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Installation

pH 298, LF 298, Oxi 298, Cl 298 

18

ba77196e03

07/2018

3.7.3 Connection diagram for other sensors

pH/ORP electrode

Conductivity

measuring cell

figure 3-4 Combination electrode / Combination electrode with integrated temperature 

sensor 

X4

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8

X4

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9

X4

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11

X4

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10

PE

X4

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4

X4

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3

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5

X4

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6

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8

X4

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9

X4

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11

X4

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figure 3-5 2-electrode measuring cell / 4-electrode measuring cell 

1 Measuring electrode
2 Feed electrode
3 Feed electrode
4 Measuring electrode

X4

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9

X4

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11

X4

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10

X4

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8

X4

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1 2 3 4

Содержание CL 298

Страница 1: ...OPERATING MANUAL ba77196e03 07 2018 Series 298 ANALOG MEASURING TRANSMITTERS PH 298 LF 298 OXI 298 CL 298 FOR pH ORP CONDUCTIVITY OXYGEN AND CHLORINE...

Страница 2: ...pH 298 LF 298 Oxi 298 Cl 298 2 ba77196e03 07 2018 Copyright 2018 Xylem Analytics Germany GmbH Printed in Germany...

Страница 3: ...c principles of installation 10 3 2 1 Requirements of the measurement location 10 3 3 Safety requirements of the electrical installation 10 3 4 Wall mounting of the measuring transmitter 11 3 5 Mounti...

Страница 4: ...alibrating a chlorine sensor 37 4 8 Measured value recording data logger 37 4 9 INFO menu 38 4 9 1 Overview 38 4 10 Low power mode screensaver 38 4 11 Password protection 39 5 Outputs 40 5 1 Basic inf...

Страница 5: ...oded data for fieldbus communication 59 6 4 1 Data formats of the sensor data block 59 6 5 Instrument status 60 6 6 Measuring mode sensor type 60 7 Maintenance and cleaning 62 7 1 Maintenance 62 7 2 C...

Страница 6: ...Contents pH 298 LF 298 Oxi 298 Cl 298 6 ba77196e03 07 2018...

Страница 7: ...mperature compensation and temperature measurement Depending on the model of the measuring transmitter a type NTC Pt100 or Pt1000 temperature probe is suitable Relay and current outputs Measuring tran...

Страница 8: ...indicates a possibly dangerous situation that can lead to serious irrevers ible injury or death if the safety instruction is not followed CAUTION indicates a possibly dangerous situation that can lead...

Страница 9: ...l conditions men tioned in this operating manual The product must not be opened 2 2 3 Unauthorized use The product must not be put into operation if it is visibly damaged e g after being transported i...

Страница 10: ...s motors contactors cables lines relays switches instruments must meet the following requirements Compliance with national regulations e g NEC VDE and IEC Suitability for the electrical conditions at...

Страница 11: ...technical data For wall mounting use the material screws screw anchors etc suitable for the condition of the wall 3 5 Mounting the mounting plate optional Only for scopes of delivery with mounting pla...

Страница 12: ...r An additional external temperature probe is connected to the connectors X4 3 to X4 6 Make sure that there is enough room under the drinking water plate so the sample inlet and outlet can be connecte...

Страница 13: ...cable may only be connected to the sensor connectors X4 8 X4 11 No wire of the cable may be connected with an external electrical poten tial Otherwise malfunctions could occur Measuring transmitter t...

Страница 14: ...is connected Loosen the coupling ring of the cable gland at the position for the temperature probe X4 3 6 on the enclosure 6 Through the cable gland insert into the enclosure the sensor cable and or t...

Страница 15: ...sion etc please refer to the relevant sensor operating manual pH ORP electrodes or arma tures Adapter required Wire colors Terminal designation SensoLyt 650 7 no White X4 3 Brown X4 5 Yellow green X4...

Страница 16: ...ed Wire colors Terminal designation Conductivity measuring cell Adapter required Wire colors Terminal designation LRD 01 ADA AMPH LF White X4 3 Brown X4 5 Black X4 7 LRD 325 Yellow X4 8 Green X4 9 Pin...

