Endress+Hauser Liquisys M CLM223/253 Operating Instructions Manual
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Endress+Hauser Liquisys M CLM223/253 Operating Instructions Manual

Transmitter for conductivity
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BA193C/07/EN/14.13
71212629
valid as of:
software version 2.33
Products

Operating Instructions

Liquisys M CLM223/253
Transmitter for Conductivity
Solutions
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Summary of Contents for Endress+Hauser Liquisys M CLM223/253

  • Page 1: Operating Instructions

    Products Solutions Services BA193C/07/EN/14.13 71212629 valid as of: software version 2.33 Operating Instructions Liquisys M CLM223/253 Transmitter for Conductivity...

  • Page 2: About This Document

    Corrective action This symbol alerts you to situations that can result in NOTICE damage to property and equipment. Cause/situation Consequences if safety message is not heeded ‣ Action/note Symbols Additional information, tips Permitted or recommended Forbidden or not recommended Endress+Hauser...

  • Page 3: Table Of Contents

    Liquisys M CLM223/253 Table of contents Basic safety instructions ... . . 5 Commissioning ....30 Requirements for the personnel .
  • Page 4 Liquisys M CLM223/253 Technical data.....99 11.1 Input ........99 11.2 Output .

  • Page 5: Basic Safety Instructions

    Liquisys M CLM223/253 Basic safety instructions Basic safety instructions Requirements for the personnel ‣ Installation, commissioning, operation and maintenance of the measuring system must only be carried out by trained technical personnel. ‣ The technical personnel must be authorized by the plant operator to carry out the specified activities.

  • Page 6: Product Safety

    Basic safety instructions Liquisys M CLM223/253 Product safety The product is designed to meet state-of-the-art safety requirements, has been tested and left the factory in a condition in which it is safe to operate. Relevant regulations and European standards have been observed.

  • Page 7: Incoming Acceptance And Product

    Liquisys M CLM223/253 Incoming acceptance and product identification Incoming acceptance and product identification Incoming acceptance ‣ Make sure the packaging is undamaged! ‣ Inform the supplier about any damage to the packaging. Keep the damaged packaging until the matter has been settled.

  • Page 8: Product Identification

    Incoming acceptance and product identification Liquisys M CLM223/253 Product identification 2.3.1 Nameplate The nameplate contains the following information: • Manufacturer data • Order code • Extended order code • Serial number • Operating conditions • Safety icons Compare the order code on the nameplate with your order.

  • Page 9: Mounting

    LIQUISYS S REL 1 ALARM REL 2 REL 1 REL 2 a0008937 Fig. 1: Complete measuring system Liquisys M CLM223/253 Conductive sensor CLS15 Inductive sensor CLS50 Liquisys M CLM253 Conductive sensor CLS21 Liquisys M CLM223 Immersion assembly CLA111 Inductive sensor CLS54...

  • Page 10: Installation Conditions

    Mounting Liquisys M CLM223/253 Installation conditions 3.2.1 Field instrument Pg 13.5 Pg 7 Pg 16 0.43 REL1 ALARM REL2 REL1 REL2 70 / 2.76 115 / 4.53 154 / 6.06 170 / 6.69 mm / inch a0005733 Fig. 2: Field instrument There is a hole in the punching for the cable entry (connection of supply voltage).

  • Page 11: Panel-Mounted Instrument

    Liquisys M CLM223/253 Mounting 3.2.2 Panel-mounted instrument 0.24 92 / 3.62 90 / 3.54 mm / inch a0005735 Fig. 4: Panel-mounted instrument Endress+Hauser...

  • Page 12: Installation Instructions

    Mounting Liquisys M CLM223/253 Installation instructions 3.3.1 Field instrument There are several ways of securing the field housing: • Wall mounting with fixing screws • Post mounting to cylindrical pipes • Post mounting to square securing masts NOTICE Effect of climate conditions (rain, snow, direct sun etc.) Impaired operation to complete transmitter failure ‣...
  • Page 13 Liquisys M CLM223/253 Mounting Transmitter post mounting You require a post mounting kit to secure the field device to horizontal and vertical posts or pipes (max. Ø 60 mm (2.36")). The kit can be acquired as an accessory (see "Accessories" section).
  • Page 14 Mounting Liquisys M CLM223/253 You can also secure the field device to a square universal post in conjunction with the weather protection cover. These can be acquired as accessories, see "Accessories" section. a0005738 Fig. 7: Mounting field device with universal posts and weather protection cover...

