type 8202 - kele gas_specialty_sensors/pdfs/ds8202... · 2011. 11. 14. · documentation datasheets...

Operating InstructionsBedienungsanleitung Manuel utilisateur

Type 8202

pH or redox transmitter

pH- oder Redox-Transmitter

Transmetteur de pH ou de potentiel d‘oxydo-réduction

We reserve the right to make technical changes without notice.Technische Änderungen vorbehalten.Sous réserve de modifications techniques.

© 2008 Bürkert SAS

Operating Instructions july2008/0_EU-ML_560329

pH or redox transmitter Type 8202

Contents:

About this mAnuAl1. .................................................................................6

symbols used1.1. ..........................................................................................6

intended use2. ................................................................................................7

Restraints2.1. ...................................................................................................7

Foreseeable misuse2.2. .............................................................................7

bAsic sAFety inFoRmAtion3. ...............................................................8

GeneRAl inFoRmAtion4. ...........................................................................9

contents of the delivery4.1. .....................................................................9

Warranty conditions4.2. ..............................................................................9

information on the internet4.3. ............................................................ 10

descRiption5. ................................................................................................10

Area of application5.1. ............................................................................. 10

General description5.2. ........................................................................... 10

Design5.2.1. .............................................................................10

pHorRedoxsensor5.2.2. .....................................................11

description of the label5.3. ................................................................... 12

Versions available5.4. ............................................................................... 12

technicAl dAtA6. ........................................................................................13

conditions of use6.1. ................................................................................ 13

conformity to standards and directives6.2. .................................. 13

General technical data6.3. ..................................................................... 14

Mechanicaldata6.3.1. ............................................................14

Generaldata6.3.2. ..................................................................16

Electricaldata6.3.3. ................................................................17

Electricalconnections6.3.4. .................................................17

pH/Redoxsensor6.3.5. .......................................................18

Assembly7. .......................................................................................................21

safety instructions7.1. .............................................................................. 21

unscrew the cover7.2. ............................................................................. 22

Fitting the cover7.3. ...................................................................................22

Fitting the display module7.4. .............................................................. 23

Removing the display module7.5. ..................................................... 23

Fitting the sensor into the armature (without fluid)7.6. ......... 24

Fitting the electronic module to the armature7.7. .................... 24

3

Type 8202

english

instAllAtion And WiRinG8. ................................................................. 25


installation onto the pipe8.2. ................................................................ 26

electrical wiring8.3. ....................................................................................27

Assemblingthemaleorfemaleconnector8.3.1. (accessories:seeChap.12)........................................ 27

WiringaversionwithoneM12fixedconnector8.3.2. ...28

WiringaversionwithtwoM12fixedconnectors8.3.3. .30

commissioninG9. ........................................................................................33


Adjustment And Functions10. ....................................................................................................................................................................34

safety instructions10.1. ........................................................................... 34

Functions10.2. ...............................................................................................34

using the browse button10.3. .............................................................. 36

description of the display10.4. ............................................................ 38

Descriptionoftheiconsandleds10.4.1. .............................38

Whenswitchingonthedevice10.4.2. ..................................39

Whenbrowsinginthemenus10.4.3. ....................................39

Read mode and access to the menus mode10.5. ..................... 40

Functions available per menu10.6. .................................................... 41

parameters menu ("param")10.7. ....................................................... 42

Setthedataparametersindependentlyofthe10.7.1. measurements("System"menu)...............................42

Setthedisplayparameters("Display"menu)10.7.2. ........43

Outputconnectionmode10.7.3. (menu"Outputs"-Function"HWMode")...............44

Settheparametersforthecurrentoutputs10.7.4. (menu"Outputs"-Functions"AC1"and"AC2")..45

Settheparametersforthetransistoroutputs10.7.5. (menu"Outputs"-functions"TR1"and"TR2")....47

Setthesensorparameters("Sensor"menu)10.7.6. .........49

calibration menu ("calib")10.8. ........................................................... 50

Activate/deactivatetheHoldfunctionandmodify10.8.1. theaccesscodetotheCalibrationmenu ("System"menu)...........................................................50

Adjustthecurrentoutputs("Outputs"menu)10.8.2. ........51

Calibratethesensor10.8.3. (menuSensor-function"Probe")............................51

Inputanoffsetforthetemperaturemeasurement10.8.4. (menu"Sensor"-function"Temperature")............56

diagnostic menu ("diagnostic")10.9. ................................................ 56

ModifytheDiagnosticmenuaccesscode10.9.1. ("System"menu)...........................................................56

Monitorthesensor(menu"Sensor"-Functions10.9.2. "Glasselectrode"and"Refelectrode")...................57

4

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Type 8202

Monitorthefluidtemperature10.9.3. (menu"Sensor"-Function"Temperature")............59

test menu ("test")10.10. ....................................................................... 61

ModifytheTestmenuaccesscode10.10.1. ("System"menu)...........................................................61

Checkthattheoutputsareworkingcorrectly10.10.2. ("Outputs"menu)..........................................................61

Checkthattheoutputsarebehavingcorrectly10.10.3. ("Sensor"menu)...........................................................62

information menu ("info")10.11. ........................................................ 62

mAintenAnce And tRoubleshootinG11. ................................ 63

safety instructions11.1. ........................................................................... 63

cleaning of the transmitter11.2. ......................................................... 63

MaintenanceofthepH/redoxsensor11.2.1. ......................63

Replacing the sensor11.3. ...................................................................... 65

if you encounter problems11.4. .......................................................... 66

spARe pARts And AccessoRies12. ............................................... 72

pAckAGinG, tRAnspoRt13. ................................................................... 73

stoRAGe14. .......................................................................................................73

disposAl oF the pRoduct15. ........................................................... 74

5

english

Type 8202

AbouT This mAnuAl1. Thismanualdescribestheentirelifecycleofthedevice.Pleasekeepthismanualinasafeplace,accessibletoallusersandanynewown-ers.

this manual contains important safety information.

Failure to complywith these instructions can lead to hazardoussituations.Thismanualmustbereadandunderstood.•

symbols used1.1.

danger

Warns you against an imminent danger.Failuretoobservethiswarningcanresultindeathorinserious•injury.

Warning

Warns you against a potentially dangerous situation.Failuretoobservethiswarningcanresultinseriousinjuryoreven•death.

CauTion

Warns you against a possible risk.Failuretoobservethiswarningcanresultinsubstantialorminor•injuries.

noTe

Warns you against material damage.Failuretoobservethiswarningcanresultindamagetothedevice•orsystem.

indicatesadditionalinformation,adviceorimportantrecom-mendationsforyoursafetyandforthecorrectoperationofthedevice.

referstoinformationcontainedinthismanualorinotherdocuments.

indicatesaproceduretobecarriedout.→

6

Aboutthismanual

english

Type 8202

inTended use2.

use of the ph/Redox transmitter that does not comply with the instructions could present risks to people, nearby installations and the environment.The8202transmitterisintendedsolelyforthemeasurementof:•

thepHincleanliquidsorliquidscontainingsolids,sulphides-orproteins.

ortheoxidationreductionpotentialincleanliquidsorliquids-containingsolids,sulphidesorproteinswhichmaypresentlowconductivity.

Thisdevicemustbeprotectedagainstelectromagneticinterfer-•ence,ultravioletraysand,wheninstalledoutdoors,theeffectsoftheclimaticconditions.Thisdevicemustbeusedincompliancewiththecharacteristics•andcommissioninganduseconditionsspecifiedinthecontractualdocumentsandintheusermanual.Requirementsforsafeandproperoperationarepropertransport,•storageandinstallationaswellascarefuloperationandmainte-nance.Onlyusethedeviceasintended.•

Restraints2.1.

Observeanyexistingrestraintswhenthedeviceisexported.

Foreseeable misuse2.2.

The8202 transmittermustnotbeused inapotentiallyexplosive•atmosphere.

Donotusefluidthatisincompatiblewiththematerialsofwhichthe•transmitterismade.

Donotsubjectthedevicetomechanicalloads(e.g.byplacingobjects•ontopofitorbyusingitasastep).

Donotmakeanyexternalmodificationstothedevice.Donotpaint•orvarnishanypartofthedevice.

7

Intendeduse

english

Type 8202

bAsic sAFeTy inFoRmATion3. Thissafetyinformationdoesnottakeintoaccount:

anycontingenciesoroccurencesthatmayariseduringassembly,•useandmaintenanceofthedevices.

thelocalsafetyregulationsthattheoperatormustensurethestaff•inchargeofassemblyobserve.

danger due to high pressureCutoffthepressureanddepressurizethepipesbeforeloosening•thepipesandfittings.

danger due to electrical voltageBeforestartingwork,makesure thatyouswitchoff thesupply•voltageandsecureittopreventrestarting.Observeallapplicableaccidentprotectionandsafetyguidelines•forelectricalequipment.

danger due to high temperatures of the fluidUsesafetyglovestohandlethedevice.•Stopthecirculationoffluidandpurgethepipebeforeloosening•thepipesandconnections.Keepalleasilyflammablefabricsandfluidsawayfromthedevice.•Donotinsulatethedevice.

danger due to the nature of the fluid.Respect theprevailing ruleson accidentprevention and safety•relatingtotheuseofaggressivefluids.

