Endress+Hauser Liquisys M CUM223 Operating Instructions Manual
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Endress+Hauser Liquisys M CUM223 Operating Instructions Manual

Transmitter for turbidity and suspended solids
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BA00200C/07/EN/14.13
71212639
valid as of:
software version 2.42
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Operating Instructions

Liquisys M CUM223/253
Transmitter for turbidity and suspended solids
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Summary of Contents for Endress+Hauser Liquisys M CUM223

  • Page 1: Operating Instructions

    Products Solutions Services BA00200C/07/EN/14.13 71212639 valid as of: software version 2.42 Operating Instructions Liquisys M CUM223/253 Transmitter for turbidity and suspended solids...

  • 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 CUM223/253 Table of contents Basic safety instructions ... . . 5 Commissioning ....29 Requirements for the personnel .
  • Page 4 Liquisys M CUM223/253 Technical data.....96 11.1 Input ........96 11.2 Output .

  • Page 5: Basic Safety Instructions

    Liquisys M CUM223/253 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 CUM223/253 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 CUM223/253 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 CUM223/253 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: Installation

    3.1.1 Measuring system A complete measuring systems comprises: • The transmitter Liquisys M CUM223 or CUM253 • A sensor with or without an integrated temperature sensor • An immersion, flow or retractable assembly Options: extension cable CYK81, junction box VBM or RM...

  • Page 10: Installation Conditions

    Installation Liquisys M CUM223/253 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. 1: Field instrument There is a hole in the punching for the cable entry (connection of supply voltage).

  • Page 11: Panel-Mounted Instrument

    Liquisys M CUM223/253 Installation 3.2.2 Panel-mounted instrument 0.24 92 / 3.62 90 / 3.54 mm / inch a0005735 Fig. 3: Panel-mounted instrument Endress+Hauser...

  • Page 12: Installation Instructions

    Installation Liquisys M CUM223/253 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 CUM223/253 Installation 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 Installation Liquisys M CUM223/253 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. 6: Mounting field device with universal posts and weather protection cover...

  • Page 15: Panel-Mounted Instrument

    Liquisys M CUM223/253 Installation 3.3.2 Panel-mounted instrument The panel-mounted instrument is secured with the clamping screws supplied (see  å 7). 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 CUM223/253 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: Electrical Connection

    Liquisys M CUM223/253 Electrical connection 4.1.1 Electrical connection 10-50 V 23 + 24 - 10-50 V 15 V L– a0003126 Fig. 8: Electrical connection of the transmitter Sensor Relay 1 (current-free contact position) Signal output 1 turbidity/solids content Relay 2 (current-free contact position)
  • Page 18 Electrical connection Liquisys M CUM223/253 Field instrument connection To connect the field instrument proceed as follows: Open the front cover to get access to the terminals. Cut the punching for the Pg gland out of the housing. Mount a Pg gland and guide the measuring cable through the Pg gland into the housing.

  • Page 19: Measuring Cable And Sensor Connection

    Liquisys M CUM223/253 Electrical connection Panel-mounted instrument connection Connect the cables in accordance with the connection diagram. 131083-4C 131084-4C Sensor 31 + REL1 32 - 33 + Temp. (opt.) 34 - 88 - REL2 87 + 85 + +15V 10mA...
  • Page 20 Electrical connection Liquisys M CUM223/253 Structure of the measuring cable Sensor CUM 2x3 Com A Com B –U a0003265 Fig. 11: Structure of measuring cable CYK8 and CYK81 (extension cable) For further information on cables and junction boxes refer to the chapter "Accessories".

  • Page 21: Alarm Contact

    Liquisys M CUM223/253 Electrical connection 4.1.3 Alarm contact a0006415 Fig. 13: Recommended fail-safe switching for the alarm contact A Normal operating status B Alarm condition Normal operating status: Alarm condition Device in operation and no error message Error message present (alarm LED red) or...

