is only deleted when the «Delete password for protection of confidential PLC configuration data» option is set. You can find additional information on the password for protection of confidential configuration data in the Communication (https://support.industry.siemens.com/cs/ww/en/view/59192925) function manual. 11.5.1 Automatic memory reset Possible causes of automatic memory reset Proper continuation of work is prevented in the following cases.

• Page 297: Manual Memory Reset

  Commissioning 11.5 CPU memory reset 11.5.2 Manual memory reset Reason for manual memory reset Memory reset is required to reset the primary or backup CPU to its «initial state». Memory resets can only be run in the STOP operating state of a CPU. CPU memory reset There are three options for performing a CPU memory reset: •…

• Page 298: Backing Up And Restoring The Cpu Configuration

  Commissioning 11.6 Backing up and restoring the CPU configuration Procedure via the operating mode keys (R-CPUs as of article number 6ES7513-1RM03-0AB0, 6ES7515-2RN03-0AB0) NOTE Memory reset ↔ Reset to factory settings The procedure described below also corresponds to the procedure for resetting to factory settings: •…

• Page 299
  Commissioning 11.6 Backing up and restoring the CPU configuration undesirable behavior, you can restore the plant to an earlier state. Before you download a changed configuration to the CPU, first use the option «Backup from online device» to create a complete backup of the current device state.
• Page 300
  Commissioning 11.6 Backing up and restoring the CPU configuration Backup from online Upload from device Upload device as Snapshot of the device (software) new station actual values Properties of the type of backup Backup can be edited ✓ ✓ ✓ Backup possible in system state RUN-Solo , STOP…
• Page 301
  If you cannot access the CPU via the IP address, you can set a temporary emergency IP address for the CPU. To the more information on emergency address options, please refer to the Communication (https://support.industry.siemens.com/cs/ww/de/view/59192925/en) function manual. Storage of multilingual project texts Different categories of texts are created when you configure a CPU, for example •…

• Page 302: Time Synchronization

  You can find information on reading out the memory usage of the CPU and the SIMATIC memory card in the Structure and Use of the CPU Memory (https://support.industry.siemens.com/cs/de/de/view/59193101/en) Function Manual. You can find information on parameter assignment of multilingual project texts in STEP 7 in the STEP 7 online help.

• Page 303: Example: Configuring The Ntp Server

  Commissioning 11.7 Time synchronization Principle of operation In NTP mode, the device sends time queries at regular intervals (in client mode) to the NTP server in the subnet (LAN). Based on the replies from the servers, the most reliable and most accurate time is calculated and the time of day on the S7-1500R/H CPU is synchronized.

• Page 304: Identification And Maintenance Data

  Commissioning 11.8 Identification and maintenance data Solution 1. Select the first R/H CPU in STEP 7. 2. Navigate to «Properties > General > Time» in the properties of the CPU. 3. Set the «Set NTP server in project» value at the «Time synchronization» parameter. 4.

• Page 305
  Commissioning 11.8 Identification and maintenance data The I&M identification data supports you in the following activities: • Checking the plant configuration • Locating hardware changes in a plant • Correcting errors in a plant Modules can be clearly identified online using the I&M identification data. Options for reading out I&M data •…

• Page 306: Record Structure For I&M Data

  Commissioning 11.8 Identification and maintenance data Proceed as follows to read the I&M data using STEP 7 from the primary and backup CPU: 1. Select the CPU in the project tree. 2. Go to «Online & diagnostics». 3. In the «Diagnostics» folder, select the «General» area. Enter maintenance data over STEP 7 STEP 7 assigns a default module name.

• Page 307
  Identification data Access Example Explanation Identification data 0: (record index AFF0 VendorIDHigh Read (1 bytes) 0000 Vendor name (002A = SIEMENS AG) VendorIDLow Read (1 bytes) 002A Order_ID Read (20 bytes) 6ES7515-2RM00-0AB0 Article number of module (for example CPU 1515R‑1 PN) IM_SERIAL_NUMBER Read (16 bytes)

• Page 308: Example: Read Out Firmware Version Of The Cpu With Get_Im_Data

  Commissioning 11.8 Identification and maintenance data 11.8.3 Example: Read out firmware version of the CPU with Get_IM_Data Automation task You want to check whether the modules in your redundant system have the current firmware. The firmware version of the modules can be found in the I&M 0 data. The IM 0 data is the basic information for a device.

