Endress+Hauser Liquiline CM442R Operating Instructions Manual
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Endress+Hauser Liquiline CM442R Operating Instructions Manual

Universal four-wire multichannel controller for control cabinet installation maintenance & diagnostics
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BA01227C/07/EN/01.13
71220446
Valid as of:
Softwareversion 01.04.00
Products
Operating Instructions
Liquiline
CM442R/CM444R/CM448R
Universal four-wire multichannel controller for
control cabinet installation
Maintenance & diagnostics
Solutions
Services

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Summary of Contents for Endress+Hauser Liquiline CM442R

  • Page 1 Products Solutions Services BA01227C/07/EN/01.13 71220446 Valid as of: Softwareversion 01.04.00 Operating Instructions Liquiline CM442R/CM444R/CM448R Universal four-wire multichannel controller for control cabinet installation Maintenance & diagnostics...
  • Page 2 About this manual This manual describes all the tasks you must perform for maintenance, diagnostics and repair. A description of the following is provided here: • General troubleshooting • Overview of the diagnostic messages • Description of the information in the "Diagnostics" menu –...

  • Page 3: Table Of Contents

    Liquiline CM442R/CM444R/CM448R Table of contents Diagnostics and troubleshooting ... . . 4 General troubleshooting ....4 Diagnostic information on onsite display (optional) .

  • Page 4: Diagnostics And Troubleshooting

    Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting The color of the display background changes to red if a diagnostics message for error category "F" occurs. General troubleshooting 1.1.1 Troubleshooting A diagnostic message appears on the displayor via the fieldbus indicating that the measured values are not plausible, or you identify a fault.
  • Page 5 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Problem Possible cause Tests and/or remedial measures No change or subtle – Sensor fouled Clean the sensor. change in display – Sensor old – Sensor defective (reference lead) Reference has low level of KCl Check KCl supply: 0.8 bar (12 psi) over medium...
  • Page 6 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Conductivity measurement Problem Possible cause Tests and/or remedial measures Display deviates from Incorrect calibration Repeat the calibration. reference measurement Where necessary, check and repeat the calibration with the reference device. Sensor fouled Clean the sensor.
  • Page 7 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Problem Possible cause Tests and/or remedial measures No/incorrect temperature ATC: select type of compensation; if linear, set compensation suitable coefficients. MTC: set process temperature. Incorrect temperature measurement Check temperature measured value. Bubbles in medium Suppress formation of bubbles by: –...
  • Page 8 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Problem Possible cause Tests and/or remedial measures No change or subtle – Sensor fouled • Clean the sensor. change in display – Sensor old (membrane) • If necessary: – Change electrolyte, change membrane cap (amperometric sensor) –...
  • Page 9 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Chlorine measurement Problem Possible cause Tests and/or remedial measures Sensor defective Test with new sensor Sensor cable disconnected Check cable or cable extension. Display value - - - - Incorrect sensor connection Check the connection at the input module (--> BA "Commissioning", "Wiring"...
  • Page 10 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Problem Possible cause Tests and/or remedial measures Fixed current output Current simulation active Switch off simulation. signal Incorrect current output Total load in current loop too high Measure the load and reduce it to the permitted signal value if necessary (-->...
  • Page 11 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Problem Possible cause Tests and/or remedial measures Measuring chain Sensor does not immerse properly Check installation position, remove protection cap. zero-point not stable and or protection cap of the pH electrode cannot be adjusted not removed...
  • Page 12 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Problem Possible cause Tests and/or remedial measures Sensor not calibrated or incorrectly Calibration with original sample might be necessary calibrated for concentration or solids content. Sensor fouled Clean sensor Sensor installed in "dead zone" or air...

  • Page 13: Diagnostic Information On Onsite Display

    Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Problem Possible cause Tests and/or remedial measures Values appear on display Module not wired correctly Check modules and wiring. but: Impermissible operating system Switch off device and switch it on again. – Display does not...
  • Page 14 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R In accordance with Namur specification NE 107, the diagnostics messages are characterized by: • Message number • Error category (letter in front of the message number) – F = (Failure) a malfunction has been detected –...
  • Page 15 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting 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 Diagnostic message...

