Endress+Hauser Liquiline CM442 Operating Instructions Manual
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Endress+Hauser Liquiline CM442 Operating Instructions Manual

Universal four-wire multichannel controller
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Operating Instructions
Liquiline CM442
Universal four-wire multichannel controller
Operation & settings
BA450C/07/EN/13.10
71124075
Valid as of:
Software version 01.02.00

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Summary of Contents for Endress+Hauser Liquiline CM442

  • Page 1 Operating Instructions Liquiline CM442 Universal four-wire multichannel controller Operation & settings BA450C/07/EN/13.10 71124075 Valid as of: Software version 01.02.00...
  • Page 2 Operation concept a0012790-en a0012791-en Fig. 1: Pressing the soft key: selecting the menu directly Fig. 2: Turning the navigator: moving the cursor in the menu a0012792-en a0012793-en Fig. 3: Pressing the navigator: launching a function Fig. 4: Turning the navigator: selecting a value (e.g. from a list) a0012794-en a0012795-en Fig.

  • Page 3: Table Of Contents

    11.1 Basic settings ..... . 89 11.2 Extended setup ....90 Endress+Hauser...

  • Page 4: About This Manual

    This manual does not include the following: • Setup/General settings --> Operating Instructions BA444C "Commissioning" • Display/Operation --> Operating Instructions BA444C "Commissioning" • Calibration --> Operating Instructions BA451C "Calibration" • Diagnostics --> Operating Instructions BA445C "Maintenance & Diagnostics" • Expert --> Internal Service Manual Endress+Hauser...

  • Page 5: General Settings

    Month (two-digit): 01 to 12 Year (four-digit): 1970 to 2106 Set time Depends on the format Editing mode: hh (hour): 00 to 23 / 0 am to 12 pm mm (minutes): 00 to 59 ss (seconds): 00 to 59 Endress+Hauser...

  • Page 6: Automatic Hold

    Diagnostics menu • Enabled Factory setting Disabled Calibration menu Factory setting Enabled Hold delay 0 to 600 s The hold is maintained for the duration of the delay time when you switch to the measuring mode. Factory setting Endress+Hauser...

  • Page 7: Logbooks

    Logbook name Customized text, 20 characters Source of data Options Select the input that should be the data source of the logbook • None entries. • Channel 1 • Channel 2 • Controller 1 • Controller 2 Factory setting None Endress+Hauser...
  • Page 8 Factory setting Line plotter Menu to define the graphic display Axes Options Should the axes (x, y) be displayed (On) or not (Off)? • Off • On Factory setting Orientation Options • Horizontal • Vertical Factory setting Horizontal Endress+Hauser...

  • Page 9: Extended Setup

    Path: ... /Extended setup/Diagnostics settings/Diag. behavior Function Options Info List of diagnostic messages Select the message to be changed. Only then can you make the settings for this message. Endress+Hauser...
  • Page 10 If Multidrop is active (Bus address > 0), the current at current output 1 is always set to 4 mA. Here, it does not matter what function has been assigned to the output (measured value/controller etc.). Current simulation is no longer possible. Endress+Hauser...
  • Page 11 • Restoring a tried-and-tested setup, e.g. if you have changed a lot of settings and no longer know what the original settings were Insert the SD card into the controller card reader. Go to: Menu/Setup/General settings/Extended setup/Data management/Save setup. Assign a file name (Name). Then select "Save". Endress+Hauser...
  • Page 12 Install the hardware or load the new software. Go to: Menu/Setup/General settings/Extended setup/Data management/Activation code. Enter the activation code which you received with the hardware or software. Then select "Confirm". --> Your new hardware or software is now activated and you can now be configured. Endress+Hauser...

  • Page 13: Information On Sensors With The Memosens Protocol

    The amperometric oxygen sensor COS51D cannot be sterilized. For this reason, you will not be able to define limit values for sterilization in the diagnostics settings for this sensor. On the other hand, these menu items are displayed for a sterilizable amperometric sensor, such as COS22D. Endress+Hauser...

  • Page 14: Inputs: General

    • It is also possible to save a setup and transfer it to another device (see "Data management" in the "General settings" section). This function might be a better option than performing a configuration when a sensor is not connected. Endress+Hauser...

  • Page 15: Inputs: Ph/Orp

    The damping causes a floating average curve of the measured values over the time specified. Path: Menu/Setup/Inputs/<Sensor type> Function Options Info Damping <Sensor type> 0 to 300 s You specify the damping of the main measured value of the connected sensor and that of the integrated temperature Factory setting Damping temp. sensor. Endress+Hauser...

