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Maintenance

OPM223/253

72

7.2.2

Cleaning the pH/ORP sensors

Please clean

contamination on the glass electrodes

as follows:

• Oily and greasy films:

Clean with detergent (grease dissolvers, such as alcohol, acetone, poss. washing-up
liquids).

#

Warning!
When using the following cleaning agents, make sure to protect your hands, eyes and clothing!

• Lime and metal hydroxide layers:

Dissolve layers with diluted hydrochloric acid (3 %) and then rinse carefully with a lot of clear
water.

• Layers containing sulphide (from flue gas desulphurising or sewage treatment plants):

Use mixture of hydrochloric acid (3 %) and thiocarbamide (usual commercial) and then rinse
carefully with a lot of clear water.

• Layers containing proteins (e.g. food industry):

Use mixture of hydrochloric acid (0.5 %) and pepsin (usual commercial) and then rinse
carefully with a lot of clear water.

Clogged diaphragms

can be cleaned mechanically (does not apply to Teflon diaphragms and

open ring junction electrodes):
• Use a small warding file.
• Only file in one direction.

Air bubbles in the electrode:

• Air bubbles can indicate incorrect mounting. For this reason check the orientation.
• The range 15 to 165 to the horizontal is allowed.
• Not permitted: horizontal installation or installation with the plug-in head pointing downwards.

C07-OPM2x3xx-05-06-00-xx-006.eps

Fig. 39: Permitted angle of installation for glass electrodes

ORP electrodes:

Carefully clean the metal pins or surfaces mechanically.

!

Note!
After mechanical cleaning, the ORP sensor can require several hours conditioning time. For
this reason, check the calibration after a day.

7.2.3

Liquid KCl supply

• The KCl must be free of bubbles. In the case of an unpressurised version, check whether the

cotton thread is present in the hose.

• In the case of counterpressure, check whether the pressure in the KCl tank is min. 0.8 bar

(11.6 psi) above the medium pressure.

• The KCl consumption should be low but noticeable. Approx. 1 ... 10 ml/day is typical.
• The opening for sensors with a KCl top-up opening at the glass shaft must be clear.

7.2.4

Assembly

Please refer to the corresponding assembly Operating Instructions for information on
maintaining and trouble-shooting the assembly. Here you can find a description for assembling
and disassembling, sensor replacement, seal replacement, stability as well as information on
spare parts and accessories.

> 15°

> 15°

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Содержание OPM223

Страница 1: ...BA194e 00 07 09 71106576 valid as of Software version 2 50 Operating Instructions OPM223 253 Transmitter for pH and ORP...

Страница 2: ......

Страница 3: ...4 System configuration 30 5 5 Calibration 59 6 Commissioning 65 6 1 Things to note when commissioning ISFET sensors 65 6 2 Function check 65 6 3 Switching on 65 6 4 Quick start up 67 7 Maintenance 69...

Страница 4: ...tood these Operating Instructions and must adhere to them Before commissioning the entire measuring point check all the connections for correctness Ensure that electrical cables and hose connections a...

Страница 5: ...s symbol alerts you to hazards They can cause serious damage to the instrument or to persons if ignored Caution This symbol alerts you to possible faults which could arise from incorrect operation The...

Страница 6: ...P basic version PS pH glass ORP Plus package Power supply approval 0 230 V AC 1 115 V AC 2 230 V AC CSA Gen Purp 3 115 V AC CSA Gen Purp 4 230 V AC ATEX II 3G EEx nAL IIC 5 100 V AC 6 24 V AC DC ATEX...

Страница 7: ...of plug in screw terminals 2 tensioning screws 1 BNC plug solder free 1 operating instructions BA194e00 versions with explosion protection for hazardous area zone II ATEX II 3G Safety instructions fo...

Страница 8: ...e Electrical connection section Connect the transmitter as illustrated in the Electrical connection section Commission the transmitter as explained in the Commissioning section 3 1 1 Measuring system...