Various dangerous situations

Toavoidinjurytakecareto:preventanypowersupplyswitchon.•carryouttheinstallationandmaintenanceworkbyqualifiedand•skilledstaffwiththeappropriatetools.guaranteeasetorcontrolled restartingof theprocess,aftera•powersupplyinterruption.usethedeviceonlyifinperfectworkingorderandincompliance•withtheinstructionsprovidedintheusermanual.observethegeneraltechnicalrulesduringtheplanninganduse•ofthedevice.

noTe

chemical compatibility of materials in contact with the fluid.Systematicallycheckthechemicalcompatibilityofthecomponent•materialsofthetransmitterandtheproductslikelytocomeintocontactwithit(forexample:alcohols,strongorconcentratedac-ids,aldehydes,alkalinecompounds,esters,aliphaticcompounds,ketones,halogenatedaromaticsorhydrocarbons,oxidantsandchlorinatedagents).

8

Basicsafetyinformation

english

Type 8202

noTe

elements / components sensitive to electrostatic dischargesThisdevicecontainselectroniccomponentssensitivetoelectro-•staticdischarges.Theycangetdamagediftheyaretouchedbyanelectrostaticallychargedpersonorobject.Intheworstcasescenario,thesecomponentsareinstantlydestroyedorgooutoforderassoonastheyareactivated.Tominimiseorevenavoidalldamageduetoanelectrostaticdis-•charge,takealltheprecautionsdescribedintheEN100015-1norm.Alsoensurethatyoudonottouchanyoftheliveelectricalcom-•ponents.

Thetransmittertype8202wasdevelopedwithdueconsid-erationgiventoacceptedsafetyrulesandisstate-of-the-art.However,risksmayarise.

Failure toobserve these instructionsaswellasanyunauthorisedworkonthedeviceexcludesusfromanyliabilityandalsonullifiesthewarrantywhichcoversthedeviceanditsaccessories.

GeneRAl inFoRmATion4.

contents of the delivery4.1.

Whenyoureceivethemerchandise,makesurethatthecontentsofthedeliveryhavenotbeendamagedinanywayandensurethattheycorrespondexactlywiththedeliverynoteorpackinglist.

Ifthisisnotthecase,contactusimmediately.

Theaddressesofourinternationalbranchescanbefoundonthelastpagesofthismanual.

Alsoontheinternet,at:

www.burkert.com Bürkert Company Locations

Warranty conditions4.2.

Thisdocumentdoesnotcontainanywarrantyconditions.Tofindoutthisinformation,pleaserefertoourgeneralsalesterms.Thecondi-tiontobenefitfromthewarrantyistheconforminguseofthe8202inobservanceofthespecifiedconditionsofoperating.

Thewarrantyonlyextendstodefectsinthetransmittertype8202anditscomponents.

Weacceptnoliabilityforanykindofconsequentialdamagewhichmayoccurduetothefailureorthemalfunctioningofthedevice..

9

Generalinformation

english

Type 8202

http://www.buerkert.de/DEU/56.html

information on the internet4.3.

Youcanfindtheusermanualsandtechnicaldatasheetsregardingthetype8202at:

www.burkert.com Documentation DatasheetsorManuals/Ap-provals Type8202

Thecompletemanualcanbeorderedundercode:560329

descRipTion5.

Area of application5.1.

The8202transmitterisintendedsolelyforthemeasurementof:

thepHincleanliquidsorliquidscontainingsolids,sulphidesor•proteins.

ortheoxidationreductionpotentialincleanliquidsorliquids•containingsolids,sulphidesorproteinswhichmaypresentlowconductivity.

Thanksto2fullyprogrammabletransistoroutputs,thetransmittercanbeusedtoswitchasolenoidvalve,activateanalarmand,thanksto1or24-20mAcurrentoutputs,establishoneortwocontrolloops.

General description5.2.

design5.2.1.

The8202transmittercomprises:

amoduleformeasuringphysicalparameters,comprising:•

apHorRedoxsensormeasuringapotentialdifference(PD)in-mV

aPt1000temperaturesensorintegratedinthearmatureofthe-pHorRedoxsensormeasuringaresistance.

10

Description

english

Type 8202

http://www.buerkert.de/DEU/56.html

anacquisition/conversionmoduleforthephysicalparameters•measured:

PDacquisitionmeasuredinmV-

conversionofthemeasuredPDintopHunits(foratransmitter-withpHsensoronly)

acquisitionoftheresistancemeasuredandconversioninto-temperature

adisplaymodulewithbrowsebuttonusedtoreadand/orconfig-•uretheparametersofthedevice.Thedisplaymoduleisavailableasanaccessory.

Oneversionofthe8202transmitterwith2transistoroutputsanda4-20mAoutletoperatesona2-wiresystemandrequiresapowersupplyof14-36VDC.Forsuchaversion,electricalconnectionisdoneviaanM12,5-point,malefixedconnector.

Oneversionofthe8202transmitterwith2transistoroutputsand24-20mAoutletsoperatesona3-wiresystemandrequiresapowersupplyof12-36VDC.Forsuchaversion,electricalconnec-tionisdoneviaanM12,5-point,malefixedconnectorandanM12,5-point,femalefixedconnector.

ph or Redox sensor5.2.2.

The8202transmittercanbefittedwithastandardsensor120mmlong,measuringthepHortheoxidationreductionpotential.

Itisscrewedintoanarmaturewiththebuilt-inPt1000temperaturesensor.

ThepHorRedoxsensorisaglassmembranewithvariableselectiv-ityaccordingtothepHortheRedox:

WhenthepHsensorisimmersedinasolution,adifferenceinpo-•tentialisformed,duetothehydrogenions(H+),betweentheglassmembraneandthesolution.Thisdifferenceinpotential,measuredinrelationtoareferenceelectrode,isdirectlyproportionaltothepHvalue(59.16mVperpHunitat25°C).

WhenaRedoxsensorisimmersedinasolution,anexchangeof•electronsoccursbetweentheoxidisedformandthereducedformofanelectrolyte.Theresultingvoltageistheoxidationreductionpotential.

11

Description

english

Type 8202

description of the label5.3.

Fig. 5.1 Label on the 8202 transmitter

Typeoftransmitterandparametermeasured1.Electricalpowersupply2.Outputspecifications3.Sensorspecifications4.Temperaturerangeofthefluid,withoutsensor5.Nominalpressureofthefluid,withoutsensor6.AllocationofthepinsontheM12fixedconnectors7.Manufacturercode8.Orderreference9.Serialnumber10.Protectionrating11.

Versions available5.4.

Thefollowingversionsofthe8202pHtransmitterareavailable.ThesereferencesincludetheelectronicmoduleandthesensorarmatureincludingthePt1000.

ThepH/Redoxsensor,thedisplaymoduleandthefittingforcon-nectiontotheprocessshouldbeorderedseparately.ForthepH/Redoxsensorandthedisplaymodule,seethelistofaccessoriesinChapter12.

sup

ply

volt-

age

out

puts

sen

sor

ele

ctri

cal c

on-

nect

ion

uni

on n

ut

mat

eria

l

ord

er c

ode

14-36VDC 2transistors+1x4-20mA

with-out

M12,5-pinmalefixedconnector

PVC 559630PVDF 559632

12-36VDC 2transistors+2x4-20mA

with-out

M12,5-pinmalefixedconnectorandM12,5-pinfemalefixedcon-nector

PVC 559631PVDF 559633

12

Description

english

Type 8202

Pressure:complyingwitharticle3of§3from97/23/CEdirective.•Acc.tothe97/23/CEpressuredirective,thedevicecanonlybeusedinthefollowingcases(dependingonmax.pressure,pipediameterandfluid):

type of fluid conditionsFluidgroup1,§1.3.a onlyDN25Fluidgroup2,§1.3.a DN ≤ 32

orDN>32andPNxDN ≤ 1000Fluidgroup1,§1.3.b DN ≤ 25

orDN>25andPNxDN ≤ 2000Fluidgroup2,§1.3.b DN ≤ 125

TechnicAl dATA6.

conditions of use6.1.

