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25

Note:

The choices above only

appear when linear conductivity
is chosen on output 1 and/or 2.

Select functions:

IM 12D7B4-E-H

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Содержание SC150

Страница 1: ...IM 12D7B4 E H 2nd edition Instruction Manual YOKOGAWA Model SC150 Conductivity and Resistivity Converter...

Страница 2: ......

Страница 3: ...N OF EXAxt SC150 10 4 1 Main Display Functions 10 4 2 Trending Graphics 10 4 3 Zoom in on Details 10 4 4 Information Function 12 4 5 Secondary Primary Value Display Switch 12 4 6 Setup Calibration and...

Страница 4: ...Periodic Maintenance 33 8 2 Periodic Maintenance for the Sensor 33 8 3 Cleaning Methods 33 9 TROUBLESHOOTING 34 9 1 General 34 9 2 Calibration Check 34 9 3 Polarization Check 34 9 4 Predictive Mainten...

Страница 5: ...o change without notice Yokogawa is not responsible for damage to the instrument poor performance of the instrument or losses resulting from such if the problems are caused by Incorrect operation by t...

Страница 6: ...warranty service is requested Complete shipping and billing instructions for return of material plus the name and phone number of a contact person who can be reached for further information Returned...

Страница 7: ...yzer if these instructions are not followed 1 1 Instrument check Upon delivery unpack the instrument carefully and inspect it to ensure that it was not damaged during shipment If damage is found retai...

Страница 8: ...nsure easy calibration and peak performance If the unit must be mounted remotely from the sensors WF10 extension cable can be used up to a maximum of 50 meters 150 feet with a BA10 junction box and up...

Страница 9: ...configurable temperature coefficient NaCl curve 12 pre defined matrices or 2 user programmable matrices G Calibration Semi automatic calibration using pre configured OIML KCl buffer tables with autom...

Страница 10: ...ons See chapter 2 3 2 Mounting and dimensions Refer to fig 3 1 to 3 5 Note that the EXAxt has integrated mounting clamps The EXAxt uses an Integral mounting clamp at each corner driven by screws opera...

Страница 11: ...3 5 Panel mounting cut out Fig 3 4 Housing dimensions and layout C L C L 100 3 94 min Cut Out 92x 92 Tol 0 5 0 3 63 x 3 63 Tol 0 02 0 100 3 94 min 96 3 8 96 3 8 25 1 90 3 54 95 5 3 76 Safety Cover 11...

Страница 12: ...over The EXAxt 150 is equipped with terminals suitable for the connection of finished cables in the size range 0 13 to 2 5 mm2 26 to 14 AWG Forked or pin crimps can be used to terminate the cables Saf...

Страница 13: ...red to the printed circuit board The fuse rating is dependent on the supply to the instrument Fuse ratings are For the DC version 1 A For the AC version 125 mA 250 Volt Time lag T IEC60127 3 6 Wiring...

Страница 14: ...onnections Conductivity and Resistivity measurement 3 7 Wiring the Current Outputs The current outputs should be connected using twisted pair signal cable The screen shield should be connected to grou...

Страница 15: ...les to the transmitter make sure that following conditions are met the sensor cables are not mounted in tracks together with high voltage and or power switching cables only standard sensor cable or ex...

Страница 16: ...during commissioning and is found on the nameplate of the sensor or the calibration certificate Routing Commissioning Routing Commissioning Measurement setup Configure Measurement setup Configure sen...

Страница 17: ...libration interval Routing Commissioning Routing Commissioning Measurement setup Calibration Measurement setup Calibration settings settings 4 3 9 Projected calibration at a diagnostic output showing...

Страница 18: ...s also possible to press on the or symbol found beside the menu item 4 4 Information function In this field an information sign a warning sign or a fail sign can appear Pushing this button the user ge...

Страница 19: ...0 S10Tr S10T1 S10T10 2 Tref reference temperature is defined in the Temperature Compensation menu If Tref is between T1 an T5 then the value of Tref needs to be entered as Tx Concent Tref T1 Tx T10 So...

Страница 20: ...IM 12D7B4 E H 14...

Страница 21: ...IM 12D7B4 E H 15 5 MENU STRUCTURE COMMISSIONING...

Страница 22: ...sensors Temperature Unit Celcius or Fahrenheit temperature scales can be selected to suit the user s preference 5 3 Temperature Compensation Compensation Two types of methods can be used here Automat...

Страница 23: ...s selection will influence a number of choices and defaults throughout the whole menu In the selection boxes defaults are shown with a black background Generally defaults are shown with their ranges a...

Страница 24: ...able limits c c low limit Low limit of the cell constant expressed in of nominal value During calibration this value is used to check if the calibrated cell constant remains within reasonable limits C...

Страница 25: ...21 data point table In the selection boxes defaults are shown with a black background Generally defaults are shown with their ranges and possible choices IM 12D7B4 E H 19...

Страница 26: ...rol Direction Reverse If the Process variable increases to the Setpoint Process variable too high the output of the controller is decreased reverse action Direct If the Process variable increases to t...

Страница 27: ...IM 12D7B4 E H 21 0 000 100 0 Note default settings relate to conductivity comparable defaults exist for resistivity...

Страница 28: ...represents the on time per second 5 8 Configure Hold General Hold is the procedure to set the outputs to a known state when going into commissio ning During commissioning HOLD is always enabled outpu...

Страница 29: ...IM 12D7B4 E H 23 Note default settings relate to conductivity comparable defaults exist for resistivity alarm A Soft Fail enables the fail contact pulse A Soft Fail is shown on the display only...

