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• Page 1
  AMI Sodium P Version 6.00 and higher A-96.250.211 / 200416…
• Page 2
  SWAN representative, or the manufacturer: SWAN ANALYTISCHE INSTRUMENTE AG Studbachstrasse 13 8340 Hinwil Switzerland Internet: www.swan.ch E-mail: support@swan.ch Document Status Monitor AMI Sodium P Operator’s Manual Title: A-96.250.211 Revision Issue April 2005 First edition October 2011 Update to Firmware Release 4.50 April 2014 Main board V2.4, Update to Firmware Release 5.40…

• Page 3: Table Of Contents

  Firmware settings for 2nd sample stream option … 3.6. AMI Sodium P connected to a Sample Sequencer … 3.7. Electrical Connections ……. . .

• Page 4
  AMI Sodium P Instrument Setup ……..
• Page 5
  AMI Sodium P Error List ……… . .

• Page 6: Safety Instructions

  AMI Sodium P Safety Instructions AMI Sodium P — Operator’s Manual This document describes the main steps for instrument setup, oper- ation and maintenance. Safety Instructions General The instructions included in this section explain the potential risks associated with instrument operation and provide important safety practices designed to minimize these risks.

• Page 7: Warning Notices

  AMI Sodium P Safety Instructions 1.1. Warning Notices The symbols used for safety-related notices have the following sig- nificance: DANGER Your life or physical wellbeing are in serious danger if such warnings are ignored.  Follow the prevention instructions carefully.

• Page 8
  AMI Sodium P Safety Instructions Warning Signs The importance of the warning signs in this manual. Electrical shock hazard Corrosive Harmful to health Flammable Warning general Attention general A-96.250.211 / 200416…

• Page 9: General Safety Regulations

  AMI Sodium P Safety Instructions 1.2. General Safety Regulations Legal The user is responsible for proper system operation. All precautions must be followed to ensure safe operation Requirements of the instrument. Spare Parts Use only official SWAN spare parts and disposables. If other parts are used during the normal warranty period, the manufacturer’s…

• Page 10: Restrictions For Use

  AMI Sodium P Safety Instructions 1.3. Restrictions for use The sample must not contain any particles, which may block the flow cell. Sufficient sample flow is coercive for the correct function of the instrument. This instrument is only applicable to waters of a pH value higher than 7.

• Page 11: Product Description

  The AMI Sodium P is suitable for samples with a pH value higher than pH7. For samples with a pH lower than pH7, use the AMI Sodium A.
• Page 12
  AMI Sodium P Product Description Alarm Relay One potential free contact. Alternatively:  Open during normal operation, closed on error and loss of power.  Closed during normal operation, open on error and loss of power. Summary alarm indication for programmable alarm values and in- strument faults.
• Page 13
  AMI Sodium P Product Description Fluidics Constant head Flow cell Reaction tube Sample outlet Flow regulating valve Overflow tube Sample inlet Air inlet filter Reference electrode Air tube to DIPA bottle pH electrode Tube with DIPA saturated air Sodium electrode…
• Page 14
  AMI Sodium P Product Description Second If required the AMI Sodium P can be equipped with the optional second sample stream module. To install the 2nd sample stream Sample Stream option a AMI Sodium P with 400 mm panel with is required.

• Page 15: Instrument Specification

  AMI Sodium P Product Description 2.1. Instrument Specification Power Supply Voltage: 100–240 VAC (± 10%) 50/60 Hz (± 5%) or 24 VDC (± 10%) Power consumption: max. 30 VA Electronics Aluminium with a protection degree of IP 66 / NEMA 4X…

• Page 16
  AMI Sodium P Product Description Dimensions: Panel: 280 x 850 x 200 mm Mounting hole distance: 254 x 824 mm Screws: 8 mm diameter Weight: 9.0 kg / 19.85 lbs without sample water 280 mm / 11” 13 mm / ½”…
• Page 17
  AMI Sodium P Product Description Dimensions Panel: 400 x 850 x 200 mm with 2nd Mounting hole distance: 374 x 824 mm sample stream Screws: 8 mm diameter Weight: 12.0 kg / 26.5 lbs without sample water 400 mm / 11”…

