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

Transmitter for dissolved oxygen
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BA 199C/07/en/12.01
No. 51500272
Software version 2.20 or higher
Quality made by
Endress+Hauser
ISO 9001
Liquisys M
COM 223 / 253
Transmitter for
Dissolved Oxygen
Operating Instructions
ENDRESS+HAUSER
LIQUISYS M
Endress Hauser
The Power of Know How
ENDRESS+HAUSER
LIQUISYS M

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  • Page 1 Liquisys M BA 199C/07/en/12.01 No. 51500272 Software version 2.20 or higher COM 223 / 253 Transmitter for Dissolved Oxygen Operating Instructions ENDRESS+HAUSER LIQUISYS M ENDRESS+HAUSER LIQUISYS M Quality made by Endress+Hauser Endress Hauser The Power of Know How ISO 9001...
  • 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 Setting the device configuration Interfaces...

  • Page 3: Table Of Contents

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

  • Page 4: General Information

    General information Liquisys M COM 223 / 253 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. Alarm relay...

  • Page 5: Product Overview

    Liquisys M COM 223 / 253 General information OM253D01.CHP Product overview You can recognise the device version from shown for Chemoclean (left of diagonal line) the order code or the nameplate. Sub “codes” or Plus packet (right of diagonal line).

  • Page 6: Safety Instructions

    Safety instructions Liquisys M COM 223 / 253 Safety instructions Intended application The COM 223/253 transmitter is a field-tested • Sewage treatment plants and reliable measuring transmitter used to • Sewage treatment determine the oxygen concentration of liquid • Drinking water media.

  • Page 7: Monitoring And Safety Features

    Liquisys M COM 223 / 253 Safety instructions OM253D02.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 an alarm condition is signalled via a fault- design measures: signalling contact.

  • Page 8: Installation

    Measuring system The complete measuring system comprises: Variant 1 Variant 2 • The transmitter Liquisys M COM 223 or • The transmitter Liquisys M COM 223 or COM 253 in DX or DS version COM 253 in WX or WS version •...

  • Page 9: Dimensions

    Liquisys M COM 223 / 253 Installation OM253D03.CHP Dimensions ENDRESS+HAUSER LIQUISYS GEHAEUS1.CDR REL1 ALARM REL2 REL1 REL2 SXB only -WX/-WS Dimensions of Liquisys M FELD1.CDR Fig. 3.3 COM 253 Inner view Liquisys M COM 253 1 Removable electronics box 2 Partition plate...

  • Page 10: Mounting

    Installation Liquisys M COM 223 / 253 EINBAU1.CDR Liquisys M COM 223, EINBAU2.CDR Fig. 3.4 mounting version Mounting 3.3.1 Field instrument Several mounting options are available for the Weather protection cover CYY 101 can be Liquisys in the field instrument version: used for outdoor installation in conjunction with all mounting variants.
  • Page 11 Liquisys M COM 223 / 253 Installation OM253D03.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 / 253 3.3.2 Mounting examples Liquisys, field instrument: MONT10.CDR Fig. 3.7 Pipe mounting Liquisys, field instrument: Left: Wall mounting Right: Mounting with universal post and weather MONT2.CDR Fig. 3.8 protection cover Endress+Hauser...
  • Page 13 Liquisys M COM 223 / 253 Installation OM253D03.CHP 3.3.3 Panel-mounted instrument The instrument is attached using the supplied tensioning screws (see Fig. 3.9). The required overall installation depth is approx. 165 mm. +0,5 Fixing the installation instrument max. 45 1 Front of the ca.

  • Page 14: Electrical Connection

    Installation Liquisys M COM 223 / 253 Electrical connection Connection diagram COM 223 / 253 in DX or DS version The connection diagram depicted in Fig. 3.10 shows the connections when using an oxygen sensor of type COS 4, COS 4HD or COS 41.
  • Page 15 Liquisys M COM 223 / 253 Installation OM253D03.CHP Connection diagram COM 223 / 253 in WX or WS version The connection diagram in Fig. 3.11 shows the connections when using an oxygen sensor of type COS 3, COS 3 S, COS 3HD, COS 31 or COS 71.
  • Page 16 Installation Liquisys M COM 223 / 253 Instrument connections for field instrument COM 253 in DX or DS version For connection, the measuring cables are introduced through the cable glands on the field instrument and connected according to the diagrams in Figs. 3.10, and 3.12.
  • Page 17 Liquisys M COM 223 / 253 Installation OM253D03.CHP Instrument connections for field instrument COM 253 in WX or WS version For connection, the measuring cables are Note: introduced through the cable glands on the field instrument and connected according to Please label the sensor terminal the diagrams in Figs.