  • Page 16: Extended Setup

    You can balance out this effect with the "Medium compensation" function. Internal buffer pH 0 to 14 Only change the value if you are using a sensor with an (only pH glass) internal buffer other than pH 7. Factory setting pH 7.00 Endress+Hauser...
  • Page 17 You define the cleaning programs in the "Setup/Additional functions/Cleaning" menu. 5.2.4 Calibration settings Stability criteria You define the permitted measured value fluctuation which must not be exceeded in a certain timeframe during calibration. If the permitted difference is exceeded, calibration is not permitted and is aborted automatically. Endress+Hauser...
  • Page 18 • Manual Automatic (only pH glass) Factory setting The device recognizes the buffer automatically. The Fixed recognition depends on the setting for "Buffer manufacturer". Manual You enter any two buffer values. These must differ in terms of their pH value. Endress+Hauser...
  • Page 19 Options Info Buffer manufacturer Options Temperature tables are stored internally in the unit for the • Endress+Hauser following pH values: • Ingold/Mettler • Endress+Hauser • DIN 19266 2,00 / 4,00 / 7,00 / (9,00) / 9,20 / 10,00 / 12,00 •...
  • Page 20 Diagnostics code and associated message text: 1600 MΩ 125 "Sensor glass" Lower warning limit Factory setting Diagnostics code and associated message text: 1 MΩ 123 "Sensor glass" Lower alarm limit Factory setting Diagnostics code and associated message text: 0 MΩ 122 "Sensor glass" Endress+Hauser...
  • Page 21 The main reasons for a deteriorating electrode status are: • Glass membrane blocked or dry • Diaphragm (reference) blocked Remedial action ► Clean or regenerate the sensor. ► Replace the sensor if this does not have the desired effect. Endress+Hauser...
  • Page 22 Specify your limit values for monitoring the measured value. Upper warning limit Factory setting Diagnostics code and associated message text: 900 mV 942 "Process value" Lower warning limit Factory setting Diagnostics code and associated message text: -900 mV 943 "Process value" Endress+Hauser...
  • Page 23 Diagnostics code and associated message text: 904 "Process check" Function Options • On • Off Factory setting Duration 1 to 240 min The measured value must change during this time. Otherwise the error message is triggered. Factory setting 60 min Endress+Hauser...
  • Page 24 199 "Operating time" Operation > 80°C Warning limit Factory setting Diagnostics code and associated message text: 10000 h 193 "Operating time" Operation > 100°C Warning limit Factory setting Diagnostics code and associated message text: 10000 h 194 "Operating time" Endress+Hauser...
  • Page 25 Path: Menu/Setup/Inputs/pH/Extended setup/Diagnostics settings Function Options Info Delta zero point (pH glass) pH glass Specify your limit values for monitoring the zero point or Delta operating point (pH pH 0.00 to 2.00 operating point differential. ISFET) pH ISFET 0 to 950 mV Endress+Hauser...
  • Page 26 Path: ... /Extended setup/Diagnostics settings/Diag. behavior Function Options Info List of diagnostic messages Select the message to be changed. Only then can you make the settings for this message. Diag. code Read only Endress+Hauser...
  • Page 27 5.2.6 Tag control With this function, you specify which sensors are accepted at your device Path: Menu/Setup/Inputs/<Sensor type>/Extended setup Function Options Info Tag control Additional information on the display: tag control currently used Endress+Hauser...
  • Page 28 Here you can restore the factory settings for the sensor input. For this purpose, simply press the navigator button and select "OK" when the prompt for the device software appears. Only the factory settings for this particular input are restored. All other settings remain unchanged. Endress+Hauser...

  • Page 29: Inputs: Conductivity

    Factory setting Damping temp. sensor. 6.1.3 Manual hold Path: Menu/Setup/Inputs/<Sensor type> Function Options Info Manual hold Options • On You can use this function to set the channel manually to • Off "Hold". Factory setting No hold Endress+Hauser...
  • Page 30 If distances from the wall are smaller, the installation factor is bigger for electrically insulating pipes (f >1), and smaller for electrically conductive pipes (f < 1). It can be measured using calibration solutions, or a close approximation determined from the following diagram. Endress+Hauser...
  • Page 31 NaOH 0..15% Temp. comp. mode Options Only select "without temp. comp" in very small temperature (Operating • with temp. comp ranges. mode=Concentration) • without temp. comp In all other cases, select "with temp. comp". Factory setting with temp. comp Endress+Hauser...
  • Page 32 Since there are no options for concentration measurement, (Operating mode=Resistance) • mS/cm / MΩcm this function is not displayed for such measurements. • S/cm / kΩcm • μS/m / kΩm • mS/m / Ωm • S/m / Ωcm Factory setting Auto / Auto Endress+Hauser...
  • Page 33 (23.0 to 212.0 ˚F) temperature-compensated conductivity Factory setting The alpha coefficients and alpha reference temperatures of 25.0 ˚C (77.0 ˚F) Endress+Hauser calibration solutions can be found in the documentation enclosed. Temp. source Options Decide how you want to compensate the medium •...
  • Page 34 • Conductivity You specify the temperature, conductivity and • Coeff. Alpha uncompensated conductivity. Recommended for large measuring ranges and small measured values. Factory setting Coeff. Alpha Conductivity As the value pairs, you specify an alpha value and the related temperature. Endress+Hauser...