  • Page 15: Panel-Mounted Instrument

    Liquisys M CLM223/253 Mounting 3.3.2 Panel-mounted instrument The panel-mounted instrument is secured with the clamping screws supplied (see  å 8). The necessary installation depth is approx. 165 mm (6.50"). +0.5 +0.02 / 3.62 max. 45 / 1.77 approx. 25 / 139 / 5.47...

  • Page 16: Electrical Connection

    Electrical connection Liquisys M CLM223/253 Electrical connection WARNING Device is energized Improper connection can cause injury or death. ‣ The electrical connection must only be carried out by a certified electrician. ‣ Technical personnel must have read and understood the instructions in this manual and must adhere to them.

  • Page 17: Connection Diagram

    Liquisys M CLM223/253 Electrical connection 4.1.2 Connection diagram The wiring diagram depicted in  å 9 shows the connections of an instrument equipped with all the options. Connecting the sensors and the various measuring cables is explained in more detail in the "Measuring cables and sensor connection" section.
  • Page 18 Electrical connection Liquisys M CLM223/253 Pay attention to the following: • The device is approved for protection class II and is generally operated without a protective earth connection. • To guarantee measuring stability and functional safety, you have to ground the outer screen of the sensor cable: –...

  • Page 19: Measuring Cable And Sensor Connection

    Liquisys M CLM223/253 Electrical connection Panel-mounted instrument connection a0008912 Fig. 11: Panel-mounted instrument connection sticker Ground terminal NOTICE Nonobservance could cause incorrect measurement ‣ Terminals marked NC may not be wired. ‣ Unmarked terminals may not be wired. Please label the sensor terminal block with the sticker provided.
  • Page 20 Electrical connection Liquisys M CLM223/253 Structure and termination of the measuring cables BN(nc) BN(nc) CYK71 CLK5 a0008938-de Fig. 12: Structure of the special measuring cables Semiconductor layer Screening For further information on the cables and junction boxes, please refer to the "Accessories"...

  • Page 21: Alarm Contact

    Liquisys M CLM223/253 Electrical connection Panel-mounted instrument measuring cable connection To connect a conductivity sensor, connect the measuring cable in accordance with the terminal assignment to the terminals on the rear of the device (see connection sticker). Example of connecting a conductivity sensor...

  • Page 22: Post-Connection Check

    Electrical connection Liquisys M CLM223/253 Post-connection check After wiring up the electrical connection, carry out the following checks: Device status and specifications Remarks Are the transmitter or the cable externally damaged? Visual inspection Electrical connection Remarks Are the installed cables strain-relieved? No loops and cross-overs in the cable run? Are the signal cables correctly connected acc.

  • Page 23: Operability

    Liquisys M CLM223/253 Operability Operability Quick operation guide You have the following ways of operating the transmitter: • On site via the key field • Via the HART interface (optional, with corresponding order version) per: – HART handheld terminal or –...

  • Page 24: Operating Elements

    Operability Liquisys M CLM223/253 LC display mS/cm R232 Setpoint a0008922-en Fig. 16: LC display transmitter Indicator for measuring mode (normal operation) In measuring mode: measured variable Indicator for calibration mode In setup mode: configured variable Indicator for setup mode (configuration) In measuring mode: secondary measured value Indicator for "Hold"...

  • Page 25: Key Assignment

    Liquisys M CLM223/253 Operability 5.2.3 Key assignment CAL key When you press the CAL key, the device first prompts you for the calibration access code: • Code 22 for calibration • Code 0 or any other code for reading the last calibration data Use the CAL key to accept the calibration data or to switch from field to field within the calibration menu.
  • Page 26 Operability Liquisys M CLM223/253 AUTO key You can use the AUTO key to switch between automatic mode and manual mode. Escape function If you press the PLUS and MINUS key simultaneously, you return to the main menu or are taken to the end of calibration if calibrating. If you press the PLUS and MINUS key again, you return to the measuring mode.

  • Page 27: Local Operation

    Liquisys M CLM223/253 Operability Local Operation 5.3.1 Automatic/manual mode The transmitter normally operates in automatic mode. Here, the relays are triggered by the transmitter. In the manual mode, you can trigger the relays using the REL key or start the cleaning function.