• Page 309
  Commissioning 11.8 Identification and maintenance data Solution Proceed as follows to read out the I&M 0 data of the CPU with the redundancy ID 1: 1. Create a global data block to store the I&M 0 data. 2. Create a structure of the data type «IM0_Data» in the global data block. You can assign any name to the structure («imData»…
• Page 310
  Commissioning 11.8 Identification and maintenance data You can view the I&M 0 data online in STEP 7, for example with the «Monitor all» button in the data block. The CPU in the example is a CPU 1513R-1 PN (6ES7513‑1RM03‑0AB0) with the firmware version V3.0. The serial number of the CPU is ‘S C‑F9S840662018’. Figure 11-17  Example: I&M 0 data of an R CPU Benefits You can see from the data block at a glance which module requires an update.

• Page 311: Display

  SIMATIC S7‑1500 Display Simulator (https://support.industry.siemens.com/cs/ww/en/view/109761758). Display The R/H-CPUs have a front cover with a display and operating keys. The display of the CPUs shows you the control and status information in various menus.

• Page 312
  Display 12.1 CPU display back on automatically. When the display is switched off, the LEDs continue to show the status of the CPUs. You can find additional information on display temperatures in the technical specifications in the CPU manuals. NOTE The R/H-CPUs have no internal temperature measurement.
• Page 313
  Display 12.1 CPU display Color and icons for the status Meaning data Orange • STARTUP • SYNCUP • STOP • STOP — firmware update FAULT White • Connection established between CPU and display. Protection level configured. • At least one alarm is active in the CPU. •…
• Page 314
  Display 12.1 CPU display Main menu items Meaning Description Settings In the «Settings» menu you: • Assign IP address and PROFINET device name of the CPU • Setting date/time • Set operating states (RUN/STOP) • Perform a CPU memory reset or reset to factory settings •…
• Page 315
  Display 12.1 CPU display Control keys You operate the display using the following keys: • Four arrow keys: «up», «down», «left», «right» If you press and hold an arrow key for 2 seconds, this generates an automatic scroll function. • One ESC key •…
• Page 316
  Display 12.1 CPU display Tooltips Some of the values shown on the display can exceed the available display width. The values in question include: • Station name • Plant designation • Location identifier • PROFINET device name The available display width is frequently exceeded on CPUs with small displays. If you focus on the relevant value on the display and press the «Left»…
• Page 317
  Display 12.1 CPU display To display the uploaded image in the correct aspect ratio, use images with the following dimensions depending on the CPU: Table 12-4  Dimensions Dimensions Supported formats CPU 1513R-1 PN 128 x 120 pixels Bitmap, JPEG, GIF, PNG CPU 1515R-2 PN 240 x 260 pixels Bitmap, JPEG, GIF, PNG…
• Page 318
  Display 12.1 CPU display Reference Important information/special requirements for the display of HF-CPUs can be found in the Product Information F-CPUs S7-1500 (https://support.industry.siemens.com/cs/ww/de/view/109478599/en). S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 319: Maintenance

  Maintenance 13.1 Replacing components of the S7-1500R/H redundant system 13.1.1 Checking before replacing components Introduction Please observe the following rules if the redundant system is in the RUN-Solo system state: • Do not immediately start replacing components. • Do not immediately switch the failed CPU to the RUN. operating state. First check the pairing status in the RUN-Solo system state.

• Page 320
  Maintenance 13.1 Replacing components of the S7-1500R/H redundant system Primary CPU Backup CPU Example: Paired • In STEP 7 in the diagnostic status (Online & diagnostics) of the S7-1500R/H system: Check the system state in the diagnostic status: – Pairing: «Paired» is shown in the «Pairing state» field. –…

• Page 321: Replacing Defective R/H-Cpus

  The S7‑1500R/H redundant system is in the RUN-Solo system state. NOTE Replacing defective HF-CPU with safety program You can find the exact procedure in the SIMATIC Safety — Configuring and Programming (https://support.industry.siemens.com/cs/ww/en/view/54110126) programming and operating manual. NOTE Replacement part case R/H-CPU Replacing a R/H-CPU in the replacement part scenario has an impact on the password for protection of confidential configuration data.