  • Page 35: Extended Setup

    • A diagnostics message is present at the channel and • Cleaning 2 • A cleaning process has been specified for this message • Cleaning 3 (--> "Inputs/Diagnostics settings/Diag. behavior"). • Cleaning 4 Factory setting None You define the cleaning programs in the "Setup/Additional functions/Cleaning" menu. Endress+Hauser...
  • Page 36 ► Switch off the controller and switch it back on again. Path: Menu/Setup/Inputs/<Sensor type>/Extended setup/Diagnostics settings Function Options Info Process Check System Diagnostics code and associated message text: 904 "Process check" Function Options • On • Off Factory setting Endress+Hauser...
  • Page 37 Operation > 80°C Warning limit Factory setting Diagnostics code and associated message text: 10000 h 193 "Operating time" Operation > 120°C Only conductive sensors Warning limit Factory setting Diagnostics code and associated message text: 10000 h 195 "Operating time" Endress+Hauser...
  • Page 38 This branch, along with the same functions, can be found in different "Extended setup" menus. The list of diagnostic messages displayed depends on the path selected. There are device-specific messages, and messages that depend on what sensor is connected. Endress+Hauser...
  • Page 39 You can define the cleaning programs under: • Cleaning 2 Menu/Setup/Additional functions/Cleaning. • Cleaning 3 • Cleaning 4 Factory setting None Detail information Read only Here you can find more information on the diagnostic message and instructions on how to resolve the problem. Endress+Hauser...
  • Page 40 Factory setting measuring point, and only accepts the sensors that have the EH_CM44_ same tag. Group Numerical Factory setting "Tag" stands for the name of a measuring point, and is used in many areas of process measuring technology. Endress+Hauser...
  • Page 41 Here you can restore the sensor factory settings. For this purpose, simply press the navigator button and select "OK" when the prompt for the device software appears. Only the factory settings for the sensor are restored. The settings for the input remain unchanged. Endress+Hauser...

  • Page 42: Inputs: Oxygen

    The damping causes a floating average curve of the measured values over the time specified. Path: Menu/Setup/Inputs/<Sensor type> Function Options Info Damping <Sensor type> 0 to 300 s You specify the damping of the main measured value of the connected sensor and that of the integrated temperature Factory setting Damping temp. sensor. Endress+Hauser...

  • Page 43: Extended Setup

    Path: Menu/Setup/Inputs/DO/Extended setup Function Options Info Temp. compensation Options Decide how you want to compensate the medium • Automatic temperature: • Manual • Automatically using the temperature sensor of your sensor Factory setting • Manually by entering the medium temperature Automatic Endress+Hauser...
  • Page 44 Specify the number of decimal places for displaying the main • #.# measured value. • #.## • #.### • # Factory setting 7.2.3 Medium compensation (in the process) Path: Menu/Setup/Inputs/DO/Extended setup Function Options Info Medium pressure Options • Process pressure • Air pressure Factory setting Air pressure Endress+Hauser...
  • Page 45 You define the cleaning programs in the "Setup/Additional functions/Cleaning" menu. 7.2.5 Calibration settings Stability criteria You define the permitted measured value fluctuation which must not be exceeded in a certain timeframe during calibration. If the permitted difference is exceeded, calibration is not permitted and is aborted automatically. Endress+Hauser...
  • Page 46 The pressure is then 500 to 1200 hPa independent of the altitude. Medium pressure="Process pressure" 500 to 9999 hPa Factory setting 1013 hPa Rel. hum. (air variable) 0 ... 100 % Factory setting 100 % Endress+Hauser...
  • Page 47 The associated diagnostics code is displayed for every setting. Slope The (relative) slope characterizes the sensor condition. Decreasing values indicate electrolyte exhaustion. You can control when the electrolyte should be replaced by specifying limit values and the diagnostics messages these limit values trigger. Endress+Hauser...
  • Page 48 Path: Menu/Setup/Inputs/DO/Extended setup/Diagnostics settings Function Options Info Zero point 0.0 to 10.0 nA Specify the limit values for zero point monitoring in your sensor. Warning limit Factory setting Diagnostics code and associated message text: 3.0 nA 513 "Zero Warn" Endress+Hauser...
  • Page 49 Diagnostics code and associated message text: 108 "Sterilization" Calibrations, cap (only amperometric sensors) The calibration counters in the sensor make a distinction between sensor calibrations and calibrations with the membrane cap currently used. If this cap is replaced, only the (cap) counter is reset. Endress+Hauser...
  • Page 50 Function Options The number depends heavily on the process and must be • On determined individually. • Off Factory setting Warning limit Factory setting Diagnostics code and associated message text: 109 "Sterilizat. cap" Endress+Hauser...
  • Page 51 Diagnostics code and associated message text: 904 "Process check" Function Options • On • Off Factory setting Duration 1 to 240 min The measured value must change during this time. Otherwise the error message is triggered. Factory setting 60 min Endress+Hauser...
  • Page 52 Operation > 25°C Only optical sensors Warning limit Factory setting Diagnostics code and associated message text: 10000 h 190 "Operating time" Operation > 40°C Warning limit Factory setting Diagnostics code and associated message text: 10000 h 192 "Operating time" Endress+Hauser...
  • Page 53 Diagnostic message Options You can deactivate or reactivate a diagnostic message here. • On Deactivating means: • Off • No error message in the measuring mode Factory setting • No error current at the current output Depends on the message Endress+Hauser...
  • Page 54 7.2.7 Tag control With this function, you specify which sensors are accepted at your device Path: Menu/Setup/Inputs/<Sensor type>/Extended setup Function Options Info Tag control Additional information on the display: tag control currently used Endress+Hauser...
  • Page 55 Here you can restore the sensor factory settings. For this purpose, simply press the navigator button and select "OK" when the prompt for the device software appears. Only the factory settings for the sensor are restored. The settings for the input remain unchanged. Endress+Hauser...