  • Page 28: Operating Concept

    Operability Liquisys M CLM223/253 5.3.2 Operating concept Operating modes Measuring mode: standard mode of operation, displaying current measured values Calibration mode: Setup mode access to all execution of configuration calibration routine settings Code The function groups are selected with the PLUS or MINUS key.
  • Page 29 Liquisys M CLM223/253 Operability Menu structure The configuration and calibration functions are arranged in function groups. • In setup mode, select a function group with the PLUS and MINUS keys. • In the function group itself, switch from function to function with the ENTER key.

  • Page 30: Commissioning

    Commissioning Liquisys M CLM223/253 Commissioning Function check WARNING Incorrect connection, incorrect supply voltage Safety risks for staff and incorrect operation of the device ‣ Check that all connections have been established correctly in accordance with the wiring diagram. ‣ Make sure that the supply voltage matches the voltage indicated on the nameplate.
  • Page 31 Liquisys M CLM223/253 Commissioning Selecting and locating functions is facilitated by a code displayed for each function in a special display field  å 20. C131 C132 C133 The structure of this coding is given in  å 21. C121 The first column indicates the function group as a letter (see group designations).

  • Page 32: Quick Start-Up

    Commissioning Liquisys M CLM223/253 Quick start-up After power-up, you must make some settings to configure the most important functions of the transmitter which are required for correct measurement. The following section gives an example of this. User input Setting range...
  • Page 33 Liquisys M CLM223/253 Commissioning User input Setting range Display (Factory settings, bold) 14. In A6, enter the resistance of the cable 0  0 to 99.99  (conductive sensors only). Cable-Res 15. If you need to stabilize the display, enter the required damping factor in A7.
  • Page 34 Commissioning Liquisys M CLM223/253 User input Setting range Display (Factory settings, bold) Out1 25. In O1, select your output, e.g. "Out1" = output 1. Out1 Press to confirm. Out2 Sel.Out lin = linear (1) 26. In O3, select the linear characteristic.

  • Page 35: System Configuration

    Liquisys M CLM223/253 Commissioning System configuration 6.4.1 Setup 1 (Conductivity) In the SETUP 1 function group, you can change the operating mode and the sensor settings. Basic version does not include functions in italic. Coding Field Selection or range Display...

  • Page 36: Setup 2 (Temperature)

    Commissioning Liquisys M CLM223/253 6.4.2 Setup 2 (Temperature) The temperature coefficient  specifies the change in conductivity per degree of temperature change: k(T) k(T ) (T - T )) with (T) = conductivity at process temperature T (T ) = conductivity at reference temperature T The temperature coefficient depends on the chemical composition of the medium and the temperature itself.
  • Page 37 Liquisys M CLM223/253 Commissioning Ultrapure water compensation (for conductive sensors) For pure and ultrapure water, algorithms are saved in the transmitter that account for the self-dissociation of ultra pure water and its strong temperature dependency. They are used for conductivities of approx. 100 μS/cm.
  • Page 38 Commissioning Liquisys M CLM223/253 In the SETUP 2 function group, you can change the settings for temperature measurement. Basic version does not include functions in italic. Coding Field Selection or range Display Info (factory settings bold) Function group Settings for temperature measurement.

  • Page 39: Current Input

    Liquisys M CLM223/253 Commissioning 6.4.3 Current input To use the "Current input" function group, you need a relay board with current input which is not part of the basic version. With this function group you can monitor process parameters and use these for feedforward control. For this purpose, you must connect the current output of an external measured variable (e.g.
  • Page 40 Commissioning Liquisys M CLM223/253 Feedforward control to PID controller For control systems with very short reaction times, you can optimize the control. Additionally you measure the flow rate of the medium. This flow rate value (0/4 to 20 mA) you apply as feedforward control to the PID controller.
  • Page 41 Liquisys M CLM223/253 Commissioning The basic version does not include functions in italic. Coding Field Setting range Display Info (Factory settings, bold) CURRENT INPUT Current input settings. function group CUR.INPUT Select flow Flow monitoring may only be switched on monitoring of main...