• Page 322
  Maintenance 13.1 Replacing components of the S7-1500R/H redundant system Requirements • Read the information in the section Checking before replacing components (Page 319). • The replacement CPU has the same article number and firmware version as the failed R/H- CPU. It may be necessary to load an older firmware version onto the replacement CPU. NOTE CPUs S7-1500R with firmware version V3.0 CPUs S7-1500R with firmware version V3.0 have new article numbers.

• Page 323: Replacing Defective Redundancy Connections

  Maintenance 13.1 Replacing components of the S7-1500R/H redundant system 13.1.3 Replacing defective redundancy connections Introduction This section describes the following replacement scenarios: S7-1500R: • Replace defective PROFINET cable with S7-1500R. The PROFINET ring has been interrupted at any given point. You can find additional information in the section Replacing defective PROFINET cables (Page 326).

• Page 324: Replacing A Defective Redundancy Connection With S7-1500H

  Maintenance 13.1 Replacing components of the S7-1500R/H redundant system Procedure: Replacing the two PROFINET cables Proceed as follows to replace the defective PROFINET cables: 1. Locate the defective PROFINET cables in the PROFINET ring. 2. Replace the PROFINET cables, one after the other. 3.

• Page 325: Replacing Defective Synchronization Module With S7-1500H

  Maintenance 13.1 Replacing components of the S7-1500R/H redundant system Procedure: Replacing the redundancy connection Proceed as follows to replace a defective redundancy connection: 1. Check the LEDs X3/X4 (CPU 1517H-3 PN) or LEDs X4/X5 (CPU 1518HF-4 PN). You can pinpoint the defective redundancy connection on the basis of which LEDs are off. 2.

• Page 326
  Maintenance 13.1 Replacing components of the S7-1500R/H redundant system Requirement Read the information in the section Checking before replacing components (Page 319). Procedure: Replacing both redundancy connections Proceed as follows to replace the defective redundancy connections: 1. Check the LEDs X3/X4 (CPU 1517H-3 PN) or LEDs X4/X5 (CPU 1518HF-4 PN) on the primary and backup CPU.

• Page 327: Replacing Defective Profinet Cables

  NOTE Replacing defective SIMATIC memory card in HF-CPU with safety program You can find the exact procedure in the SIMATIC Safety — Configuring and Programming (https://support.industry.siemens.com/cs/ww/en/view/54110126) programming and operating manual. Requirement • Read the information in the section Checking before replacing components (Page 319).

• Page 328: Replace Defective Load Current Supply Pm

  You will find the procedure, the response of the redundant system and other information on the SIMATIC memory card in the function manual Structure and use of the CPU memory (https://support.industry.siemens.com/cs/ww/en/view/59193101). 13.1.6 Replace defective load current supply PM Initial situation A load current supply PM has failed.

• Page 329: Replacing Defective Io Devices/Switches

  Maintenance 13.1 Replacing components of the S7-1500R/H redundant system Result 1. The CPU with the replaced load current supply PM runs SYNCUP. Requirement: The CPU mode selector is in RUN. 2. The CPU switches to the RUN-Redundant operating state and operates as backup CPU. The redundant system is in the RUN-Redundant system state again.

• Page 330: Replacing The Display

  Maintenance 13.2 Replacing the display/front cover Procedure for replacing the interface module of an R1 device If you replace a defective interface module of an R1 device, then follow the procedure in the associated documentation. Result The PROFINET ring or line topology is closed again. The PROFINET device can be accessed again in the S7-1500R/H redundant system.

• Page 331
  Maintenance 13.2 Replacing the display/front cover The figure below shows an example of the operation at the CPU 1513R-1 PN. Figure 13-2  Remove display Replace front cover (R/H CPUs with article numbers 6ES7513-1RL00-0AB0, 6ES7515-2RM00-0AB0, 6ES7517-3HP00-0AB0, 6ES7518-4JP00-0AB0) To remove the front cover from the CPU, follow these steps: 1.

