Swann AMI-II CACE Degasser Operator's Manual
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Swann AMI-II CACE Degasser Operator's Manual

Swann AMI-II CACE Degasser Operator's Manual

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A-96.210.891 / 040624
AMI-II CACE Degasser
Operator's Manual
AMI-II CACE Degasser

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Summary of Contents for Swann AMI-II CACE Degasser

  • Page 1 A-96.210.891 / 040624 AMI-II CACE Degasser Operator’s Manual AMI-II CACE Degasser...
  • Page 2 Swan Analytische Instrumente AG Studbachstrasse 13 8340 Hinwil Switzerland Internet: www.swan.ch E-mail: support@swan.ch Document Status AMI-II CACE Degasser Operator’s Manual Title: A-96.210.891 Revision Issue June 2024 First edition © 2024, Swan Analytische Instrumente AG, Switzerland, all rights reserved. This manual applies to firmware V1.00 and higher.

  • Page 3: Table Of Contents

    AMI-II CACE Degasser Table of Contents Safety Instructions ..........
  • Page 4 AMI-II CACE Degasser Maintenance ........... 35 6.1.

  • Page 5: Safety Instructions

    AMI-II CACE Degasser Safety Instructions Operator’s Manual This document describes the main steps for instrument setup, opera- tion 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 6: Warning Notices

    AMI-II CACE Degasser Safety Instructions 1.1. Warning Notices The symbols used for safety-related notices have the following meaning: DANGER Your life or physical wellbeing are in serious danger if such warnings are ignored.  Follow the prevention instructions carefully. WARNING Severe injuries or damage to the equipment can occur if such warnings are ignored.
  • Page 7 AMI-II CACE Degasser Safety Instructions Warning signs The warning signs in this manual have the following meaning: Electrical shock hazard Corrosive Harmful to health Flammable General warning Attention A-96.210.891 / 040624...

  • Page 8: General Safety Regulations

    AMI-II CACE Degasser 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 of the instrument. requirements Spare parts Use only official Swan spare parts and disposables. If other parts are used during the normal warranty period, the manufacturer’s warranty...

  • Page 9: Restrictions For Use

    AMI-II CACE Degasser Safety Instructions 1.3. Restrictions for Use The AMI-II CACE Degasser is designed for determination of:  specific (total) conductivity  cation (acid) conductivity after a cation exchanger  degassed conductivity after a sample reboiler in power and industrial plant water.

  • Page 10: Product Description

    Product Description 2.1. Description of the System Application The AMI-II CACE Degasser is a complete monitoring system for the automatic, continuous measurement of the conductivity before (spe- range cific conductivity) and after a cation exchanger (cationic or acid con- ductivity) and the conductivity of the re-boiled sample (degassed conductivity).
  • Page 11 AMI-II CACE Degasser Product Description Relays Two potential-free contacts programmable as limit switches for measured values, controllers or timers with automatic hold function. Maximum load: 100 mA/50 V Alarm relay Two potential-free contacts (one normally open and one normally closed contact). Summary alarm indication for programmable alarm values and instrument faults.
  • Page 12 AMI-II CACE Degasser Product Description Fluidics The sample flows via sample inlet [P] into flow cell 1 [I]. The specific conductivity of the sample is measured with the first conductivity sensor [C]. Then the sample flows through the heat exchanger [O], where it is preheated.
  • Page 13 AMI-II CACE Degasser Product Description Fluidics Note: To visualize the sample flow more clearly, the EDI module overview is shown only schematically. Lateral view X shows the correct positions of the chambers and electrodes. Degassing unit (heater) Deaeration tube Overflow tube...
  • Page 14 AMI-II CACE Degasser Product Description Measuring When a voltage is set between two electrodes in an electrolyte solu- tion, the result is an electric field which exerts force on the charged principle ions: the positively charged cations move towards the negative elec- trode (cathode) and the negatively charged anions towards the posi- tive electrode (anode).