Ambienttemperature: -10to+60°C(operatingandstoragewithoutthepH/Redoxsensor)

Airhumidity: <85%,noncondensated

Protectionrating: IP67withconnectorspluggedinandtightenedand electronicmodule cover fully screweddown

conformity to standards and 6.2. directives

EMC:EN61000-6-2,EN61000-6-3•

Vibration:EN60068-2-6•

Shock:EN60068-2-27•

13

Technicaldata

english

Type 8202

General technical data6.3.

mechanical data6.3.1.

component materialBox/seals stainlesssteel,PPS/EPDM

Cover/seal PC/EPDM

Displaymodule PC/PBT

M12fixedcon-nector

nickel-platedbrass

Fixedconnectorbase

stainlesssteel1.4404(316L)

Screw stainlesssteel

Tighteningnut PVCorPVDF

Sensorarmature/seal

PVDF,stainlesssteel1.4571(316Ti)/EPDM

pHorRedoxsen-sor

refertothecorrespondingmanual

Materialsincontactwiththefluid:•PVDF,stainlesssteel1.4571(316Ti).Alsorefertothesensorusermanual,particularlyforsensorsotherthanthosemanufac-turedbyBürkert.

PC

EPDM

PPS

EPDM

PPS

PVDF

PVCorPVDF

EPDM

PVDF

Stainlesssteel316Ti

Stainlesssteel

Nickel-platedbrass

pH/Redoxsensor

Fig. 6.1 Materials used in the 8202 transmitter

14

Technicaldata

english

Type 8202

Fig. 6.2 Dimensions of the 8202 transmitter [mm]

A:applicationrangeofa8202withaPVDFnut•

B:applicationrangeofa8202withaPVCnut•

Themeasureshavebeenmadeatanambienttemperatureof60°C

Fig. 6.3 Fluid temperature and pressure dependency (8202, without sensor)

15

Technicaldata

english

Type 8202

General data6.3.2.

Diameterofthepipes DN25toDN125(DN15toDN20dependingonconditions)

Typeoffitting PVCorPVDF;

32equal90°Tee(pipeDN25)•

d-32-dreducing90°Tee(pipe• ≥ 32)

25-32-20-25reducingbushes•(pipeDN15)or32-25reducingbushes(pipeDN20),mountedona32equal90°Teefitting

Unionnutforconnectiontothefitting

G11/2''internalthread

Fluidpressure PN16(seefig.6.3);fluidpressuremaybelimitedbythesensorused:seecorrespondinginstructionmanual

Fluidtemperature dependsonusedsensor(seecorre-spondinginstructionmanualandfig.6.3)

ph measurement

Measurementrange•

Resolution•

Measurementerror•

Recommendedmin.•divergenceofthepHrangecorrespondingtothe4-20mAsignal

-2to16pHor-580to+580mV•

0.001pHor0.1mV•

±0.02pHor0.5mV•

0.5pHunitor30mV•(eg:range6.7to7.2pHor-20mVto+10mVcorrespondstothe4-20mAoutputcurrent)

Redox potential meas-urement

Measurementrange•

Resolution•

Measurementerror•

Recommendedmin.•divergenceoftheredoxrangecorrespondingtothe4-20mAsignal

-2000mVto+2000mV•

1mV•

±3mV•

50mV•(eg:range1550to1600mVcor-respondstothe4-20mAoutputcurrent)

Temperaturesensor Pt1000integratedinthesensorar-mature

temperature measure-ment

Measurementrange•

Resolution•

Measurementerror•

Recommendedmin.di-•vergenceofthetempera-turerangecorrespondingtothe4-20mAsignal

-40°Cto+130°C•

0.1°C•

±1°C•

10°C•(eg:range10to20°Ccorre-spondstothe4-20mAoutputcurrent)

Temperaturecompensation automatic(integratedPt1000)Referencetemperature=25°C

16

Technicaldata

english

Type 8202

Currentoutput

Responsetime(10%•-90%)

versionwith1current•output

versionwith2current•outputs

4-20mA,sinkorsource(dependingonprogramming)

150ms(bydefault)•

max.loopimpedance:1100• Wat36VDC,610 Wat24VDC,180 Wat14VDC

max.loopimpedance:1100• Wat36VDC,610 Wat24VDC,100 Wat12VDC

electrical connections6.3.4.

number of fixed con-nectors

type of cable plug

1M12malefixedcon-nector

femaleM12,5-pin(notsupplied)

1M12malefixedcon-nector+1M12femalefixedconnector

femaleM12,5-pin(notsupplied)+maleM12,5-pin(notsupplied)

Typeofcablerecom-mended

shielded

electrical data6.3.3.

Powersupply

versionwith3outputs•


14-36VDC,filteredandregulated•

12-36VDC,filteredandregulated•Consumption,withchargesontransistors

Powerconsumption(withoutcharge):



≤2A

≤ • 25mA(at14VDC)

≤ • 5mA(at12VDC)

Protectionagainstpolar-ityreversal

yes

Protectionagainstspikevoltages

yes

Protectionagainstshortcircuits

yes,forthetransistoroutputs

Transistoroutput NPN(/sink)orPNP(/source)(depend-ingonprogramming),collectoropen,700mAmax.NPNoutput:0.2-36VDCPNPoutlet:supplyvoltage

17

Technicaldata

english

Type 8202

ph / Redox sensor6.3.5.

Sensor pHorRedoxsensor,combined,120mmlongwithheadPG13.5,withouttemperaturesensor

loGotRode ph

Typeoffluid•

Measurementrange•

Fluidpressure•

Fluidtemperature•

Ambienttemperature•

Minimumconductivity•

Max.pressureatmax.•temperature

Numberandtypeofdia-•phragms

Referenceelectrolyte•

clean•

2to14pH•

0to6bar•

-10to+60°C(seefig.6.3)•

0to+60°C(whenrunning)•+4to+30°C(storage)

2µS/cm•

6bar•

1"singlepore• TM"

polymer•

unitRode plus ph

Typeoffluid•

Measurementrange•

Fluidpressure•

Fluidtemperature•






contaminatedorcontainingsul-•phidesorproteins

0to14pH•

0to6bar•

0to+130°C(seefig.6.3)•


2µS/cm•

6bar•

2"singlepore• TM"

polymer•

18

Technicaldata

english

Type 8202

plAstRode ph

Typeoffluid•

Measurementrange•

Fluidpressure•

Fluidtemperature•






drinking,aquariumorswimming•poolwater

0to14pH•

0to6bar•

-10to+40°C(seefig.6.3)•


2µS/cm•

6bar•

1"singlepore• TM"

polymer•

ceRAtRode ph

Typeoffluid•

Measurementrange•

Fluidpressure•

Fluidtemperature•






athighpressure,ahighflowrate•

0to14pH•

0to16bar•



50µS/cm•

6bar•

3inceramicHP•

gel•

19

Technicaldata

english

Type 8202

loGotRode redox

Typeoffluid•

Measurementrange•

Fluidpressure•

Fluidtemperature•






clean•

-2000to+2000mV•

0to6bar•

-10to+50°C(seefig.6.3)•


2µS/cm•

6bar•

1"singlepore• TM"

polymer•

unitRode plus redox

Typeoffluid•

Measurementrange•

Fluidpressure•

Fluidtemperature•






clean,contaminated,withlow•conductivity,containingsulphidesorproteins

-2000to+2000mV•

0to6bar•



2µS/cm•

6bar•

2"singlepore• TM"

polymer•

20

Technicaldata

english

Type 8202

Warning

Risk of injury due to non-conforming assembly.Thedevicemustonlybeassembledbyqualifiedandskilledstaff•withtheappropriatetools.

Risk of injury due to unintentional switch on of power supply or uncontrolled restarting of the installation.Take appropriatemeasures to avoid unintentional activation of•theinstallation.Guaranteeasetorcontrolledrestartingoftheprocesssubsequent•totheassemblyofthedevice.

Assembly7.

safety instructions7.1.

danger

Risk of injury due to high pressure in the installation.Cutoffthepressureanddepressurizethepipesbeforeloosening•thepipesandfittings.

Risk of injury due to electrical discharge.Beforestartingwork,switchoffthepowersupplyandsecureit•topreventrestarting.Observeallapplicableaccidentprotectionandsafetyguidelines•forelectricalequipment.

Risk of injury due to the nature of the fluid.Respect theprevailing ruleson accidentprevention and safety•relatingtotheuseofaggressivefluids.

21

Assembly

english

Type 8202

unscrew the cover7.2.

noTe

the tightness of the transmitter is not guaranteed when the cover is removed.Takeanyprecautionsnecessarytopreventtheprojectionoffluid•insidethebox.

the transmitter may be damaged if a metal component comes into contact with the electronics.Takeanyprecautionsnecessarytopreventcontactoftheelectron-•icswithametalcomponent(screwdriver,forexample).

Tounscrewthecover,→useyourhandoratoolwhichcanbeusedasalever,takingcarenottoscratchtheglass

Turnthecoveruntilfully→unscrewed

Fig. 7.1 Unscrewing the cover

Fitting the cover7.3.