• Page 332: Replacing The Coding Element At The Power Connector Of The Load Current Supply

  Maintenance 13.3 Replacing the coding element at the power connector of the load current supply The view in the figure below is an example of CPU 1515R-2 PN. ① Fasteners for removing and fitting the front panel Figure 13-3  Remove display Zone 2 hazardous area WARNING Personal injury or material damage can occur in zone 2 hazardous areas…

• Page 333
  Maintenance 13.3 Replacing the coding element at the power connector of the load current supply This prevents the insertion of a power connector of a load current supply into a module of a different type. DANGER Do not manipulate the coding element, or leave it off •…

• Page 334: Firmware Update

  However, a downgrade can have effects on the user program if you use new functions in the user program which were not yet supported by the firmware of the CPU. The following entry (https://support.industry.siemens.com/cs/de/en/view/109478459) lists all firmware versions for the CPUs including displays. You will also find a description of the new functions of the respective firmware versions.

• Page 335
  Maintenance 13.4 Firmware update Requirement You have downloaded the files for the firmware update from Siemens Industry Online Sup­ port (https://support.industry.siemens.com/cs/ww/en/ps). On this Web page, select: Automation technology > Automation systems > SIMATIC industrial automation systems > Controllers > Advanced Controller > S7‑1500 > CPUs > Redundant CPUs Figure 13-6  Product tree using the S7-1500 as an example…
• Page 336
  Maintenance 13.4 Firmware update 3. In the «Functions» folder, select the «Firmware update» group. For a CPU, you can select whether you want to update the CPU or the display. 4. Click the «Browse» button to select the path to the firmware update files in the «Firmware update»…
• Page 337
  If you perform a firmware update via the SIMATIC memory card, you must use a large enough card. Check the specified file sizes of the update files when downloading them from Siemens Industry Online Support. The total size of the update files must not exceed the available memory size of your SIMATIC memory card.

• Page 338: Resetting Cpus To Factory Settings

  Maintenance 13.5 Resetting CPUs to factory settings Follow the sequence below: 1. Switch CPU 2 to the STOP operating state. 2. Run the update for the CPU 2 display. 3. Switch CPU 2 to the RUN operating state. Wait until the R/H system switches to the RUN- Redundant system state.

• Page 339
  Maintenance 13.5 Resetting CPUs to factory settings Procedure using the mode selector (R/H CPUs with article numbers 6ES7513-1RL00-0AB0, 6ES7515-2RM00-0AB0, 6ES7517-3HP00-0AB0, 6ES7518-4JP00-0AB0) Make sure that the CPU is in STOP operating state: The CPU display indicates the STOP operating state. The RUN/STOP LED lights up yellow. NOTE Reset to factory settings ↔…
• Page 340
  Maintenance 13.5 Resetting CPUs to factory settings Perform a reset to factory settings as follows: 1. Press the STOP mode selector key. Result: The STOP-ACTIVE and RUN/STOP LED light up yellow. 2. Press the STOP operating mode button until the RUN/STOP LED lights up for the 2nd time and remains continuously lit (this takes three seconds).
• Page 341
  Maintenance 13.5 Resetting CPUs to factory settings 3. If you want to keep the IP address, select the «Keep IP address» option button. If you want to delete the IP address, select the «Delete IP address» option button. NOTE «Delete IP address» deletes all IP addresses, regardless of how you established the online connection.
• Page 342
  The password is only deleted when the «Delete password for protection of confidential PLC configuration data» option is set. You can find additional information on the password for protection of confidential configuration data in the Communication (https://support.industry.siemens.com/cs/ww/en/view/59192925) function manual. S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 343: Maintenance And Repair

  You can find more information on «Reset to factory settings» in the section on memory areas and retentivity in the function manual Structure and use of the CPU memory (http://support.automation.siemens.com/WW/view/en/59193101), and in the STEP 7 online help. For information on CPU memory resets, please refer to the section CPU memory reset (Page 294).

• Page 344: Test And Service Functions

  Test and service functions 14.1 Test functions Introduction You have the option of testing the operation of your user program on the CPU. You monitor the signal states and values of tags. You preassign values to tags to allow you to simulate specific situations for program execution.

