Endress+Hauser Liquisys M COM 223 F Operating Instructions Manual
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Endress+Hauser Liquisys M COM 223 F Operating Instructions Manual

Transmitter for dissolved oxygen
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BA 246C/07/en/07.02
No. 51505938
Software version 2.40 or higher
Liquisys M
COM 223 F / 253 F
Transmitter for
Dissolved Oxygen
Operating Instructions
ENDRESS+HAUSER
LIQUISYS M
Endress
The Power of Know How
ENDRESS+HAUSER
LIQUISYS M
+
Hauser

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  • Page 1 Liquisys M BA 246C/07/en/07.02 No. 51505938 Software version 2.40 or higher COM 223 F / 253 F Transmitter for Dissolved Oxygen Operating Instructions ENDRESS+HAUSER LIQUISYS M ENDRESS+HAUSER LIQUISYS M Endress Hauser The Power of Know How...
  • Page 2 You want to find out about the device. Just look here: General information Safety You wish to install the device. The required steps are described in this chapter: Installation You wish to operate or reconfigure the device. The operating concept is explained in these chapters: Operation Device configuration Interfaces...

  • Page 3: Table Of Contents

    Corrective maintenance of Liquisys M COM 223 F ....... .

  • Page 4: General Information

    General information Liquisys M COM 223 F / 253 F General information Symbols used Warning: Double insulation This symbol alerts to hazards which Equipment protected by double could cause serious injuries as well insulation. as damage to the equipment if ignored.

  • Page 5: Product Overview

    Liquisys M COM 223 F / 253 F General information OM253E01.CHP Product overview You can recognise the device version from the order code or the nameplate. Sub “codes” are the release codes for Software upgrade shown for ChemoClean (left of diagonal line) or Plus packet (right of diagonal line).

  • Page 6: Safety Instructions

    Liquisys M COM 223 F / 253 F Safety instructions Intended application The Liquisys M COM 223 F / 253 F is a The Liquisys M COM 223 F / 253 F is reliable, field-tested transmitter for measuring particularly suitable for use in the following the oxygen content of fluidmedia.

  • Page 7: Monitoring And Safety Features

    Liquisys M COM 223 F / 253 F Safety instructions OM253 FE02.CHP Monitoring and safety features Safety features Monitoring features The transmitter is protected against external In the event of a system error or power failure, influences and damage by the following...

  • Page 8: Installation

    Installation Liquisys M COM 223 F / 253 F Installation For a complete installation of the measuring point, proceed as follows: • Installation or fixing of the transmitter(see Chap. 3.3) • Selection and connection of cable and sensor (see Chap. 3.4, 3.5 and 9) •...

  • Page 9: Dimensions

    Liquisys M COM 223 F / 253 F Installation OM253FE3.CHP Dimensions ENDRESS+HAUSER LIQUISYS M GEHAEUS1.CDR REL1 ALARM REL2 REL1 REL2 Dimensions of Liquisys FELD1.CDR Fig. 3.3 M COM 253 F Note: There is a hole in the punching for Pg 16 cable entry. It serves as a pressure balance during air freight dispatching.

  • Page 10: Mounting

    Installation Liquisys M COM 223 F / 253 F EINBAU1.CDR Liquisys M COM 223 F, EINBAU2.CDR Fig. 3.4 Mounting version Mounting 3.3.1 Field instrument Several mounting options are available for the With direct weathering, use the weather Liquisys M in the field instrument version: protection cover CYY 101.
  • Page 11 Liquisys M COM 223 F / 253 F Installation OM253FE3.CHP Post mounting kit Universal mounting post CYY 102 Installation kit for installing the field housing Square pipe for installation of transmitters; on horizontal and vertical posts Material: Stainless steel 1.4301 (AISI 304);...
  • Page 12 Installation Liquisys M COM 223 F / 253 F 3.3.2 Mounting examples Liquisys M, field instrument: MONT10.CDR Fig. 3.7 Pipe mounting Liquisys M, field instrument: left: Wall mounting right: Mounting with universal post and weather MONT2.CDR Fig. 3.8 protection cover...
  • Page 13 Liquisys M COM 223 F / 253 F Installation OM253FE3.CHP 3.3.3 Panel-mounted instrument The instrument is attached using the supplied clamping screws (see Fig. 3.9). The total installation depth required is approx. 165 mm. +0.5 Fixing of mounting instrument max. 45 1 Front of approx.