  • Page 16: Overview Of Diagnostic Information

    Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Overview of diagnostic information 1.6.1 Device-specific, general diagnostics messages Message Factory settings Tests or remedial measures Cat. Diag. Error on/off current Selftest active Wait for self-test to be finished Hold active Output values and status of the channel are on...
  • Page 17 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Message Factory settings Tests or remedial measures Cat. Diag. Error on/off current Sensor check No measurement signal from sensor -> Check the sensor connection -> Check sensor, replace if necessary Reset to default Factory reset is performed Param.
  • Page 18 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Message Factory settings Tests or remedial measures Cat. Diag. Error on/off current Pump bracket The pump bracket is detected as open. • Pump bracket open • Reed contact defective -> Close the pump bracket -> Contact the Service Department...
  • Page 19 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting 1.6.2 Sensor-specific diagnostics messages Abbreviations used for sensor types • P ... pH/ORP (general) – P (glass) ... glass electrode – P (ISFET) ... ISFET sensor • C ... Conductivity (general) – C (cond.) ... Conductive sensor –...
  • Page 20 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Message Factory settings Sensor type Tests or remedial measures Cat. Diag. Error curren Sensor electr. Sensor electronics defective Replace sensor Sensor connect. Check sensor connection Contact the Service Department Initialization Wait for initialization to be finished Sensor comm.
  • Page 21 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Message Factory settings Sensor type Tests or remedial measures Cat. Diag. Error curren Temp.offset high All except U Calibration alarm: Limit values for temperature offset exceeded Temp. offset low All except U Check temperature sensor Replace sensor Temp.
  • Page 22 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Message Factory settings Sensor type Tests or remedial measures Cat. Diag. Error curren Sensor leakage P (ISFET), ISFET leak current warning O (amp.) Measuring can continue until the alarm occurs Sensor supply P, O, I, Cl...
  • Page 23 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Message Factory settings Sensor type Tests or remedial measures Cat. Diag. Error curren Sensor temp. C, N, T, S Temperature outside specification Check temperature Check measuring chain Replace sensor type Sensor check C (ind.) Coil transmission current too high...
  • Page 24 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Message Factory settings Sensor type Tests or remedial measures Cat. Diag. Error curren Sensor check N, T, S Invalid measured value Check sensor power supply Restart device Contact the Service Department Sensor check N, T, S...
  • Page 25 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Message Factory settings Sensor type Tests or remedial measures Cat. Diag. Error curren Sludge level Incorrect interface measurement Replace sensor Turbid. failure Incorrect turbidity measurement. Replace sensor Wiper failure Wiper not working. Clean or replace sensor.
  • Page 26 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Message Factory settings Sensor type Tests or remedial measures Cat. Diag. Error curren Operating time Operating hours > 150 ˚C Operating time All except U Total operating hours Simul. active Simulation active End simulation by changing to measuring mode Calib.
  • Page 27 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Message Factory settings Sensor type Tests or remedial measures Cat. Diag. Error curren Sensor calib. Invalid cell constant, max./min. value or lower/upper warning value reached Sensor calib. Calibrate sensor Replace sensor Sensor calib. Sensor calib.
  • Page 28 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Message Factory settings Sensor type Tests or remedial measures Cat. Diag. Error curren Proc.cond.comp Conductivity compensation above/below compensation table Proc.cond.comp – Process value outside specification – Incomplete table --> Extend table Membrane change Replacement of the membrane cap necessary...
  • Page 29 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Message Factory settings Sensor type Tests or remedial measures Cat. Diag. Error curren Process value N, T, S Measured value outside specified range Reasons: sensor in air, air pockets in assembly, incorrect flow to sensor, sensor...
  • Page 30 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Message Factory settings Sensor type Tests or remedial measures Cat. Diag. Error curren Sensor Interface Sensor interface error Check plug Check cable, replace if necessary Calib. req. Electrode change --> Calibration required 1.6.3 Configuration options for troubleshooting The table only lists the diagnostics messages that depend on your settings in the menu.
  • Page 31 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Path to software function Menu/Setup/Inputs/Oxygen (amp.)/Extended setup/Diagnostics settings/Number of cap sterilizations/Alarm limit Menu/Setup/Inputs/Extended setup/Diagnostics settings/Limits operating hours/Operation > 300 mV Menu/Setup/Inputs/Extended setup/Diagnostics settings/Limits operating hours/Operation < -300 mV Menu/Setup/Inputs/Extended setup/Oxygen (opt.)/Diagnostics settings/Limits operating hours/Operation <...