Страница 9: ...idity protection The original packaging offers the best protection Also keep to the approved ambient conditions see Technical data If you have any questions please contact your supplier or your sales...

Страница 10: ...7 OxM223xx 06 06 00 en 001 EPS Fig 4 Panel mounted instrument C07 OxM253xx 11 06 00 xx 001 eps Fig 3 View into the field housing 1 2 3 4 Removable electronics box Partition plate Terminals Fuse 1 2 3...

Страница 11: ...r with unprotected exposure to weather conditions a weather protection cover see Accessories is required Transmitter wall mounting C07 OxM253 11 06 00 en 002 eps Fig 5 Field instrument wall mounting F...

Страница 12: ...ection C07 OxM253xx 11 06 00 en 003 eps Fig 6 Post mounting field device to cylindrical pipes For post mounting the transmitter proceed as follows 1 Guide the two securing screws 1 of the mounting kit...

Страница 13: ...s see Accessories section C07 OxM253xx 11 06 00 xx 004 eps Fig 7 Mounting field device with universal posts and weather protection cover For mounting the weather protection cover proceed as follows 1...

Страница 14: ...eps Fig 8 Securing the panel mounted instrument 1 Wall of the cabinet 2 Seal 3 Clamping screws Required installation depth 3 5 Post installation check After installation check the transmitter for dama...

Страница 15: ...ction must only be carried out by authorised technical personnel Technical personnel must have read and understood the instructions in this manual and must adhere to them Ensure that there is no volta...

Страница 16: ...creen connection for glass electrodes Potential matching Temperature sensor Signal output 1 pH ORP Signal output 2 temperature pH ORP or controller Binary input 1 Hold Binary input 2 Chemoclean J K L...

Страница 17: ...nt connection sticker 1 Ground terminal for IS device version pH Redox Glas 42 43 41 54 55 56 NC SRC DRN 31 11 12 32 13 PA PM 34 33 S REF Glas IsFET IsFET IsFET NC 93 86 85 94 81 82 NC 51 52 53 57 58...

Страница 18: ...es please refer to the Accessories section Sensor type Cable Extension Electrode without temperature sensor OPK1 VBA VBM box OYK71 cable Electrode with temperature sensor Pt 100 and TOP 68 plug in hea...

Страница 19: ...mounted instrument you have to terminate the measuring cable with a BNC connector A solder free BNC connector is supplied with the device Proceed as follows 1 Cut off end sleeves 2 and 3 of the coaxi...

Страница 20: ...04 06 00 en 015 eps Fig 15 Terminating the pH connecting cable for mounting the BNC elbow plug 8 Push the BNC connector housing 9 over the cable The inner conductor must be located at clamping surface...

Страница 21: ...If you want asymmetrical measurement you have to change the configuration in the A2 field If the asymmetrical software setting was selected for a symmetrical connection the operating time of the refe...

Страница 22: ...Error message present alarm LED red or Device defective or voltage free alarm LED off Relay de energised Contact 41 42 closed Device status and specifications Remarks Are the transmitter or the cable...

Страница 23: ...current operating mode Auto green LED or Manual yellow LED Indicates the activated relay in the Manual mode red LED Indicates the working status of relay 1 and 2 LED green measured value within the p...

Страница 24: ...4 5 6 7 Indicator for measuring mode normal operation Indicator for calibration mode Indicator for setup mode configuration Indicator for Hold mode current outputs remain at last current state Indica...

Страница 25: ...US key and MINUS key In the setup mode the PLUS and MINUS keys have the following functions Selection of function groups Note Press the MINUS key to select the function groups in the order given in th...

Страница 26: ...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...

Страница 27: ...The transmitter is in Automatic mode The top LED beside the AUTO key is lit 2 Press the AUTO key The bottom LED beside the AUTO key lights up 3 To enable the manual mode enter the code 22 via the PLU...