  • Page 56: Inputs: Chlorine

    The damping causes a floating average curve of the measured values over the time specified. Path: Menu/Setup/Inputs/<Sensor type> Function Options Info Damping <Sensor type> 0 to 300 s You specify the damping of the main measured value of the connected sensor and that of the integrated temperature Factory setting Damping temp. sensor. Endress+Hauser...

  • Page 57: Extended Setup

    Select how many decimal places should be used to display • #.# the temperature. • #.## Factory setting Main value format Options Specify the number of decimal places for displaying the main • #.# measured value. • #.## • #.### • # Factory setting Endress+Hauser...
  • Page 58 • Automatically using the temperature sensor of your sensor Factory setting • Manually by entering the medium temperature Automatic Medium temperature -5.0 to 50.0 ˚C Enter the temperature of your medium. (Temp. compensation=Manual) (23.0 to 122.0 ˚F) Factory setting 20,0 ˚C (68 ˚F) Endress+Hauser...
  • Page 59 Calib. expiration date Warning limit Factory setting Diagnostics message: 105 "Calib. validity" 11 months Warning and alarm limits mutually affect each other's possible ranges for adjustment. Endress+Hauser...
  • Page 60 The associated diagnostics code is displayed for every setting. Slope The (relative) slope characterizes the sensor condition. Decreasing values indicate electrolyte exhaustion. You can control when the electrolyte should be replaced by specifying limit values and the diagnostics messages these limit values trigger. Endress+Hauser...
  • Page 61 Path: Menu/Setup/Inputs/Chlorine/Extended setup/Diagnostics settings Function Options Info Zero point 0.0 to 3.2 nA Specify the limit values for zero point monitoring in your sensor. Warning limit Factory setting Diagnostics code and associated message text: 2.0 nA 513 "Zero Warn" Endress+Hauser...
  • Page 62 Factory setting Warning limit Factory setting Diagnostics code and associated message text: 535 "Sensor check" Number of sensor calibrations The calibration counters in the sensor make a distinction between sensor calibrations and calibrations with the membrane cap currently used. Endress+Hauser...
  • Page 63 • Contaminated sensor, or sensor in air • Sensor failure • Process error (e.g. through control system) Remedial action ► Clean the sensor. ► Check the measuring chain. ► Switch off the controller and switch it back on again. Endress+Hauser...
  • Page 64 Factory setting No diagnostics messages. However, the time the sensor operates under extreme conditions is recorded in the sensor and can be read in the sensor information in the diagnostics menu. Endress+Hauser...
  • Page 65 It does not take the penetration of acids and bases into the sensor into account. Depending on the application it can be necessary to change the electrolyte before a load of 5 As is reached. Endress+Hauser...
  • Page 66 Options The messages are divided into different error classes in • Maintenance (M) accordance with NAMUR NE 107. • Out of specification (S) --> BA445C "Maintenance&diagnostics" • Function check (C) • Failure (F) Factory setting Depends on the message Endress+Hauser...
  • Page 67 Factory setting measuring point, and only accepts the sensors that have the EH_CM44_ same tag. Group Numerical Factory setting "Tag" stands for the name of a measuring point, and is used in many areas of process measuring technology. Endress+Hauser...
  • Page 68 Here you can restore the factory settings for the sensor input. For this purpose, simply press the navigator button and select "OK" when the prompt for the device software appears. Only the factory settings for this particular input are restored. All other settings remain unchanged. Endress+Hauser...

  • Page 69: Inputs: Turbidity And Solids

    Select a saved calibration data record • Formazin The options and the factory setting depend on the setting in • Kaolin "Application type". • SiO2 • TiO2 • Excess sludge • Digested sludge • Activated sludge Factory setting Formazin or Excess sludge Endress+Hauser...