  • Page 32: Pending Diagnostic Messages

    Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Path to software function Menu/Setup/Inputs/Extended setup/Diagnostics settings/Delta zero point/Warning limit Menu/Setup/Inputs/pH ISFET/Extended setup/Diagnostics settings/Delta operating point/Warning limit Menu/Setup/Inputs/Redox/Extended setup/Diagnostics settings/Redox-Meas value/Upper alarm limit Menu/Setup/Inputs/Redox/Extended setup/Diagnostics settings/Redox-Meas value/Lower alarm limit Menu/Setup/Inputs/Extended setup/Diagnostics settings/Process Check System Menu/Setup/Inputs/Extended setup/Diagnostics settings/Limits operating hours...

  • Page 33: Event Logbook

    Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Event logbook 1.9.1 Available logbooks Types of logbooks • Logbooks physically available (all apart from the overall logbook) • Database view of all logbooks (=overall logbook) Logbook Visible in Max. Can be Logbook Entries Can be...
  • Page 34 Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Diagnostics/Logbooks Function Options Info Go to date User input Use this function to go directly to a specific time in the • Go to date list. In this way, you avoid having to scroll through all •...
  • Page 35 Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting a0016688 Fig. 1: Simultaneous display of two graphs, the upper one is "selected" Diagnostics/Logbooks Function Options Info Data logbooks Chronological list of the data logbook entries. Data logbook 1 <Logbook This submenu is available for each data logbook that you name>...

  • Page 36: Simulation

    Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Diagnostics/Logbooks Function Options Info Save logbooks File format Options Save the logbook in the preferred file format. • CSV You can then open the CSV file you saved on the PC in • FDM MS Excel, for example, and process it further You can import the FDM files into Fieldcare and archive them so they are tamper-proof.

  • Page 37: Reset Measuring Instrument

    Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Diagnostics/Simulation Function Options Info Alarm relay Simulation of a relay state Relay x:y This menu appears once for each relay. Simulation Options If you simulate the relay state, this is indicated on the • On display by a simulation icon in front of the relay display.

  • Page 38: Device Information

    Diagnostics and troubleshooting Liquiline CM442R/CM444R/CM448R Diagnostics/Systemtest/Reset Function Options Info Factory default Options Restart with factory settings • OK Settings that have not been saved are lost. • ESC Power supply Read only Detailed list of power supply to instrument. • Digital Supply 1: 1.2V The actual values can vary without a malfunction •...

  • Page 39: Firmware History

    Liquiline CM442R/CM444R/CM448R Diagnostics and troubleshooting Diagnostics/System information Function Options Info Sensors Depends on the sensors Read only This information is provided for every sensor available. connected • Description Specify the serial numbers and order codes when • Serial number servicing, for example.

  • Page 40: Maintenance

    Maintenance Liquiline CM442R/CM444R/CM448R Maintenance WARNING Process pressure and temperature, contamination, electrical voltage Risk of serious or fatal injury ‣ If the sensor has to be removed during maintenance work, avoid hazards posed by pressure, temperature and contamination. ‣ De-energize the device before opening it.
  • Page 41 Liquiline CM442R/CM444R/CM448R Maintenance NOTICE Prohibited cleaning agents Damage to the housing surface or housing seal ‣ For cleaning purposes, never use concentrated mineral acids or bases. ‣ Never use organic cleaners such as benzyl alcohol, methanol, methylene chloride, xylene or concentrated glycerol cleaner.

  • Page 42: Repair

    Repair Liquiline CM442R/CM444R/CM448R Repair Spare parts a0020679 Fig. 2: Spare parts: You can find the names of spare parts and their order numbers in the following table. Endress+Hauser...
  • Page 43 71222273 • Control cabinet installation housing, complete Kit CM44x/CM44xR: electronics module backplane 71101457 • Backplane complete • To be replaced only by Endress+Hauser Service Kit CM444R/448R 71222276 • Control cabinet installation housing, complete Kit CM44x/CM44xR: electronics module extension backplane 71141366 •...
  • Page 44 Repair Liquiline CM442R/CM444R/CM448R Item Kit CM44x Order number 6, 7, 8, 10 Kit CM44x/CM44xR: extension module AOR (2 relays + 2 current outputs) 71111053 • Extension module AOR, complete • Instructions for spare parts kit CM44x Kit CM44x/CM44xR: terminal set, extension module AOR...