  • Page 14: Electrical Connection

    Installation Liquisys M COM 223 F / 253 F Electrical connection Wiring diagram The wiring diagram depicted in Fig. 3.10 shows the instrument connections for an oxygen sensor. The terminal assignment of the sensor COS 21 and the cable COK 21 is shown in more detail in Figs.
  • Page 15 Liquisys M COM 223 F / 253 F Installation OM253FE3.CHP Note: Caution! Please label the sensor terminal • Terminal designated as NC block with the enclosed sticker. may not be switched. • Undesignated terminals may not be switched. Connections of field instrument For connection, the measuring cables are introduced through the cable glands on the field instrument and connected according to the diagrams in Figs.

  • Page 16: Sensor Installation And Measuring Cable Connection

    Installation Liquisys M COM 223 F / 253 F Sensor installation and measuring cable connection Measuring cable connection The terminal block is located in a separate Note: connection compartment which is accessible by opening the plastic cover. Remove the •...

  • Page 17: Operation

    Liquisys M COM 223 F / 253 F Operation OM253FE4.CHP Operation Operator interface Display of active LCD to display contact and key for measured values relay switchover and configurations in manual mode data mg/l 1 8 5 R232 Setpoint Display LED for...

  • Page 18: Key Functions

    Operation Liquisys M COM 223 F / 253 F Key functions CAL key When the CAL key is pressed, the instrument prompts for the calibration access code: Code 22 for calibration Code 0 or any code for calibration data checking.

  • Page 19: Auto / Manual Mode Of Operation

    Liquisys M COM 223 F / 253 F Operation OM253FE4.CHP Auto / manual mode of operation Auto mode In this mode, the relays are controlled by the transmitter. REL key In manual mode, the REL key is used to select one of the relays or the cleaning function present in the instrument.

  • Page 20: Operating Concept

    Operation Liquisys M COM 223 F / 253 F Operating concept 4.5.1 Operating modes Measurement mode: Standard operating status, display of current measured values Setup mode: Calibration mode: Access to all Runs through the configuration calibration procedure settings Code Press the PLUS or MINUS key to select the function group.
  • Page 21 Liquisys M COM 223 F / 253 F Operation OM253FE4.CHP 4.5.2 Access codes All instrument access codes are fixed, i.e. they cannot be modified. When the instrument requests the access codes, it recognises the difference between codes (cf. Fig. 5.3): •...
  • Page 22 Operation Liquisys M COM 223 F / 253 F Hold function: “freezes” the outputs 4.5.4 The current output is “frozen” in the setup mode and during calibration, i.e. the last current value is constantly output. HOLD appears on the display. In case of steady control (4... 20 mA) on current output 2, it is set to 0/4 mA during Hold.

  • Page 23: Instrument Configuration

    Liquisys M COM 223 F / 253 F Instrument configuration OM253FE5A.CHP Instrument configuration After switching on, the instrument carries out Setup mode a self-test and then switches to measuring mode. SETUP 1 (A) see Chap. 5.2.1 SETUP 2 (B) see Chap. 5.2.2...
  • Page 24 Instrument configuration Liquisys M COM 223 F / 253 F Factory settings When the instrument is switched on for the first time, the factory settings are in effect. The following table provides an overview of all major settings. Please refer to the description of the individual function groups in chapter 5 for all other factory settings (the factory settings are printed in bold).

  • Page 25: Start-Up

    Liquisys M COM 223 F / 253 F Instrument configuration OM253FE5A.CHP Start-up After switching the instruement on, make the following settings to the specified function groups: • Function group SERVICE (S) • Function group SETUP 2 (B) S1: Select language and exit function Adjust all the parameters in this group;...
  • Page 26 Instrument configuration Liquisys M COM 223 F / 253 F Selection or range Coding Field Display Info default (bold) Only exists if pressure Enter altitude compensation in A2 has been 0 ... 4000 m switched off. Damping Measured value damping causes...