Страница 28: ...ibration and Offset menu Key ENTER Code 22 access to the menus for the parameters which make configuration and user specific settings possible Keys PLUS ENTER locks the keyboard Keys CAL MINUS unlocks...

Страница 29: ...19 06 00 xx 002 eps Fig 23 Diagram of the menu structure 1 Functions parameters selected numbers entered 2 Function groups scroll backwards and forwards with the PLUS and MINUS keys 3 Switch from func...

Страница 30: ...set to the factory settings A2 Select connection mode Sym symmetrical Asym asymmetrical Detailed information on symmetrical or asymmetrical connections can be found in the Sensor connection section A3...

Страница 31: ...rature which is to be used for compensation B2 Enter process temperature 25 0 C 50 0 150 0 C Only if A1 pH and B1 MTC You can edit the displayed value The value entered can only be in C B3 Select the...

Страница 32: ...m condition in the main stream flow too low or has completely stopped and triggers dosing switch off even if the medium flow is retained due to the method of installation Flow in main stream Current s...

Страница 33: ...with factory setting C07 OPM2x3xx 05 06 00 de 003 eps Fig 26 Multiplying feedforward control Y Gain Kinfl X Current input signal C07 OPM2x3xx 05 06 00 xx 002 eps Fig 25 Sample arrangement for feedfor...

Страница 34: ...switch off limit value for the current input 50 0 100 0 100 corresponds to 4 20 mA at the current input Observe measured value assignment to the current output of the flowmeter Z5 Enter the switch off...

Страница 35: ...C07 OPM2x3xx 05 06 00 xx 004 eps Fig 27 User defined current output characteristic example The current output characteristic must be extremely monotonic increasing or extremely monotonic decreasing Th...

Страница 36: ...Select measured variable for 2nd current output C pH mV Contr R237 R 266 curr current output 2 can only be selected if O2 Contr is selected relay board required O3 O3 1 Enter or output linear charact...

Страница 37: ...simulation value Current value 0 00 22 00 mA Entering a current value results in this value being directly output at the current output O3 3 Enter current output table only for Plus Package Lin linea...

Страница 38: ...eturn to O333 until all values are entered O336 Message as to whether table status is OK yes no Back to O3 If status no correct table all settings made up until now are retained or back to measuring m...

Страница 39: ...me unit s min F3 Enter alarm delay 0 s min 0 2000 s min Depending on the option selected in F2 the alarm delay is entered in s or min F4 Select error current 22 mA 2 4 mA This selection must be made e...

Страница 40: ...undershot approx 500 k This function cannot be selected for antimony and ISFET electrodes A4 Monitoring of impedance of the reference electrode alarm if set threshold value overshot This function can...

Страница 41: ...n CC A malfunction of the controller is detected and reported thanks to freely adjustable monitoring times E154 E157 C07 OxM2x3xx 05 06 00 xx 001 eps Fig 29 PCS alarm live check A Constant measuring s...

Страница 42: ...reference electrode increases with the degree of contamination P4 Leak current display for ISFET sensor 0 0 9 9 A Only if A4 ISFET and P1 on Display only Leak currents 0 4 A indicate damage to the ISF...

Страница 43: ...uration for alarm threshold undershoot 60 min 0 2000 min Only for P9 CC or AC CC P11 Enter maximum permissibleduration for alarm threshold overshoot 120 min 0 2000 min Only for P9 CC or AC CC P12 Ente...

Страница 44: ...ment Please refer to Abb 30 for a clear illustration of the relay contact states When the measured values increase maximum function the relay contact is closed as of t2 after the switch on point t1 ha...

Страница 45: ...The following configuration options are available for a PID controller Change control gain Kp P influence Set integral action time Tn I influence Set derivative action time Tv D influence Basic load...

Страница 46: ...ng frequency of the contact affected The maximum switching frequency 1 T can be set between 60 and 180 min 1 The on time tON is constant It depends on the set maximum frequency and is approx 0 5 s for...