Check that there is a seal→on the cover and that it isnot damaged. Replace it ifnecessary.

Greasethesealifnecessary,→usingacomponentcompat-ible with thematerial fromwhichitismade.

Fullytightenbyhandtoguar-→anteetightness.

Fig. 7.2 Fitting the cover

22

Assembly

english

Type 8202

Fitting the display module7.4.

Unscrewthecover(see→§7.2).

Setthedisplaymodule→atanangleofca.20°inrelation to the desiredposition.

Themodulecanbefit-→ted in4differentposi-tions,at90°intervals.

Fullypushinthemodule→and,usingthepalmofyour hand, turn to therighttolockit.

Fig. 7.3 Fitting the display module

Removing the display module7.5.

Unscrewthecoverifneces-→sary(see§7.2).

Placethepalmofyourhand→flatonthemoduleandturnbyca.20°totheleft.Onceunlocked, the module israisedslightlybythespringaction.

Remove themodule from→itshousing.

Fig. 7.4 Removing the display module

23

Assembly

english

Type 8202

Fitting the sensor into the 7.6. armature (without fluid)

SensorheadCompressionwasher

Sealring

CheckthatdimensionHon→the sensor is between34and 46mm. If necessary,adjust the height of thecompressionwasher.

Remove the protective→plug

At first use, apply water→orsoapywateron the"A"gasket.

Insert the tightness seal→suppliedintothegrooveonthearmature.

Insertthesensorfittedwith→its seal into the armaturefromabove.Tightenthesensorheadus-→ingasuitablewrench.

Fig. 7.5 Fitting the sensor into the armature (without fluid)

Fitting the electronic module to 7.7. the armature

Check that the sensor is→fitted into the armature(see§7.6).

Checkthatseal"A"onthe→armatureisingoodcondi-tion. Replace it if neces-sary(seeChap.12,SpareParts)

Inserttheelectronicmodule→into the armature,makingsurethepolarisingslotsarecorrectlypositioned.

Apply slight vertical pres-→sure to engage the tight-nessseal.

Fastentheelectronicmod-→ule and the armature to-gether by tightening thenut. Tighten the nutG2''byhandonly,until itstopsturning, to ensure goodelectricalcontact.

Fig. 7.6 Fitting the electronic module to the armature

24

Assembly

english

Type 8202

insTAllATion And WiRinG8.


danger




Warning

Risk of injury due to non-conforming installation.Theelectricalandfluidinstallationcanonlybecarriedoutbyquali-•fiedandskilledstaffwiththeappropriatetools.Install appropriate safety devices (correctly rated fuse and/or•circuit-breaker).Respecttheassemblyinstructionsforthefittingused.•

Risk of injury due to unintentional switch on of power supply or uncontrolled restarting of the installation.Take appropriatemeasures to avoid unintentional activation of•theinstallation.Guaranteeasetorcontrolledrestartingoftheprocesssubsequent•totheassemblyofthedevice.

25

Installationandwiring

english

Type 8202

installation onto the pipe8.2.

danger



The8202transmitterisinsertedintoafittingfittedtothepipe.

Selectanappropriatepositiononthepiping→

Fig. 8.1 Assembly positions in the piping

Fitthefittingatanangleof±75°max.tothevertical→

Fig. 8.2 Angle to the vertical

Fitthedisplaymodule(see§7.4)tobeabletocalibrateand→programmethetransmitter

Fitthetransmitter(see§7.6and7.7)→Calibratethetransmitter(see10.8.3)→

Thesensormustalwaysbeimmersedinthefluidtopreventitdryingout.

Fitthetransmitterintothefitting,asshowninfigure8.3:→

26


english

Type 8202

Checkthatseal"A"is→presentonthefittingandthatitisnotdamaged.Re-placethesealnecessary.

Carefullyinsertthecomplete→transmitterintothefitting.

Adjustthetransmittertothe→desiredposition.

Tightentheholdingnuton→thefitting.

Fig. 8.3 Installation into a fitting

electrical wiring8.3.

danger


use a high quality electrical power supply (filtered and regulated).

Assembling the male or female 8.3.1. connector (accessories: see chap. 12)

Completelyunscrewthe→nut[1]

Removetherearsectionof→theconnector[2].

Maketheconnections→(see8.3.2or8.3.3)

Fig. 8.4 M12 multi-pin connector (not supplied)

27


english

Type 8202

Wiring a version with one m12 8.3.2. fixed connector

V+(14-36VDC)

Transistoroutput1

Transistoroutput2

0V

Fig. 8.5 Wiring of the male fixed connector on a version with 1 M12 fixed connector

pin for the m12 female cable available as op-tional equipment (order ref. 438680)

colour of the conductor

1 brown2 white3 blue

4 black5 grey

Charge1(solenoidvalve,forexample)


Powersupply

white

blue

blackbrown

grey

Fig. 8.6 Connection of the 2 transistor outputs, in NPN mode (software pro-gramming "NPN/sink", see § 10.7.3), on a version with 1 fixed connector



Powersupply

white

blue

blackbrown

grey

Fig. 8.7 Connection of the 2 transistor outputs, in PNP mode (software pro-gramming "PNP/sink", see § 10.7.3), on a version with 1 fixed connector

28


english

Type 8202

powersupply

4-20mAinput

brown

blue

grey

Fig. 8.8 Connection of the current output, in sink mode (software program-ming "NPN/sink", see § 10.7.3), on a version with 1 fixed connector

powersupply

4-20mAinput

brownblue

grey

Fig. 8.9 Connection of the current output, in source mode (software pro-gramming "PNP/source", see § 10.7.3), on a version with 1 fixed connector

Charge2

Charge1 4-20mAinput

brown

greyblue

white

black

powersupply

Fig. 8.10 Connection of the 2 transistor outputs and the current output, in NPN/sink mode (software programming "NPN/sink", see § 10.7.3), on a version with 1 fixed connector

Charge2

Charge1 4-20mAinput

brown

grey

bluewhite

black

powersupply

Fig. 8.11 Connection of the 2 transistor outputs and the current output, in PNP/source mode (software programming "PNP/source", see § 10.7.3), on a version with 1 fixed connector

29


english

Type 8202

Wiring a version with two m12 fixed 8.3.3. connectors

Transistoroutput1

Currentoutput1

0V V+(12-36VDC)

male fixed connector

V+(12-36VDC)

Transistoroutput2

Currentoutput2

0V

Female fixed connectorFig. 8.12 Wiring on the M12 male fixed connector and the M12 female fixed connector

pin for the m12 female cable available as op-tional equipment (order ref. 438680)


1 brown2 white3 blue4 black5 grey

pin for the m12 male cable available as op-tional equipment (order ref. 559177)


1 brown2 white3 blue4 black5 grey



Powersupply

white

blue

brown

grey

white

brown

Fig. 8.13 Connection of the 2 transistor outputs, in NPN mode, on a version with 2 fixed connectors (software programming "NPN/sink", see § 10.7.3)



Powersupply

white

blue

brown

grey

white

blue

Fig. 8.14 Connection of the 2 transistor outputs, in PNP mode, on a version with 2 fixed connectors (software programming "PNP/source", see § 10.7.3)

30


english

Type 8202

Powersupply

4-20mA1stinput

brown

blue

grey

4-20mA2ndinput

black

brown

black

Fig. 8.15 Connection of the 2 current outputs, in sink mode, on a version with 2 fixed connectors (software programming "NPN/sink", see § 10.7.3)

Powersupply

4-20mA1stinput

brown

blue

grey

4-20mA2ndinput

black

blue

black

Fig. 8.16 Connection of the 2 current outputs, in source mode, on a version with 2 fixed connectors (software programming "PNP/source", see § 10.7.3)

Charge1

4-20mA1stinput

brown

grey

blue

white

black

Powersupply

4-20mA2ndinput

Charge2

brown

black

white

Fig. 8.17 Connection of the 2 transistor outputs and the 2 current outputs, in NPN/sink mode, on a version with 2 fixed connectors (software program-ming "NPN/sink", see § 10.7.3)

31


english

Type 8202

Charge1

4-20mA1stinput

brown

grey

blue

white

black

powersupply

4-20mA2ndinput

Charge2

blue

black

white

Fig. 8.18 Connection of the 2 transistor outputs and the 2 current outputs, in PNP/source mode, on a version with 2 fixed connectors (software program-ming "PNP/source", see § 10.7.3)

32


english

Type 8202

commissioninG9.


Warning

danger due to non-conforming commissioning.

Non-conformingcommissioningcouldleadtoinjuriesanddamagethedeviceanditssurroundings.Beforecommissioning,makesure that thestaff inchargehave•readandfullyunderstoodthecontentsofthemanual.Inparticular,observethesafetyrecommendationsandintended•use.Thedevice/installationmust only be commissionedby suitably•trainedstaff.Protectthisdeviceagainstelectromagneticinterference,ultravio-•letraysand,wheninstalledoutdoors,theeffectsoftheclimaticconditions.