• Page 345
  Test and service functions 14.1 Test functions Test options • Testing with program status • Testing with breakpoints (only in the STARTUP (startup OB) or RUN-Solo system state) • Testing with a watch table • Testing with a force table •…
• Page 346
  Observe the additional information about the errors and effects in the programming and operating manual SIMATIC Safety — Configuring and Programming (https://support.industry.siemens.com/cs/ww/de/view/54110126). Difference between modifying and forcing The fundamental difference between the modifying and forcing functions is the storage behavior: •…
• Page 347
  Test and service functions 14.1 Test functions You monitor the following operand areas: – Inputs and outputs (process image) and bit memory – Contents of data blocks – Peripheral inputs and peripheral outputs – Timers and counters • Modifying tags You use this function to assign values to the individual tags of a user program or a CPU on the PG/PC.
• Page 348
  – In the «Measurements» system folder, double-click to open the recording to display the measurement. The «Diagram» tab for the measurement opens in the work area. Please also see the FAQs on the Internet (https://support.industry.siemens.com/cs/ww/en/view/102781176) for testing with the trace function. Reference Additional information on the test functions can be found in the STEP 7 online help.

• Page 349: Reading Out/Saving Service Data

  Test and service functions 14.2 Reading out/saving service data You can find more information on testing with trace functions in the function manual Using the trace and logic analyzer function (http://support.automation.siemens.com/WW/view/en/64897128). 14.2 Reading out/saving service data Service data In addition to the contents of the diagnostics buffer, the service data contain numerous additional data points about the internal status of the CPU.

• Page 350
  Test and service functions 14.2 Reading out/saving service data options for saving the service data. You must also ensure before saving that there is sufficient memory space on the SIMATIC memory card. Proceed as follows for the R/H-CPU to save service data using the SIMATIC memory card: 1.

• Page 351: Technical Specifications

  Technical specifications Introduction This chapter lists the technical specifications of the system: • The standards and test values that the modules of the S7-1500R/H redundant system comply with and fulfill. • The test criteria according to which the S7-1500R/H redundant system was tested. Technical specifications for the modules The technical specifications of the individual modules can be found in the manuals of the modules themselves.

• Page 352
  Technical specifications 15.1 Standards and Approvals WARNING Explosion hazard If you replace components, compliance with Class I, Div. 2 or zone 2 may become invalid. WARNING Deployment requirements This device is only suitable for use in Class I, Div. 2, Group A, B, C, D; Class I, zone 2, Group IIC, or in non-hazardous areas.
• Page 353
  DI FA TI COS TT Postfach 1963 D-92209 Amberg The EU declarations of conformity are also available for download from the Siemens Industry Online Support website, under the keyword «Declaration of Conformity». UKCA marking The S7-1500R/H redundant system complies with the designated British Standards (BS) for programmable logic controllers published in the official consolidated list of the British government.
• Page 354
  Technical specifications 15.1 Standards and Approvals cULus HAZ. LOC. approval Underwriters Laboratories Inc. in accordance with • UL 508 (Industrial Control Equipment) OR UL 61010-1 and UL 61010-2-201 • CAN/CSA C22.2 No. 142 (Process Control Equipment) OR CAN/CSA C22.2 No. 61010-1 and CAN/CSA C22.2 No.
• Page 355
  Technical specifications 15.1 Standards and Approvals ATEX approval According to EN 60079-15 (Electrical apparatus for potentially explosive atmospheres — Part 15: Type of protection «n») and EN 60079-0 (Electrical apparatus for potentially explosive gas atmospheres — Part 0: General Requirements). According to EN 60079-7 (Electrical apparatus for potentially explosive atmospheres — Part 7: Increased safety «e») and EN IEC 60079-0 (Electrical apparatus for potentially explosive gas atmospheres — Part 0: General Requirements).
• Page 356
  Technical specifications 15.1 Standards and Approvals IECEx approval According to IEC 60079-15 (Explosive atmospheres — Part 15: Equipment protection by type of protection «n») and IEC 60079-0 (Explosive atmospheres — Part 0: Equipment — General requirements). According to IEC 60079-7 (Explosive atmospheres — Part 7: Equipment protection by increase safety «e») and IEC 60079-0 (Explosive atmospheres — Part 0: Equipment — General requirements).
• Page 357
  Technical specifications 15.1 Standards and Approvals RCM Declaration of conformity for Australia/New Zealand The redundant S7-1500R/H system meets the requirements of the standard EN 61000-6-4. Korea Certification Please note that this device corresponds to limit value class A in terms of the emission of radio frequency interference.