  • Page 15: Instrument Specification

    AMI-II CACE Degasser Product Description 2.2. Instrument Specification Power supply Voltage: 100–240 VAC (±10%) 50 /60 Hz (±5%) DC version not available Power consumption max. 180 W Sample Flow rate: 5–6 l/h Temperature: up to 50 °C requirements Inlet pressure: up to 0.5 bar...
  • Page 16 AMI-II CACE Degasser Product Description Dimensions Panel: stainless steel Dimensions: 400x850x200 mm Screws: 8 mm Weight: 22 kg 400 mm / 15.75" 374 mm / 14.72" A-96.210.891 / 040624...

  • Page 17: Instrument Overview

    AMI-II CACE Degasser Product Description 2.3. Instrument Overview Panel Heat exchanger Transmitter Filter (optional) Specific conductivity sensor Degassing unit (heater) Cation conductivity sensor Overflow tube Degasser controller Distribution block Flow meter Flow cell 1 (sc, cc) Degassed conductivity EDI module...

  • Page 18: Installation

    AMI-II CACE Degasser Installation Installation 3.1. Installation Checklist On-site Voltage: 100–240 VAC (±10%), 50/60 Hz (±5%). Power consumption: 180 W maximum. requirements Protective earth connection required. Sample line with sufficient sample flow and pressure (5–6 l/h, up to 0.5 bar).

  • Page 19: Mounting The Instrument Panel

    AMI-II CACE Degasser Installation 3.2. Mounting the Instrument Panel Mounting Mount the instrument in vertical position. The display should be at eye level to simplify operation and maintenance. requirements The instrument is only intended for indoor installation. For dimensions, see 3.3.

  • Page 20: Connecting Sample And Waste

    AMI-II CACE Degasser Installation 3.4. Connecting Sample and Waste 3.4.1 Stainless Steel Swagelok Fitting at Sample Inlet Preparation Cut the tube to length and deburr it. The tube must be straight and free from blemishes for approximately 1,5 x tube diameter from the end.

  • Page 21: Tubes At Edi Module

    AMI-II CACE Degasser Installation 3.4.2 Tubes at EDI Module 1 Remove the caps [A] from tubes 1B, 2, 3B, 5 and 10. 2 Connect the tubes according to Tube Numbering, p. 3 Keep the caps for later use. A Cap 3.4.3...

  • Page 22: Electrical Connections

    AMI-II CACE Degasser Installation 3.5. Electrical Connections WARNING Risk of electrical shock Failure to follow safety instructions can result in serious injury or death.  Always turn off power before manipulating electric parts.  Do not connect the instrument to power unless the ground wire (PE) is connected.

  • Page 23: Connection Diagram

    AMI-II CACE Degasser Installation 3.5.1 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-96.210.891 / 040624...

  • Page 24: Power Supply

     Mains cable to comply with standards IEC 60227 or IEC requirements 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-II CACE Degasser A-96.210.891 / 040624...

  • Page 25: Relay Contacts

    AMI-II CACE Degasser Installation 3.6. Relay Contacts 3.6.1 Input Use only potential-free (dry) contacts. Terminals: 39/40 3.6.2 Alarm Relay Two alarm outputs for system errors.  Normally closed contact (terminals: 22/23): Active (opened) when no error is present. Inactive (closed) on error and loss of power.

  • Page 26: Interface Options

    AMI-II CACE Degasser Installation 3.8. Interface Options AMI-II transmitter SD card slot Cable grommet Screw terminals Frontend Communication option The slot for interfaces can be used to expand the functionality of the AMI-II transmitter with either:  Two additional signal outputs ...

  • Page 27: Signal Outputs 3 And 4

    AMI-II CACE Degasser Installation 3.8.1 Signal Outputs 3 and 4 Max. burden 510 Ω. If signals are sent to two different receivers, use signal isolator (loop isolator). Signal output 3: terminals 71 (+) and 70 (-). Signal output 4: terminals 73 (+) and 72 (-).

  • Page 28: Hart

    AMI-II CACE Degasser Installation 3.8.3 HART Terminals 71 (+) and 70 (-). A-96.210.891 / 040624...

  • Page 29: Instrument Setup

    AMI-II CACE Degasser Instrument Setup Instrument Setup 4.1. Establish Sample Flow 1 Open the sample tap. 2 Check inlet pressure. 3 Switch on power. 4 Wait until the instrument is filled with water. 5 Switch on the degassing unit in menu Installation > Sensors >...