  • Page 70: Extended Setup

    • Off "Hold". Factory setting No hold Extended setup 9.2.1 Measured value formats Path: Menu/Setup/Inputs/Turbidity/Extended setup Function Options Info Temperature format Options Select how many decimal places should be used to display • #.# the temperature. • #.## Factory setting Endress+Hauser...
  • Page 71 Calibration timer and calibration expiration date You can specify the calibration interval for the sensor here. Once the time configured elapses, the "Calibration timer" diagnostics message appears on the display. The timer is reset automatically if you recalibrate the sensor. Endress+Hauser...
  • Page 72 Delta turbidity 0,1 ... 5,0 % Permitted measured value fluctuation during calibration Factory setting Delta SAC 2,0 % Delta temperature 0.10 to 2.00 ˚C Permitted temperature fluctuation during calibration 0.18 to 3.60 ˚F Factory setting 0.50 ˚C 0.90 ˚F Endress+Hauser...
  • Page 73 Operating time Total operating time of the sensor Warning limit Factory setting Diagnostics code and associated message text: 10000 h 199 "Operating time" (Operation below specified temperature limit) Endress+Hauser...
  • Page 74 942 "Process value" Filter change Only CAS51D Warning limit Factory setting Diagnostics code and associated message text: 10000 h 157 "Filter change" Lamp life Only CAS51D-SAC Warning limit Factory setting Diagnostics code and associated message text: 35040 h 171 "Lamp change" Endress+Hauser...
  • Page 75 Diagnostics code and associated message text: 904 "Process check" Function Options • On • Off Factory setting Duration 1 to 240 min The measured value must change during this time. Otherwise the error message is triggered. Factory setting 60 min Endress+Hauser...
  • Page 76 Options The messages are divided into different error classes in • Maintenance (M) accordance with NAMUR NE 107. • Out of specification (S) --> BA445C "Maintenance&diagnostics" • Function check (C) • Failure (F) Factory setting Depends on the message Endress+Hauser...
  • Page 77 Factory setting measuring point, and only accepts the sensors that have the EH_CM44_ same tag. Group Numerical Factory setting "Tag" stands for the name of a measuring point, and is used in many areas of process measuring technology. Endress+Hauser...
  • Page 78 Here you can restore the sensor factory settings. For this purpose, simply press the navigator button and select "OK" when the prompt for the device software appears. Only the factory settings for the sensor are restored. The settings for the input remain unchanged. Endress+Hauser...

  • Page 79: Inputs: Sac

    Preselection for saved calibration data records • SAC • Transm. • Absorption • COD • TOC • DOC • BOD Factory setting Application Options Select a saved calibration data record • Factory calib. • 6 other data records Factory setting Factory calib. Endress+Hauser...

  • Page 80: Extended Setup

    "Hold". Factory setting No hold 10.2 Extended setup 10.2.1 Measured value formats Path: Menu/Setup/Inputs/SAC/Extended setup Function Options Info Temperature format Options Select how many decimal places should be used to display • #.# the temperature. • #.## Factory setting Endress+Hauser...
  • Page 81 Calibration timer and calibration expiration date You can specify the calibration interval for the sensor here. Once the time configured elapses, the "Calibration timer" diagnostics message appears on the display. The timer is reset automatically if you recalibrate the sensor. Endress+Hauser...
  • Page 82 Delta turbidity 0,1 ... 5,0 % Permitted measured value fluctuation during calibration Factory setting Delta SAC 2,0 % Delta temperature 0.10 to 2.00 ˚C Permitted temperature fluctuation during calibration 0.18 to 3.60 ˚F Factory setting 0.50 ˚C 0.90 ˚F Endress+Hauser...
  • Page 83 Operating time Total operating time of the sensor Warning limit Factory setting Diagnostics code and associated message text: 10000 h 199 "Operating time" (Operation below specified temperature limit) Endress+Hauser...
  • Page 84 942 "Process value" Filter change Only CAS51D Warning limit Factory setting Diagnostics code and associated message text: 10000 h 157 "Filter change" Lamp life Only CAS51D-SAC Warning limit Factory setting Diagnostics code and associated message text: 35040 h 171 "Lamp change" Endress+Hauser...
  • Page 85 Diagnostics code and associated message text: 904 "Process check" Function Options • On • Off Factory setting Duration 1 to 240 min The measured value must change during this time. Otherwise the error message is triggered. Factory setting 60 min Endress+Hauser...
  • Page 86 Options The messages are divided into different error classes in • Maintenance (M) accordance with NAMUR NE 107. • Out of specification (S) --> BA445C "Maintenance&diagnostics" • Function check (C) • Failure (F) Factory setting Depends on the message Endress+Hauser...
  • Page 87 Factory setting measuring point, and only accepts the sensors that have the EH_CM44_ same tag. Group Numerical Factory setting "Tag" stands for the name of a measuring point, and is used in many areas of process measuring technology. Endress+Hauser...
  • Page 88 Here you can restore the sensor factory settings. For this purpose, simply press the navigator button and select "OK" when the prompt for the device software appears. Only the factory settings for the sensor are restored. The settings for the input remain unchanged. Endress+Hauser...

