Yokogawa EXAxt SC450 4-Wire Analyzer for Conductivity/Resis Manuel d'utilisateur

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Page 1 - Converter

IM 12D08N05-01E4th EditionUser’sManualModel SC450G [Style: S2]Conductivity / ResistivityConverter

Page 2 - Measurement setup

2 IM 12D08N05-01E2. GENERAL SPECIFICATIONS OF EXAxt SC450GA) Inputs specifications : Two or four electrodes measurement with square wave excitation,

Page 3

3IM 12D08N05-01E2 GENERALSPECIFICATIONS Hold : ContactcanbeusedtosignaltheHOLDsituation. Failsafe : ContactS4isprogrammedasafai

Page 4

4 IM 12D08N05-01EO) Safety and EMC conforming standards , Safety : EN61010-1   CSAC22.2No.61010-1   UL61010-1   FM3611ClassI,

Page 5 - 4th Edition: Mar. 2012 (YK)

5IM 12D08N05-01E3 INSTALLATIONANDWIRING3-1. Installation and dimensions3-1-1. Installation siteThe EXAxt 450 converter is weatherproof and can be i

Page 6

6 IM 12D08N05-01Emin.185 (7.25")min.195(7.75")138(5.43")138(5.43")M6M6M5138(5.43")+1 0138(5.43")+1 0Figure 3-2. Opt

Page 7

7IM 12D08N05-01E3 INSTALLATIONANDWIRING3-2. Wiring3-2-1. PreparationRefer to figure 3-4. The relay contact terminals and power supply connections a

Page 8

8 IM 12D08N05-01EHigh voltage sectionContact(S1, S2)outputcablesmAcablesContact(S3, S4)outputcablesSensorCablesInputcontactPowercableSuitable for cabl

Page 9 - 4-20mA(mA1: +HART)

9IM 12D08N05-01E3 INSTALLATION AND WIRING3-3. Wiring the power supply3-3-1. General precautionsMake sure the power supply is switched off. Also, make

Page 10

10 IM 12D08N05-01E3-3-5. Grounding the housingForthesafetyoftheuserandtoprotecttheinstrument against interference, the housing must always b

Page 11 - GENERALSPECIFICATIONS

11IM 12D08N05-01E3 INSTALLATIONANDWIRING3-4. Wiring the contact signals3-4-1. General precautionsThe contact output signals consist of volt-age-fre

Page 12

EnterMeasurement setup Temperature settings Temp. Compensation Calibration settings Concentration Measure Conductivity only Configure sens

Page 13 - 3. INSTALLATION AND WIRING

12 IM 12D08N05-01EFigure 3-9. Sensor wiring diagrams3-6. Wiring of sensorsGeneral precautionsGenerally,signalsfromsensorsareatlowvolt-age and

Page 14

13IM 12D08N05-01E3 INSTALLATIONANDWIRING3-6-1. Sensor cable connections using junc-tion box (BA10) and extension cable (WF10)Where a convenient in

Page 15

14 IM 12D08N05-01EExtension cable may be purchased in bulk quantities or in pre-finished lengths. In the case of bulk quantities cut to length, then i

Page 16 - High voltage section

15IM 12D08N05-01E4 OPERATION OF EXAxt SC450G4-1. Main display functionsGo to trend screenGo to zoom screenGo to status screenGo to maintenance screen2

Page 17 - Unit: mm(inch)

16 IM 12D08N05-01E4-3-1. Actual mA1=thecurrentoutputinmAofthe first current output, which is defined as mA1. The range and function of this mA

Page 18 - FUSE: 2A/250 VAC/T

17IM 12D08N05-01E4OPERATIONOFEXAxtSC450G4-3-15. HART Device revisionSometimesthefirmwareofadeviceisupdated in a way that the communication

Page 19

18 IM 12D08N05-01E“RETURNKEY”exittopreviousdisplayMain displayPrimary setup displayCommisioning menu displayInstrumentinHOLD4-7. Navigation of

Page 20

19IM 12D08N05-01E4OPERATIONOFEXAxtSC450G

Page 21 - / CONVERTER

20 IM 12D08N05-01EMeasurement setupMain parameterChoose the required parameter, either con-ductivity or resistivity. If the main parameter is changed

Page 22

21IM 12D08N05-01E5MENU STRUCTURECOMMISSIONINGMenu Parameter Default Range values min. max.ConfigureSensor Cellconstant 0.1cm-1 0.005