• Page 358: Electromagnetic Compatibility

  The S7-1500R/H redundant system is not intended for use in residential areas. Using the S7-1500R/H redundant system in residential areas can affect radio and television reception. Reference The certificates for the identifiers and approvals can be found in Siemens Industry Online Support on the Internet (http://www.siemens.com/automation/service&support). 15.2…

• Page 359
  Technical specifications 15.2 Electromagnetic compatibility Pulse-shaped disturbances The table below shows the electromagnetic compatibility of the S7-1500R/H redundant system with regard to pulse-shaped disturbances. Table 15-1  Pulse-shaped disturbances Pulse-shaped disturbance Test voltage Corresponds with degree of severity Electrostatic discharge in accordance with Air discharge: ±8 kV IEC 61000-4-2.

• Page 360: Shipping And Storage Conditions

  Technical specifications 15.3 Shipping and storage conditions Emission of radio interference Interference emission of electromagnetic fields in accordance with EN 55016 Table 15-4  Interference emission of electromagnetic fields Frequency Interference emission Measuring distance 30 MHz to 230 MHz < 40 dB (µV/m) QP 10 m 230 MHz to 1000 MHz < 47 dB (µV/m) QP 10 m…

• Page 361: Mechanical And Climatic Ambient Conditions

  Technical specifications 15.4 Mechanical and climatic ambient conditions 15.4 Mechanical and climatic ambient conditions Operating conditions The S7-1500R/H redundant system is designed for stationary use in weather-proof locations. The operating conditions are based on the requirements of IEC 61131-2:2017: • OTH4 •…

• Page 362
  Technical specifications 15.4 Mechanical and climatic ambient conditions Climatic ambient conditions The table below shows the permissible climatic environmental conditions for the SIMATIC S7-1500R/H redundant system during operation. Table 15-8  Climatic ambient conditions Ambient conditions Permissible range Comments Temperature R- Horizontal from 0 to 60 °C To increase the service life of the display, the dis­…
• Page 363
  The maximum «operating height above sea level» is described in the technical specifications of the respective module. The product data sheets with daily updated technical specifications can be found on the Internet (https://support.industry.siemens.com/cs/ww/en/ps/td) at Industry Online Support. Enter the article number or the short description of the desired module on the website.

• Page 364: Information On Insulation Tests, Protection Class, Degree Of Protection And Rated

  Technical specifications 15.5 Information on insulation tests, protection class, degree of protection and rated voltage PFDavg, PFH values for HF-CPUs Below you will find the probability of failure values (PFDavg, PFH values) for the HF-CPUs with a service life of 20 years and with a repair time of 100 hours: Operation in low demand mode Operation in high demand or continuous mode low demand mode…

• Page 365: Use Of S7-1500R/H In Zone 2 Hazardous Area

  IEC 61131-2 or IEC 61010-2-201. 15.6 Use of S7-1500R/H in Zone 2 hazardous area Reference You can find more information in the product information Use of modules in a Zone 2 Haz­ ardous Area (http://support.automation.siemens.com/WW/view/en/19692172). S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 366: Dimension Drawings

  Dimension drawings Mounting rail 160 mm Figure A-1  Mounting rail 160 mm Mounting rail 245 mm Figure A-2  Mounting rail 245 mm S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 367
  Dimension drawings Mounting rail 482.6 mm Figure A-3  Mounting rail 482.6 mm Mounting rail 530 mm Figure A-4  Mounting rail 530 mm S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…
• Page 368
  Dimension drawings Mounting rail 830 mm Figure A-5  Mounting rail 830 mm Mounting rail 2000 mm Figure A-6  Mounting rail 2000 mm S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 369: Accessories/Spare Parts

  Accessories/spare parts General accessories Table B-1  General accessories Designation Article number Mounting rail • Mounting rail, 160 mm (with drill holes) 6ES7590‑1AB60‑0AA0 • Mounting rail, 245 mm (with drill holes) 6ES7590‑1AC40‑0AA0 • Mounting rail, 482 mm (with drill holes) 6ES7590‑1AE80‑0AA0 • Mounting rail, 530 mm (with drill holes) 6ES7590‑1AF30‑0AA0 •…