  • Page 89: Inputs: Nitrate

    The damping causes a floating average curve of the measured values over the time specified. Path: Menu/Setup/Inputs/<Sensor type> Function Options Info Damping <Sensor type> 0 to 300 s You specify the damping of the main measured value of the connected sensor and that of the integrated temperature Factory setting Damping temp. sensor. Endress+Hauser...

  • Page 90: Extended Setup

    Specify the number of decimal places. • #.# • #.## • #.### • # Factory setting Unit Options Select the unit for the main measured value. • mg/l NO3-N • mg/l NO3 • ppm NO3-N • ppm NO3 Factory setting mg/l NO3-N Endress+Hauser...
  • Page 91 Calib. expiration date Warning limit Factory setting Diagnostics message: 105 "Calib. validity" 11 months Warning and alarm limits mutually affect each other's possible ranges for adjustment. Endress+Hauser...
  • Page 92 Each sensor has a limited life expectancy which heavily depends on the operating conditions. If you specify warning limits for operating times under extreme conditions, you can guarantee the operation of your measuring point without any downtime by performing maintenance tasks in time. Endress+Hauser...
  • Page 93 942 "Process value" Filter change Only CAS51D Warning limit Factory setting Diagnostics code and associated message text: 10000 h 157 "Filter change" Lamp life Only CAS51D-SAC Warning limit Factory setting Diagnostics code and associated message text: 35040 h 171 "Lamp change" Endress+Hauser...
  • Page 94 Diagnostics code and associated message text: 904 "Process check" Function Options • On • Off Factory setting Duration 1 to 240 min The measured value must change during this time. Otherwise the error message is triggered. Factory setting 60 min Endress+Hauser...
  • Page 95 Options The messages are divided into different error classes in • Maintenance (M) accordance with NAMUR NE 107. • Out of specification (S) --> BA445C "Maintenance&diagnostics" • Function check (C) • Failure (F) Factory setting Depends on the message Endress+Hauser...
  • Page 96 Factory setting measuring point, and only accepts the sensors that have the EH_CM44_ same tag. Group Numerical Factory setting "Tag" stands for the name of a measuring point, and is used in many areas of process measuring technology. Endress+Hauser...
  • Page 97 Here you can restore the sensor factory settings. For this purpose, simply press the navigator button and select "OK" when the prompt for the device software appears. Only the factory settings for the sensor are restored. The settings for the input remain unchanged. Endress+Hauser...

  • Page 98: Inputs: Ise

    12.1.3 Damping of the temperature value The damping causes a floating average curve of the measured values over the time specified. Path: Menu/Setup/Inputs/ISE Function Options Info Damping temp. 0 to 300 s Specify the damping for the temperature measurement. Factory setting Endress+Hauser...

  • Page 99: Extended Setup

    This branch, along with the same functions, can be found in different "Extended setup" menus. The list of diagnostic messages displayed depends on the path selected. There are device-specific messages, and messages that depend on what sensor is connected. Endress+Hauser...
  • Page 100 You can define the cleaning programs under: • Cleaning 2 Menu/Setup/Additional functions/Cleaning. • Cleaning 3 • Cleaning 4 Factory setting None Detail information Read only Here you can find more information on the diagnostic message and instructions on how to resolve the problem. Endress+Hauser...

  • Page 101: Electrode Slot Menus

    ► You can complete and assign the other 3 slots as you prefer. ► Specify the measured variable that should be output. No options can be selected for pH which is why the "Measured variable" function is not available for this parameter. Endress+Hauser...
  • Page 102 Path: Menu/Setup/Inputs/ISE/Extended setup Function Options Info Main value format Options Specify the number of decimal places for the measured • # variable of the electrode slot. • #.# • #.## Factory setting #.## Endress+Hauser...
  • Page 103 The coefficients are empirical values. Factory setting -2.00 (chloride) -0.85 (potassium) Mode Options The standard setting (-) corrects a measured value that is too • + high as a result of the effect of interference ions. • - Factory setting Endress+Hauser...
  • Page 104 You enter any two buffer values. These must differ in terms of their pH value. Buffer manufacturer Options Temperature tables are stored internally in the unit for the • Endress+Hauser following pH values: • Ingold/Mettler • Endress+Hauser • DIN 19266 2,00 / 4,00 / 7,00 / (9,00) / 9,20 / 10,00 / 12,00 •...
  • Page 105 102, appears on 1000 h the display. Diagnostics settings This menu branch is used for specifying warning limits, and for defining whether and how diagnostics tools should be used. The associated diagnostics code is displayed for every setting. Endress+Hauser...
  • Page 106 Diagnostics code and associated message text: 904 "Process check" Function Options • On • Off Factory setting Duration 1 to 240 min The measured value must change during this time. Otherwise the error message is triggered. Factory setting 60 min Endress+Hauser...
  • Page 107 The difference is an indicator for the condition of the sensor. The greater the change, the greater the wear experienced by the pH-sensitive glass membrane as a result of chemical corrosion or abrasion. Endress+Hauser...