  • Page 30: Operation

    AMI-II CACE Degasser Operation Operation 5.1. Keys 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 31: Display

    AMI-II CACE Degasser Operation 5.2. Display 15:20:18 15.6 µS 0.434 µS 0.096 µS 5.5 l/h 21.8°C 23.8°C Normal operation HOLD Input active or cal delay: Instrument on hold (shows status of signal outputs). Input active: Signal outputs go to 4 mA.
  • Page 32 AMI-II CACE Degasser Operation Switching Toggle between screens 1 and 2 using the key. between Example of screen 1: screens 15:20:18 15.6 μS 0.434 μS 0.096 μS 5.7 l/h 20.6°C 23.9°C Example of screen 2: 15:20:18 15.6 μS 5.7 l/h 20.6°C...

  • Page 33: Software Structure

    AMI-II CACE Degasser Operation 5.3. Software Structure Main Menu Messages Diagnostics Maintenance Operation Installation Menu Messages 1 Messages Shows pending errors as well as the event history Pending Errors (time and state of events that have occurred at an Maintenance List earlier point of time).

  • Page 34: Changing Parameters And Values

    AMI-II CACE Degasser Operation 5.4. 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 35: Maintenance

    AMI-II CACE Degasser Maintenance Maintenance 6.1. Maintenance Schedule  Check sample flow. Monthly  Check inlet pressure.  Clean conductivity sensors. As needed  Replace inlet filter (if installed).  Perform a verification measurement. 6.2. Stop of Operation for Maintenance 1 Stop sample flow.

  • Page 36: Maintenance Of The Sensor

    AMI-II CACE Degasser Maintenance 6.3. Maintenance of the Sensor Conductivity sensor Security pin unlocked Locking screw open Security pin locked Alignment marks Locking screw closed 6.3.1 Remove the Sensor from the Flow Cell To remove the sensor form the flow cell proceed as follows: 1 Press the security pin [B] down.

  • Page 37: Replacing The Inlet Filter

    AMI-II CACE Degasser Maintenance 6.4. Replacing the Inlet Filter When to The filter must be replaced if the sample flow through the filter is too low. Error message E010 "Sample flow low" can be used as an indi- replace the cator.

  • Page 38: Verification

    AMI-II CACE Degasser Maintenance 6.5. Verification The values measured by AMI-II CACE Degasser can be verified with an AMI Inspector Conductivity. Connection is made using an optional adapter kit. Contents of the The adapter kit contains the following items: adapter kit M6 to M6 connector ¼...
  • Page 39 AMI-II CACE Degasser Maintenance Sample inlet at AMI Inspector 1 Insert the compression ferrule [D] and the compression cone [C] into the union nut [F]. 2 Screw the union nut onto the body, do not tighten it. 3 Push the adapter [E] through the union nut as far as it reaches the stop of the body.

  • Page 40: Specific Conductivity

    Maintenance 6.5.1 Specific Conductivity Connecting the 1 Stop sample flow to the AMI-II CACE Degasser by closing the corresponding valve (e.g. on the Back Pressure Regulator). instruments 2 Connect the two instruments as shown on 3 Connect the sample outlet of the AMI Inspector to the waste.
  • Page 41 • With this measurement setup, no sample flow will be detected by the AMI-II CACE Degasser and a flow error will be issued. This has no influence on the measured value. A-96.210.891 / 040624...

  • Page 42: Cation Conductivity

    Maintenance 6.5.2 Cation Conductivity Connecting the 1 Stop sample flow to the AMI-II CACE Degasser by closing the corresponding valve (e.g. on the Back Pressure Regulator). instruments 2 Connect the two instruments as shown on 3 Connect the sample outlet of the AMI Inspector to the waste.
  • Page 43 AMI-II CACE Degasser Maintenance Tubing M6 to M6 connector Flow cell of AMI Inspector Blind plug Flow regulating valve Flow cell 1 of AMI-II CACE 170 cm FEP tube Degasser Waste Note: • Since no water flows through the electrode chambers, the instrument should not be operated for more than four hours with this measurement setup.