33

Commissioning

english

Type 8202

AdjusTmenT And FuncTions10.


Warning

Risk of injury due to non-conforming adjustment.

Non-conformingadjustmentcouldleadtoinjuriesanddamagethedeviceanditssurroundings.Theoperatorsinchargeofadjustmentmusthavereadandunder-•stoodthecontentsofthismanualInparticular,observethesafetyrecommendationsandintended•use.Thedevice/installationmustonlybeadjustedbysuitablytrained•staff.

Functions10.2.

Thedevicehas2modesofuse:

Read mode

Thismodeisusedtoread:

themeasuredvaluesof2physicalparametersselectedinthe•Parametersmenu

thecurrentvaluesemittedonthe4-20mAoutputs•

menus mode

Thismodecomprises5menus:

the parameters menu (§ 10.7) to:•

settheparametersforthetransmitterdata,independentofthe-measurements(date,time,Parametersmenuaccesscode...)

restorethedefaultdataoftheReadmodeandtheoutputs-

programmetheinformationtobedisplayedinReadmode,-independentlyoftheparametersprogrammedforthecurrentandtransistoroutputs

definethedisplaycontrastand,onaversionwith2fixedcon--nectorsonly,thebrightnessofthebacklighting

settheparametersforeachcurrentandtransistoroutput,inde--pendentlyofeachotherandindependentlyoftheparametersselectedfortheReadmode

definethebehaviourofeach4-20mAoutputintheeventof-diagnosticerror

definetheelectricalconnectionmodefortheoutputs(sink/-NPNorsource/PNP)

definethemeasurementparametersforthepHoroxidation-reductionpotentialsensor

the calibration menu (§ 10.8) to:•

activatetheHoldmode-

programmetheCalibrationmenuaccesscode-

adjusteach4-20mAoutput-

calibratethesensor-

inputanoffsettomeasurethetemperature-

34

Adjustmentandfunctions

english

Type 8202

the diagnostic menu (§ 10.9) to:•

programmetheDiagnosticmenuaccesscode-

configurethedevice'sbehaviourifproblemsaredetectedon-thepH/redoxsensorelectrodes

activateordeactivatetheuseof"error"and"warning"messag--esforthepH/redoxsensorifthedefinedimpedancethresholdsareexceeded

configurethe2impedancerangesoutsideofwhich"error"and-"warning"messagesareused

readthemeasuredvaluesoftheimpedancesonthepH/redox-sensor

activateordeactivatetheuseof"error"and"warning"mes--sagesifthedefinedfluidtemperaturethresholdsareexceeded

configurethe2temperaturerangesoutsideofwhich"error"-and"warning"messagesareused

readthemeasuredvalueofthefluidtemperature-

the test menu (§ 10.10) to:•

programmetheTestmenuaccesscode-

checkthattheoutputsareworkingandbehavingcorrectly-

the information menu (§ 10.11) to:•

readthemeaningofcertainicons,whentheyaredisplayed-

readthesoftwareversionoftheacquisition/conversionmod--uleforthephysicalparameters

35


english

Type 8202

using the browse button10.3.

Symbolisedby

inthismanual

Symbolisedby

inthismanual

Symbolisedby inthismanual

Symbolisedbyinthismanual

Symbolised

by inthisma-nual

Fig. 10.1 Using the browse button

you want to... press...

...browseinReadmode

Nextscreen:•

Previousscreen:•...accesstheProgramming•mode

...displaytheParameters•menu

foratleast2sec.fromany

screeninReadmode

...browseintheProgrammingmodemenus Nextmenu:•

Previousmenu:•...selectthemenudisplayed

...browseinthemenufunctions

Nextfunction:•

Previousfunction:•...selectthehighlightedfunction

36


english

Type 8202

you want to... press...

...browseinthedynamicfunc-tionsbar(MEAS,BACK,ABORT,OK,YES,NO)

Nextfunction:•

Previousfunction:•...confirmthehighlighteddy-namicfunction

...modifyanumericalvalueincrementthefigurese--lected

-decrementthefigurese--lected -selectthepreviousfigure-

-selectthenextfigure-

-allocatethe"+"or"-"sign-tothenumericalvalue - totheextremeleft

ofthenumericalvaluethen

untilthedesiredsignisdisplayed

movethedecimalpoint-- totheextremerightofthenumericalvaluethen

untilthedecimalpointisinthedesiredplace

37


english

Type 8202

description of the display10.4.

description of the icons and leds10.4.1.

OPEN LOCK

mV_pH1423 mV

tempc55 °cERR

Redled:indi-catesanerror;see§11.14

Notused

Yellowled:indicatesthattran-sistor1hasbeenswitched

Yellowled:indicatesthattran-sistor2hasbeenswitched

Fig. 10.2 Position of the icons and description of the leds

Theledsofthedisplaymoduleareduplicatedontheelec-tronicboardthatislocatedunderthedisplaymodule:theseledsbecomevisiblewhenthetransmitterisnotequippedwiththedisplaymodule.

icon meaning and alternatives

Sensoringoodorderandfluidtemperaturewithinthepro-grammedrange.

Ifthemonitoringoftheimpedanceontheelectrodesand/orthefluidtemperaturehasbeenactivated,thealternativesinthispositionare:

• ,associatedwith :see§10.9.2,10.9.3and11.4

• ,associatedwith ERR :see§10.9.2,10.9.3and11.4Devicecurrentlymeasuring.

Thealternativesinthispositionare:

HOLD!

• flashing:HOLDmodeactivated(see§10.8.1)

T• :runningcheckthattheoutputsareworkingandbe-havingcorrectly(see§10.10.2and10.10.3)

"Maintenance"event;see§10.8.3and11.4

"Warning"event;see§10.8.3,10.9.2,10.9.3and11.4

ERR "Error"event;see§10.9.2,10.9.3and11.4

38


english

Type 8202

When switching on the device10.4.2.

Whenthedeviceisswitchedon,thedisplayindicatesthesoftwareversionofthedisplay.

ThedisplaythenshowsthefirstscreeninREADmode:

OPEN LOCK

mV_ph1423 mV

tempc55 °c

Fig. 10.3 Display when the device is switched on

Seeparagraph10.7.2tochoosethedatadisplayedinReadmode

When browsing in the menus10.4.3.

Fonction2:Fonction3:Fonction4:MEAS

System

BACK OK

This iswhen thedevice is be-ing parame-tered................................

Thearrowindicatesthepresenceofthepreviousfunc-tions,accessible

via

Thearrowindicatesthepresenceofthenextfunctions,accessiblevia

Thisiconidentifiesthemenuinwhichyouwillfindit.

Titleofthemenu,thesub-menuorthefunctionwhichyouarecurrentlybrowsing.

Dynamicfunctions(accessible

via and ):

MEAS:togobacktotheREADmode•

BACK:togobacktotheparentmenu•

ABORT(appearsinplaceof"BACK"):togo•backtotheparentmenuwithoutvalidatingtheinput

OK:tovalidatethevalueorinputselected•andreturnautomaticallytotheparentmenu

YESandNO:toanswerthequestionasked•

39


english

Type 8202

Read mode and access to the menus mode10.5.



param >2s

Readmode

mV_ph1243 mV

tempc55 °c

mV_ph1243 mV

tempc55 °c

18.3 mA

Ac118.3 mA

Ac27.5 mA

Ac1

7.5 mAAc2

calib


infoThis iswhen thedevice is be-ing parame-tered................................

diagnostic

See§10.6fordetailsofthefunctionspermenu→

Menusmode

A

A

B

B

test

40


english

Type 8202

Functions available per menu10.6.




param

calib

test


SystemDisplayOutputsMEAS BACK

Param

SystemOutputsSensorMEAS BACK

Calibration


TestSystem menu: see § 10.7.1

Display menu: see § 10.7.2

Outputs menu: see § 10.7.3, 10.7.4 and 10.7.5

Sensor menu: see § 10.7.6

Code"Param"correct

Codeincorrect1)

diagnostic

SystemSensor

MEAS BACK

Diagnostic

System menu: See § 10.8.1

Outputs menu: see § 10.8.2

Sensor menu: see § 10.8.3 and 10.8.4

System menu: see § 10.10.1

Outputs menu: see § 10.10.2

Sensor menu: see § 10.10.3

System menu: see § 10.9.1

Sensor menu: see § 10.9.2 and 10.9.3


SensorMEAS BACK

ParamDisplayOutputs


Code"Diagnostic"

correct

Code"Calib"correct

Code"Test"correct

info

ErrorWarningMaintenanceMEAS BACK

Info

Error, Warning, Maintenance, Smiley and Software menus: see § 10.11

SoftwareMEAS BACK

InfoMaintenanceSmiley

Codeincorrect1)

Codeincorrect1)

Codeincorrect1)

1)Ifthecodehasbeenlost,usethe"9100"universalcode.