Страница 47: ...eaning 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 funct...

Страница 48: ...th a designated relay board see product structure or chapter accessories Timer and Chemoclean do not work independently of one another While one of the two functions is active the other cannot be star...

Страница 49: ...atch The neutral zone can be shifted as desired in the X direction via set point 1 and 2 Note Neutralisation control is only possible with relays 1 and 2 C07 OxM2x3xx 05 06 00 xx 009 eps Fig 37 Contro...

Страница 50: ...R216 Enter alarm threshold pH 16 00 pH 2 00 16 00 1500 mV 1500 1500 mV 100 0 0 0 100 0 If the alarm threshold is undershot overshot this triggers an alarm with the error message and error current at...

Страница 51: ...m threshold must be switch off point R227 Display status for limit contactor MAX MIN Display only R2 3 Configure P ID controller LC PV limit contactor pH ORP 1 LC C limit contactor T 2 PID controller...

Страница 52: ...signal outputs section Curr current output 2 can only be selected if O2 Contr R238 Enter pulse interval 10 0 s 0 5 999 9 s This field only appears if pulse length is selected in R237 If pulse frequenc...

Страница 53: ...r minimum pause time 120 min 1 R243 min The minimum pause time prevents constant cleaning if a cleaning trigger is present R2 5 Configure cleaning with Chemoclean for version with four contacts and co...

Страница 54: ...nomy function 0 0 9 After cleaning with cleaner up to 9 cleaning sessions can be carried out with water only until the next cleaning session with cleaner takes place R2 6 Configure neutralisation cont...

Страница 55: ...ected if O2 Contr R267 Enter pulse interval 10 0 s 0 5 999 9 s This field only appears if pulse length is selected in R266 If pulse frequency is selected R267 is skipped and entries continue with R268...

Страница 56: ...period 10 s 0 999 s S5 Enter SW upgrade release code Plus Package 0000 0000 9999 If an incorrect code is entered you are taken back to the measurement menu The number is edited with the PLUS or MINUS...

Страница 57: ...ly select 60 Hz if the frequency of the voltage at the place of use is 60 Hz the measured value is fluctuating or sporadic SCS errors are reported Coding Field Setting range Factory settings bold Disp...

Страница 58: ...E133 E143 E153 Serial number is displayed Only display function E114 E124 E134 E144 E154 Module ID is displayed Only display function Coding Field Setting range Factory settings bold Display Note E113...

Страница 59: ...et is automatically deleted after the calibration is accepted If the slope or zero point are outside the ranges given in C16 and C17 error 32 becomes active for slope or error 33 becomes active for ze...

Страница 60: ...on takes place if the value is stable difference between measured values 0 05 and constant value over 10 s If the value does not stabilise within 5 min error 44 is set and the calibration is aborted I...

Страница 61: ...t is set Here a buffer solution is used preferably with 225 or 475 mV The maximum permitted calibration offset is 100 mV C21 Enter the mV value belonging to the ORP buffer used Current measured value...

Страница 62: ...ue is accepted provided it is stable or confirmed with the CAL key see calibration pH C32 Calibration is performed mV value is displayed Accepted in the event of stability 5 mV for more than 10 s C33...

Страница 63: ...mV pH 38 00 65 00 mV pH Antimony 59 16 mV pH 25 00 65 00 mV pH ISFET 59 16 mV pH 38 00 65 00 mV pH For A4 ISFET enter the slope from the quality certificate N3 Enter zero point Glass 7 00 pH 5 00 9 0...

Страница 64: ...g Field Setting range Factory settings bold Display Info V OFFSET function group for pH or ORP Depending on the operating mode selected either pH or ORP appears i e no direct selection can be made V1...

Страница 65: ...dentical to the voltage written on the nameplate 6 3 Switching on Familiarise yourself with the operation of the transmitter before it is first switched on Please refer in particular to the Safety ins...