  • Page 22: Operability

    Operability Liquisys M CUM223/253 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 23: Operating Elements

    Liquisys M CUM223/253 Operability LC display R262 Setpoint a0003172-en Fig. 14: LC display transmitter Indicator for measuring mode (normal operation) Function code display Indicator for calibration mode In measuring mode: measured variable Indicator for setup mode (configuration) In setup mode: configured variable Indicator for "Hold"...

  • Page 24: Key Assignment

    Operability Liquisys M CUM223/253 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 25 Liquisys M CUM223/253 Operability 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 26: Local Operation

    Operability Liquisys M CUM223/253 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 27: Operating Concept

    Liquisys M CUM223/253 Operability 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 28 Operability Liquisys M CUM223/253 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 29: Commissioning

    Liquisys M CUM223/253 Commissioning 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 30 Commissioning Liquisys M CUM223/253 Selecting and locating functions is facilitated by a code displayed for each function in a special display field  å 18. C131 C132 C133 The structure of this coding is given in  å 19. C121 The first column indicates the function group as a letter (see group designations).

  • Page 31: Quick Start-Up

    Liquisys M CUM223/253 Commissioning 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 32 Commissioning Liquisys M CUM223/253 User input Setting range Display (Factory settings, bold) 14. In B1, switch wiper controller on or off. Press ENTER to confirm. auto wiper 15. In B2, enter operation period of wiper. 30 s Press ENTER to confirm.
  • Page 33 Liquisys M CUM223/253 Commissioning User input Setting range Display (Factory settings, bold) 23. Press MINUS to go to the "Current output" function group 24. Press ENTER to edit "Current output". OUTPUT Out1 25. In O1, select current output. Out1 Press ENTER to confirm.

  • Page 34: System Configuration

    Commissioning Liquisys M CUM223/253 System configuration 6.4.1 Setup 1 (Turbidity) In the SETUP 1 function group, you can change the operating mode and the sensor settings. Coding Field Selection or range Display Info (factory settings bold) Function group Basic settings.

  • Page 35: Setup 2 (Temperature)

    Liquisys M CUM223/253 Commissioning 6.4.2 Setup 2 (Temperature) In the SETUP 2 function group, you can change the temperature and wiper settings. Coding Field Selection of range Display Info (factory settings bold) Function group Initial display in function group SETUP 2.
  • Page 36 Commissioning Liquisys M CUM223/253 Coding Field Selection of range Display Info (factory settings bold) Compensates gas bubble formation, which may arise from small amounts of dissolved gas in the medium. Enter gas bubble 0.1 % 0.1 % = no formation of gas bubbles.

  • Page 37: Current Input

    Liquisys M CUM223/253 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 38 Commissioning Liquisys M CUM223/253 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. You apply this flow rate value (0/4 to 20 mA) as feedforward control to the PID controller.
  • Page 39 Liquisys M CUM223/253 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 40: Current Outputs

    Commissioning Liquisys M CUM223/253 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 41 Liquisys M CUM223/253 Commissioning First enter the desired current output configuration into the following blank table with a pencil. Calculate the resulting signal distance per mA to observe the necessary minimum slope. Then enter the values in the device. Current output 1...
  • Page 42 Commissioning Liquisys M CUM223/253 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 Output 2 not available for all versions.
  • Page 43 Liquisys M CUM223/253 Commissioning Coding Field Setting range Display Info (Factory settings, bold) Entering a current value results in this 4.00 Enter simulation Current value O321 value being directly output at the current O321 value 0.00 to 22.00 mA output.

  • Page 44: Monitoring Functions

    Commissioning Liquisys M CUM223/253 6.4.5 Monitoring functions The monitoring functions are used to 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). An alarm condition can be defined to activate a cleaning function (F8)
  • Page 45 Liquisys M CUM223/253 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 46 Commissioning Liquisys M CUM223/253 Monitoring functions at a glance Functional Possible Alarm event Application description settings — – Freely only lower AT Lower AT reached or adjustable dropped below lower alarm Applications with Alarm threshold threshold (AT) or without dosage...
  • Page 47 Liquisys M CUM223/253 Commissioning 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 Alarm signalling optionally with or without simultaneous controller switch-...