41


english

Type 8202

parameters menu ("param")10.7.

set the data parameters independently of the measurements ("system" menu)10.7.1.

Refertoparagraphs10.5and10.6toaccesstheParammenu.


DateTime

MEAS BACK

System


Code

FactorySetMEAS BACK

System

DATE:Setthedate(inputformat:year/month/dayintheformYYYY/MM/DD)

TIME:Setthetime(inputformat:hours:minutesseconds)

CODE:ModifythePARAMmenuaccesscode(4figures;0000bydefault).

FACTORY SET:RestorethedefaultdataoftheReadmodeandtheoutputs.TimeCode

42


english

Type 8202

set the display parameters ("display" menu)10.7.2.

Warning

Risk of injury due to non-conforming adjustment.Choose the type of sensor (see10.7.6) fitting the transmitter•beforesettingthedisplayparameters.


1)or"Line2"


Line1Line2

MEAS BACK

Display


Contrast

BacklightMEAS BACK

Display


PVar:Unit:Filter:MEAS

Line 1 1)

BACK

set the parameters for the data displayed in Read mode:

PVAR:Choosethephysicalparametertobedisplayedonline1orline2ofthedisplayrespectively.Thepossiblechoicesdependontheselectedsensortype,whetherpHorORP.

UNIT:ChoosetheunitinwhichthephysicalparameterselectedinthePVARfunctionaboveisdisplayed

FILTER:Choosetheattenuationlevelforthemeasurementvariationsofthephysicalparameterdisplayedonline1orline2.Seedetailsnextpage

set the parameters for the reading comfort level of the data displayed:

CONTRAST:Choosethedisplaycontrastlevel(asa%)

BACKLIGHT:Onaversionwith2fixedconnectorsonly,choosethelightintensityofthedisplay(asa%)

Line2Contrast

43


english

Type 8202

Attenuate the measurement variations on the display ("Filter" function in "line1" or "line2" menu)

Threelevelsofattenuationareproposed:"slow","fast"or"none"

"Slow"filtration

"Fast"filtration

"None"filtration

Fig. 10.4 Filtration graphs

output connection mode (menu 10.7.3. "outputs" - Function "hWmode")



HWModeAC1AC2MEAS BACK

Outputs


TR1TR2MEAS BACK

Outputs

Outputs menu, functions AC1 and AC2: see 10.7.4

Outputs menu, functions TR1 and TR2: see 10.7.5

HWMODE:Choosetheconnectionmodeforalloutputs(currentandtransistor)

AC2

Theconnectionmodeisthesameforalloutputs.

Ifyouchoose"sinkNPN",thecurrentoutputsmustbeconnectedinsinkmodeandthetransistoroutputsinNPNmode.

Ifyouchoose"sourcePNP",thecurrentoutputsmustbeconnectedinsourcemodeandthetransistoroutputsinPNPmode.

Seethewiringfortheoutputsinparagraph8.3.

44


english

Type 8202

set the parameters for the current outputs (menu "outputs" - Functions "Ac1" and "Ac2")10.7.4.

Warning

Risk of injury due to non-conforming adjustment.Choose the type of sensor (see10.7.6) fitting the transmitter•beforesettingtheoutputparameters.

Refertoparagraphs10.5and10.6toaccesstheParammenu.The2ndcurrentoutput"AC2"isonlyavailableonaversionwith2fixedcon-nectors.



Outputs


TR1TR2MEAS BACK

Outputs


PVar:4mA:20mA:MEAS BACK

Output.AC11)


Filter:

MEAS BACK

Output.AC11)

PVAR:Chooseaphysicalparameterassociatedwithcurrentoutput1orcurrentoutput2respectively.Thepossiblechoicesdependontheselectedsensortype,whetherpHorORP.

4mA:Choosethevalueofthephysicalparameter(previouslyselected),associatedwithacurrentof4mA,foreachcurrentoutput.See"Currentoutputparameters",nextpage.

20mA:Choosethevalueofthephysicalparameter(previouslyselected),associatedwithacurrentof20mA,foreachcurrentoutput.See"Currentoutputparameters",nextpage.

FILTER:Choosethelevelofattenuationforthecurrentvariationsforeachcurrentout-put.Seenextpageandfig.10.4.

DIAG. MODE:Choosetoemitacurrentof22mAoncurrentoutput1orcurrentoutput2respectivelywhenan"error"eventrelatedtothediagnostic(see§10.9.2and10.9.3)isgeneratedbythetransmitterorleavecurrentoutput1orcurrentoutput2respectivelytooperatenormally(select"none").

Seealso"Ifyouencounterproblems"at§11.4.

Outputs menu - Functions TR1 and TR2: see 10.7.5

Diag.mode:

Outputs menu - "HWMode" function: see 10.7.3

AC2

1)or"Output.AC2"

20mA:

45


english

Type 8202

Attenuate the measurement variations on the current output ("Filter" function in "output.Ac1" or "output.Ac2" menu)

Threelevelsofattenuationareproposed:slow,fastornone

Thebehaviourofthefiltersforthecurrentoutputsisidenticaltothatofthefiltersfordisplay.Refertofigure10.4.

set the parameters of a current output (functions "4mA" and "20mA" in the "outputs" menu)

Functions"4mA"and"20mA"areusedtodefinethemeasurementrangeforthephysicalparameterassociatedwiththecurrentonthe4-20mAoutput.

WeshouldnoteP1respectivelyP2thevaluesassociatedwitha4mAor20mAcurrentrespectively

Physicalparameterchosen

Fig. 10.5 Current 4-20 mA according to the chosen physical parameter

please note:

P1maybegreaterthanP2:ifthisisthecase,thesignalisinvertedandrangeP1-P2correspondstotherangeforthe20-4mAcurrent.

46


english

Type 8202

set the parameters for the transistor outputs (menu "outputs" - functions "TR1" and "TR2")10.7.5.

Warning

Risk of injury due to non-conforming adjustment.Choose the type of sensor (see10.7.6) fitting the transmitter•beforesettingtheoutputparameters.




Outputs


TR1TR2MEAS BACK

Outputs


PVar:Mode:Low:MEAS BACK

Output.TR11)


High:Contact:

MEAS BACK

Output.TR11)

Delay:

PVAR:Chooseaphysicalparameterassociatedwithtransistoroutput1ortransistoroutput2respectivelyorlinkthegenerationofa"warning"event(see§10.8.3,10.9.2and10.9.3)totransistoroutput1ortransistoroutput2re-spectively.Thepossiblechoicesdependontheselectedsensortype,whetherpHorORP.Iftheselectedtransistoroutputislinkedtothe"warning"event,thetransistorswitchesassoonassuchaneventisgeneratedbythetransmitter.Seealso"Ifyouencounterproblems",at§11.4.

MODE 2):Choosetheswitchingmodefortransistoroutput1ortransistoroutput2.Seedetailsnextpage.

LOW 2):Choosethelowswitchingthresholdvaluefortransistoroutput1ortransistoroutput2.Seedetailsnextpage.

HIGH 2):Choosethehighswitchingthresholdvaluefortransistoroutput1ortransistoroutput2.Seedetailsnextpage.

CONTACT:Choosethetypeofcontactonstandby(normallyopen,NO,ornormallyclosed,NC)fortransistoroutput1ortransistoroutput2.Seedetailsnextpage.

DELAY:Choosethevalueofthedelaypriortoswitchingforeachtransistoroutput.Seedetailsnextpage.

Outputs menu - HWMode function: see 10.7.3

Outputs menu - Functions AC1 and AC2: see 10.7.4

AC2

1)or"Output.TR2"

2)Arenotavailableifthegenerationofa"warning"eventhasbeenlinkedtotheselectedtransistoroutput.

47


english

Type 8202

possible switching modes and switching thresholds on a tran-sistor output (functions "mode", "low", "high" and "delay" in the menu "output.tR1" or "output.tR2")

hysteresis mode

Thechangeofstatusisdonewhenathresholdisdetected(increas-ingflowrate:thresholdhigh(functionHigh)tobedetected;de-creasingflowrate:thresholdlow(functionLow)tobedetected).

ON

OFF

contact

Low High

physicalparameter

NOON

OFF

contact

Low High

physicalparameter

NC

Fig. 10.6 Hysteresis mode

Window mode

Thechangeofstatusisdonewheneveroneofthethresholdsisdetected.

ON

OFF

contact

Low High

physicalparameter

NOON

OFF

contact

Low High

physicalparameter

NC

Fig. 10.7 Window mode

NO=Normallyopen;NC=Normallyclosed

the "delay" functionisusedtoprogrammethetimingpriortoswitchingandisvalidforbothoutputthresholds.