  • Page 27: Current Input

    This function group offers two independent application solutions, provided that the current output of an external measured quantity, e.g. flow meter, is connected to the 4 … 20 mA input of Liquisys M COM 223 F / 253 F. The following assignments then apply: Flow in...
  • Page 28 Instrument configuration Liquisys M COM 223 F / 253 F 5.3.2 Feedforward control to PID controller In processes with very short response times it may be practical to apply the flow rate to the controller, if the flow rate fluctuates, in order to optimise the control process.
  • Page 29 Liquisys M COM 223 F / 253 F Instrument configuration OM253FE5A.CHP Selection or range Coding Field Display Info Factory setting (bold) Initial display in Function group function group CURRENT INPUT CUR.INPUT CURRENT INPUT. Select flow rate Only switch on when flow meter monitoring of main is connected in main stream.

  • Page 30: Current Outputs

    Instrument configuration Liquisys M COM 223 F / 253 F Current outputs The function group CURRENT OUTPUT is used to configure the individual outputs. Either a linear (O3 (1)) or, in conjunction with the Plus packet, a user-defined current output characteristic (O3 (3)) can be entered.
  • Page 31 Liquisys M COM 223 F / 253 F Instrument configuration OM253FE5A.CHP Selection or range Coding Field Display Info default (bold) Function group Initial display in function group CURRENT CURRENT OUTPUT. OUTPUT OUTPUT Out1 Select current A different characteristic can be...
  • Page 32 Instrument configuration Liquisys M COM 223 F / 253 F Selection or range Coding Field Display Info default (bold) 4.00 The current value entered here is current value O321 O321 Simulation value output through the current output. 0.00 ... 22.00 mA Simulat.

  • Page 33: Monitoring Functions

    Liquisys M COM 223 F / 253 F Instrument configuration OM253FE5A.CHP Monitoring functions The monitoring functions are used to define various alarms and to set 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 34 Instrument configuration Liquisys M COM 223 F / 253 F Selection or range Coding Field Display Info default (bold) With »no« setting, the other alarm settings are deactivated (e.g. alarm delay). The settings Activate the alarm themselves are retained. This...
  • Page 35 Liquisys M COM 223 F / 253 F Instrument configuration OM253FE5A.CHP 5.5.2 Check The function group CHECK is only accessible for instruments equipped with the Plus packet. Selection or range Coding Field Display Info default (bold) Function group Settings for sensor and process monitoring.

  • Page 36: Relay Contact Configuration

    Instrument configuration Liquisys M COM 223 F / 253 F Relay contact configuration The function group RELAYS is only accessible for instruments equipped with the Plus packet. The relay contacts described below can be selected and configured in any way (max. four contacts depending on options installed): •...
  • Page 37 Liquisys M COM 223 F / 253 F Instrument configuration OM23FE5B.CHP 5.5.2 P(ID) controller The Liquisys M supports the definition of various controller functions. On the basis of the PID controller, P, PI, PD and PID controllers can be implemented. To obtain the best control response, use the controller best suited to the application in question.
  • Page 38 Instrument configuration Liquisys M COM 223 F / 253 F Checking and fine tuning of parameter settings using a recorder Actual Actual value value too big too small Time Time Actual Actual value value too big too small Time Time...
  • Page 39 Liquisys M COM 223 F / 253 F Instrument configuration OM23FE5B.CHP Control characteristic for direct and inverted control action Field R236 offers two control characteristics for selection which have the effects shown in the following diagram. 100 % direct = max function –...
  • Page 40 Instrument configuration Liquisys M COM 223 F / 253 F 5.5.4 ChemoClean function Just like the timer function, ChemoClean can Note: also be used to start a cleaning cycle. By comparison, the function scope is extended • Use relays 3 (water) and 4...
  • Page 41 Liquisys M COM 223 F / 253 F Instrument configuration OM23FE5B.CHP Selection or range Coding Field Display Info default (bold) Switch R211 R211 function of R2 (1) All settings are retained. off or on Function 20.00 mg/l mg/l Never set switch-on point and 20.00...
  • Page 42 Instrument configuration Liquisys M COM 223 F / 253 F Selection or range Coding Field Display Info default (bold) Switch function of R221 R221 R2 (2) off or on Function 60.00 °C Enter switch-on Never set switch-on point and 60.0 °C...
  • Page 43 Liquisys M COM 223 F / 253 F Instrument configuration OM23FE5B.CHP Selection or range Coding Field Display Info default (bold) The set point is the value to be 5.00 mg/l maintained by the control. This 5.00 mg/l 0.00 ... 20.00 mg/l...
  • Page 44 Instrument configuration Liquisys M COM 223 F / 253 F Selection or range Coding Field Display Info default (bold) Selecting the basic load, you choose the desired dosage quantity. R2311 Enter basic load R2411 100% basic load corresponds to: 0 ... 40%...
  • Page 45 Liquisys M COM 223 F / 253 F Instrument configuration OM23FE5B.CHP Selection or range Coding Field Display Info default (bold) = internal The “int” cycle is triggered by the (timer-contr.) end of the pause time (R257). = external Selection of start There is no real-time clock.