  • Page 18: Sensor Installation And Measuring Cable Connection

    Installation Liquisys M COM 223 / 253 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 pre- • Protect connectors, cable ends pressed knock-outs for cable entry.

  • Page 19: Operation

    Liquisys M COM 223 / 253 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 20: Key Functions

    Operation Liquisys M COM 223 / 253 Key functions CAL key When the CAL key is pressed, the instrument prompts for the calibration access code (fixed setting: 22 for calibration; Any setting for calibration data checking). Acknowledge with the CAL key to proceed. Calibration uses the calibration data set in Function Group C.

  • Page 21: Auto / Manual Mode Of Operation

    Liquisys M COM 223 / 253 Operation OM253FE4.CHP Auto / manual mode of operation Auto mode In this mode, the relays are controlled by the transmitter. REL key The REL key selects one of the available relays. Switch to manual mode...

  • Page 22: Operating Concept

    Operation Liquisys M COM 223 / 253 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 23 Liquisys M COM 223 / 253 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): • CAL key + Code 22: Access to Calibration and Offset menus.
  • Page 24 Operation Liquisys M COM 223 / 253 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. Note: •...

  • Page 25: Instrument Configuration

    Liquisys M COM 223 / 253 Instrument configuration OM253D5A.CHP Instrument configuration After power-up, the instrument performs a Setup mode self-test and then enters the measuring mode. SETUP 1 (A) see Chap. 5.2.1 Now it can be configured and calibrated for SETUP 2 (B) see Chap.
  • Page 26 Instrument configuration Liquisys M COM 223 / 253 10.00 mg/l Current output 1: measured value at 10.000 mg/l (only with sensor COS71) 20 mA signal current Current output 2: temperature value 0.0°C at 4 mA signal current* Current output 2: temperature value 40.0°C...

  • Page 27: Start-Up

    Liquisys M COM 223 / 253 Instrument configuration OM253D5A.CHP Start-up After power-up (connection to power supply established), the user must make the following selections in 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 28 Instrument configuration Liquisys M COM 223 / 253 Selection or range Coding Field Display Info default (bold) Only available if the pressure Enter altitude compensation in A2 is switched 0 ... 4000 m off or not available. Altitude Measured value damping causes...

  • Page 29: Current Outputs

    Liquisys M COM 223 / 253 Instrument configuration OM253D5A.CHP Current outputs The function group CURRENT OUTPUT is can be entered (O2 (3)). used to configure the individual outputs. Furthermore, a current output value can be Either a linear (O2 (1)) or, in conjunction with...
  • Page 30 Instrument configuration Liquisys M COM 223 / 253 Selection or range Coding Field Display Info Factory setting Function group Initial display in function group CURRENT CURRENT OUTPUT. OUTPUT OUTPUT Output 2 with appropriate version. Out1 Select current Out1 You can select a separate...
  • Page 31 Liquisys M COM 223 / 253 Instrument configuration OM253D5A.CHP Selection or range Coding Field Display Info Factory setting Version DX/DS: 10.00 mg/l 0.00 ... 20.00 mg/l Enter the O or temperature 100.0 %SAT value here of the max. current 0.0 ... 200.0 %SAT...
  • Page 32 Instrument configuration Liquisys M COM 223 / 253 Selection or range Coding Field Display Info Factory setting The function chain O233 ... O235 is run through the appropriate Select table value 1 ... Number of table number of times according to the...