• Page 18: Instrument Overview

  AMI Sodium P Product Description 2.2. Instrument Overview Transmitter Air filter Panel Constant head Reference electrolyte bottle Standard bottle/Grab sample sample stream (option) Standard bottle holder Flow regulating valve Reference electrode Sample inlet Temperature sensor pH electrode Reagent bottle Sodium electrode…

• Page 19: Installation

  AMI Sodium P Installation Installation 3.1. Installation Check List Check Instrument’s specification must conform to the National Electrical Code, all state and local codes, and all plant codes and standards for electrical equipment. On site require- 100 — 240 VAC ( 10%), 50/60 Hz ( 5%) or 24 VDC, isolated ments (±10%) power outlet with ground connection and 30 VA…

• Page 20: Mounting Of Instrument Panel

  AMI Sodium P Installation NOTICE: Do not switch on the Instrument until all electrical Electrical Wiring connections are made. Connect all external devices like limit switches, see Electrical Con- nections, p. Connect power cord. Power-up Turn on the sample flow and wait until the measuring cell is com- pletely filled.

• Page 21: Connect Sample And Waste

  AMI Sodium P Installation 3.3. Connect Sample and Waste 3.3.1 FEP Tube at Sample Inlet CAUTION Damage of acrylic glass flow cell Never screw steel fittings directly into the threads of the acrylic glass.  Only use steel tubings with special fitting.

• Page 22: Install Sensors

  AMI Sodium P Installation 3.4. Install Sensors CAUTION The electrodes are made of glass and therefore very sensi- tive.  Handle with care. Position of Reference electrode, cable sensors marked with R pH electrode, cable marked with PH Sodium electrode, cable…

• Page 23: Install The Sodium Electrode

  AMI Sodium P Installation 3.4.1 Install the Sodium Electrode General Sodium electrodes are sensitive, electrochemical devices with a very high internal impedance. To maintain correct operation make sure that:  the sensing glass bulb stays clean.  no air bubbles are trapped in the glass bulb of the electrode.

• Page 24
  AMI Sodium P Installation Install the sodium electrode as follows: 1 Remove the protective cap [I] from the electrode with a careful turning and pulling movement. 2 Etch the electrode, see Cleaning and etching, p. 54 and note the warning about handling of the chemicals.

• Page 25: Install The Reference Electrode

  AMI Sodium P Installation 3.4.2 Install the Reference Electrode General The SWAN reference electrode is a double junction Calomel / KCl type electrode. The outer liquid junction is a liquid glass sleeve, guaranteeing easy maintenance and long life time. To maintain correct operation make sure that: …

• Page 26
  AMI Sodium P Installation Prepare the After longer storage of the reference electrode, the diaphragm may be clogged wit salt deposits of KCl. Therefore it is recommended to reference open and clean the diaphragm before installing the reference elec- electrode trode.
• Page 27
  AMI Sodium P Installation Install the reference electrode KCl Bottle Connector cap Trapped air bubble Reference chamber hole Dosing tip Electrode shaft Stopper Union screw KCl supply tube Washer Sensor plug O-ring Install the reference electrode as follows: 1 Remove the stopper [D] from the KCl supply tube [E].
• Page 28
  AMI Sodium P Installation 5 Knock against the KCl bottle to remove trapped air bubbles [B] in the dosing tip. NOTICE: Air bubbles trapped in the dosing tip of the KCl bottle may stop the KCl flow to the reference electrode, which results in wrong measuring values.

• Page 29: Install The Ph Electrode

  AMI Sodium P Installation 3.4.3 Install the pH Electrode Connector cap Sensor plug Sensor shaft Protective cap Union screw Washer O-ring pH sensor hole 1 Carefully remove the protective cap [D] from the electrode tip. Turn it clockwise only. 2 Rinse the electrode tip with clean water.