  • Page 44: Degassed Conductivity

    Maintenance 6.5.3 Degassed Conductivity Connecting the 1 Stop sample flow to the AMI-II CACE Degasser by closing the corresponding valve (e.g. on the Back Pressure Regulator). instruments 2 Connect the two instruments as shown on 3 Connect the sample outlet of the AMI Inspector to the waste.
  • Page 45 AMI-II CACE Degasser Maintenance Tubing M6 to M6 connector Flow regulating valve Blind plug 170 cm FEP tube Flow cell 1 of AMI-II CACE Flow cell 2 of AMI-II CACE Degasser Degasser Flow cell of AMI Inspector Waste Note: • The flow meter of the AMI Inspector is not able to measure the low sample flow coming from the degassing unit.
  • Page 46 AMI-II CACE Degasser Maintenance Completion 1 Stop the sample flow to the AMI-II CACE Degasser by closing the appropriate valve, e.g. on the Back Pressure Regulator. of the mea- surement 2 Close the flow regulating valve of the AMI Inspector.

  • Page 47: Longer Stop Of Operation

    AMI-II CACE Degasser Maintenance 6.6. Longer Stop of Operation If the instrument is going to be out of use for an extended period of time (2 months or more), proceed as follows: 1 Stop sample flow. 2 Unscrew tube 1B from the heat exchanger.

  • Page 48: Troubleshooting

    AMI-II CACE Degasser Troubleshooting Troubleshooting This chapter provides some hints to make troubleshooting easier. For information on how to handle/clean parts refer to Maintenance, For information on how to program the instrument refer to Program List and Explanations, p. If you need help please contact your local distributor. Note serial number of instrument and all diagnostic values before.

  • Page 49: Error List

    AMI-II CACE Degasser Troubleshooting 7.1. Error List Two categories of messages are distinguished: Non-fatal error Non-fatal instrument error or exceeding of a programmed limit value. Such errors are marked E0xx (bold and black) in the following list. Fatal error (flashing symbol) Fatal instrument error.
  • Page 50 AMI-II CACE Degasser Troubleshooting Error Description Corrective action – Check process. E001 Cond. 1 Alarm high – Check programmed value. – Check process. E002 Cond. 1 Alarm low – Check programmed value. – Check process. E003 Cond. 2 Alarm high –...
  • Page 51 AMI-II CACE Degasser Troubleshooting Error Description Corrective action – Check process. E015 pH Calculation undef. (pH out of range, i.e <7.5 – Check if conditions for pH calculation are or >11.5) met. – Write down the error code shown in the...
  • Page 52 AMI-II CACE Degasser Troubleshooting Error Description Corrective action – Check process. E034 pH Alarm low – Check programmed value. – Check process. E035 Alk. Alarm high – Check programmed value. – Check process. E036 Alk. Alarm low – Check programmed value.
  • Page 53 AMI-II CACE Degasser Troubleshooting Error Description Corrective action – Replace EDI module. E047 EDI module worn out – None, normal status. E049 Power-on – None, normal status. E050 Power-down – Replace EDI module. E065 EDI module exhausted A-96.210.891 / 040624...

  • Page 54: Replacing The Edi Module

    AMI-II CACE Degasser Troubleshooting 7.2. Replacing the EDI Module When to The EDI module should be replaced or serviced when error message E047 is displayed. This error message appears if the voltage of the replace the EDI module exceeds the maximum permissible value of 8 volts for EDI module an extended period of time.
  • Page 55 AMI-II CACE Degasser Troubleshooting Unmounting To unmount the EDI module, unscrew screws [A] and [D] and the upper ends of tubes [1], [2] and [3]. the EDI module Top screws (2x) Holder EDI module Bottom screw A-96.210.891 / 040624...

  • Page 56: Tube Numbering

    AMI-II CACE Degasser Troubleshooting 7.3. Tube Numbering Note: To replace tube no. 10, the EDI module needs to be unmounted. • Proceed according to Replacing the EDI module, p. 54 select “no” at the end of the procedure. A-96.210.891 / 040624...