Page 23 - Go to maintenance screen

Electrostatic dischargeThe EXAxt converter contains devices that can be damaged by electrostatic discharge. When servicing this equipment, please obse

Page 24

22 IM 12D08N05-01E5-4. Calibration settingsAir adjust limitTo avoid cable influences on the measurement, a “zero” calibration with a dry sensor may be

Page 25 - OPERATIONOFEXAxtSC450G

23IM 12D08N05-01E5MENU STRUCTURECOMMISSIONINGMenu Parameter Default Range values min. max.Calibration Airadjust 10.00µS 0µS  20µS

Page 26 - Commisioning menu display

24 IM 12D08N05-01E5-6. mA output setupThe general procedure is to first define the function (control, output, simulate, off) of the output and second

Page 27 - IM 12D08N05-01E

25IM 12D08N05-01E5MENU STRUCTURECOMMISSIONINGMenu Parameter Default Range values min. max.mA1 (control) Expire time 0.0 sec. 0 sec.

Page 28

26 IM 12D08N05-01EExpire timeIftheoutputisover100%forlongerthantheexpiretime,theoutputwillreturnto0%.Damping timeThe response to a st

Page 29

27IM 12D08N05-01E5MENU STRUCTURECOMMISSIONINGMenu Parameter Default Range values min. max.PID-controlS1 Setpoint 250.0µS/cm -inf 

Page 30

28 IM 12D08N05-01E5-8. FailA fail contact is energized when a fail situation occurs.Failsituationsareconfiguredinsecton5-12.ForSOFTFailsthe

Page 31

29IM 12D08N05-01E5MENU STRUCTURECOMMISSIONINGMenu Parameter Default Range values min. max.Simulation Percentage 50% 0%  100%S2, S3, S

Page 32

30 IM 12D08N05-01E5-12. Error configurationErrors 1/3 ~ 3/3Errors are intended to notify the user of any unwanted situations. The user can determine w

Page 33

31IM 12D08N05-01E5MENU STRUCTURECOMMISSIONINGEnterErrors 2/3Temperature too highTemperature too lowPolarization detectCalibr. time exceededUSP li

Page 34

ii The following safety symbols are used on the product as well as in this manual.DANGERThis symbol indicates that an operator must follow the instru

Page 35

32 IM 12D08N05-01E5-14. Advanced setupDefaultsThe functionality of the EXAxt allows to save and load defaults to come to a known instru-ment setting.

Page 36

33IM 12D08N05-01E5MENU STRUCTURECOMMISSIONINGMenu Parameter Default Range values Low HighHART Network address 0 0 15

Page 37

34 IM 12D08N05-01E5-15. Display setupMain displayThe main display consists of three lines with Process Values. Each line is user definable with the re

Page 38

35IM 12D08N05-01E5MENU STRUCTURECOMMISSIONINGMenu Parameter Default Range values Low HighY-axis Conduct low 0 µS/cm -inf  +infY-ax

Page 39

36 IM 12D08N05-01E6-1. GeneralThe nominal cell constant of a conductiv-ity sensor is determined at the construction stage, because it is a factor set

Page 40

37IM 12D08N05-01E6CALIBRATION6-7. Temperature calibration In order to make the most accurate measure-ments, it is important to have a precise temper-

Page 41

38 IM 12D08N05-01E7-1. Periodic maintenance The converter requires very little periodic main-tenance, except to make sure the front window is kept cle

Page 42

39IM 12D08N05-01E7 MAINTENANCETouchscreen adjustment A few years after using, the touchscreen may deviate from the correct position due to aging de

Page 43

40 IM 12D08N05-01E8-1. General The EXAxt is a microprocessor-based analyzer that performs continuous self-diagnostics to verify that it is working cor

Page 44 - 6. CALIBRATION

41IM 12D08N05-01E9QUALITYINSPECTION9. QUALITY INSPECTIONQualityInspectionStandards SC450GConductivity or Resistivity Converter QIS 12D08N05-01E1s

Page 45 - CALIBRATION

IM 12D08N05-01EiiiIM 12D08N05-01E4th Edition: Mar. 2012 (YK) All Rights Reserved, Copyright © 2007, Yokogawa Electric CorporationTABLE OF CONTENTSPREF

Page 46 - 7. MAINTENANCE

42 IM 12D08N05-01E2/3 QIS 12D08N05-01EThis test is done on the “HIF” display of “Factory Mode”. a. Touch the [Setup] icon. b. Touch the [Commissioni

Page 47 - 7 MAINTENANCE

43IM 12D08N05-01E9QUALITYINSPECTION3/3 QIS 12D08N05-01EAfter all tests are completed, a. Touch the [Exit] twice to return to the “Service” display

Page 49 - Standards

45IM 12D08N05-01E9SPAREPARTS10. SPARE PARTSSeeCustomerMaintenancePartsList.