  • Page 45: Return

    The product has to be returned in the event of repair, factory calibration, incorrect delivery or incorrect ordering. As an ISO-certified company and due to legal regulations, Endress+Hauser is obligated to use particular handling techniques for all returned products that have come into contact with a medium.

  • Page 46: Accessories

    Accessories Liquiline CM442R/CM444R/CM448R Accessories The most important accessories available at the time this document went to print are listed below. Contact your service representative or Sales Center for accessories that are not listed here. Measuring cable Memosens data cable CYK10 •...
  • Page 47 Liquiline CM442R/CM444R/CM448R Accessories Ceragel CPS71D • pH sensor with Memosens technology • Twin-chamber reference system and integrated bridge electrolyte • Order as per product structure (--> Online Configurator, www.products.endress.com/cps71d) • Technical Information TI00245C/07/EN Orbipore CPS91D • pH sensor with Memosens technology •...
  • Page 48 Accessories Liquiline CM442R/CM444R/CM448R Orbipac CPF82D • Redox compact sensor for installation or immersion operation in industrial water and wastewater • Order as per product structure (--> Online Configurator, www.products.endress.com/cpf82d) • Technical Information TI191C/07/EN Orbipore CPS92D • ORP sensor with Memosens technology •...
  • Page 49 Liquiline CM442R/CM444R/CM448R Accessories Memosens CPS76D • Combined pH/ORP sensor for process technology, hygiene and sterile applications • With Memosens technology • Order as per product structure (--> Online Configurator, www.products.endress.com/cps76d) • Technical Information TI00506C/07/EN Memosens CPS96D • Combined pH/ORP sensor for chemical processes •...
  • Page 50 Accessories Liquiline CM442R/CM444R/CM448R 4.2.8 Oxygen sensors Oxymax COS51D • Amperometric sensor for dissolved oxygen, with Memosens technology • Order as per product structure (--> Online Configurator, www.products.endress.com/cos51d) • Technical Information TI413C/07/EN Oxymax COS61D • Optical oxygen sensor for drinking water and industrial water measurement •...

  • Page 51: Additional Functionality

    Liquiline CM442R/CM444R/CM448R Accessories 4.2.12 SAC and nitrate sensors Viomax CAS51D • SAC and nitrate measurement in drinking water and wastewater • With Memosens protocol • Order as per product structure (--> Online Configurator, www.products.endress.com/cas51d) • Technical Information TI459C/07/EN 4.2.13 Interface measurement Turbimax CUS71D •...
  • Page 52 Accessories Liquiline CM442R/CM444R/CM448R Kit CM444/CM448/CM442R/CM444R/CM448R/CSF48: extension module DIO • 2 x digital input • 2 x digital output • Auxiliary voltage supply for digital output • Order no. 71135638 Kit CM442/CM444/CM448/CM442R/CM444R/CM448R/CSF48: extension module 485 • Ethernet configuration • Can be extended to PROFIBUS DP or Modbus RS485 or Modbus TCP. This requires an additional activation code which can be ordered separately (→...

  • Page 53: Software

    Liquiline CM442R/CM444R/CM448R Accessories Kit CM444R/CM448R: Upgrade code for 2 x 0/4 to 20 mA for BASE-E • Order No. 71140891 Activation code for feedforward control • Order no. 71211288 Activation code for measuring range switch • Order no. 71211289 Software Memobase Plus CYP71D •...

  • Page 54: Index

    Liquiline CM442R/CM444R/CM448R Index Accessories Error categories ......13 Activation codes ..... . 52 Event logbook .
  • Page 55 Liquiline CM442R/CM444R/CM448R SD card ....... 53 Sensor information..... . 39 Sensors Chlorine .
  • Page 56 www.addresses.endress.com...

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