• Page 30: Install The Temperature Sensor

  AMI Sodium P Installation 3.4.4 Install the Temperature Sensor The temperature sensor is fixed to the panel with an adhesive tape and already connected to the front end PCB in the AMI transmitter. Temperature sensor Reference sensor pH sensor Sodium sensor…

• Page 31: Install 2Nd Sample Stream (Option)

  AMI Sodium P Installation 3.5. Install 2 Sample Stream (Option) Constant head support Sample stream 1 Blind plug Hose nozzle for drain funnel sample stream option Sample stream 2 with solenoid valve Connection tube Flow regulating valves Existing sample inlet tube…

• Page 32: Connect The Solenoid Valve

  AMI Sodium P Installation 6 Install the connection tube [I] between the 2 sample stream outlet and the constant head support inlet. 7 Connect sample inlet 1 (F) and sample inlet 2 (H) to the corre- sponding inlets at the 2 sample stream.

• Page 33: Firmware Settings For 2Nd Sample Stream Option

  6 Press [Exit], choose <Save> “Yes” Channel switch Auto Confirm with [Enter]. Standards With 2 sample stream option the AMI Sodium P can be operated in the following 4 different modes.  None  Auto  User defined  Fieldbus…

• Page 34: Ami Sodium P Connected To A Sample Sequencer

  AMI Sodium P connected to a Sample Sequencer If more than two sample streams are required, an AMI Sample Se- quencer can be connected to the AMI Sodium P which allows to measure up to six sample streams. The electrical connection is de- scribed in the Manual of the AMI Sample Sequencer.

• Page 35: Electrical Connections

  AMI Sodium P Installation 3.7. Electrical Connections WARNING Risk of electrical shock. Do not perform any work on electrical components if the trans- mitter is switched on. Failure to follow safety instructions could result in serious injury or death.  Always turn off AC power before manipulating electric parts.

• Page 36: Alarm Relay

  AMI Sodium P Installation WARNING External Voltage. External supplied devices connected to relay 1 or 2 or to the alarm relay can cause electrical shocks  Make sure that the devices connected to the following con- tacts are disconnected from the power before resuming in- stallation.

• Page 37: Connection Diagram

  AMI Sodium P Installation 3.7.1 Connection Diagram CAUTION Use only the terminals shown in this diagram, and only for the mentioned purpose. Use of any other terminals will cause short circuits with possible corresponding consequences to material and personnel. A-96.250.211 / 200416…

• Page 38
   Mains cable to comply with standards IEC 60227 or IEC 60245; flammable rating FV1  Mains equipped with an external switch or circuit-breaker – near the instrument – easily accessible to the operator – marked as interrupter for AMI Sodium P A-96.250.211 / 200416…

• Page 39: Relay Contacts

  AMI Sodium P Installation 3.8. Relay Contacts 3.8.1 Input NOTICE: Use only potential-free (dry) contacts. The total resistance (sum of cable resistance and resistance of the relay contact) must be less than 50 Ω. Terminals 16/42 For programming see Program list and explanation, 5.3.4, p.

• Page 40: Relay 1 And 2

  AMI Sodium P Installation 3.8.3 Relay 1 and 2 NOTICE: Max. load 1 A/250 VAC Relay 1 and 2 can be configured as normally open or as normally closed. Standard for both relays is normally open. To configure a Relay as normally closed, set the jumper in the upper position.

• Page 41
  AMI Sodium P Installation CAUTION Risk of damage of the relays in the AMI Transmitter due to heavy inductive load. Heavy inductive or directly controlled loads (solenoid valves, dosing pumps) may destroy the relay contacts.  To switch inductive loads > 0.1 A use an AMI relay box avail- able as an option or suitable external power relays.

• Page 42: Signal Outputs

  AMI Sodium P Installation 3.9. Signal Outputs 3.9.1 Signal Output 1 and 2 (current outputs)  NOTICE: Max. burden 510 If signals are sent to two different receivers, use signal isolator (loop isolator). Signal output 1: Terminals 14 (+) and 13 (-)

• Page 43: Signal Output 3

  AMI Sodium P Installation 3.10.1 Signal Output 3 Terminal 38 (+) and 37 (-). Requires the additional board for the third signal output 0/4–20 mA PCB. The third signal output can be operated as current source or current sink (switchable via switch [A]). For detailed information see the corresponding installation instruction.

• Page 44: Profibus, Modbus Interface

  AMI Sodium P Installation 3.10.2 Profibus, Modbus Interface Terminal 37 PB, Terminal 38 PA To connect several instruments by means of a network or to config- ure a PROFIBUS DP or a MODBUS connection, consult the PRO- FIBUS/MODBUS manual. Use appropriate network cable.