• Page 370
  RUGGEDCOM RMC-24-TXFXSM-XX 6GK6001-0AC01-0EA0 Additional media converters On request Online catalog You can find more article numbers for the S7-1500R/H redundant system on the Internet (https://mall.industry.siemens.com) in the online catalog and online ordering system. S7-1500R/H redundant system System Manual, 11/2022, A5E41814787-AD…

• Page 371: Safety Symbols

  Safety symbols Safety-related symbols for devices without Ex protection The following table contains an explanation of the symbols located in your SIMATIC device, its packaging or the accompanying documentation. Symbol Meaning General warning sign Caution/Notice You must read the product documentation. The product documentation contains information about the potential risks and enable you to recognize risks and imple­…

• Page 372: Safety-Related Symbols For Devices With Ex Protection

  Safety symbols C.2 Safety-related symbols for devices with Ex protection Safety-related symbols for devices with Ex protection The following table contains an explanation of the symbols located in your SIMATIC device, its packaging or the accompanying documentation. Symbol Meaning The assigned safety symbols apply to devices with Ex approval. You must read the product documentation.

• Page 373: Decommissioning

  Decommissioning Introduction In the following section, you will find information on how to properly decommission individual components of your SIMATIC S7-1500R/H redundant system. Decommissioning is necessary when the component has reached the end of its service life. Decommissioning includes environmentally sound disposal and secure removal of all digital data of electronic components with storage medium.

• Page 374: Recycling And Disposal

  Decommissioning D.3 Recycling and disposal 2. Restore the factory settings of the CPU. We recommend resetting the CPU in STEP 7. When you reset a CPU to factory settings, select the options shown in the figure before the reset. Figure D-1  Resetting the CPU to factory settings NOTE If you reset the CPU using STEP 7 and you have selected the «Format memory card»…

• Page 375: Glossary

  Glossary The AR (Application Relation) covers all communication relations between IO controller and IO device (for example IO data, data records, interrupts). Automation system Programmable logic controller for the open-loop and closed-loop control of process chains in the process engineering industry and in manufacturing technology. The automation system consists of different components and integrated system functions according to the automation task.

• Page 376
  Glossary Code block In SIMATIC S7, a code block contains part of the STEP 7 user program. Configuration Systematic arrangement of the individual modules (configuration). Connection plug The connection plug provides the physical connection between devices and the cable, for example. Consistent data Consistent data is data that belongs together in terms of content.
• Page 377
  Glossary Cyclic interrupt You will find further information in the glossary entry «Interrupt, cyclic». Data block Data blocks (DBs) are data areas in the user program that contain user data. Available data blocks: • Global data blocks that you can access from all code blocks. •…
• Page 378
  Glossary Distributed I/O Equipotential bonding Electrical connection (equipotential bonding conductor) that brings the conductive parts of electrical equipment and other conductive parts to the same or approximately the same potential. This prevents disruptive or dangerous voltages arising between these parts. Fail-safe systems Fail-safe systems (F-systems) are characterized by the fact that they remain in the safe state during the occurrence of specific failures or immediately transition into a different safe state.
• Page 379
  Glossary Ground Conductive ground whose electrical potential can be set equal to zero at any point. All interconnected, inactive parts of a piece of equipment. Ground Conductive ground whose electrical potential can be set equal to zero at any point. All interconnected, inactive parts of a piece of equipment.
• Page 380
  Glossary Interface module Module in the distributed I/O system. The interface module connects the distributed I/O system to the CPUs (IO controllers) via a fieldbus, and prepares the data of the I/O modules. Interrupt The operating system of the CPU distinguishes between various priority classes that control the execution of the user program.
• Page 381
  Glossary Isolated modules In the case of isolated input/output modules, the reference potentials of the control and load circuits are electrically isolated. Examples are optical isolators, relays or transformers. Input/output circuits can be connected to common potential. Load current supply The load current supply supplies the electric input and output circuits of the module.
• Page 382
  Glossary Parameter • Tag of a STEP 7 code block: • Tag for setting the behavior of a module (one or more per module). In as-delivered state, every module has an appropriate basic setting, which you can change by configuring in STEP 7.
• Page 383
  Glossary PROFINET PROcess FIeld NETwork, open Industrial Ethernet standard that continues PROFIBUS and Industrial Ethernet. A cross-manufacturer communication, automation, and engineering model defined by PROFIBUS International e.V. as an automation standard. PROFINET IO Communication concept for the realization of modular, distributed applications within the scope of PROFINET.
• Page 384
  Glossary Reference potential Potential from which the voltages of the circuits involved are observed and/or measured. Restart A warm restart deletes all non-retentive bit memory and resets non-retentive DB contents to the initial values from load memory. Retentive bit memory and retentive DB contents are retained.
• Page 385
  Glossary In the office setting and in automation engineering, devices from a wide range of vendors on the Ethernet support SNMP. You can operate SNMP-based applications on the same network in parallel to applications with PROFINET. The scope of supported functions varies depending on the device type. For example, a switch has more functions than a CP 1616.
• Page 386
  Glossary System IP address In addition to the device IP addresses of the CPUs, the redundant system S7‑1500R/H supports system IP addresses. You use the system IP addresses for communication with other devices (for example, HMI devices, CPUs, PG/PC). The devices always communicate over the system IP address with the primary CPU of the redundant system.