  • Page 33: Monitoring Functions

    Liquisys M COM 223 / 253 Instrument configuration OM253D5A.CHP Monitoring functions The monitoring functions are used to define effective or not (at the contact or as an error various alarms and to set output contacts. current). An alarm condition can be defined to Each individual error can be defined to be activate a cleaning function (F8).
  • Page 34 Instrument configuration Liquisys M COM 223 / 253 Selection or range Coding Field Display Info Factory setting If you choose “no”, all the other alarm settings lose their effect (e. Make alarm g. alarm delay). The settings contact effective themselves are retained.
  • Page 35 Liquisys M COM 223 / 253 Instrument configuration OM253D5A.CHP The SCS monitoring functions at a glance Functional description Setting possibility Alarm event Application – lower AT reached or freely adjustable lower only lower AT dropped below alarm threshold (AT) Applications with or...
  • Page 36 Instrument configuration Liquisys M COM 223 / 253 Selection or range Coding Field Display Info Factory setting Function group Function group only available CHECK with DS or WS versions. Settings for sensor and process (only with Plus CHECK monitoring. package)
  • Page 37 Liquisys M COM 223 / 253 Instrument configuration OM253D5A.CHP Selection or range Coding Field Display Info Factory setting Version DX/DS: 20.00 mg/l 1.00 ... 20.00 mg/l 200.0 %SAT 0.0 ... 200.0 %Sat 400 hPa 20 ... 400 hPa WX/WS with COS 3 / 3S / 3HD / 31: 20.00 mg/l...

  • Page 38: Relay Contact Configuration

    Instrument configuration Liquisys M COM 223 / 253 Relay contact configuration The relay contacts described below can be selected and configured as required (up to four times with four contacts depending on options installed). • Limit contactor for measured oxygen value: R2 (1) •...
  • Page 39 Liquisys M COM 223 / 253 Instrument configuration OM253D5B.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 40 Instrument configuration Liquisys M COM 223 / 253 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 Actual value...
  • Page 41 Liquisys M COM 223 / 253 Instrument configuration OM253D5B.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 X = setpoint –X...
  • Page 42 Instrument configuration Liquisys M COM 223 / 253 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 • The Chemoclean function is only...
  • Page 43 Liquisys M COM 223 / 253 Instrument configuration OM253D5B.CHP Selection or range Coding Field Display Info Factory setting Settings made for the limit Switch function of R231 R211 contactor are not deleted by R2 (1) off or on switching the function off.
  • Page 44 Instrument configuration Liquisys M COM 223 / 253 Selection or range Coding Field Display Info Factory setting Version DX/DS: 20.00 mg/l 0.00 ... 20.00 mg/l 200.0 %Sat 0.0 ... 200.0 %Sat 400 hPa 0...400 hPa If the alarm threshold is...
  • Page 45 Liquisys M COM 223 / 253 Instrument configuration OM253D5B.CHP Selection or range Coding Field Display Info Factory setting Enter dropout R225 R225 delay 0 ... 2000 s Off Delay If the alarm threshold is exceeded or undershot, an alarm 60.0 Enter alarm 60.0 C...
  • Page 46 Instrument configuration Liquisys M COM 223 / 253 Selection or range Coding Field Display Info Factory setting Enter derivative action time T 0.0 min R235 R235 See Chap. 5.5.2. (0.0 = no D 0.0 ... 999.9 min Time Tv component)
  • Page 47 Liquisys M COM 223 / 253 Instrument configuration OM253D5B.CHP Selection or range Coding Field Display Info Factory setting The hold and relay settings are Enter rinse / 30 s R242 R242 activated for the period of time cleaning time 0 ... 999 s specified here.

  • Page 48: Service

    Instrument configuration Liquisys M COM 223 / 253 Selection or range Coding Field Display Info Factory setting Enter post-rinse 20 s R255 R255 Water is used for rinsing. time 0 ... 999 s PostRinse Number of repeat R256 R256 R253 ... R255 is repeated.
  • Page 49 Liquisys M COM 223 / 253 Instrument configuration OM253D5B.CHP Selection or range Coding Field Display Info Factory setting The setting remains active even Manual hold after a power failure. Man. HOLD Enter hold dwell 10 s period 0 ... 999 s Cont.Time...