  • Page 46: Service

    Instrument configuration Liquisys M COM 223 F / 253 F Service Selection or range Coding Field Display Info default (bold) Function group SERVICE SERVICE ENG = English GER = German This field must be configured Selection of FRA = French once (see Chap.
  • Page 47 Liquisys M COM 223 F / 253 F Instrument configuration OM23FE5B.CHP Selection or range Coding Field Display Info default (bold) The order code is not changed order Order code is after an upgrade. The delivery displayed state will be displayed.

  • Page 48: E+H Service

    Instrument configuration Liquisys M COM 223 F / 253 F E+H Service Selection or range Coding Field Display Info default (bold) Function group E+H SERVICE E+H SERV Contr = controller (1) Contr Selection of Trans = transmitter (2) module Main = power unit (3)

  • Page 49: Interfaces

    Liquisys M COM 223 F / 253 F Instrument configuration OM23FE5B.CHP Interfaces Selection or range Coding Field Display Info default (bold) see additional BA Function group ® 208C/07/en (HART INTERFACE ® 209C/97/en (PROFIBUS INTERFACE Address HART: 0 ... 15 Enter address Only for communication.
  • Page 50 Instrument configuration Liquisys M COM 223 F / 253 F Selection or range Coding Field Display Info default (bold) Function group CALIBRATION CALIBRAT Calibration C1 (1) in air Calibrat Remove the sensor from the medium. The sensor slope is checked for 10 s after 530 s (desired range 75 % ...
  • Page 51 Liquisys M COM 223 F / 253 F Instrument configuration OM23FE5B.CHP Selection or range Coding Field Display Info default (bold) 100.0 100,0 % C122 C122 Slope is displayed 75.0 ... 140.0 % Slope o.k. Calibration status o.k. C123 C123 is displayed...

  • Page 52: Interfaces

    Interfaces Liquisys M COM 223 F / 253 F Interfaces For instruments with a communication interface, please refer to the special Operating ® ® Instructions BA 208C/07/en (HART ) or BA 209C/07/en (PROFIBUS Endress+Hauser...
  • Page 53 Liquisys M COM 223 F / 253 F Interfaces OM23FE6.CHP Endress+Hauser...

  • Page 54: Maintenance And Troubleshooting

    Maintenance and troubleshooting Liquisys M COM 223 F / 253 F Maintenance and troubleshooting Maintenance: Please take all measures in due time which will guarantee the safety of operation and reliability of the entire measuring device. Maintenance of COM 223 F / 253 F comprises: •...
  • Page 55 Liquisys M COM 223 F / 253 F Maintenance and troubleshooting OM253FE7.CHP Error Possible cause Remedy Equipment needed, spare parts – Polarisation incomplete Wait for sensor to polarise after Polarisation is complete when commissioning (incl. interruptions meas. value is stable; max. approx.
  • Page 56 Maintenance and troubleshooting Liquisys M COM 223 F / 253 F Error Possible cause Remedy Equipment needed, spare parts – Plus packet upgrade: code received from E+H ⇒ enter – Plus packet not enabled (enable – Following replacement of Detailed description...