Страница 17: ...nation TriOxmatic 690 701 702 ADA AMPH Pink X4 3 black gray X4 5 blue X4 7 Yellow X4 8 Brown X4 9 White X4 10 Green X4 11 Chlorine sensors Adapter required Wire colors Terminal designation FCML 68 412...

Страница 18: ...figure 3 4 Combination electrode Combination electrode with integrated temperature sensor X4 8 X4 9 X4 11 X4 10 PE X4 4 X4 3 X4 5 X4 6 X4 8 X4 9 X4 11 X4 10 figure 3 5 2 electrode measuring cell 4 ele...

Страница 19: ...ontacts there may be a danger of life threatening electric shock Electrical circuits are regarded to be sub ject to the danger of physical contact when there are voltages higher than the Safety Extra...

Страница 20: ...elays By no means may multi phase loads be switched with the aid of several relays exam ple three phase current driven pump Always use a protective relay to switch multi phase loads After the measurin...

Страница 21: ...sure lid rear side 1 X2 1 Relay 2 Normally closed X2 2 Relay 2 Changeover contact max 250 V AC 5 A X2 3 Relay 2 Normally open X2 4 Relay 1 Normally closed X2 5 Relay 1 Changeover contact max 250 V AC...

Страница 22: ...threatening electric shock when working with the measuring transmitter Always cut off any wires that are not in use as closely as possible to the cable gland 3 10 Connecting the voltage supply The me...

Страница 23: ...transmitter and easy to reach by the user and marked as an interrupt facility for the measuring transmitter The measuring transmitter must only be opened after the installation if the mains voltage ha...

Страница 24: ...he power line into the enclosure through the cable gland figure 3 10Terminal assignment for power connection enclosure bottom 100 240 V AC supply voltage 1 X6 1 L1 conductor L 2 X6 2 PE conductor 3 X6...

Страница 25: ...signment agrees with the specification on the terminal label under the terminal strip 7 Fix the cable using the preinstalled cable tie 8 Tighten the coupling ring of the cable gland for the power line...

Страница 26: ...i 298 Cl 298 26 ba77196e03 07 2018 Putting the measuring transmitter into operation Switch on the power supply of the measuring transmitter As soon as the instrument is successfully initialized the me...

Страница 27: ...UE AND STATUS DISPLAY 2 Keypad 1 2 Key Symbol Function CAL Move the cursor highlighting to the left In the measured value display Open the calibration menu CONF Move the cursor highlighting upwards Op...

Страница 28: ...tputs figure 4 2 Measured value and status display example pH 1 Status display HOL Hold The measured value is frozen also for relays current outputs and Modbus 2 measured value 3 2nd value 4 Status re...

Страница 29: ...u with the ENTER key ENTER 4 3 3 Entering numerals In input fields for numerals select the numeral to be edited with the left or right arrow key pH 298 ORP ORP as absolute voltage in mV ORP as voltage...

Страница 30: ...native you can also select the menu item back 4 3 5 Operating example Setting the language Proceeding Selecting the language 4 4 System settings menu configuration All system settings for the measurin...

Страница 31: ...ture compensa tion is obligatory The conductivity value can be displayed as real or temperature corrected refer ring to 25 C 1 Open the configuration menu with CONF 2 Using and ENTER select and confir...

Страница 32: ...ues Explanation fixed temp on off Enabling disabling the fixed tempera ture temp Value Input field for the fixed temperature value 3 Select the setting fixed temp on 4 Set the temp Value in the input...

Страница 33: ...e probe of the Pt100 type one point Starts the procedure for the single point calibration with manual input of the calibration solution two point Starts the procedure for the two point calibration wit...

Страница 34: ...ibration Calibration values determined Measured value No status display indicator The calibration values determined are used Calibration successful with restriction Calibration values determined Error...

Страница 35: ...nt Starts the procedure for the two point calibration with manual input of the calibration solution s Any calibration solutions are allowed automatic Starts the procedure for the automatic two point c...