  • Page 42: Current Outputs

    Commissioning Liquisys M CLM223/253 6.4.4 Current outputs Use the "Current output" function group to configure the individual outputs. You can enter either a linear characteristic (O3 (1)) or a user-defined current output characteristic in conjunction with the Plus Package (O3 (3)). Exception: if you have chosen a "continuous controller"...
  • Page 43 Liquisys M CLM223/253 Commissioning The values for the sample characteristic ( å 27) are entered in the following table. The distance per mA can be calculated from  signal /  mA. Current output 1 Current output 2 Value pair...
  • Page 44 Commissioning Liquisys M CLM223/253 Basic version does not include functions in italic. Coding Field Setting range Display Info (Factory settings, bold) CURRENT OUTPUT Configuration of the current output (does function group not apply for PROFIBUS). OUTPUT Out1 Out1 A characteristic can be selected for every...
  • Page 45 Liquisys M CLM223/253 Commissioning Coding Field Setting range Display Info (Factory settings, bold) Values can also be added or altered at a later stage. The values entered are Enter current output Lin = linear (1) table automatically sorted by increasing...

  • Page 46: Alarm

    Commissioning Liquisys M CLM223/253 6.4.5 Alarm In the ALARM function group, you can define various alarms and configure output contacts. Each individual error can be defined to be effective or not (at the contact or as an error current). Coding...

  • Page 47: Check

    Liquisys M CLM223/253 Commissioning Coding Field Setting range Display Info (Factory settings, bold) Automatic cleaning This field is not available for certain errors, function start see "Trouble-shooting and fault elimination" section. CleanTrig next Select return to next = next error If R is selected, you return to F, if next is...
  • Page 48 Commissioning Liquisys M CLM223/253 Basic version does not include functions in italic. Coding Field Setting range Display Info (Factory settings, bold) CHECK function Settings for sensor and process monitoring group CHECK Polarization only occurs with conductive Switch polarization sensors. detection on or off...

  • Page 49: Relay Contact Configuration

    Liquisys M CLM223/253 Commissioning Coding Field Setting range Display Info (Factory settings, bold) Selected value is an absolute value. This µS/cm 1000 Enter CC setpoint 1000 μS/cm function is mainly used for batch processes (for P7/P8) 0 to 9999 mS/cm and single-sided limit switches.
  • Page 50 Commissioning Liquisys M CLM223/253 a0005986 Fig. 29: Illustration of the alarm and limit value functions Switch-on point > switch-off point: Max. function Alarm threshold Alarm ON Switch-on point < switch-off point: Min. function Switch-on point Alarm OFF Switch-off point Contact OFF...
  • Page 51 Liquisys M CLM223/253 Commissioning 100 % 100 % a0008940 Fig. 30: Control characteristic PID controller with basic load dosing PID with basic load Basic load Commissioning If you do not yet have any experience for setting the control parameters, set the values that yield the greatest possible stability in the control circuit.
  • Page 52 Commissioning Liquisys M CLM223/253 Actuating signal outputs (R237 ... R2310) Each control contact outputs a cyclical signal whose intensity corresponds to the controller' s manipulated variable. A distinction is made according to the type of signal cycle: • Pulse length modulation The bigger the calculated manipulated variable is, the longer the contact affected remains picked up.
  • Page 53 Liquisys M CLM223/253 Commissioning Timer for cleaning function This function includes a simple cleaning option. You can set the time interval after which cleaning should start. So you can only select a constant interval sequence. Other cleaning functions are available for selection in conjunction with the Chemoclean function (version with four contacts, see "Chemoclean function"...
  • Page 54 Commissioning Liquisys M CLM223/253 a0006793 Fig. 34: Sequence of a cleaning cycle Hold Normal mode Water Cleaning start Cleaner Pre-rinse time Contact on Cleaning time Contact off Post rinse time Hold dwell period Limit values for pharmaceutical water according to United States Pharmacopeia (USP) and European Pharmacopoeia (EP) (conductive only) The transmitter (conductive sensors only) can monitor "Water for Injection"...
  • Page 55 Liquisys M CLM223/253 Commissioning EP-PW function: For "Purified Water" (PW) according to the standard of EP the transmitter uses the temperature depending limit values of the following table: Temperature [°C/°F] Conductivity [μS/cm] Temperature [°C/°F] Conductivity [μS/cm] 0/32 60/140 10/50 70/158...
  • Page 56 Commissioning Liquisys M CLM223/253 Basic version does not include functions in italic. Coding Field Setting range Display Info (Factory settings, bold) RELAY function Relay contact settings. group RELAIS Rel3 (water) and Rel4 (cleaner) are only Rel1 available with the relevant version of the...
  • Page 57 Liquisys M CLM223/253 Commissioning Coding Field Setting range Display Info (Factory settings, bold) Display status for R217 Display only. R217 limit contactor LC State LC PV = limit contactor cond LC °C = limit contactor T Configure limit By confirming with ENTER, another relay LC °C...
  • Page 58 Commissioning Liquisys M CLM223/253 Coding Field Setting range Display Info (Factory settings, bold) LC PV = limit contactor cond LC °C = limit contactor T (2) By confirming with ENTER, another relay Configure P(ID) PID controller (3) function already switched on is switched...
  • Page 59 Liquisys M CLM223/253 Commissioning Coding Field Setting range Display Info (Factory settings, bold) This field only appears if pulse frequency Enter maximum 1/min 120 min is selected in R237. If pulse length is R239 pulse frequency of R239 60 to 180 min...
  • Page 60 Commissioning Liquisys M CLM223/253 Coding Field Setting range Display Info (Factory settings, bold) Switch function of R2 R251 R251 (5) off or on Function Int = internal (time- controlled) The cycle for the "int" function is started by Ext = external (digital input the end of the pause time (R257).
  • Page 61 Liquisys M CLM223/253 Commissioning Coding Field Setting range Display Info (Factory settings, bold) The USP contact can be configured as a LC PV = limit contactor cond pre-alarm, i.e., it issues an alarm before the limit is reached. LC °C = limit contactor T (2) When an alarm is output, the error no.