• Page 45: Connection Of Sensors

  AMI Sodium P Installation 3.11. Connection of Sensors Front-end board Temperature sensor cable marked with T, Terminal 19 / 20 pH electrode cable marked with pH Reference electrode cable marked with R Sodium electrode cable marked with S A-96.250.211 / 200416…

• Page 46: Instrument Setup

  AMI Sodium P Instrument Setup Instrument Setup 4.1. Install Reagent Bottle CAUTION Formation of reagent vapor To prevent formation of reagent vapors:  close the reagent bottle firmly  check the EPDM seal regularly  install air tubes and filter properly…

• Page 47: Establish Sample Flow

  AMI Sodium P Instrument Setup 4.2. Establish Sample Flow Flow regulating valve Sample inlet Constant head Bottle holder WARNING Risk of water pollution The drain of the Flow cell outlet contains Diisopropylamine (DIPA)  At no means recirculate it into the water system.

• Page 48: Switch On Power

  AMI Sodium P Instrument Setup 4.3. Switch on Power First, the instrument performs a self test, displays the firmware ver- sion and then starts normal operation. 1 Let the instrument run continuously for 1 hour with sample. 4.4. Programming Program all parameters for external devices (interface, recorders, etc.) Program all parameters for instrument operation (limits,…

• Page 49: Operation

  AMI Sodium P Operation Operation 5.1. Keys, Display Keys Exit Enter to exit a menu or command (rejecting any changes) to move back to the previous menu level to move DOWN in a menu list and to decrease digits to move UP in a menu list and to increase digits…

• Page 50
  AMI Sodium P Operation Display 15:20:18 21.5 16.8 10.88 pH 22.1°C normal operation HOLD input closed or cal delay: Instrument on hold (shows status of signal outputs). input closed: Control/limit is interrupted (shows status of signal outputs). ERROR Error Fatal Error…

• Page 51: Software Structure

  AMI Sodium P Operation 5.2. Software Structure Main Menu Messages Diagnostics Maintenance Operation Installation Menu Messages 1 Messages Reveals pending errors as well as an event history Pending Errors (time and state of events that have occurred at an Message List earlier point of time).

• Page 52: Changing Parameters And Values

  AMI Sodium P Operation 5.3. Changing Parameters and Values Changing The following example shows how to change the logger interval: parameters 1 Select the parameter you want to Sensors Logger 5.1.2 4.4.1 change. Sensor type FOME Log interval 30 min 2 Press [Enter] Disinf.

• Page 53: Grab Sample

  AMI Sodium P Operation 5.4. Grab Sample To perform a grab sample measurement proceed as follows: 1 Rinse a standard bottle well and fill it with grab sample.  Do not use closed bottles 2 Screw the grab sample bottle into the standard bottle holder and swing it upwards.

• Page 54: Maintenance

  AMI Sodium P Maintenance Maintenance 6.1. Maintenance Schedule WARNING Stop operation before maintenance.  Stop sample flow.  Shut off power of the instrument.  Check for regular bubble formation. Weekly or  Check level of reagent bottle and replace it if necessary.

• Page 55: Maintenance Of Sodium Electrode

  AMI Sodium P Maintenance 6.3. Maintenance of Sodium Electrode Sodium electrodes are sensitive electrochemical devices with very high internal impedance. To maintain correct operation, make sure that  the sensing glass bulb stays clean  no air bubbles are trapped between glass bulb and glass tube …

• Page 56
  AMI Sodium P Maintenance Mix the etching WARNING solution Health hazard Diluted acidic fluoride solutions are harmful and irritating. Harm- ful if ingested, irritates skin and eyes. Contains less than 0.5% hydrofluoric acid. Contains less than 1% acetic acid. For labora- tory use only.

• Page 57: Maintenance Of Reference Electrode

  AMI Sodium P Maintenance 6.4. Maintenance of Reference Electrode Sensor plug Connector cap Union screw Washer O-ring Ring-shaped sleeve Remove the 1 Unscrew and remove the electrode plug [A]. reference Prevent the connector from getting wet. electrode 2 Put on the connector cap [B] onto the electrode.