Страница 36: ...mol l KCl 12 9 mS cm back Return to the measured value display Please note the special instructions on calibration in the operating manual of your sensor in addition to the calibration procedure on th...

Страница 37: ...easured value temperature The data logger automatically saves measured values according to the specified save interval The save interval is defined the submenu configuration data logg Defining the sav...

Страница 38: ...display as necessary 2 Using LOG show the recorded data on the display The graphic display of the recorded data pops up figure 4 3 Data logger graphic display or Move the displayed section along the t...

Страница 39: ...CAL and configuration CONF are pass word protected To go to these menus you have to enter the password and confirm with ENTER Changing the password You can change the password in the menu item config...

Страница 40: ...lue is exceeded or undercut Limit indicators can be used in the following way Monitoring a limiting value using a relay When a limiting value upper or lower limiting value is exceeded or undercut a re...

Страница 41: ...ator The regulator can be configured as a Proportional regulator with switchable Inte gral and Differential regulator parts PID Controller By activating or deactivating the Integral ti and Differentia...

Страница 42: ...with one relay or current output An output range is determined with Start value and End value Above and below the output range no output is effected Output with two relays or current outputs For every...

Страница 43: ...requency 2 End value Measured value with maximum pulse width or switching frequency Proportional bands Relay 1 and 2 Measured value Relay 1 Relay 2 1 2 2 1 10 100 90 0 Switching frequency f or Pulse v...

Страница 44: ...nd Range around the target value No regulation takes place within this range 3 break point x break point x The break points divide the control ranges for each relay into a range where the differential...

Страница 45: ...t of every period duration Pulse width output The output of the pulse width is for example used to trigger valves With pulse width output the turn on duration tOn of the output signal is changed Depen...

Страница 46: ...action The relay action opening or closing is determined with the wiring on the termi nal for each relay Preferably set up the relay output for monitoring functions as normally closed Details on how...

Страница 47: ...urrent 4 Quit the menu PID controller 1 Switch the PID controller off release off or configure it as an analog controller type of the controller current see section 5 2 2 2 Open the configuration menu...

Страница 48: ...tion For relay functions limiting value signal or timer to be carried out the PID controller has to be switched off release off or configured as an analog controller type of the controller current 1 S...

Страница 49: ...nfiguration menu with CONF 3 Using highlight the outputs menu item and confirm with ENTER Submenu Selection Values Explanation output 1 output 2 current output output val measured value 2nd value temp...

Страница 50: ...the instrument coding on the basic PCB inside the instrument figure 5 6 Coding for the jumpers on the basic PCB 5 Close the instrument Connect the analog outputs only after the software has been succ...

Страница 51: ...e u i current voltage Select the analog output form current 2 x 0 4 20 mA voltage 2 x 0 5 V This configuration has to agree with the hardware coding delivery set ting current 2 x 0 4 20 mA The output...

Страница 52: ...time is the shortest duration of a switching intervention for a relay parameters upper limit lower limit target value dead band dead band break point x break point x break point y break point y Setti...

Страница 53: ...tivating deactivating the HOLD state Automatic The HOLD status is automatically activated during calibration when the Timer function is active while for relay 2 the switch off time is active relay 2 i...

Страница 54: ...u item Flow If the signal input of the measuring transmitter is configured as Flow it behaves as follows If the measuring transmitter is part of a WTW drinking water platform for chlorine with flow mo...

Страница 55: ...wdriver Small screwdriver NOTE Modbus cables may only be connected to the Modbus connectors X3 4 X3 6 No wire of the cable may be connected with an external electrical poten tial Otherwise malfunction...

Страница 56: ...the designations of the terminals 7 Tighten the coupling rings for sensor and temperature probe 8 Close the enclosure 9 Reinstall the cover on the left and right hand side of the measuring transmitter...

Страница 57: ...LF 298 Oxi 298 Cl 298 The Modbus slave sends a response telegram with the requested data or an error message 6 3 1 Query format Supported Modbus commands The pH 298 LF 298 Oxi 298 Cl 298 provides the...