  • Page 62: Temperature Compensation With Table

    Commissioning Liquisys M CLM223/253 Coding Field Setting range Display Info (Factory settings, bold) Pre-alarm threshold: R275 R275 Enter drop-out delay 0 to 2000 s Off Delay 6.4.8 Temperature compensation with table You need the Plus Package to use the function group "ALPHA TABLE". This function group is used to perform a temperature compensation with table (field B2).

  • Page 63: Concentration Measurement

    Liquisys M CLM223/253 Commissioning 6.4.9 Concentration measurement You need the Plus Package to use the function group "CONCENTRATION". The transmitter can convert conductivity values to concentration values. For this, set the operating mode to Concentration measurement (see field A1). Then, you must enter the basic data to which the concentration calculation should refer.
  • Page 64 Commissioning Liquisys M CLM223/253 a0008925 Fig. 36: Measured data for a constant process temperature (example)  Conductivity Constant temperature Concentration Measuring range The characteristics received from the measuring points must be strictly monotonously increasing or strictly monotonously decreasing in the range of the process conditions.
  • Page 65 Liquisys M CLM223/253 Commissioning Coding Field Selection or range Display Info (factory settings bold) Function group Four different concentration fields can be CONCENTRATION entered in this function group. CONCENTRA Selection of concentration curve, The curves are independent of each other.

  • Page 66: Service

    Commissioning Liquisys M CLM223/253 6.4.10 Service Coding Field Setting range Display Info (Factory settings, bold) SERVICE function Service function settings. group SERVICE ENG = English GER = German This field has to be configured once during FRA = French Select language device configuration.

  • Page 67: E+H Service

    Liquisys M CLM223/253 Commissioning Coding Field Setting range Display Info (Factory settings, bold) Reset the device to Sens = last calibration is deleted and is the basic settings reset to factory setting. Sens = sensor data Facty = all data (apart from A1 a. S1) are...

  • Page 68: Interfaces

    Commissioning Liquisys M CLM223/253 6.4.12 Interfaces Coding Field Setting range Display Info (Factory settings, bold) INTERFACE Communication settings (only for device function group version HART or PROFIBUS). INTERFACE Each address may only be used once in a Address network. HART: 0 to 15 If a device address ...

  • Page 69: Calibration

    Liquisys M CLM223/253 Commissioning Calibration To access the "Calibration" function group, press the CAL key. This function group is used to calibrate and adjust the transmitter. Two different types of calibration are possible: • Calibration by measurement in a calibration solution of a known conductivity.
  • Page 70 Commissioning Liquisys M CLM223/253 Coding Field Selection or range Display Info (factory settings bold) If the calibration status is not o.k., the o.k. Calibration status is o.k. C113 second display line shows an explanation C113 displayed E xxx of the error.
  • Page 71 Liquisys M CLM223/253 Commissioning Coding Field Selection or range Display Info (factory settings bold) If C125 = E xxx, then only no or new. Store calibration C126 If new, return to C. C126 results? If yes/no, return to “Measurement”. Store...