• Page 58: Maintenance Of Ph Sensor

  AMI Sodium P Maintenance 6.5. Maintenance of pH Sensor Sensor plug Connector cap Union screw Washer O-ring Clean 1 Unscrew and remove the sensor plug [A]. pH sensor Prevent the connector from getting wet. 2 Put the connector cap [B] onto the sensor.

• Page 59: Maintenance Of Solenoid Valve

  AMI Sodium P Maintenance 6.6. Maintenance of Solenoid Valve NOTICE: Only applicable if 2nd sample stream option is installed. Disassemble The solenoid valve is mounted below the constant head. The sole- noid valve should be disassembled if it does not switch anymore or the solenoid if it is clogged.

• Page 60
  AMI Sodium P Maintenance 4 Loosen the fixing screws of the valve body with a 2.5 mm Allen key (D). NOTICE: The O-rings inside the valve body may stick on the flow cell and fall down if the valve body is removed.

• Page 61: Maintenance Of Flow Cell And Constant Head

  AMI Sodium P Maintenance 6.7. Maintenance of Flow Cell and Constant Head CAUTION Acrylic glass parts are fragile and scratch-sensitive. Possible damage of acrylic glass parts due to scrubbing materi- als.  Never use organic solvents or scrubbing materials to clean acrylic glass parts.

• Page 62: Cleaning The Flow Cell

  AMI Sodium P Maintenance 6.7.1 Cleaning the Flow cell Disassemble 1 Shut off the instrument. the flow cell 2 Close the sample flow main tap. 3 Drain the flow cell [D] completely. 4 Remove all sensors [A]. 5 Remove all tube connections.

• Page 63: Cleaning The Constant Head

  AMI Sodium P Maintenance 6.7.2 Cleaning the Constant Head CAUTION Acrylic glass parts are fragile and scratch-sensitive. Possible damage of acrylic glass parts due to scrubbing materi- als.  Never use organic solvents or scrubbing materials to clean acrylic glass parts.

• Page 64
  AMI Sodium P Maintenance Disassemble The flow cell can be disassembled easily. To disassemble the flow cell proceed as follows: the flow cell 1 Shut off the instrument. 2 Stop sample flow. 3 Drain the constant head completely. 4 Remove the constant head cover [A].

• Page 65: Replace The Air Filter

  AMI Sodium P Maintenance 6.8. Replace the Air Filter Insert the air filter (A) in the holder (B) on the right of the transmitter. Exit Enter A Holder B Air filter To replace the air filter proceed as follows: 1 Pull out the polluted air filter of the holder [A].

• Page 66: Prepare Standard

  AMI Sodium P Maintenance 6.9. Prepare Standard Rinse the standard bottles well with deionized water. Prepare the sodium standards directly in the graduated standard bottles using a precision pipette. Make sure the concentrations are programmed correctly. See Menu 5.1.5, p.

• Page 67: Standard Sodium 1-Point-Calibration

  AMI Sodium P Maintenance 4 Press [Enter]. Process pH 3.1.2.4 Current Value 10.78 pH Offset 0.33 mV Process Value 10.78 pH Save <Enter> 5 Enter the correct value with the Process pH 3.1.2.4 ] or [ ] key. Current Value 10.78 pH…

• Page 68
  AMI Sodium P Maintenance Electrode The instrument guides you through the complete calibration pro- cess. If you have completed the required action press <Enter> to Offset proceed. 1 Dismount electrode and rinse in Standard Sodium 3.1.1.5 deionized water. Unmount Electrode…

• Page 69: 2-Point-Calibration

  AMI Sodium P Maintenance 6.10.3 2-Point-Calibration Electrode 1 Screw standard bottle 2 onto the Standard Sodium 3.1.1.5 Slope holder and swing bottle upwards. Screw standard 2 bottle onto holder and swing bottle upwards <Enter> to continue 2 Wait until the process has finished.