  • Page 108: Limits Operating Hours

    Each sensor has a limited life expectancy which heavily depends on the operating conditions. If you specify warning limits for operating times under extreme conditions, you can guarantee the operation of your measuring point without any downtime by performing maintenance tasks in time. Endress+Hauser...
  • Page 109 199 "Operating time" Operation > 30°C Warning limit Factory setting Diagnostics code and associated message text: 36000 h 191 "Operating time" Operation > 40°C Warning limit Factory setting Diagnostics code and associated message text: 36000 h 192 "Operating time" Endress+Hauser...

  • Page 110: Inputs: Interface

    Type of measurement that should be displayed and • Interface level calculated: • Interface range Interface level Factory setting Distance from the basin floor to the boundary area Interface level Interface range Distance from the water line to the boundary area Endress+Hauser...

  • Page 111: Sensor Signal

    The values can be as high as 60 if the sludge/water transition is relatively "soft". If you require significantly higher gain values, this is an indication of overranging. It is then difficult or impossible to reliably evaluate the echo signal. Endress+Hauser...

  • Page 112: Extended Setup

    5 ... 30 Restricts the gain in automatic mode in order to prevent system overload. Factory setting Gain increment 0,1 ... 0,5 Defines how quickly the gain can adapt to changing process conditions in the automatic mode. Factory setting Bottom definition Endress+Hauser...
  • Page 113 Speed at which the interface window opens Factory setting 13.5.3 Diagnostics settings This menu branch is used for specifying warning limits, and for defining whether and how diagnostics tools should be used. The associated diagnostics code is displayed for every setting. Endress+Hauser...
  • Page 114 • Relay 1 to n (depends on assign the message to an output (Menu/Setup/Outputs, the device version) assign "Diagnostics" function and set Operating mode to "as Factory setting assigned"). None One alarm relay is always available, regardless of the device version. Other relays are optional. Endress+Hauser...
  • Page 115 Here you can restore the factory settings for the sensor input. For this purpose, simply press the navigator button and select "OK" when the prompt for the device software appears. Only the factory settings for this particular input are restored. All other settings remain unchanged. Endress+Hauser...

  • Page 116: Outputs

    You can output the entire measuring range of the "Measured settings depend on: value" or just some of it at the current output. For this Range upper value "Measured value" purpose, specify the start and end of the range in accordance with your requirements. Endress+Hauser...
  • Page 117 • Raw value μs (only Oxygen (opt.)) Cond i Options • Temperature Cond c • Conductivity • Resistance Chlorine Options • Temperature • Current • Concentration Options • Temperature • pH • Ammonium • Nitrate • Potassium • Chloride Endress+Hauser...
  • Page 118 Only the two unipolar manipulated variable parts are available for selection for outputting to modulated relays. If outputting the values via a current output, you also have the possibility of outputting the bipolar manipulated variable y to one current output only (split range). Endress+Hauser...

  • Page 119: Alarm Relay And Optional Relays

    The limit switches are configured in the "Setup/Additional • Limit switch 2 functions/Limit switches" menu. • Limit switch 3 • Limit switch 4 • Limit switch 5 • Limit switch 6 • Limit switch 7 • Limit switch 8 Factory setting None Endress+Hauser...
  • Page 120 PWM=pulse width modulation • PWM PFM=pulse frequency modulation • PFM Factory setting Types of modulation: PWM (pulse width modulation): The duty cycle is varied within a period T (T=t ). The cycle duration remains constant. Typical application: solenoid valve Endress+Hauser...
  • Page 121 You can output two categories of diagnostics messages via the relay: Diagnostics messages from one of the 4 Namur classes (--> BA445C "Maintenance&Diagnostics" for more information on the Namur classes) Diagnostics messages which you have individually assigned to the relay output Endress+Hauser...
  • Page 122 • Cleaning 1 - Cleaner Menu/Setup/Additional functions/Cleaning. • Cleaning 2 - Water • Cleaning 2 - Cleaner • Cleaning 3 - Water • Cleaning 3 - Cleaner • Cleaning 4 - Water • Cleaning 4 - Cleaner Factory setting None Endress+Hauser...

  • Page 123: Hart

    "Outputs/Current outputs" section. Please refer to this section for more information. ► Please note that if you select Hold behavior="Freeze" , the system not only flags the status but also "freezes" the measured value. Endress+Hauser...