  • Page 72: Diagnostics And Troubleshooting

    Diagnostics and troubleshooting Liquisys M CLM223/253 Diagnostics and troubleshooting Troubleshooting instructions The transmitter constantly monitors its functions itself. If an error occurs which the device recognizes, this is indicated on the display. The error number is shown below the display of the main measured value.
  • Page 73 Liquisys M CLM223/253 Diagnostics and troubleshooting Error Display Tests and/or remedial measures Alarm contact Error current Autom. PROFIBUS cleaning start status Facty User Facty User Facty User Temp Calibration range of E049 installation factor — — Check pipe diameter, clean sensor and exceeded recalibrate.
  • Page 74 Diagnostics and troubleshooting Liquisys M CLM223/253 Error Display Tests and/or remedial measures Alarm contact Error current Autom. PROFIBUS cleaning start status Facty User Facty User Facty User Temp Distance between temp. Enter correct values in  value table values in  value table too...

  • Page 75: Process Specific Errors

    Liquisys M CLM223/253 Diagnostics and troubleshooting Process specific errors Use the following table to locate and correct errors. Error Possible cause Tests and / or remedial measures Equipment, spare parts, personnel Calibration faulty Calibrate instrument according to Calibration solution or sensor certificate chapter "Calibration".
  • Page 76 Diagnostics and troubleshooting Liquisys M CLM223/253 Error Possible cause Tests and / or remedial measures Equipment, spare parts, personnel No / incorrect temperature ATC: select compensation type; linear: compensation set correct coefficient. MTC: set process temperature. Incorrect temperature measurement Check temperature value.
  • Page 77 Liquisys M CLM223/253 Diagnostics and troubleshooting Error Possible cause Tests and / or remedial measures Equipment, spare parts, personnel Incorrect current assignment Check current assignment: 0–20 mA or Field O311 4–20 mA? Total load in current loop excessive Disconnect output and measure directly mA meter for 0–20 mA DC...
  • Page 78 Diagnostics and troubleshooting Liquisys M CLM223/253 Error Possible cause Tests and / or remedial measures Equipment, spare parts, personnel No central PA/DP module Verify by looking at nameplate: Upgrade to LSCP module, PA = -xxx3xx /DP = xxx4xx see chapter "Spare parts".

  • Page 79: Instrument Specific Errors

    Liquisys M CLM223/253 Diagnostics and troubleshooting Instrument specific errors The following table helps you during the diagnosis and points to any spare parts required. Depending on the degree of difficulty and the measuring equipment present, diagnosis is carried out by: •...
  • Page 80 Diagnostics and troubleshooting Liquisys M CLM223/253 Error Possible cause Tests and/or remedial measures Execution, tools, spare parts No function of additional CLM253: ribbon cable item 320 Check ribbon cable seating, renew cable See "Spare parts" section. relay loose or defective if required.

  • Page 81: Maintenance

    Liquisys M CLM223/253 Maintenance Maintenance Take all the necessary measures in time to guarantee the operational safety and reliability of the entire measuring system. Maintenance work at the transmitter comprises: • Calibration (see "Calibration" section) • Cleaning of assembly and sensor •...

  • Page 82: Cleaning The Conductivity Sensors

    Maintenance Liquisys M CLM223/253 8.1.2 Cleaning the conductivity sensors CAUTION Chemicals burns to the eyes and skin ‣ Wear protective goggles and safety gloves. ‣ Clean away splashes on clothes and other objects to prevent any damage. ‣ Pay particular attention to the information provided in the safety data sheets for the chemicals used.
  • Page 83 Liquisys M CLM223/253 Maintenance Conductivity For conductivity, the values in the following table are valid, if the cell constant k is set to the nominal value according to column 2. ]  1 / R[k] Otherwise: Display conductivity [mS/cm] = k[cm...

  • Page 84: Simulation Of Inductive Sensors For Device Test

    Maintenance Liquisys M CLM223/253 8.1.4 Simulation of inductive sensors for device test The inductive sensor cannot be simulated. However, the overall system comprising the transmitter and inductive sensor can be checked using equivalent resistances. Note the cell constant (k = 1.98 cm...