  • Page 57: Replacing Fuses

    AMI-II CACE Degasser Troubleshooting 7.4. Replacing Fuses When a fuse has blown, find out the cause and fix it before replace- ment. Use tweezers or needle-nosed pliers to remove the defective fuse. Use original fuses provided by Swan only. transmitter A 0.8 AT/250V Instrument power supply...

  • Page 58: Program Overview

    AMI-II CACE Degasser Program Overview Program Overview Explanations of each parameter in the menus can be found in chapter Program List and Explanations, p. 64  Menu 1 Messages informs about pending errors and mainte- nance tasks and shows the error history. Password protection possible.

  • Page 59: Diagnostics (Main Menu 2)

    AMI-II CACE Degasser Program Overview 8.2. Diagnostics (Main Menu 2) Identification * Menu numbers Designation 2.1* Version Degasser Factory Test 2.1.4.1* Motherboard 2.1.4* Front End Degasser Operating Time 2.1.5.1* Years, days, hours, minutes, seconds 2.1.5* Sensors Conductivity Sensor 1 2.2.1.1.1* Current value 2.2*...

  • Page 60: Maintenance (Main Menu 3)

    AMI-II CACE Degasser Program Overview Sample 2.3.1* * Menu numbers Sample ID 2.3* Sample Flow 2.3.2.1* Sample Flow 2.3.2* Raw value Sample Temp. Temp.1 2.3.3.1* 2.3.3* (Pt1000) Temp.2 (Pt1000) Temp.3 (Pt1000) I/O State Relays 2.4.1.1* Alarm Relay 2.4* 2.4.1* Relay 1/2...

  • Page 61: Operation (Main Menu 4)

    AMI-II CACE Degasser Program Overview 8.4. Operation (Main Menu 4) Sensors 4.1.1* * Menu numbers Filter Time Const. 4.10* Hold after Cal 4.1.2* Relay Contacts Alarm Relay Cond. 1 (sc) 4.2.1.1.1* Alarm High 4.2* 4.2.1* 4.2.1.1* 4.2.1.1.25* Alarm Low 4.2.1.1.35* Hysteresis 4.2.1.1.45*...

  • Page 62: Installation (Main Menu 5)

    AMI-II CACE Degasser Program Overview 8.5. Installation (Main Menu 5) Sensors Miscellaneous 5.1.1.1* * Menu numbers Calculations 5.1* 5.1.1* 5.1.1.2* Maes. unit Sensor parameters Sensor 1 5.1.2.1.1* Cell Constant 5.1.2* 5.1.2.1* 5.1.2.1.2* Temp. Corr. 5.1.2.1.3* Cable length Temp. comp. Comp.
  • Page 63 AMI-II CACE Degasser Program Overview Sample Temp. Temp. 1 Alarm High 5.3.1.2* 5.3.1.2.1* Alarm Low Temp. 2 Alarm High 5.3.1.2.2* Alarm Low Temp. 3 Alarm High 5.3.1.2.3* Alarm Low Case Temp. 5.3.1.4.1* Alarm High 5.3.1.4* 5.3.1.4.2* Alarm low Relay 1/2 5.3.2.1/ 5.3.3.1*...