  • Page 50: E+H Service

    Instrument configuration Liquisys M COM 223 / 253 E+H Service Selection or range Coding Field Display Info Factory setting Function group E+H SERVICE E+H SERV Contr Central module (1) Contr Sens only with version WX or WS Trans = Transmitter (2) Select module and sensor COS 31 or COS 71.

  • Page 51: Calibration

    Liquisys M COM 223 / 253 Instrument configuration OM253D5B.CHP Calibration This function group is used to calibrate the transmitter. The sensor is calibrated in air or in the medium. Note: • • If the calibration procedure is abor- After calibration, the system re- ted by pressing the PLUS and MI- turns to Measuring mode.
  • Page 52 Instrument configuration Liquisys M COM 223 / 253 Selection or range Coding Field Display Info Factory setting If C112 = E xxx, then only no or new. Save calibration C113 C113 If new, return to C. result? If yes/no, return to Store “Measurement”.
  • Page 53 Liquisys M COM 223 / 253 Instrument configuration OM253D5B.CHP Selection or range Coding Field Display Info Factory setting Minimum value is 0.2 mg/l. 10.00 mg/l Enter calibration C121 C131 During measurement and Current value value calibration value entry, the value Real PV indicated should remain stable.

  • Page 54: Interfaces

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

  • Page 55: Maintenance And Troubleshooting

    Liquisys M COM 223 / 253 Maintenance and troubleshooting OM253D07.CHP Maintenance and troubleshooting Maintenance: • Maintenance means that all measures which will guarantee the safety of operation and reliability of the entire measuring system are taken in due time. Maintenance of COM 223 / 253 includes: •...
  • Page 56 Maintenance and troubleshooting Liquisys M COM 223 / 253 Problem Possible cause Remedy Equipment needed, spare parts – Membrane soiled Clean sensor membrane See instructions for COS xx. Heavily soiled media: use spray cleaning. – Incorrect temperature Check temperature value Ref.
  • Page 57 Liquisys M COM 223 / 253 Maintenance and troubleshooting OM253D07.CHP Problem Possible cause Remedy Equipment needed, spare parts – Controller in “Manual / On” mode Set controller to “Manual/Off” or “Auto” Keyboard, REL and AUTO keys – Dropout delay setting too long...
  • Page 58 Maintenance and troubleshooting Liquisys M COM 223 / 253 Problem Possible cause Remedy Equipment needed, spare parts – No central PA/DP module Verify by looking at nameplate: Upgrade to LSCP module ® PROFIBUS PA = -xxx3xx ® PROFIBUS DP= xxx4xx –...

  • Page 59: Troubleshooting Using The Error Messages

    Liquisys M COM 223 / 253 Maintenance and troubleshooting OM253D07.CHP Troubleshooting using the error messages Display and select the error messages using the MINUS key. Automatic Contact Error current Error cleaning trigger Display Measures Fact. User Fact. User Fact. User...
  • Page 60 Maintenance and troubleshooting Liquisys M COM 223 / 253 Automatic Contact Error current Error cleaning trigger Display Measures Fact. User Fact. User Fact. User Alarm threshold limit Limit or reference value exceeded or E067 contactor 1 exceeded undershot. Alarm threshold limit...

  • Page 61: Diagnostics And Corrective Maintenance

    Liquisys M COM 223 / 253 Diagnostics and corrective maintenance OM253D08.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 62 Diagnostics and corrective maintenance Liquisys M COM 223 / 253 Problem Possible cause Tests and / or remedial measures Equipment, spare parts, personnel Display dark, but LED(s) Central module defective Replace central module On-site diagnosis by E+H Service active (Module: LSCH/LSCP)
  • Page 63 Liquisys M COM 223 / 253 Diagnostics and corrective maintenance OM253D08.CHP Problem Possible cause Tests and / or remedial measures Equipment, spare parts, personnel Additional functions – Replacement modules LSCH or For LSCH / LSCP with SNR 0000 For detailed description, see...