• Page 387: Index

  Index Commissioning, 246 Check before power-on, 246 24 V DC supply, 170 Procedure, 247 Removing/plugging in a SIMATIC memory card, First power-on, 250 Access levels First power-on, requirements, 250 Assign parameters, 238 Identification data, 304 Access levels for the CPUs, 237 Identification data, 306 Identification data — record structure, 306 Accessories, 369…

• Page 388
  Index Connecting communication interfaces to Dimension drawing S7-1500H, 183 Mounting rail, 366 Connecting communication interfaces to S7-1500R, Disable SYNCUP, 226 Display, 311 Connecting PROFINET ring Basics, 311 To S7-1500R, 180 Password protection, 311 To S7-1500H, 191 Menu, 313 To S7-1500H, 193 Menu icons, 314 Connecting redundancy connections (fiber-optic Control keys, 315…
• Page 389
  Index Infeed Firmware update, 334 grounded, 171 Using STEP 7, 335 Via the SIMATIC memory card, 336 Installation Basics, 153 FM approval, 354 Mounting rail, 155 Force table, 347 Mounting rail, 157 Forcing, 346 DIN rail adapter, 159 Load current supply, 165 F-systems, 41 R/H-CPU, 167 F-systems , 247…
• Page 390
  Index Operating mode STARTUP, 266 MAC addresses, 66 Configuring startup behavior, 267 STOP, 268 Maintenance, 319 SYNCUP, 269 Firmware update, 334 Reset to factory settings, 339 RUN, 269 Test functions, 344 Run-Syncup, 270 RUN-Redundant, 270 Reading out service data, 349 Displaying, 293 Maximum configuration, 148 Changing, 293…
• Page 391
  Index Replace display (R-CPUs as of article number Programming style guide, 217 6ES7513-1RM03-0AB0/6ES7515-2RN03-0AB0), Program status, 345 Project languages, 301 Replacement of components, 319 Project tree, 211 R/H-CPU, 322 Redundancy connections, 323 PRONETA, 71 PROFINET cables for S7-1500R, 323 Protection, 170 Redundancy connection for S7-1500H, 324 Against electrical shock, 170 Synchronization module for S7-1500H, 325…
• Page 392
  Index S7-1500H configuration with switches and addi­ Synchronization modules, 44 tional line topology, 80 Plug and pull, 189 Uninstalling, 190 S7-1500H without additional devices, 31 SYNCUP S7-1500R/H OB behavior, 224 Overview of components, 43 SYNCUP system state, 270 S7-1500R/H communication options, 68 Requirements, 270 S7‑1500R/H components, 43 Preparations, 272…
• Page 393
  Index Uninstalling Load current supply, 166 R/H-CPU, 167 Use, 21 From HMI devices, 149 in industrial environments, 358 in mixed areas, 358 in residential areas, 358 In hazardous area Zone 2, 365 User program, 215 Download in the RUN-Solo system state, 260 Download in the RUN-Redundant system state, Using PROFINET devices, 149 Watch tables, 346…

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