Page 50

46 IM 12D08N05-01EAppendix 1Temperature compensationThe conductivity of a solution is very dependent on temperature. Typically for every 1°C change in

Page 51

47IM 12D08N05-01EAAPPENDICESB. Calculation of temperature coefficient factor(with two known conductivity values at different temperatures)Measure the

Page 52

48 IM 12D08N05-01ECheckingWhen the temperature coefficient already set is accurate, the conductivity to be displayed must be constant regardless of li

Page 53 - 10. SPARE PARTS

49IM 12D08N05-01EAAPPENDICESThe matrix can be cleared before entering new values. Next new matrix values can be entered as described above. The EXAxt

Page 54 - APPENDICES

50 IM 12D08N05-01EAppendix 2TDS readingsTheconceptofTotalDissolvedSolids(TDS)iswidely used as an indication of the total solute concentration

Page 55

51IM 12D08N05-01EAAPPENDICESAppendix 3Calibration solutions for conductivityNote! This section should be read in conjunction with the calibration sect

Page 56

IM 12D08N05-01Eiv 4. OPERATION OF EXAxt SC450G ...154-1. Main display funct

Page 57

52 IM 12D08N05-01EIfitismoreconvenient,theusermaymakesolutionsfromSodiumChloride(NaClorcommontable salt) with the help of the followin

Page 58

53IM 12D08N05-01EAAPPENDICESAppendix 4Sensor selection for the EXAxt SC450GYokogawa supplies the following sensors, and their application is briefly d

Page 59

54 IM 12D08N05-01ESC42-EP04 cc = 10 cm-1 2-electrode sensorThis sensor is in the program for historical reasons. It makes little sense to select

Page 60

55IM 12D08N05-01EAAPPENDICESAppendix 5, How to enter the cell constant for the SC21¨G, SC8SG, and SC4AJWhen install a new sensor, or replace a new one

Page 61

56 IM 12D08N05-01EOnline menu Level 1 menu Level 2 menu Level 3 menu Level 4 menuProcess valuesPrimary value (SC/RES/Conc.)Secondaryvalue(Temp.)Tert

Page 62

57IM 12D08N05-01EAAPPENDICESOnline menu Level 1 menu Level 2 menu Level 3 menuLevel 4 menuMost appl. ErrorCalibrationHold InstrumentError description

Page 63

58 IM 12D08N05-01EOnline menu Level 1 menu Level 2 menu Level 3 menu Level 4 menuCommissioningOutput setup mA1 setupmA2 setup (similar to mA1) Type =

Page 64

59IM 12D08N05-01EAAPPENDICESOnline menu Level 1 menu Level 2 menu Level 3 menu Level 4 menuLoop testBasic setup TagDistributorModelDevice information

Page 65

60 IM 12D08N05-01EAppendix 7, Control drawing for FM approval

Page 66

CMPL12D08N05-02ECustomerMaintenanceParts List©Copyright 2007, 4thEdition:Oct,2011(YK)Subjecttochangewithoutnotice.Model SC450G [Style: S2]Con

Page 67

IM 12D08N05-01Ev6. CALIBRATION ...366-1.Gener

Page 68

CMPL12D08N05-02E24thEdition:Oct.2011(YK)2345311078963Pipe/Wall Mounting Hardware (Option code: /U)Awning Hood (Option code: /H5)Panel Mounting H

Page 69 - Parts List

Revision RecordManual Title : Model SC450G [Style: S2] Conductivity/Resistivity Converter Manual Number : IM 12D08N05-01E Edition Date Remark (s)1

Page 71 - Revision Record

1IM 12D08N05-01E1 INTRODUCTION AND GENERAL DESCRIPTIONThe Yokogawa EXAxt SC450G is a converter designed for industrial process monitoring, mea-sureme

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