  • Page 85: Check Of Conductive Sensors

    Liquisys M CLM223/253 Maintenance 8.1.5 Check of conductive sensors • Measuring surface connection: The measuring surfaces are directly connected to the connections of the sensor connector. Check with ohmmeter at < 1 . • Measuring surface shunt: There may not be any shunt between the measuring surfaces.

  • Page 86: Connecting Lines And Junction Boxes

    Maintenance Liquisys M CLM223/253 8.1.7 Connecting lines and junction boxes • Use the methods described in chapters "Simulation of conductive/inductive sensors for device test" to perform a quick functional check from the conductivity sensor (sensor connector) to the measuring instrument via an extension.

  • Page 87: Repair

    Liquisys M CLM223/253 Repair Repair Spare parts Spare parts are to be ordered from your sales center responsible. Specify the order numbers listed in the chapter "Spare parts kits". To be on the safe side, you should always specify the following data with your spare part orders: •...
  • Page 88 Repair Liquisys M CLM223/253 420a 420b 15/20 40 ... 91 290/300 230V 115V 100V a0008913 Fig. 38: Exploded view of panel mounted instrument The exploded drawing contains the components and spare parts of the panel-mounted instrument. You can take the spare parts and the corresponding order number from the following section using the item numbers.
  • Page 89 Liquisys M CLM223/253 Repair Item Kit description Name Function/contents Order number Power unit (main module) LSGA 100 / 115 / 230 V AC 51500317 Power unit (main module) LSGD 24 V AC + DC 51500318 Central module cond. LSCH-S1 1 current output...

  • Page 90: Dismantling The Field Instrument

    Repair Liquisys M CLM223/253 Item Kit description Name Function/contents Order number 420a, Terminal strip set Complete terminal strip set, 51502126 420b PROFIBUS PA 420a, Terminal strip set Complete terminal strip set, 51502493 420b PROFIBUS DP Terminal strip Terminal strip for relay module...
  • Page 91 Liquisys M CLM223/253 Repair Pos. 10 Netzteil 100 – 230 V AC Sicherung 230 V 115 V 460b 100 V 40 ... 91 450b 450a 310/320 460a 15/20 290/300 450c a0008916 Fig. 39: Exploded drawing of field instrument The exploded drawing contains the components and spare parts of the field device. You can take the spare parts and the corresponding order number from the following section using the item numbers.
  • Page 92 Repair Liquisys M CLM223/253 Item Kit description Name Function/contents Order number Power unit (main module) LSGA 100 / 115 / 230 V AC 51500317 Power unit (main module) LSGD 24 V AC + DC 51500318 Central module cond. LSCH-S1 1 current output...

  • Page 93: Replacing The Central Module

    Liquisys M CLM223/253 Repair Item Kit description Name Function/contents Order number PE rail PE connection rail for screen 51501087 grounding Electronics box with relay module LSR1-x (bottom) and power unit LSGA/LSGD (top) Fuse also accessible if electronics box installed Fuse...

  • Page 94: Return

    The device must be returned if repairs or a factory calibration are required, or if the wrong device has been ordered or delivered. According to legal regulations, Endress+Hauser, as an ISO-certified company, is required to follow certain procedures when handling returned products that are in contact with medium.

  • Page 95: Accessories

    Liquisys M CLM223/253 Accessories Accessories 10.1 Sensors Condumax W CLS12 • Conductive conductivity sensor for standard, Ex and high-temperature applications; • Ordering acc. to product structure, www.products.endress.com/cls12 • Technical Information TI00082C/07/EN Condumax W CLS13 • Conductive conductivity sensor for standard, Ex and high-temperature applications;...

  • Page 96: Connection Accessories

    Accessories Liquisys M CLM223/253 10.2 Connection accessories CYK71 measuring cable • Non-terminated cable for the connection of pH sensors and COS41 oxygen sensor or the extension of sensor cables • Sold by the meter, order number: – non-Ex version, black: 50085333 –...
  • Page 97 Liquisys M CLM223/253 Accessories CYY102 universal post • Square pipe for mounting transmitters • Material: stainless steel 1.4301 (AISI 304) • Order No. CYY102-A 60 x 60 / 2.36 x 2.36 120 / 4.72 mm/inch a0005742 Fig. 41: Universal post Post mounting kit •...