  • Page 64: Program List And Explanations

    AMI-II CACE Degasser 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). When all active errors have been acknowledged, the alarm relay is active again. Cleared errors are moved to the message list.
  • Page 65 AMI-II CACE Degasser Program List and Explanations 2.2.3 EDI: 2.2.3.1 Actual current: Current in mA applied to the EDI module. Actual voltage: Resulting voltage in mV. Total current: Amount of electric charge in Ah since the last exchange of the EDI module.
  • Page 66 AMI-II CACE Degasser Program List and Explanations 2.3 Sample 2.3.1 Sample ID: Shows the ID used to identify the location of the sample. 2.3.2 Sample Flow: Shows the current sample flow in l/h and the raw value in Hz. 2.3.3 Sample Temp: 2.3.3.1...
  • Page 67 AMI-II CACE Degasser Program List and Explanations 3 Maintenance 3.1 Simulation To simulate a value or a relay state, select  alarm relay  relay 1 and 2  signal outputs 1 and 2  signal outputs 3 and 4 (if option is installed) Change the value or state of the selected item with the arrow keys.
  • Page 68 AMI-II CACE Degasser 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 69 AMI-II CACE Degasser Program List and Explanations 4.4 Display Process values are displayed on two screens. Toggle screens with key. Each screen displays a maximum of three process val- ues. 4.4.1 Screen 1: 4.4.1.1 Row 1 4.4.1.2 Row 2 4.4.1.3...
  • Page 70 AMI-II CACE Degasser Program List and Explanations 5 Installation 5.1 Sensors 5.1.1 Miscellaneous: 5.1.1.1 Calculations: Select “yes” if pH and ammonia concentrations should be calculated. Subsequently, pH and ammonia are available on screen 1 or 2, on the signal outputs and as alarm or limit values.
  • Page 71 AMI-II CACE Degasser Program List and Explanations 5.1.2.3.5 Temp. comp: 5.1.2.2.3.1 Comp.: Available compensation models:  Strong acids 5.1.2.4 Degasser: 5.1.2.4.1 Mode: on, off, input  On: The degasser is switched on.  Off: The degasser is switched off.  Input: The degasser can be switched on or off via relay input.
  • Page 72 AMI-II CACE Degasser Program List and Explanations 5.2 Signal Outputs Note: The navigation in the menus Signal Output 1 and Signal Output 2 is equal. For reason of simplicity only the menu numbers of Signal Output 1 are used in the following.
  • Page 73 AMI-II CACE Degasser Program List and Explanations 5.2.1.3 Function: Define if the signal output is used to transmit a process val- ue or to drive a control unit. Available functions are:  Linear, bilinear, logarithmic or hyperbolic for process values.
  • Page 74 AMI-II CACE Degasser Program List and Explanations 5.2.1.40 Scaling: Enter beginning and end point (range low and high) of the linear or logarithmic scale. In addition, the midpoint for the bilinear scale. Parameters Cond. 1 (sc), Cond. 2 (cc) and Cond. 3 (dc): 5.2.1.40.10...
  • Page 75 AMI-II CACE Degasser Program List and Explanations As control Signal outputs can be used for driving control units. We distinguish different kinds of controls: output  P-controller: The controller action is proportional to the devia- tion from the setpoint. The controller is characterized by the P- Band.

  • Page 76: Settings: Control Parameters: Setpoint

    AMI-II CACE Degasser Program List and Explanations Control upwards or downwards Setpoint: User-defined process value for the selected parameter. P-Band: Range below (upwards control) or above (downwards control) the setpoint, within the dosing intensity is reduced from 100% to 0% to reach the setpoint without overshooting.
  • Page 77 AMI-II CACE Degasser Program List and Explanations 5.2.1.43.3 Reset time: The reset time is the time till the step response of a sin- gle I-controller will reach the same value as it will be suddenly reached by a P-controller. Range: 0–9’000 sec 5.2.1.43.4...
  • Page 78 AMI-II CACE Degasser Program List and Explanations 5.3.1.1.1.25 Alarm Low: If the measured value falls below the alarm low value, the alarm relay is activated and E002 is displayed in the message list. Range: 0 –3000 µS 5.3.1.1.1.35 Hysteresis: Within the hyst. range, the relay does not switch. This prevents damage of relays contacts when the measured value fluctu- ates around the alarm value.
  • Page 79 AMI-II CACE Degasser Program List and Explanations 5.3.1.1.3.45 Delay: Duration, the activation of the alarm relay is retarded after the measured value has risen above/fallen below the programmed alarm. Range: 0–28‘800 Sec 5.3.1.1.4 pH (if Calculations = yes) 5.3.1.1.4.1 Alarm High: If the measured value rises above the alarm high value, the alarm relay is activated and E033, is displayed in the message list.
  • Page 80 AMI-II CACE Degasser Program List and Explanations 5.3.1.2.1.25 Alarm Low: If the measured value falls below the alarm low value, the alarm relay is activated and E008 is displayed in the message list. Range: -10 to + 20 °C 5.3.1.2.2 Temp.
  • Page 81 AMI-II CACE Degasser Program List and Explanations 5.3.2 and 5.3.3 Relay 1 and 2: The function of relay contacts 1 or 2 is defined by the user. Note: The navigation in the menus Relay 1 and Relay 2 is equal.
  • Page 82 AMI-II CACE Degasser Program List and Explanations 5.3.2.1 Function = Limit upper/lower: If the relays are used as upper or lower limit switches, program the following: 5.3.2.20 Parameter: select a process value 5.3.2.300 Setpoint: If the measured value rises above respectively falls below the set-point, the relay is activated.