  • Page 48: Relay Contact Configuration

    Commissioning Liquisys M CUM223/253 6.4.6 Relay contact configuration To use the RELAY function group, you need a relay board which is not part of the basic version. The following relay contacts can be selected and configured as desired (max. four contacts, depending on options installed): •...
  • Page 49 Liquisys M CUM223/253 Commissioning P(ID) controller You can define various controller functions for the transmitter. On the basis of the PID controller, P, PI, PD and PID controllers can be implemented. For an optimum control system, use the controller that best suits your application. Depending on the option selected in the R 237/R 266 field, the actuating signal can be output via relays or via current output 2 (if available).
  • Page 50 Commissioning Liquisys M CUM223/253 Control and fine optimization of the set parameters with a recorder a0008924 Optimization of settings T and K Actual value too small too small Time too large Optimum setting too large Actuating signal outputs (R237 to R2310) Each control contact outputs a cyclical signal whose intensity corresponds to the controller' s manipulated variable.
  • Page 51 Liquisys M CUM223/253 Commissioning Constant controller Via the current output 2, the minimum actuating variable (0 %) of the controller is output with 0/4 mA and the maximum actuating variable (100%) of the controller is output with 20 mA. Control characteristic for direct and inverse control action You can choose between two control characteristics in the R236 field: •...
  • Page 52 Commissioning Liquisys M CUM223/253 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 53 Liquisys M CUM223/253 Commissioning Chemoclean function Just like the timer function, Chemoclean can also be used to start a cleaning cycle. However, Chemoclean also gives you the added option of defining different cleaning and rinsing intervals. As a result, it is possible to clean irregularly with different repeat cycles and to separately set the cleaning times with post rinse times.
  • Page 54 Commissioning Liquisys M CUM223/253 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 55 Liquisys M CUM223/253 Commissioning Coding Field Setting range Display Info (Factory settings, bold) If the alarm threshold is undershot/ 9999 FNU overshot, this triggers an alarm with the 9999 NTU error message and error current at the 9999 ppm / 3000 ppm transmitter (note alarm delay in field F3).
  • Page 56 Commissioning Liquisys M CUM223/253 Coding Field Setting range Display Info (Factory settings, bold) Display status for R227 Display only. R227 limit contactor LC State LC PV = limit contactor TU (1) By confirming with ENTER, another relay Configure P(ID) LC °C = limit contactor T (2)
  • Page 57 Liquisys M CUM223/253 Commissioning Coding Field Setting range Display Info (Factory settings, bold) This field only appears if pulse length is 10.0 10.0 s selected in R237. R238 Enter pulse interval R238 0.5 to 999.9 s If pulse frequency is selected, R238 is skipped and entries continue with R239.
  • Page 58 Commissioning Liquisys M CUM223/253 Coding Field Setting range Display Info (Factory settings, bold) Configure cleaning LC PV = limit contactor with Chemoclean See "Chemoclean function" section. TU(1) (for version with four By confirming with ENTER, another relay Clean LC °C = limit contactor T (2)

  • Page 59: Concentration Measurement

    Liquisys M CUM223/253 Commissioning Coding Field Setting range Display Info (Factory settings, bold) Enter number of After cleaning with cleaner, up to 9 cleaning cycles cleaning sessions can be carried out with R259 without cleaning R259 0 to 9 water only until the next cleaning session...
  • Page 60 Commissioning Liquisys M CUM223/253 Coding Field Selection or range Display Info (factory settings bold) kg/l 0.00 Enter concentration entire measuring range Measuring unit as selected in A2. value concentr. Only display Message whether or If not, then set table correctly (all previous...

  • Page 61: Service

    Liquisys M CUM223/253 Commissioning 6.4.8 Service Coding Field Setting range Display Info (Factory settings, bold) SERVICE function Service function settings. group SERVICE ENG = English GER = German FRA = French Select language ITA = Italian NL = Dutch Language...