Страница 58: ...t 8 7 0 0001 9 16 Sensor status Int 8 15 8 0002 1 8 Sensor model Int 8 7 0 0002 9 16 Instrument status Int 8 15 8 0003 1 16 Measured temperature value Float 32 31 16 0004 1 16 15 0 0005 1 16 Main meas...

Страница 59: ...igure 6 2 Data traffic and timeout periods T1 T3 1 Data query master 2 Response slave 3 T1 Final recognition of query protocol attention depending on the baud rate always 3 characters long 4 T2 Workin...

Страница 60: ...to Timer function 08h Cal CAL error Code hex Sensor type measuring mode 01h pH test amplifier 02h ORP 03h Cond 0 200 S 04h Cond 0 2 mS 05h Cond 0 20 mS 06h Cond 0 100 mS 07h O2 oxygen 08h Linear 09h C...

Страница 61: ...ion with Modbus RTU 61 ba77196e03 07 2018 19h aCond 0 20 mS 4 pole 1Ah aCond 0 500 mS 4 pole 1Bh Cond 0 20 S ZK 0 1cm 1 1Ch Cond 0 2 S ZK 0 01cm 1 1Fh Cond 0 200 S ZK 0 1cm 1 20h Cond 0 20 S ZK 0 01cm...

Страница 62: ...is available on site blow off the worst of the dirt beforehand Keep the enclosure closed while doing so NOTE Do not use high pressure water blasters for cleaning danger of water penetra tion Also do...

Страница 63: ...zard of electric shock and secure them against being switched on Only ever replace components when the measuring transmitter is switched off Defective components are removed in the reverse order to th...

Страница 64: ...onnections Wrong setting of the address baud rate parity Check change the settings Incorrect protocol Adjust the protocol Measuring transmitter defec tive Contact the service department Cause Remedy T...

Страница 65: ...1 Measuring transmitter Dimensions figure 9 1 Dimension drawing with boreholes A dimensions in mm Test certificates Mechanical structure Ambient conditions 10 C 55 C 14 131 F 160 142 130 71 80 22 A A...

Страница 66: ...se on the operator side 10 A maximum Protective class II Overvoltage category II Power consumption Maximum approx 9 W Power supply Nominal voltage 18 36 VDC 10 Line power connection 2 poles N and L PE...

Страница 67: ...mA and 4 20 mA Max output voltage 5 V with missing or erroneous load Accuracy 0 2 of current value 50 A load max 500 Functions Programmable Recorder attenuation adjustable 0 40 mA s Error behavior ad...

Страница 68: ...ces for industrial areas intended for indis pensable operation Interference emission limits for resources of class B Any combination of the measuring transmitter with accessory prod ucts in a user spe...

Страница 69: ...Electrical data 24V version 66 Line power version 66 EMC characteristics 68 Entering texts 29 F Fieldbus communication data 59 H HOLD state 53 L Language 30 Limiting value signal 40 M Maintenance act...

Страница 70: ...release Enable or disable the function Timer turn on time Input field for the turn on duration 1 10000 min turn off time Input field for the turn off duration 1 10000 min release Enable or disable the...

Страница 71: ...lls 200 S 2000 S 20 mS 500 mS 4 electrode measuring cells 20 S 0 1 2 S 0 01 200 S 0 1 20 S 0 01 20 S 100 mS or 200 S 500 mS For the LF 298 measuring transmit ter you have to specify the conduc tivity...

Страница 72: ...put field for the password Change the password in delivery condition 1 clock Input field for date time Setting of date and time reset Restart laguage german english Selecting the language filter Signa...

Страница 73: ...t integral time minimal time Input fields for Period Differential ratio Integral ratio Shortest duration of a switching action parameters upper limit lower limit Target value dead band dead band brea...

Страница 74: ...device ID 1 247 Modbus interface parameters see section 6 2 baud rate 4800 9600 19200 38400 parity none 1s none 2s even 1s even 2s odd 1s odd 2s simulation relay 1 relay 2 on off The functioning of th...

Страница 75: ......

Страница 76: ...buildings factories and farms In more than 150 countries we have strong long standing relationships with customers who know us for our powerful combination of leading product brands and applications...

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