  • Page 83: Cycle Time

    AMI-II CACE Degasser Program List and Explanations 5.3.2.1 Function = Control upwards/downwards: The relays can be used to drive control units such as solenoid valves or membrane dosing pumps. 5.3.2.22 Parameter: Choose on of the following process values.  Cond.1 (sc) ...

  • Page 84: Interval

    AMI-II CACE Degasser Program List and Explanations 5.3.2.32.1 Actuator = Frequency Examples of metering devices that are pulse frequency driven are the classic membrane pumps with a potential free triggering input. Dosing is controlled by the repetition speed of dosing shots.

  • Page 85: Start Time

    AMI-II CACE Degasser 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: tart time: to set the start time proceed as follows: 1 Press [Enter], to set the hours.

  • Page 86: Calendar; Start Time

    AMI-II CACE Degasser Program List and Explanations 5.3.2.24 weekly The relay contact can be activated at one or several days of a week. The daily starting time is valid for all days. 5.3.2.342 Calendar: 5.3.2.342.1 Start time: The programmed start time is valid for each of the pro- grammed days.
  • Page 87 AMI-II CACE Degasser 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. Message E024 is stored in the message list. Message E024 is issued and stored in the message Yes: list.

  • Page 88: Set Default

    AMI-II CACE Degasser Program List and Explanations 5.4 Miscellaneous 5.4.1 Language: Set the required language. The choice of languages depends on the installed language pack:  LP0 (Europe-1): German, English, French, Spanish, Italian  LP1 (Asia-1): Chinese, English 5.4.2 Set defaults: Reset the instrument to factory default values in three different ways: ...
  • Page 89 AMI-II CACE Degasser Program List and Explanations 5.5 Interface Select one of the following communication protocols. Depending on your selection, different parameters must be defined. 5.5.1 Protocol: Profibus 5.5.20 Device address: Range: 0–126 5.5.30 ID no.: Range: Analyzer; Manufacturer; Multivariable 5.5.40...

  • Page 90: Default Values

    AMI-II CACE Degasser Default Values Default Values Operation Sensors: Filter Time Const.: ................20 s Hold after Cal.:................0 s Relay Contacts Alarm Relay .............same as in Installation Relay 1/2............same as in Installation Input..............same as in Installation Logger: Logger Interval:................ 30 min Clear Logger:..................
  • Page 91 AMI-II CACE Degasser Default Values Sample Temp: (Temp. 1, Temp. 2, Temp. 3) Alarm High: ................160 °C Alarm Low:................... 0 °C Case temp. high:................ 65 °C Case temp. low: ................0 °C Relay 1/2 Function: ................limit upper Parameter: .................Cond 1(sc) Setpoint:.................1000 µS...
  • Page 92 AMI-II CACE Degasser Default Values Load firmware:................no Password:..............for all modes 0000 Sample ID:................- - - - - - - - A-96.210.891 / 040624...

  • Page 93: Appendix: Startup After Maintenance Of Power Plant

    Degasser can be temporarily operated with a setup that measures only the specific conductivity. Note: With this measurement setup, no sample flow will be detected by the AMI-II CACE Degasser and a flow error will be issued. This has no influence on the measured value. Procedure 1 Unscrew the upper ends of tubes 1 and 5.
  • Page 94 AMI-II CACE Degasser A-96.210.891 / 040624...
  • Page 95 AMI-II CACE Degasser A-96.210.891 / 040624...
  • Page 96 Swan Products - Analytical Instruments for: Swan is represented worldwide by subsidiary companies and distributors and cooperates with independent representatives all over the world. For contact in- formation, please scan the QR code. Swan Analytical Instruments ∙ CH-8340 Hinwil www.swan.ch ∙ swan@swan.ch AMI-II CACE Degasser...

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