Страница 66: ...solute Temperature measurement in C Type of measurement compensation Linear with reference temperature 25 C 77 F Temperature compensation Automatic ATC on Limit value for controller 1 pH 16 ORP 1500 m...

Страница 67: ...o exit the Service function group 7 Press S until you get to the Setup 1 function group 8 Press F to be able to make your settings for Setup 1 9 In A1 select the desired mode of operation e g pH Press...

Страница 68: ...to field B3 ATC MTC 17 In B3 select the type of temperature compensation for the calibration e g ATC for automatic temperature compensation Press F to confirm ATC MTC 18 The current temperature is di...

Страница 69: ...ability are also guaranteed after repair Note If you have any queries please contact your local Sales Office 7 1 Maintenance transmitter 7 1 1 Dismantling of panel mounted instrument Caution Please no...

Страница 70: ...trand pH input strand comes from the BNC connection jack Using a fine side cutting pliers nip off the heads of the synthetic distance sleeves Then remove the module from above To assemble carefully pu...

Страница 71: ...event the additional functions from being enabled An incorrect serial number can only be corrected at the factory Press ENTER to confirm the serial number or cancel the entry to enter the number again...

Страница 72: ...rrect mounting For this reason check the orientation The range 15 to 165 to the horizontal is allowed Not permitted horizontal installation or installation with the plug in head pointing downwards C07...

Страница 73: ...heck check the infeed and outfeed measuring cable separately Check the cable with 1000 V DC at least with 500 V DC testing voltage If the cable is intact the insulation resistance 100 G If the cable i...

Страница 74: ...to product structure see Technical Information TI375e00 OPS471 Sterilisable and autoclavable ISFET sensor for food and pharmaceuticals process technology water treatment and biotechnology Ordering ac...

Страница 75: ...using for outdoor installation material stainless steel 1 4031 order no OYY101 A a0005585 Fig 40 Weather protection cover for field instrument Universal upright post OYY102 Square post for mounting of...

Страница 76: ...echnical Information TI223e00 OPA473 Process retractable assembly made of stainless steel with ball valve shut off for particularly safe separation of the process medium from the environment Order as...

Страница 77: ...r solutions for single use accuracy 0 02 pH acc to NIST DIN pH 4 0 20 x 20 ml 0 005 US gal order no OPY 2 D pH 7 0 20 x 20 ml 0 005 US gal order no OPY 2 E Technical buffer solutions for ORP electrode...

Страница 78: ...plier or replace the device Yes No 1 E002 Instrument not calibrated calibration data invalid no user data invalid EEPROM error instrument software not suitable to hardware controller Yes No 1 E003 Dow...

Страница 79: ...ck configuration in the Current outputs menu check measurement and connections check device and measuring cable with simulator if necessary Yes No No E064 Current output range 1 exceeded Yes No No E06...

Страница 80: ...n as possible No No No E171 Flow in main stream too low or zero Restore flow Yes No No E172 Switch off limit for current input exceeded Check process variables at sending measuring instrument Change r...

Страница 81: ...nnection moisture dirt Check cable plug connector and junction boxes pH simulator insulation see Checking the connecting lines and boxes section Device input defective Check device directly pH simulat...

Страница 82: ...fields S2 to S4 Controller limit contact works constantly Controller in operating mode Manual on Set controller to Manual off or Auto Keyboard REL and AUTO keys Drop out delay set too long Reduce dro...

Страница 83: ...your supplier when a Plus Package is ordered For Plus Package retrofit enter code supplied by your supplier Following replacement of a defective module LSCH LSCP first enter device serial number see n...

Страница 84: ...ant On site diagnosis by responsible service test module necessary Display is on but No change in display and or Device cannot be operated Device or module in device not correctly mounted OPM223 reins...

Страница 85: ...ial number saved in LSCH LSCP module Check whether serial number on the nameplate matches SNR in LSCH LSCP field S 8 The serial number of the device is definitive for the S package Additional function...