• Page 70: Tube Replacement

  AMI Sodium P Maintenance 6.11. Tube Replacement 6.11.1 Tube Numbering Tube Length [mm] from Air filter [A] Reagent bottle [C] Reagent bottle [C] Flow cell block [B] A-96.250.211 / 200416…

• Page 71: Replace The Reaction Tube

  AMI Sodium P Maintenance 6.11.2 Replace the Reaction Tube Serto fitting nuts Sealing elements Reaction Tube Light protection sleeves Bubble sensor Flow cell cover 1 Release SERTO fitting nuts [A]. 2 Remove the sealing elements [B] from the reaction tube.

• Page 72: Replace The Epdm Seal And The Air Inlet Tube

  AMI Sodium P Maintenance 6.11.3 Replace the EPDM Seal and the Air Inlet Tube WARNING Diisopropylamine is corrosive.  Read the Material Safety Data Sheets (MSDS) first.  Wear suitable protective clothing, gloves and eye/face protec- tion.  Avoid inhalation of DIPA vapor.

• Page 73: Replacing Fuses

  AMI Sodium P Maintenance 6.12. Replacing Fuses WARNING External Voltage. External supplied devices connected to relay 1 or 2 or to the alarm relay can cause electrical shocks.  Make sure that the devices connected to the following con- tacts are disconnected from the power before resuming in- stallation.

• Page 74: Longer Stop Of Operation

  AMI Sodium P Maintenance 6.13. Longer Stop of Operation NOTICE: Store all sensor with tip pointing downwards in a frost- protected room. 1 Shut off the instrument. 2 Stop sample flow. 3 Drain the measuring cell completely. 4 Fill deionized water into the rubber caps of the electrodes.

• Page 75: Error List

  AMI Sodium P Error List Error List Error Non-fatal Error. Indicates an alarm if a programmed value is ex- ceeded. Such Errors are marked E0xx (bold and black). Fatal Error (blinking symbol) Control of dosing devices is interrupted. The indicated measured values are possibly incorrect.

• Page 76: Ph Alarm High

  AMI Sodium P Error List Error Description Corrective action – check process E001 Sodium 1 Alarm high – check programmed value 5.3.1.1/2, p. – check process E002 Sodium 1 Alarm low – check programmed value 5.3.1.1/2, p. – check process (sample pH > 11.5)

• Page 77
  AMI Sodium P Error List Error Description Corrective action – check wiring of temperature sensor E011 Temp. shorted – check temperature sensor – check wiring of temperature sensor E012 Temp. disconnected – check temperature sensor – check case/environment temperature E013 Case Temp.

• Page 78: Program Overview

  AMI Sodium P Program Overview Program Overview For explanations about each parameter of the menus see Program List and Explanations, p. 81  Menu 1 Messages is always accessible for everybody. No password protection. No settings can be modified.  Menu 2 Diagnostics is always accessible for everybody. No password protection.

• Page 79: Diagnostics (Main Menu 2)

  AMI Sodium P Program Overview 8.2. Diagnostics (Main Menu 2) Identification Designation AMI Sodium P * Menu numbers 2.1* Version V6.00 — 11/15 Factory Test Instrument 2.1.3.1* 2.1.3* Motherboard Front End Operating Time Years / Days / Hours / Minutes / Seconds 2.1.4.1*…

• Page 80: Maintenance (Main Menu 3)

  AMI Sodium P Program Overview 8.3. Maintenance (Main Menu 3) Calibration Standard Sodium (Progress) * Menu numbers 3.1* 3.1.1* Process pH Current Value 3.1.2* Offset Process Value 3.1.2.4* Save <Enter> 3.1.2.5* Simulation Alarm Relay 3.2.1* 3.2* Relay 1 3.2.2* Relay 2 3.2.3*…

• Page 81: Operation (Main Menu 4)

  AMI Sodium P Program Overview 8.4. Operation (Main Menu 4) Sensors Filter Time Const. 4.1.1* 4.1* Hold after Cal. 4.1.2* Channel selection 4.1.3* Relay Contacts Alarm Relay Alarm Sodium 1 and 2 Alarm High 4.2.1.x.1* 4.2* 4.2.1* 4.2.1.1* — 4.2.1.2* Alarm Low 4.2.1.x.x*…