  • Page 57: Troubleshooting Using The Error Messages

    Liquisys M COM 223 F / 253 F Maintenance and troubleshooting OM253FE7.CHP Troubleshooting using the error messages Display and select the error messages using the MINUS key. Automatic Contact Error current Error cleaning trigger Cause Measures Fact User Fact User...
  • Page 58 Maintenance and troubleshooting Liquisys M COM 223 F / 253 F Automatic Contact Error current Error cleaning trigger Cause Measures Fact User Fact User Fact User Distance between Adjust spreading for current output 2. — —* 0/4 mA and 20 mA values...

  • Page 59: Diagnostics And Corrective Maintenance

    Liquisys M COM 223 F / 253 F Diagnostics and corrective maintenance OM253FE8.CHP Diagnostics and corrective maintenance Diagnosis: • Diagnosis refers to the identification of instrument malfunctions and defects. Corrective maintenance: • replacement of parts diagnosed to be defective; • testing of instrument and measuring system function;...
  • Page 60 Diagnostics and corrective maintenance Liquisys M COM 223 F / 253 F Error Possible cause Tests and / or remedial measures Equipment, spare parts, personnel Display on, but – Instrument or module in COM 223 F:Reinstall Carry out using installation –...

  • Page 61: Corrective Maintenance Of Liquisys M Com 223 F

    Liquisys M COM 223 F / 253 F Diagnostics and corrective maintenance OM253FE8.CHP Corrective maintenance of Liquisys M COM 223 F 8.2.1 Exploded view 223 F_EXO2.CDR Pos. 424a Terminal for signal inputs/outputs (external) Pos. 340 End frame Pos. 424b Pos. 400...
  • Page 62 Diagnostics and corrective maintenance Liquisys M COM 223 F / 253 F 8.2.2 Dismantling of COM 223 F • Consider potential effects on process when removing the instrument from service. • Before opening, make sure the instrument is voltage-free. • First pull off the terminal block (Pos. 424b) on the rear of the instrument.
  • Page 63 Liquisys M COM 223 F / 253 F Diagnostics and corrective maintenance OM253FE8.CHP 8.2.4 Spare parts for COM 223 F Position Designation Name Function or Contents Order number Power supply unit LSGA 100/115/230 V AC 51500317 Power supply unit LSGD...

  • Page 64: Corrective Maintenance Of Liquisys M Com 253 F

    Diagnostics and corrective maintenance Liquisys M COM 223 F / 253 F Corrective maintenance of Liquisys M COM 253 F 8.3.1 Exploded view 253 F_EXO2.CDR Electronics box with Fuse is accessible with electronics box relay module LSR1-x (bottom) and installed power supply unit LSGA/LSGD (top) Pos.
  • Page 65 Liquisys M COM 223 F / 253 F Diagnostics and corrective maintenance OM253FE8.CHP 8.3.2 Dismantling of COM 253 F • Before opening, make sure the instrument is voltage-free. • Open and remove the connection compartment cover (Pos. 420). • Pull out the mains terminal (item 470).
  • Page 66 Diagnostics and corrective maintenance Liquisys M COM 223 F / 253 F 8.3.4 Spare parts kits for COM 253 F Position Designation Name Function or Contents Order number Power supply unit LSGA 100/115/230 V AC 51500317 Power supply unit LSGD...

  • Page 67: Spare Parts Orders

    Liquisys M COM 223 F / 253 F Diagnostics and corrective maintenance OM253FE8.CHP 8.3.5 Special case: Replacement of controller • Reassemble the instrument with the new Note: module, as described in Chap. 8.2.3 or 8.3.3. Since the serial and release num- •...