Страница 30: ...t fail gives a flashing FAIL flag in the display and the relay contact is pulsed The other contact controls is still functional and the controller continues to work normally A good example is a contro...

Страница 31: ...25 Note The choices above only appear when linear conductivity is chosen on output 1 and or 2 Select functions IM 12D7B4 E H...

Страница 32: ...strument and is defined to be unique throughout the control system at one plant site Passwords Calibration and Commissioning may be separately protected by a password Default both passwords are empty...

Страница 33: ...IM 12D7B4 E H 27 No action After the defaults are loaded the instrument will reset Load factory defaults Save current as user defined Load user defined defaults No action...

Страница 34: ...menu items 8 Measurement setup Main Measurement setup Main parameter and parameter and Measurement Measurement setup Configure sensor setup Configure sensor Additional text Each process value can be g...

Страница 35: ...IM 12D7B4 E H 29 Time Span x 1 hour Temperature Concentration...

Страница 36: ...measuring function tested if so desired or the connections for current output and relay contacts can be made and the commissioning completed as a single task E The temperature sensor is set as a PT100...

Страница 37: ...r damaged in the course of operation Choose 1st or 2nd compensation to suit the calibration solution used The solution should be prepared or purchased meeting the highest standards of precision availa...

Страница 38: ...reading zero offset calibration only For best accuracy this should be done as near to the normal operating temperature as possible 7 8 General Comments on SC Calibration a SC sensors experience no dr...

Страница 39: ...enter for spare parts and instructions Fuse There is a circuit board mounted fuse protecting the instrument If you suspect that this needs to be replaced contact your nearest Yokogawa service center f...

Страница 40: ...is accepted otherwise the unit generates an error message and the calibration is rejected 9 3 Polarization check The EXAxt SC150 performs on line monitoring to detect polarization This is an early in...

Страница 41: ...t No 1 Front cover kit xx150 cover hinge s label K1547SA 2 Terminal kit xx150 power input output relay contacts K1547SB 3 Terminal protect cover xx150 K1547SC 4 Panel fixing set screws clamps washers...

Страница 42: ...endent on temperature Typically for every 1 C change in temperature the solution conductivity will change by approximately 2 The effect of temperature varies from one solution to another and is determ...

Страница 43: ...re t 1 t 2 liquid temperature C K 1 conductivity at t 1 C K 2 conductivity at t 2 C K2 K1 Kref T2 T1 Tref T C K S cm Fig 11 1 Conductivity B Calculation of Temperature Coefficient Factor with two know...

Страница 44: ...r changes Matrix compensation The compensation matrix is a table of temperature and conductivity values at differing concentrations These values are used to calculate the temperature compensation appl...

Страница 45: ...well equipped laboratory these conditions are hard to meet Also note that the check must be performed with due regard to the cell constant of the sensor as it limits the effective working range The do...

Страница 46: ...ement the standard resistivity units of the calibration solution can be calculated as follows R 1000 G k cm if G S cm Example 0 001 weight R 1000 21 4 46 7 k cm Weight mg kg Conductivity 0 001 10 21 4...

Страница 47: ...nge Mounting of these sensors is as for the SP X 34 series SC4A S T XX 010 cc 0 1 cm 1 2 electrode sensor This sensor is a good choice for clean water measurements From 0 5 S cm up to 200 S cm this is...

Страница 48: ...e chemicals that are present in high conductivity solutions It is better suited to flow through installations in FS40 and FF40 adapters and fittings but it can also be used in dip tubes FD40 SC42 TP08...

Страница 49: ...IM 12D7B4 E H 43...

Страница 50: ...IM 12D7B4 E H 44...

Страница 51: ...mum accuracy 0 05 of reading To measure Contact Relays open or close Sensor cable type WU40 2 metres without sensor connection to connect the input signals Connect the SC150 as shown in the figure bel...

Страница 52: ...and current check Contact relay operation check Input contact operation check The checkbox Functional test on the QIC form is used for the result of these checks The Contact Relay operation check can...

Страница 53: ...0 5 k 5 1 M 1 000 M 0 005 M Pt1000 RTD Pt100 RTD Resistance Temperature Tolerance Resistance Temperature Tolerance 960 9 10 C 0 3 C 96 1 10 C 0 4 C 1097 4 25 C 0 3 C 109 7 25 C 0 4 C 1290 0 75 C 0 3 C...

Страница 54: ...turn to the Test QIC menu Set Quit test to Yes Press Home button to return to normal operation Note if you do not set Quit test to Yes and return by only pressing the Home button or even by the Auto R...

Страница 55: ...0 50 0 0 4 12 00 0 08 open 1385 0 100 0 0 4 20 00 0 08 open 3000 0 0 20 50 0 02 pulse The tolerances specified relate to the performance of the SC150 in the controlled environment of the testing faci...

Страница 56: ...QIS 12D7B4 E H 50...

Страница 57: ...QIC 12D7B4 E H 1st edition Databankweg 20 3821 AL Amersfoort The Netherlands Quality Inspection Certificate YOKOGAWA Model SC150 Conductivity and Resistivity Converter 51...

Страница 58: ...alamboc u 30 1119 BP BUDAPEST Tel 36 1 204 2797 Fax 36 1 204 2781 ITALY Yokogawa Italia S r l Vicolo D Pantaleoni 4 20161 MILANO Tel 39 02 66 24 11 Fax 39 02 645 57 02 SPAIN Yokogawa Espa a S A C Fran...

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