• Page 82
  AMI Sodium P Program Overview Relay Contacts Alarm Relay Alarm Sodium 1 and 2 Alarm High 5.3.1.x.1* 5.3* 5.3.1* 5.3.1.1* — 5.3.1.2* Alarm Low 5.3.1.x.x* Hysteresis 5.3.1.x.x* Delay 5.3.1.x.x* Alarm pH Alarm High 5.3.1.3.1* 5.3.1.3* Alarm Low 5.3.1.3.x* Hysteresis 5.3.1.3.x* Delay 5.3.1.3.x*…

• Page 83: Program List And Explanations

  AMI Sodium P Program List and Explanations Program List and Explanations 1 Messages 1.1 Pending Errors 1.1.5 Provides the list of active errors with their status (active, acknowl- edged). If an active error is acknowledged, the alarm relay is active again.

• Page 84
  AMI Sodium P Program List and Explanations 2.2.2.5 Cal. History: Shows the diagnostic values of the last pH electrode calibrations, offset in mV and slope in mV/pH  30 mV Typical offset of pH Electrode 0 mV 59 mV/pH  3 mV/pH Typical slope of pH Electrode 2.2.3…

• Page 85: Maintenance

  AMI Sodium P Program List and Explanations 3 Maintenance 3.1 Calibration In this menu, you can correct measuring values, or calibrate offset and slope of pH electrode. 3.1.1 Standard Sodium: Possibility to correct the sodium sensor value. Follow the commands on the screen. Save the value with the <En- ter>…

• Page 86: Operation

  AMI Sodium P Program List and Explanations 4 Operation 4.1 Sensors 4.1.1 Filter Time Constant: Used to damp noisy signals. The higher the filter time constant, the slower the system reacts to changes of the measured value. Range: 5–300 sec 4.1.2…

• Page 87: Installation

  AMI Sodium P Program List and Explanations 5 Installation 5.1 Sensors Sensor type: Display of the used sensor type.(e.g. Sodium) Temperature: Display of the temperature sensor type. (e.g. NT5K) Flow: Display of the actual sample flow B/s 5.1.4 Channel switch: For single sample stream select NONE.

• Page 88
  AMI Sodium P Program List and Explanations 5.2.1.3 Function: Define if the signal output is used to transmit a process value or to drive a control unit. Available functions are:  Linear, bilinear or logarithmic for process values. As process values, p. 86 …
• Page 89
  AMI Sodium P Program List and Explanations 5.2.1.40 Scaling: Enter beginning and end point (Range low & high) of the linear or logarithmic scale. In addition, the midpoint for the bilinear scale. Parameter Sodium 1 5.2.1.40.10 Range low: 0 ppb–20 ppm 5.2.1.40.20…
• Page 90
  AMI Sodium P Program List and Explanations As control out- Signal outputs can be used for driving control units. We distinguish different kinds of controls:  P-controller: The controller action is proportional to the devia- tion from the setpoint. The controller is characterized by the P-Band.
• Page 91
  AMI Sodium P Program List and Explanations Control upwards/downwards Setpoint: User-defined process value (Measured value or flow) P-Band: Range below (upwards control) or above (downwards control) the set-point, within the dosing intensity is reduced from 100% to 0% to reach the set-point without overshooting.
• Page 92
  AMI Sodium P Program List and Explanations 5.3 Relay Contacts 5.3.1 Alarm Relay: The alarm relay is used as cumulative error indicator. Under normal operating conditions the contact is active. The contact is inactive at:  Power loss  Detection of system faults like defective sensors or electronic parts …
• Page 93
  AMI Sodium P Program List and Explanations 5.3.1.3.25 Alarm Low: If the measured value falls below the alarm low value, the alarm relay is activated and E004 is displayed in the message list Range: 0–14.00 pH 5.3.1.3.35 Hysteresis: Within the hyst. range, the relay does not switch. This…
• Page 94
  AMI Sodium P Program List and Explanations 5.3.1.5 Sample Temperature: Define the measuring value, which should issue an alarm high respectively low. 5.3.1.5.1 Alarm High: If the sample temperature rises above the pro- grammed value E007 is issued. Range: 30–70 °C 5.3.1.5.x…
• Page 95
  AMI Sodium P Program List and Explanations 5.3.2 and 5.3.3 Relay 1 and 2: The contacts can be set as normally open or normally closed with a jumper. See Relay 1 and 2, p. The function of relay contacts 1 or 2 are defined by the user.
• Page 96
  AMI Sodium P Program List and Explanations 5.3.2.400 Hysteresis: within the hysteresis range, the relay does not switch. This prevents damage of relay contacts when the measured value fluctuates around the alarm value. Parameter Range Sodium 1 0–20 ppm Sodium 2 0–20 ppm…
• Page 97
  AMI Sodium P Program List and Explanations 5.3.2.32.1 Actuator = Time proportional Examples of metering devices that are driven time proportional are solenoid valves, peristaltic pumps. Dosing is controlled by the operating time. 5.3.2.32.20 Cycle time: duration of one control cycle (on/off change).
• Page 98
  AMI Sodium P Program List and Explanations 5.3.2.32.4 Control Parameters Range for each Parameter same as 5.2.1.43, p. 89 5.3.2.1 Function = Timer: The relay will be activated repetitively depending on the pro- grammed time scheme. 5.3.2.24 Mode: Operating mode (interval, daily, weekly) 5.3.2.24…
• Page 99
  AMI Sodium P Program List and Explanations 5.3.2.24 daily The relay contact can be activated daily, at any time of a day. 5.3.2.341 Start time: to set the start time proceed as follows: 1 Press [Enter], to set the hours.
• Page 100
  AMI Sodium P Program List and Explanations 5.3.2.1 Function = Channel Selection: If the 2 sample stream option is installed, relay 2 can be used to indicate which channel is selected. No further parameters are needed. Relay 2 inactive: Channel 1 is selected…
• Page 101
  AMI Sodium P Program List and Explanations 5.3.4.4 Fault: No message is issued in pending error list and the alarm relay does not close when input is active. Yes: Message E024 is issued and stored in the mes- sage list. The Alarm relay closes when input is active.
• Page 102
  AMI Sodium P Program List and Explanations 5.4.4 Password: Select a password different from 0000 to prevent unau- thorized access to the following menus: 5.4.4.1 Messages 5.4.4.2 Maintenance 5.4.4.3 Operation 5.4.4.4 Installation. Each menu may be protected by a different password.