Switchingisonlydoneifoneofthethresholds,highorlow(func-tions"High"or"Low"),isexceededforadurationlongerthanthistiming.

48


english

Type 8202

set the sensor parameters 10.7.6. ("sensor" menu)

Warning

Risk of injury due to non-conforming adjustment.Choose the typeof sensormountedon the transmitter before•settingthedisplayandoutputparameters

Themonitoring(see§10.9.2)oftheredox("ORP")sensorisimpossibleifthemeasurementmodeissetto"asymmetri-cal".



Type:Mode:MainsFcy:MEAS BACK

Sensor TYPE:Choosethetypeofsensorused,pHorRedox("ORP"choice).

MODE:Choosethetypeofmeasurement,symmetrical(differential)orasymmetrical.

MAINS FCY:Choosethefrequencyofyourmainselectricity,50or60Hz.Thisfrequen-cyisfilteredbythetransmittertoensurestablemeasurements.

symmetrical or asymmetrical measurement ("mode" function in the "sensor" menu)

symmetrical measurement

Thesymmetricalmeasurementisadifferentialmeasurement:inthistypeofmeasurement,thestainlesssteelringonthesensorarmatureisusedasareference.

(1):Measurementelectrode

(2):Referenceelectrode

(3):Stainlesssteelring

Fig. 10.8 Schematic diagram of symmetrical measurement

Asymmetrical measurement

Intheasymmetricalmeasurement,themeasurementisdoneinrela-tiontothereferenceelectrode.

(1):Measurementelectrode

(2):Referenceelectrode

Fig. 10.9 Schematic diagram of asymmetrical measurement

49


english

Type 8202

calibration menu ("calib")10.8.

Activate/deactivate the hold 10.8.1. function and modify the access code to the calibration menu ("system" menu)

Refertoparagraphs10.5and10.6toaccesstheCalibmenu.

HoldCode

MEAS BACK

System HOLD:ChoosewhethertheHOLDfunc-tionisenabledordisabled.

CODE:ModifytheCalibrationmenuaccesscode(4figures;0000bydefault)

"hold" function in the "system" menu

TheHoldmodesiautomaticallydeactivatedwhenthetrans-mitterrestartsafterapowerinterruption,iftheHoldmodewasactivatedatthemomentofthepowercut-off.

TheHoldmodeisusedtocarryoutmaintenanceworkwithoutinter-ruptingtheprocess.

ToactivatetheHOLDmode:

enterthe"HOLD"function→choose"enabled"→validateby"OK"→

Inpractice,whenthedeviceisinHoldmode:

the• HOLD!

iconisdisplayedinplaceofthe icon

thecurrentemittedoneach4-20mAoutputisfixedatthevalue•ofthelastmeasurementofthephysicalparameterassociatedwitheachoutput

eachtransistoroutputisfixedatthestatusacquiredatthemo-•menttheHoldfunctionisactivated.

thedeviceisinHoldmodeuntiltheHOLDfunctionisdeactivated.•

TodeactivatetheHOLDmode:

enterthe"HOLD"function→choose"disabled"→validateby"OK"→

50


english

Type 8202

Adjust the current outputs ("outputs" menu)10.8.2.

Warning

Risk of injury due to non-conforming adjustment.MakesuretheHoldmodeisdisabled(see10.8.1).•


AC1AC2

MEAS BACK

Outputs

4mA:Adjusttheoffsetoncurrentoutput1orcurrentoutput2.

Whenthe"4mA"functionisselected,thetransmittergeneratesacurrentof4mA:measurethecurrentemittedbythe4-20mAoutputusingamultimeterandinputthevaluegivenbythemultimeterinthefunction"AC1.4mA"or"AC2.4mA".

20mA:Adjustthespanoncurrentoutput1orcurrentoutput2.

Whenthe"20mA"functionisselected,thetransmittergeneratesacurrentof20mA:measurethecurrentemittedbythe4-20mAoutputusingamultimeterandinputthevaluegivenbythemultimeterinthefunction"AC1.20mA"or"AC2.20mA".

4mA20mA

MEAS BACK

AC1 1)

1)or"AC2"

calibrate the sensor (menu sensor - function "probe")10.8.3.

Choosethetypeofsensor(§10.7.6)thetransmitterisfit-tedwithbeforecalibratingthesensor.


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Type 8202

ProbeTemperature

MEAS BACK

Sensor

Calibtemperat.Calibration

MEAS BACK

Probe

ProbeconstantsCalibintervalMEAS BACK

Probe

CALIB TEMPERAT.:Choosethetypeoftemperaturecompensationforthecalibrationprocess:eitherthetemperaturemeasured(select"Auto")orafixedvalue(select"constant"theninputreferencetemperature).

CALIBRATION:CalibratethepHsensorin1or2pointsortheRedoxsensorin1point.Seedetailsfollowingpages.Acalibrationprocessupdatesthelastcalibrationdate("Lastcal.date"functionoftheCALIBINTERVALsub-menuhereafter).

Thiscalibrationcanbereplacedbytheinputinthe"Probeconstants"functionbelow,oftheoffsetand/orspanvaluesindicatedonthesensorcertificate,ifsupplied.Enteringtheprobeconstantsdoesnotupdatethelastcalibrationdate("Lastcal.date"functionoftheCALIBINTERVALsub-menuhereafter).

PROBE CONSTANTS:Inputtheoffsetand/orspanvaluesindicatedonthepH/Redoxsensorcertificate,ifsupplied.Thisinputreplacesacalibrationmadebythe"Calibration"functionabovebutdoesnotupdatethelastcalibrationdate("Lastcal.date"functionoftheCALIBINTERVALsub-menuhereafter).

CALIB INTERVAL:Readthedateofthelastcalibration(function"Lastcal.date")andprogrammetheperiodicityofcalibrations,indays(function"Interval"):thetransmittergen-

eratesa"maintenance"eventbydisplayingthe iconanda"warning"event,eachtimeacalibrationisdue.Setfunction"Interval"to"0000days"toignorethefunction.

The"warning"eventmaybeassociatedwithoneorother•orbothtransistoroutputs(see§10.7.5).

Seealso"Ifyouencounterproblems"at§11.4.•

Probeconstants

Calibration

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Type 8202

calibrate the ph / Redox sensor ("calibration" function in the "probe" menu)

ThepHsensorcanbecalibratedaccordingtoa1-pointora•2-pointprocedure.

TheRedoxsensorcanbecalibratedaccordingtoa1-pointproce-•dure.

Inordernottointerrupttheprocess,activatetheHOLD•function(see§10.8.1).

Beforeeachcalibration,correctlycleantheelectrodewith•asuitableproduct.

Ina2-pointcalibration,thebuffersolutionsusedmustbe•atthesametemperature.

Programmetheperiodicityofcalibrationsinthe"Interval"•functioninthesub-menu"Calibinterval"(seepreviouspage):eachtimeacalibrationisdue,thetransmittergen-eratesa"maintenance"eventanda"warning"event.

1-point calibration

The1-pointcalibrationprocedureisusedforrapidcalibrationbyadjustingtheoffsetofthemeasurementgraphwithabuffersolutionwithaknownpH(tocalibrateapHsensor:seep.55)oraknownoxidationreductionpotential(tocalibrateaRedoxsensor:seep.54).

2-point calibration

The2-pointcalibrationprocedureforapHsensorisusedfortheprecisecalibrationoftheoffsetandthegradient("span")ofthesen-sormeasurementgraph.

Thisoperationrequires2buffersolutions:ingeneralafirstsolutionwithapHof7andasecondsolutionwithapHveryclosetothatoftheprocessvaluetobemeasured.Seep.55.

errors in ph sensor calibration

AttheendofcalibrationofthepHsensor,twotypesofmessagesmaybedisplayed:

the"Warning:span/offsetoutofrange"messagesignalseither•anerrorinthebuffersolutionortheageingofthesensor(ithasreachedhalfwayinitslifespan).Ageingofthesensorisconfirmedbya"span"valueofbetween50mV/pHand53mV/pHorbe-tween63mV/pHand65mV/pHandanoffsetvalueofbetween-60mVand-35mVorbetween35mVand60mV.Thesevaluescanneverthelessbesaved.

the"Error:span/offsetoutofrange"messageindicatesthatthe•sensormustbereplaced.Thisisconfirmedbya"span"value<50mV/pHor>65mV/pHoranoffsetvalue<-60mVor>60mV.Inthiscase,thecalibrationisnottakenintoaccount.Recalibratethetransmitterwhenthenewsensorisinplace.