Страница 86: ...n the safe side you should always specify the following data with your spare part orders Instrument order code order code Serial number serial no Software version where available Refer to the nameplat...

Страница 87: ...ent You can take the spare parts and the corresponding order number from the following section using the item numbers C07 OxM223xx 09 06 06 xx 001 eps Fig 43 Exploded drawing of panel mounted instrume...

Страница 88: ...nput 4 20 mA 51504304 300 Relay module LSR1 4 4 relays 51500321 300 Relay module LSR2 4i 4 relays current input 4 20 mA 51504305 310 Side panel Kit with 10 parts 51502124 310 320 340 400 Housing mecha...

Страница 89: ...take the spare parts and the corresponding order number from the following section C07 OxM253xx 09 06 06 xx 001 eps Fig 44 Field device exploded drawing 100 V Pos 10 Netzteil 100 230 V AC 230 V 115 V...

Страница 90: ...0 Inner housing fittings Docking module empty electronics box small parts 51501073 450a 450c Torx screws K4x10 Part of inner housing fittings 450b Torx screw for central module Part of inner housing f...

Страница 91: ...return it cleaned to the sales centre responsible Please use the original packaging if possible 9 7 Disposal The device contains electronic components and must therefore be disposed of in accordance...

Страница 92: ...depending on operating voltage Transmission range pH Adjustable min 1 pH ORP Absolute Relative Adjustable min 50 mV Fixed 0 100 Temperature Adjustable 10 100 of end of measuring range Continuous contr...

Страница 93: ...tment range pH temperature entire measuring range Alarm delay 0 2000 s Supply voltage Depending on order version 100 115 230 V AC 10 15 48 62 Hz 24 V AC DC 20 15 Power consumption Max 7 5 VA Mains fus...

Страница 94: ...x 0 2 of scope of measuring range Zero point shift Glass electrode pH 5 0 9 0 nominal pH 7 00 Antimony electrode pH 1 0 3 0 nominal pH 1 00 ISFET sensor 500 500 mV Slope adjustment Glass electrode 38...

Страница 95: ...OPM223 253 Technical data 95...

Страница 96: ...ion group SETUP 1 A Select operating mode ORP mV ORP pH A1 Select connection type asym asymmetrical sym symmetrical A2 Enter measured value damping no damping 1 60 1 A3 Select sensor Glass E 7 0 Antim...

Страница 97: ...E C18 Field for customer settings Automatic start of cleaning function yes not always displayed see error messages no F8 Activate error current for previously set error yes no F7 F9 Select next error...

Страница 98: ...nal suppressed by ext int internal R252 Limit contactor configuration Neutr neutralisation controller with Rel1 and Rel2 and A1 pH only Clean Chemoclean with Rel3 only Timer PID controller LC C Limit...

Страница 99: ...ponentl 0 0 999 9 min 0 0 min R265 Enter minimum ON time t 0 1 5 0 s on 0 3 s R269 Enter maximum pulse frequency 60 180 1 min 120 1 min R268 Select freq pulse frequency curr current output 2 len pulse...

Страница 100: ...Appendix OPM223 253 100...

Страница 101: ...Electrical icons 5 EMC 5 Environment 93 F Factory settings 66 Field device connection 17 Freezing of outputs 29 H Hold function 29 56 I Icons Electrical 5 Safety symbols 5 Incoming acceptance 9 Input...

Страница 102: ...Replacement of controller 70 Return 5 91 S Safety icons 5 Scope of delivery 7 Service 56 Service 2 57 Setup 1 30 Setup 2 31 Spare parts 86 Storage 9 Switching on 65 Symbols 5 System configuration 30...

Страница 103: ...OPM223 253 103...

Страница 104: ...BA194e 00 07 09 71106576 Printed in Germany FM SGML 6 0 DT 71106576...

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