• Page 103: Material Safety Data Sheet

  AMI Sodium P Material Safety Data Sheet Material Safety Data Sheet 10.1. Reagents A-87.729.010A Catalogue No.: Etching Kit A Product name: A-87.729.010B Catalogue No.: Etching Kit B Product name: A-85.141.400 Catalogue No.: Sodium Standard Solution 1’000 ppm Product name: 803646 Catalogue No.:…

• Page 104: Default Values

  AMI Sodium P Default Values Default Values Operation: Sensors: Filter Time Const.:…………..180 Sec Hold after Cal.:…………..300 Sec Alarm Relay …………..same as in Installation Signal Output …………..same as in Installation Relay 1 and 2 …………..same as in Installation Input …………..

• Page 105
  AMI Sodium P Default Values pH: Hysteresis: …………..0.10 pH pH: Delay:…………….5 Sec Flow Alarm:…………….. Yes Sample flow.: Alarm High:……….1000 B/s Sample flow.: Alarm Low: …………5 B/s Sample Temp.: Alarm High: …………. 55 °C Sample Temp.: Alarm Low: …………5 °C Case temp.
• Page 106
  AMI Sodium P Default Values Settings: Actuator:……….Time proportional Cycle time: …………….60 s Response time: …………..10 s Settings: Actuator…………Motor valve Run time: …………….60 s Neutral zone: …………….5% If Function = Timer: Mode:………………Interval Interval:…………….. 1 min Mode: ………………

• Page 107: Index

  AMI Sodium P Index Index … . Alarm Logger ..Sample flow Longer Stop of Operation …

• Page 108
  AMI Sodium P Index ..Signal Output ….Signal Outputs Temperature …

• Page 109: Notes

  AMI Sodium P Notes Notes A-96.250.211 / 200416…

• Page 110
  AMI Sodium P SWAN is represented worldwide by subsidiary companies and distributors. cooperates with independent representatives all over the world. SWAN Products Analytical Instruments for: High Purity Water Feedwater, Steam and Condensate Potable Water Pool and Sanitary Water Cooling Water…