  • Page 98: Software And Hardware Add-Ons

    Accessories Liquisys M CLM223/253 10.4 Software and hardware add-ons The add-ons can only be ordered by quoting the serial number of the device in question. • Plus Package Order no. 51500385 • Chemoclean Order no. 51500963 • Two-relay card Order no. 51500320 •...

  • Page 99: Technical Data

    Liquisys M CLM223/253 Technical data Technical data 11.1 Input Measured variables Conductivity, resistivity, temperature Measuring range Conductivity (conductive): 0 to 600 mS/cm (uncompensated) Conductivity (inductive): 0 to 2000 mS/cm (uncompensated) Resistivity: 0 to 200 Mcm Concentration: 0 to 9999 (%, ppm, mg/l, TDS) Temperature: -35 to +250 °C (-31 to +482 °F)

  • Page 100: Output

    Technical data Liquisys M CLM223/253 11.2 Output Output signal 0/4 to 20 mA, galvanically separated, active HART Signal coding Frequency Shift Keying (FSK) + 0.5 mA via current output signal Data transfer rate 1200 Baud Galvanic isolation PROFIBUS PA Signal coding...
  • Page 101 Liquisys M CLM223/253 Technical data Overvoltage protection according to EN 61000-4-5 Auxiliary voltage output Output voltage: 15 V ± 0.6 Output current: max. 10 mA Contact outputs Switching current with ohmic load (cos  = 1):max. 2 A Switching current with inductive load (cos  = max.
  • Page 102 Technical data Liquisys M CLM223/253 Protocol specific data HART Manufacturer ID Device type code 0092 (ind. measured), 0093 (cond. measured) Transmitter specific revision 0001 HART specification DD files www.products.endress.com/hart 250  Load HART Device variables None (dynamic variables PV, SV, only)

  • Page 103: Power Supply

    Liquisys M CLM223/253 Technical data 11.3 Power supply Supply voltage Depending on ordered version: 100/115/230 V AC +10/-15 %, 48 to 62 Hz 24 V AC/DC +20/-15 % Fieldbus connection HART Supply voltage n/a, active current outputs Integrated reverse voltage protection...

  • Page 104: Performance Characteristics

    Technical data Liquisys M CLM223/253 11.4 Performance characteristics Reference temperature 25 °C (77 °F); adjustable for the compensation of the medium temperature Resolution Conductivity: depending on the measuring range: 0.001 μS/cm to 1.999 μS/cm and k  0.5 cm Temperature: 0.1 °C...

  • Page 105: Mechanical Construction

    Liquisys M CLM223/253 Technical data 11.6 Mechanical construction Dimensions Panel mounted instrument: 96 x 96 x 145 mm (3.78 x 3.78 x 5.71 inches) Installation depth: approx. 165 mm (6.50") Field instrument: 247 x 170 x 115 mm (9.72 x 6.69 x 4.53 inches)

  • Page 106: Appendix

    Appendix Liquisys M CLM223/253 Appendix Operating matrix Entry of correct Display of calculated Calibration Calibration temperature Entry of value of Calibration status calibration solution conductivity value of installation factor entry (MTC) is displayed calibration solution InstF 25.0 C ° 2.10 %/K o.k.;...
  • Page 107 Liquisys M CLM223/253 Appendix Store calibration results yes; no; new C136 Store calibration results yes; no; new C126 Entry of measured value damping (no damping) 1 ... 60 Entry of reference temperature 25 °C –35 ... 250 °C Feedforward control = 1 0 …...
  • Page 108 Appendix Liquisys M CLM223/253 Function of R2 (7) Entry of alarm threshold Pickup delay Limit contactor configuration Switch off or on (switch-on point) entry R2 (7) EP PW 80 % 0.0 ... 100.0 % 0 ... 2000 s R274 R271...
  • Page 109 Liquisys M CLM223/253 Appendix Dropout delay entry 0 ... 2000 s R275 Dropout delay entry 0 ... 2000 s R265 Number of cleaning Set minimum pause Entry of post-rinse time Set interval between Number of repeat cycles time cycles without...

  • Page 110: Index

    Liquisys M CLM223/253 Index Access codes ........28 E+H Service .
  • Page 111 Liquisys M CLM223/253 Mains protection ....... 103 Quick ..........9 Maintenance .
  • Page 112 71212629 www.addresses.endress.com...

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