  • Page 64: Corrective Maintenance Of Liquisys M Com 223

    Diagnostics and corrective maintenance Liquisys M COM 223 / 253 Corrective maintenance of Liquisys M COM 223 8.2.1 Exploded view Pos. 424a Connection terminal for signal inputs/outputs (exterior) Pos. 340 End frame Pos. 424b Pos. 400 Connection terminal for Pt 100,...
  • Page 65 Liquisys M COM 223 / 253 Diagnostics and corrective maintenance OM253D08.CHP 8.2.2 Dismantling of COM 223 • 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 to de-energize the instrument.
  • Page 66 Diagnostics and corrective maintenance Liquisys M COM 223 / 253 8.2.4 Spare parts for COM 223 Pos. Designation Name Function or components Order number Power supply unit LSGA 100/115/230 V AC 51500317 Power supply unit LSGD 24 V AC + DC...

  • Page 67: Corrective Maintenance Of Liquisys M Com 223

    Liquisys M COM 223 / 253 Diagnostics and corrective maintenance OM253D08.CHP Corrective maintenance of Liquisys M COM 223 8.3.1 Exploded view Electronics box with Fuse is accessible with relay module LSR1-x (below) electronics box installed and power unit LSGA/LSGD Pos. 10...
  • Page 68 Diagnostics and corrective maintenance Liquisys M COM 223 / 253 8.3.2 Dismantling of COM 253 • Before opening, make sure the instrument is voltage-free. • Open and remove the connection compart- ment cover (Pos. 420). • Pull off the power connection terminal strip (Pos.
  • Page 69 Liquisys M COM 223 / 253 Diagnostics and corrective maintenance OM253D08.CHP 8.3.4 Spare parts kits for COM 253 Pos. Designation Name Function or components Order number Power supply unit LSGA 100/115/230 V AC 51500317 Power supply unit LSGD 24 V AC + DC...

  • Page 70: Spare Parts Orders

    Diagnostics and corrective maintenance Liquisys M COM 223 / 253 8.3.5 Special case: replacement of central module • Start up the instrument and test its basic Note: functions (e.g. meas. value and temperature display, operation via Since the serial and release keyboard).

  • Page 71: Corrective Maintenance On The Complete Measuring Point Com 2X3-Dx/-Ds

    Liquisys M COM 223 / 253 Diagnostics and corrective maintenance OM253D08.CHP Corrective maintenance on the complete measuring point COM 2x3-DX/-DS 8.6.1 Oxygen transmitter DX/DS Cleaning the front panel To clean the front panel, only use standard Caution! cleaning agents.The front panel is resistant to the following cleaning agents (acc.

  • Page 72: Corrective Maintenance On The Complete Measuring Point Com 2X3-Wx/Ws

    Diagnostics and corrective maintenance Liquisys M COM 223 / 253 8.6.3 Assembly Refer to the assembly operating instructions • Suspension assembly holder CYH101-D with stainless steel immersion tube for maintenance and troubleshooting! The CYH 101-D / -E following assemblies can be used for COS 4: •...
  • Page 73 Liquisys M COM 223 / 253 Diagnostics and corrective maintenance OM253D08.CHP • The O input can be tested by measuring Function, simulation and test with the output DC voltage. COS 3, COS 3-S, COS 3HD If a sensor with analogue on-site electronics is The reference is terminal »0«, the O...

  • Page 74: Accessories

    Accessories Liquisys M COM 223 / 253 Accessories Connection accessories Sensors • Extension cable OMK • Oxygen sensor COS 41 for COS 3, COS 31 and COS 71 • Oxygen sensor COS 31 Non-terminated measuring cable for oxygen sensors (metre goods) •...

  • Page 75: Technical Data

    Liquisys M COM 223 / 253 Technical data °C Ω OM253D10.CHP Technical data Manufacturer Endress+Hauser General specifications Instrument name Liquisys COM 223 Liquisys COM 253 Measured variables , temperature Input measurement with sensor COS 41 / COS 4 / COS 4HD Display and measuring range 0 ...
  • Page 76 °C Technical data Liquisys M COM 223 / 253 Ω Output signal output Current range 0 / 4 ... 20 mA, galvanically separated; error current 2.4 / 22 max. 500 Ω Load Maximum resolution 700 digits/mA " D2= ∆ 0.2 ... ∆ 20 mg/l or ∆ 2 ... ∆ 200 % SAT or ∆ 4 ... ∆...
  • Page 77 Liquisys M COM 223 / 253 Technical data °C Ω OM253D10.CHP Accuracy measurement with sensor COS 41 Measured value resolution 0.01 mg/l or 0.1 % SAT or 1 hPa Measured error Display max. 0.5 % of measuring range Repeatability max. 0.2 % of measuring range...