  • Page 62: E+H Service

    Commissioning Liquisys M CUM223/253 Coding Field Setting range Display Info (Factory settings, bold) Reset the device to the basic settings Facty = all data (apart from A1 a. S1) are Facty = factory settings deleted and reset to the factory setting! S.Default...

  • Page 63: Interfaces

    Liquisys M CUM223/253 Commissioning 6.4.10 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 64: Calibration

    Commissioning Liquisys M CUM223/253 Calibration Measuring chain calibration is performed in this function group. The calibration data are saved in an EEPROM directly in the sensor. For this reason: • Recalibration is not required in the event of a power failure •...
  • Page 65 Liquisys M CUM223/253 Commissioning Pay attention to the following: • Sludge samples tend sediment. Mix the sample well, even during the calibration process, but not to the extent that gas bubbles are formed. • The sensor has to be far enough away from the floor and the wall of the calibration vessel during calibration.
  • Page 66 Commissioning Liquisys M CUM223/253 A different dilution ratio should be selected for very high-absorption media to achieve accurate calibration results. Instead of 100 % – 33 % – 10 %, you can use dilution ratios of 100 % – 20 % – 5 % or 100% – 10 % – 3.3 %.
  • Page 67 Liquisys M CUM223/253 Commissioning Version TB: Initial settings for residual concrete water The version TB contains the Plus-package with additional setting options. The default values set in individual fields of the menus differ from the standard version to make commissioning as simple as possible.
  • Page 68 Commissioning Liquisys M CUM223/253 Coding Field Selection or range Display Info (factory settings bold) Function group Calibration settings. CALIBRATION CALIBRAT 3-Pt = Three-point calibration (1) Corr = Three-point correction (2) For data set 1 (B4), only the “Data” 3-Pt Edit = Edit calibration (3)
  • Page 69 Liquisys M CUM223/253 Commissioning Coding Field Selection or range Display Info (factory settings bold) Cancel Warning Warning Cancel E045 E045 o.k. Calibration status is o. k. E084 E084 C114 C114 displayed E. xxx Status 50 % 200 % 500 % 20 % C161 ...
  • Page 70 Commissioning Liquisys M CUM223/253 Coding Field Selection or range Display Info (factory settings bold) Enter concentration 330.0 Current value from C112 C132 of the second C132 C132  1.1 x C131 calibration solution Concentr2 Enter concentration 1000.0 Current value from C113...
  • Page 71 Liquisys M CUM223/253 Commissioning Coding Field Selection or range Display Info (factory settings bold) For FNU: 3-Pt = Three-point Adaption C164, C165 calibration (1) Corr = Three-point For ppm, mg/l: correction (2) up to 500 - adaption C164, C165 1-Pt...
  • Page 72 Commissioning Liquisys M CUM223/253 Coding Field Selection or range Display Info (factory settings bold) C164 Slope 1 is displayed Current value Slope of characteristic 1 of the sensor C164 Slope 1 C165 Slope 2 is displayed Current value Slope of characteristic 2 of the sensor...

  • Page 73: Offset

    Liquisys M CUM223/253 Commissioning Offset The settings in the OFFSET function group can be used to calibrate the measurement to a reference measurement. This requires a linear shift of all the measured values, i.e. the adjustment is determined for one measured value, and all others are calculated using the same adjustment.

  • Page 74: Slope

    Commissioning Liquisys M CUM223/253 Slope With the settings in the function group SLOPE, a measured value can be adapted to a reference value. All measured values are proportionally adapted over the entire measuring range according to this change. Example: The displayed measured value is 2.5 g/l. It is adapted to the reference value of 2.0 g/l by means of the slope function.

  • Page 75: Diagnostics And Troubleshooting

    Liquisys M CUM223/253 Diagnostics and troubleshooting 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 76 Diagnostics and troubleshooting Liquisys M CUM223/253 Error Display Tests and/or remedial measures Alarm contact Error current Autom. PROFIBUS cleaning start status Facty User Facty User Facty User Temp Below current output E063 range 1 Current output range 1 E064 exceeded Check measured value and current assignment.
  • Page 77 Liquisys M CUM223/253 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 Check settings in the CURRENT INPUT E162 Dosage stop and CHECK function groups.