  • Page 124: Additional Functions

    • Temperature Options • Temperature • ORP mV • ORP % Oxygen (amp.) Options • Temperature Oxygen (opt.) • Partial pressure • Concentration liquid • Saturation • Raw value nA (only Oxygen (amp.)) • Raw value μs (only Oxygen (opt.)) Endress+Hauser...
  • Page 125 All the mathematic functions can also be used as a data source and the calculated value can be used as the measured value. You can monitor the manipulated variable by assigning the controller manipulated variable to a limit switch (e.g. configure a dosing time alarm). Endress+Hauser...
  • Page 126 Depends on the measured switch to pick up, become closer or move further apart. It is value needed to ensure a stable switching behavior. Start delay 0 to 9999 s Synonyms: pick-up and drop-out delay Factory setting Switch off delay Endress+Hauser...

  • Page 127: Controller

    The neutral zone is used to suppress control deviations (e) that are too small. The control deviation thus filtered now powers the actual PID controller which is divided into three parts (top-down) based on the Endress+Hauser...
  • Page 128 First configure the controller and leave the switch at "Off" • Off during this time. • Automatic Once you have made all the settings, you can assign the • Manual mode controller to an output and switch it on. Factory setting Endress+Hauser...
  • Page 129 A mixture of both process types can often be found in practice: the semi-batch process. Depending on the ratio between the flow and the container volume, this arrangement behaves either like a batch process or an in-line process. Endress+Hauser...
  • Page 130 With the "Direct" effective direction, the controller acts as a "downwards controller". It becomes active when the process value (e.g. the temperature) is too high (range B). The red curve shows overlap between the curves of the two 1-sided controllers. Endress+Hauser...
  • Page 131 The integral action time is the time needed in a step-function response to achieve a change in the manipulated variable - as a result of the I effect - which has the same magnitude as the P-value. e = control deviation, e=w-x (setpoint controlled variable) Endress+Hauser...
  • Page 132 Depends on the Source of data As soon as X deviates more than X from the set point, Y balance="Symmetric" reaches 100%. Xp Low Range of adjustment and Process balance="Asymmetric" factory setting Xp High Depends on the Source of data Endress+Hauser...
  • Page 133 Manipulated variable is set to 0 (no dosing) State Options Internal controller status • Freeze Freeze • Reset No change Reset Factory setting After a hold, the control system starts from scratch, and Freeze settling time takes place again. Endress+Hauser...

  • Page 134: Cleaning Programs

    00-00:01 to 07-00:00 The interval value can be between 1 minute and 7 days. (DD-hh:mm) Example: You have set the value "01-00:00". Each day, the Factory setting cleaning cycle starts at the same time you started the first 01-00:00 cleaning cycle. Endress+Hauser...

  • Page 135: Mathematical Functions

    • Displayed in user-defined measuring menus. 15.4.1 Difference You can subtract the measured values of two sensors and use the result to detect incorrect measurements, for example. To calculate a difference, you must use two measured values with the same engineering unit. Endress+Hauser...
  • Page 136 Measured value Y3 (optional) Measured value Deviation control Options You can monitor the redundancy. Specify an absolute limit • Off value that may not be exceeded. • On Factory setting Deviation limit Depends on the selected measured value Endress+Hauser...
  • Page 137 • If carbon dioxide is regarded as non-corrosive, the live steam can be directed to the turbine far earlier during startup. • If the conductivity value increases during normal operation, users can immediately determine an ingress of coolant or air by calculating the degassed conductivity. Endress+Hauser...
  • Page 138 Measured value (Outlet, e.g. sensor downstream from the ion exchanger). Outlet Measured value Main value format Options • Auto • # • #.# • #.## • #.### Factory setting Auto Endress+Hauser...
  • Page 139 Outlet Sensor downstream from the cation exchanger, "acid conductivity" The choice of measured value is obsolete since it must always be "Conductivity". Calculated pH Read only View this value in a user-defined measuring screen or via the current output. Endress+Hauser...

  • Page 140: Communication

    Online configuration competes with onsite operation, i.e. each of the two options blocks the other one. On both sides it is possible to disallow access from the other side. A video showing an example of how to set up a Fieldcare connection to CM442 is available on the Endress+Hauser...

  • Page 141: Hart

    ► Establish the connection via your HART device. ► Operate Liquiline via the HART device. To do so, follow the instructions in the related manual. All the information on HART communication with Liquiline is provided on the CD (LIT-18.doc). Endress+Hauser...

  • Page 142: Index

    Index Cell constant ......30 Chloride compensation ....103 Activation code.
  • Page 143 Zero point Oxygen ..... 48 Zero point pH......21 Endress+Hauser...
  • Page 144 Interface Alarm delay ......114 Nitrate Calculation ......113 Basic settings .
  • Page 145 Oxygen ......43 Temperature format ....29, 35 Endress+Hauser...
  • Page 147 Endress+Hauser...
  • Page 148 BA450C/07/EN/13.10 71124075...

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