  • Page 78: Appendix

    Appendix Liquisys M COM 223 / 253 Appendix Store calibration Entry of Calibration status Slope results calibration value is displayed is displayed 100,0 % Ref = entry of 75,0 ... 140,0 % reference value o.k. Exxx ; no; new current value...
  • Page 79 Liquisys M COM 223 / 253 Appendix OM253D11.CHP Desktop Liquisys M COM 223/253 - DX/DS with COS 4 / 4HD / 41 Measured value Measured value in hPa in nA / mV only display switch !! Entry of x-value Entry of y-value Table status o.k.
  • Page 80 Appendix Liquisys M COM 223 / 253 Function R2 (5) Selection of start pulse switch on or off = internal i+ext = internal + external Clean = Chemoclean = external (only with rel3 a. rel4) i+stp = internal suppressed by external...
  • Page 81 Liquisys M COM 223 / 253 Appendix OM253D11.CHP Desktop Liquisys M COM 223/253 - DX/DS with COS 4 / 4HD / 41 Entry of Entry of Number of Setting of Setting of Number of Entry of cleaning time interval between...
  • Page 82 Liquisys M COM 223 / 253 Calibration status Store calibration Entry of Slope is displayed results calibration value is displayed 100,0 % Ref = entry of 75,0 ... 140,0 % reference value ; no; new current value o.k. Exxx C131...
  • Page 83 Liquisys M COM 223 / 253 OM253D11.CHP Desktop Liquisys M COM 223/253 - WX/WS with COS 3 / 3S / 3HD / 31 Measured value Measured value in hPa in nA / mV only display switch !! Entry of x-value Entry of y-value Table status o.k.
  • Page 84 Liquisys M COM 223 / 253 Function R2 (5) Selection of start pulse switch on or off = internal i+ext = internal + external Clean = Chemoclean = external (only with rel3 a. rel4) i+stp = internal suppressed by external...
  • Page 85 Liquisys M COM 223 / 253 OM253D11.CHP Desktop Liquisys M COM 223/253 - WX/WS with COS 3 / 3S / 3HD / 31 Entry of Entry of Number of Setting of Setting of Number of Entry of cleaning time interval between...
  • Page 86 Liquisys M COM 223 / 253 Calibration status Store calibration Entry of Slope is displayed results calibration value is displayed 100,0 % Ref = entry of 75,0 ... 140,0 % reference value ; no; new current value o.k. Exxx C131...
  • Page 87 Liquisys M COM 223 / 253 OM253D11.CHP Desktop Liquisys M COM 223/253 - WX/WS with COS 71 Messwertanzeige Messwertanzeige in hPa in nA / mV nur Displayumschaltung !! x-Wert-Eingabe y-Wert-Eingabe Tabellenstatus o.k. (Meßwert) (Strom) 0,00 mg/l ; 0...20 mg/l 0,0% ;...
  • Page 88 Liquisys M COM 223 / 253 Function R2 (5) Selection of start pulse switch on or off = internal i+ext = internal + external Clean = Chemoclean = external (only with rel3 a. rel4) i+stp = internal suppressed by external...
  • Page 89 Liquisys M COM 223 / 253 OM253D11.CHP Desktop Liquisys M COM 223/253 - WX/WS with COS 71 Entry of Entry of Number of Setting of Setting of Number of Entry of cleaning time interval between pre-rinse time repeat cycles minimum pause time clean.

  • Page 90: Index

    Index Liquisys M COM 223 / 253 Index 0 ....... 18, 21 D component .
  • Page 91 Liquisys M COM 223 / 253 Index OM253D12.CHP Keys ....... 18 P controller .
  • Page 92 Index Liquisys M COM 223 / 253 S-Function group ....46-47 Technical data ....73-75 Safety features .
  • Page 93 Declaration of contamination Dear costumer, 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 94 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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