  • Page 68: Corrective Maintenance Of Measuring System

    Diagnostics and corrective maintenance Liquisys M COM 223 F / 253 F Corrective maintenance of measuring system 8.6.1 Oxygen transmitter Simulation of oxygen measurement: Simulation of temperature sensor: To perform a functional test of the instrument, The COS 21 sensor uses an NTC sensor the COS 21 sensor can be simulated by (22.0 kΩ/25 °C) for temperature measurement.
  • Page 69 Liquisys M COM 223 F / 253 F Diagnostics and corrective maintenance OM253FE8.CHP 8.6.2 Oxygen sensor COS 21 Please refer to the Technical Information for • Calibration • Maintenance and cleaning the COS 21 with regard to sensor mainten- • Appendix ance and troubleshooting! •...

  • Page 70: Accessories

    Sterilisable sensor for dissolved oxygen Order no.: 51511447 Technical Information TI 244C/07/en • Two-relay card with current input Best.-Nr.: 51505857 (standard version / CSA version) Order no.: 51504304 • Four-relay card with current input (standard version / CSA version) Order no.: 51504305 Endress+Hauser...

  • Page 71: Technical Data

    Liquisys M COM 223 F / 253 F Technical data Ω °C OM23FE10.CHP Technical data Manufacturer Endress+Hauser General data Instrument name Liquisys M COM 223 F Liquisys M COM 253 F Parameters , temperature Input measurement with COS 21 Display and measuring range 0.01 ...
  • Page 72 °C Technical data Liquisys M COM 223 F / 253 F Ω Output (continued) Temperature signal output (optional) Current range 0 / 4 ... 20 mA, galvanically isolated max. 500 Ω Load Maximum resolution 700 digits/mA ∆ 10 ... ∆ 70 C...
  • Page 73 Liquisys M COM 223 F / 253 F Technical data Ω °C OM23FE10.CHP Accuracy measurement with COS 21 Measured value resolution 0.01 mg/l or 0.1 % SAT Measured error display ± 0.03 mg/l ± 0.3% SAT Repeatability ± 0.05 mg/l ±...

  • Page 74: Appendix

    Appendix Liquisys M COM 223 F / 253 F Appendix Calibration Store Entry of calibration value Slope is Calibration status calibration results displayed is displayed current value ; no; new 100.0 % o.k. Ref = entry of C1 (2) 75.0 ... 140 %...
  • Page 75 Liquisys M COM 223 F / 253 F Appendix OM253E11.CHP Measured value display Measured value display Measured value display Sensor signal in nA / mV Current input in % Current input in mA Feedforward control gain = 1 at 50%;...
  • Page 76 Appendix Liquisys M COM 223 F / 253 F Selection of start pulse Entry of pre-rinse time Configure Function R2 (5) Entry of cleaning time limit contacter int = internal switch on or off ext = external (dig. input 2)
  • Page 77 Liquisys M COM 223 F / 253 F Appendix OM253E11.CHP Number of cleaning Setting interval between Setting of Entry of pre-rinse time Number of repeat cycles cycles without minimum pause time two cleaning cycles cleaning agents (pause time) 20 s 120 min 0 ...

  • Page 78: Index

    Index Liquisys M COM 223 F / 253 F Index 0 ....... 16, 19 Damage .
  • Page 79 Liquisys M COM 223 F / 253 F Index OM253E12.CHP I-Function group ..... 47 O-Function group ....29-30 Immunity to interference .
  • Page 80 Index Liquisys M COM 223 F / 253 F S-Function group ....44-45 Technical data ....69-71 Safety features .
  • Page 81 Declaration of contamination Dear customer, Because of legal determinations and for the safety of our employes and operating equipment we need this “Declaration of contamination” with your signature before your order can be handled. Please put the completely filled in declaration to the instrument and to the shipping documents in any case. Add also safety sheets and/or specific handling instructions if necessary.
  • Page 82 Belorgsintez Canada Poland Minsk Singapore Endress+Hauser Ltd. Endress+Hauser Polska Sp. z o.o. Tel. (01 72) 50 84 73, Fax (01 72) 50 85 83 Endress+Hauser (S.E.A.) Pte., Ltd. Burlington, Ontario K. Warszawy Singapore Tel. (9 05) 6 81 92 92, Fax (9 05) 6 81 94 44 Tel.

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