  • Page 78: Process Specific Errors

    Diagnostics and troubleshooting Liquisys M CUM223/253 Process specific errors Use the following table to locate and correct errors. Error Possible cause Tests and / or remedial measures Equipment, spare parts, personnel Sensor / sensor cable defective Test with new or with different CUS31 or CUS41 (either type is suitable functional sensor.
  • Page 79 Liquisys M CUM223/253 Diagnostics and troubleshooting Error Possible cause Tests and / or remedial measures Equipment, spare parts, personnel Controller switched off Activate controller. See fields R2xx. Controller in "Manual/Off" mode Choose "Auto" or "Manual/On" mode. Keyboard, REL-key Controller/limit contact Pickup delay setting too long Disable or shorten pickup delay.
  • Page 80 Diagnostics and troubleshooting Liquisys M CUM223/253 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 81: Instrument Specific Errors

    Liquisys M CUM223/253 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 82 Diagnostics and troubleshooting Liquisys M CUM223/253 Error Possible cause Tests and/or remedial measures Execution, tools, spare parts Adjustment not correct Check with installed current simulation, If simulation value incorrect: adjustment Load too big connect mA meter directly to current in factory or new module LSCxx required.

  • Page 83: Maintenance

    Liquisys M CUM223/253 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 84: Checking The Measuring Point

    Maintenance Liquisys M CUM223/253 8.1.2 Checking the measuring point The sensors CUS31 and CUS41 cannot be simulated as they contain the complete data processing and all the measured values are transmitted to CUM223/253 using the digital interface RS 485. Therefore a functional sensor is required for the measuring point test.

  • Page 85: Repair

    Liquisys M CUM223/253 Repair Repair 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 86 Repair Liquisys M CUM223/253 426a 426b 10 / 20 40 ... 90 290 / 300 230V 115V 100V a0003171 Fig. 33: Exploded view drawing of panel-mounted instrument The exploded view drawing contains the components and spare parts of the panel-mounted instrument.
  • Page 87 Liquisys M CUM223/253 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 (controller) LSCH-S1 1 current output...

  • Page 88: Dismantling The Field Instrument

    Repair Liquisys M CUM223/253 Dismantling the field instrument Please note the effects on the process if the device is taken out of service! To dismantle the field instrument you need the following tools: • Standard set of screwdrivers • Torx-screwdriver size TX 20 Proceed as follows: Open and remove the cover of the connection compartment (item 420).
  • Page 89 Liquisys M CUM223/253 Repair Pos. 10 Netzteil 100 – 230 V AC Sicherung 230 V 115 V 460b 100 V 40 ... 90 450b 450a 310/320 460a 10/20 290/300 450c a0003173 Fig. 34: Exploded view drawing of field instrument The exploded view 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 90 Repair Liquisys M CUM223/253 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 (controller) LSCH-S1 1 current output...

  • Page 91: Replacing The Central Module

    Liquisys M CUM223/253 Repair Replacing the central module Generally, when a central module has been replaced, all data which can be changed are set to the factory setting. Proceed as described below if a central module is replaced: If possible, note the customized settings of the device, such as: –...

  • Page 92: 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 93: Accessories

    Liquisys M CUM223/253 Accessories Accessories 10.1 Sensors Turbimax W CUS31 • Turbidity sensor for drinking water and wastewater applications, 90 ° scattered light method • Ordering acc. to product structure, see Technical Information (TI176C/07/en) Turbimax W CUS41 • Turbidity sensor for wastewater and solid content measurements, 90 ° scattered light method •...

  • Page 94: Mounting Accessories

    Accessories Liquisys M CUM223/253 10.3 Mounting accessories CYY101 weather protection cover for field devices, absolutely essential if operating the unit outdoors • Material: stainless steel 1.4031 (AISI 304) • Order No. CYY101-A 300 (11.8) 270 (10.6) mm (inch) a0019166 Fig. 35:...

  • Page 95: Measuring System

    Liquisys M CUM223/253 Accessories Post mounting kit • For mounting of field housing on horizontal or vertical pipes (Ø max. 60 mm (2.36")) • Material: stainless steel 1.4301 • order no. 50086842 90 / 3.54 Ø max. 60 / 2.36 70 / 2.76...

  • Page 96: Technical Data

    Technical data Liquisys M CUM223/253 Technical data 11.1 Input Measured variables Turbidity, suspended solids, temperature Measuring range CUS31: 0.000 to 9999 FNU/NTU 0.00 to 3000 ppm 0.0 to 3.0 g/l 0.0 to 200.0 % CUS41: 0.00 to 9999 FNU/NTU 0.00 to 9999 ppm 0.0 to 300.0 g/l...

  • Page 97: Output

    Liquisys M CUM223/253 Technical data 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 98 Technical data Liquisys M CUM223/253 Controller Function (adjustable): pulse length/pulse frequency controller Controller response: Control gain K 0.01 to 20.00 Integral action time T 0.0 to 999.9 min Derivative action time T 0.0 to 999.9 min Period for pulse length controller: 0.5 to 999.9 s...

  • Page 99: Power Supply

    Liquisys M CUM223/253 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 100: Performance Characteristics

    Technical data Liquisys M CUM223/253 11.4 Performance characteristics Measured value CUS31: 0.001 FNU/NTU, 0.01 ppm, 0.01 g/l, 0.01 % resolution CUS41: 0.01 FNU/NTU, 0.01 ppm, 0.01 g/l, 0.01 % Temperature: 0.1 °C Maximum Display measured error CUS31/CUS41: ± 2 % of measured value (min. 0.02 FNU) Temperature: max.

  • Page 101: Mechanical Construction

    Liquisys M CUM223/253 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 102: Appendix

    Appendix Liquisys M CUM223/253 Appendix Operating matrix Enter absolute value Store offset Function group Enter offset Calibration status is displayed OFFSET current measured value yes; no; new o.k. E--- Enter absolute value Calibration status Store slope Function group Enter slope...
  • Page 103 Liquisys M CUM223/253 Appendix Display of conversion factor current value C166 Entry of gas bubble Entry of Entry of correct barrier temperature difference process temperature (offset) 3.0% current meas. value 0.1 … 100% current offset –5.0 ... 100.0 °C –5.0...5.0 °C...
  • Page 104 Appendix Liquisys M CUM223/253 a0007367 Endress+Hauser...
  • Page 105 Liquisys M CUM223/253 Appendix Feedforward control = 1 0 … 100% Entry of x value Entry of y value Table status o.k. (meas. value) (current value) yes; 0.000 NTU 4.00 mA FNU / g/l / % 0.0 ... 20.0 mA...
  • Page 106 Appendix Liquisys M CUM223/253 Funkction group Select table to be Table option Set number of Entry of turbidity Selection of concentration Value pair selection CONCENTRATION selection value pairs value curve for calibration of edited display value MEASUREMENT read 0 NTU / FNU / ppm / mg/l / 1 ...
  • Page 107 Liquisys M CUM223/253 Appendix Table status o.k. Entry of concentration yes; entire measuring range Serial number Reset of instrument Order number Perform instrument test is displayed to basic values is displayed Sens = sensor data; Displ = display test Facty = factory settings...
  • Page 108 Appendix Liquisys M CUM223/253 Endress+Hauser...

  • Page 109: Index

    Liquisys M CUM223/253 Index Access codes ........27 E+H Service .
  • Page 110 Liquisys M CUM223/253 Mains protection....... . . 99 Quick commissioning ......31 Maintenance .
  • Page 111 Liquisys M CUM223/253 Endress+Hauser...
  • Page 112 71212639 www.addresses.endress.com...

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