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Type 8202

detailed procedure for the 1-point calibration of the oxidation reduction potential sensor

465.0mV1st point

475.0mV

Offset:

Cal.Result

Immersethecleansensorinthebuffersolution;iftheHoldmodeisdeactivated,thetransmitteralternatelydisplays:

thesolutionDDPmeas-•ured

thesolutiontemperature•measured

InputtheDDPofthebuffersolution(indi-catedonthebottle).

OK

Thetransmitterdisplaysthecalibrationresult.

Youarerequestedtosavethecalculatedvalueornot.

Seebelowforerrorsinthecalibrationofanoxida-tionreductionpotentialsensor.

MEAS BACK

MEAS ABORT OK

BACK

errors in the calibration of an oxidation reduction potential sensor

Attheendofcalibrationoftheoxidationreductionpotentialsensor,twotypesofmessagemaybedisplayed:

the"Warning:span/offsetoutofrange"messagesignalseitheranerrorinthebuffersolutionortheageingofthesensor(ithasreached•halfwayinitslifespan).Ageingofthesensorisconfirmedbyanoffsetvalueofbetween-60mVand-35mVorbetween35mVand60mV.Thesevaluescanneverthelessbesaved.

the"Error:span/offsetoutofrange"messageindicatesthatthesensormustbereplaced.Thisisconfirmedbyanoffsetvalue<-60mVor>•60mV.Inthiscase,thecalibrationisnottakenintoaccount.Recalibratethetransmitterwhenthenewsensorisinplace.

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Type 8202

detailed procedure for the 1- or 2-point calibration of the ph sensor

7.100pH1st point

Doyouwanttocali-bratea2ndpoint?

YES NO

1st point

7.000pH

Offset:Span:

Cal.Result

Immersethecleansensorinthefirstbuffersolution;iftheHoldmodeisde-activated,thetransmitteralternatelydisplays:

thesolutionpHmeas-•ured

thesolutiontempera-•turemeasured

InputthepHofthebuffersolution(indi-catedonthebottle).

Rinse

Rinsethesensor.WhenthepHreachesthedesiredvalue,validaterinsingwithOK

23.6°C2nd point

10.00pH

Immersethecleansensorinthesecondbuffersolution;iftheHoldmodeisdeactivated,thetransmitteralternatelydisplays:

thesolutionpHmeasured•

thesolutiontemperaturemeasured•

InputthepHofthesecondbuffersolu-tion(indicatedonthebottle).

OK

Thetransmitterdisplaysthecalibrationresult.

Youarerequestedtosavethecalcu-latedvaluesornot.

Seep.53forerrorsinthecalibrationofapHsensor.

BACK

6.153pH25.00°C

OK

MEAS ABORT OK

MEAS BACK

MEAS ABORT OK

MEAS ABORT OKOK

YES NO

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Type 8202

input an offset for the temperature 10.8.4. measurement (menu "sensor" - function "Temperature")


ThetemperaturetransmittedbythePt1000sensormaybecor-rected.

Thiscorrectionfactoristhetemperatureoffset.

BACKProbeTemperature

MEAS BACK

SensorMEAS

Calib.temp

OK

Inputthetempera-tureoffset(±5°C)

-3,500°C

diagnostic menu ("diagnostic")10.9.

modify the diagnostic menu access 10.9.1. code ("system" menu)

Refertoparagraphs10.5and10.6toaccesstheDagnosticmenu.

SystemSensor

MEAS BACK

DiagnosticCode

MEAS BACK

System

CODE:ModifytheDiagnosticmenuaccesscode(4figures;0000bydefault).

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Type 8202

monitor the sensor (menu "sensor" - Functions "Glass electrode" and "Ref electrode")10.9.2.


configure the device's behaviour in case of electrode consumption or if there are problems on the ph sensor (glass electrode, function "Glass elec" and/or reference electrode, function "Ref.elec.") or on the Redox sensor (reference electrode, function "Ref.elec.")

ACTIVATE:Choosewhetherornottoactivatemonitoringoftheimpedanceonthese-lectedelectrode.

Thismonitoringisdonebythegenerationofa"warning"eventiftheimpedancerangede-finedinthe"Warnhi/lo"functionsbelowisexceededandan"error"eventiftheimpedancerangedefinedinthe"Errhi/lo"functionsbelowisexceeded.


IMPEDANCE:ReadtheimpedancemeasuredinrealtimeonthepHelectrodeandthereferenceelectroderespectivelyofthepH/Redoxsensor.

WARN HI:Inputtheimpedancevalueabovewhicha"warning"eventisgenerated.Seedetailsnextpage.

WARN LO:Inputtheimpedancevaluebelowwhicha"warning"eventisgenerated.Seedetailsnextpage.

ERR HI:Inputtheimpedancevalueabovewhichan"error"eventisgenerated.Seedetailsnextpage.

ERR LO:Inputtheimpedancevaluebelowwhichan"error"eventisgenerated.Seedetailsnextpage.

GlasselectrodeRefelectrodeTemperatureMEAS BACK

Sensor

MEAS BACK

Glass elec.1)

Activate:Impedance:Warnhi:

MEAS BACK

Glass elec.1)

Warnlo:Errhi:Errlo:

1)or"Ref.elec."

Sensor menu - Tem-perature function: see 10.9.3

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Type 8202

"Warning" and "error" events (functions "Activate", "Warn hi", "Warn lo", "err hi" and "err lo" in the menus "Glass elec." and "Ref.elec.")

Amalfunctioninyourprocessorsimplyinthemeasurementsensormayberevealedbytoolowortoohighanimpedanceononeand/orotherelectrodeonthemeasurementsensor.

Tobewarnedwhenanelectrodehastoolowortoohighanimped-ance:

activatemonitoringonthiselectrodeinthefunction"activate",→then

programmeanimpedancerange(inM→ W forthepHelectrodeandinkWforthereferenceelectrodeonthepH/Redoxsensor)outsideofwhichthetransmittergeneratesa"warning"eventand

displaysthe and icons.

programmeanimpedancerange(inM→ W forthepHelectrodeandinkWforthereferenceelectrodeonthepH/Redoxsensor)outsideofwhichthetransmittergeneratesan"error"eventand

displaysthe andERR icons.

Whena"warning"or"error"eventisgeneratedbythetransmitter:

gointothe"Info"menutoreadthecauseoftheeventgeneration→and/orgointothe"Sensor"functionoftheDiagnosticmenuto→readtheimpedancevaluesforeachelectrodeinordertoidentifythecauseofanoutofrangeimpedance.

ifnecessary,cleanthenrecalibratethemeasurementsensoror→replaceit

The"warning"eventmayalsobeassociatedwithoneor•otherorbothtransistoroutputs.See§10.7.5,function"Output.TR1"or"Output.TR2".

The"error"eventmayalsobeassociatedwithoneor•otherorbothcurrentoutputs.See§10.7.4,function"Output.AC1"or"Output.AC2".


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Type 8202

monitor the fluid temperature (menu "sensor" - Function "Temperature")10.9.3.


monitor the fluid temperature and configure the device's behaviour if the ranges defined are exceeded ("temperat.")

ACTIVATE:Choosewhetherornottoactivatemonitoringofthefluidtemperature.

Thismonitoringisdonebythegenerationofa"warning"eventifthefluidtemperaturerangedefinedinthe"Warnhi/lo"functionsbelowisexceededandan"error"eventifthefluidtemperaturerangedefinedinthe"Errhi/lo"functionsbelowisexceeded.


TEMPERATURE:Readthefluidtemperaturemeasuredinrealtimebythebuilt-inPt1000sensor.

WARN HI:Inputthefluidtemperaturevalueabovewhicha"warning"eventisgenerated.Seedetailsnextpage.

WARN LO:Inputthefluidtemperaturevaluebelowwhicha"warning"eventisgenerated.Seedetailsnextpage.

ERR HI:Inputthefluidtemperaturevalueabovewhichan"error"eventisgenerated.Seedetailsnextpage.

ERR LO:Inputthefluidtemperaturevaluebelowwhichan"error"eventisgenerated.Seedetailsnextpage.

GlasselectrodeRefelectrodeTemperatureMEAS BACK

Sensor

MEAS BACK

Temperat.

Activate:TemperatureWarnhi:

MEAS BACK

Temperat.Warnlo:Errhi:Errlo:

Sensor menu - Functions Glass electrode and Ref electrode: see 10.9.2

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Type 8202

"Warning" and "error" events (functions "Activate", "Warn hi", "Warn lo", "err hi" and "err lo" in the menu "temperature")

Amalfunctioninyourprocessorthebuilt-intemperaturesensormayberevealedeitherbytoolowortoohighafluidtemperatureorbyanincorrecttemperaturemeasurement.

Tobewarnedwhenthetemperaturemeasurementisoutofrange:

activatemonitoringonthefluidtemperatureinthefunction"acti-→vate",then

programmeatemperaturerange(in°C)outsideofwhichthe→transmittergeneratesa"warning"eventanddisplaysthe and

icons.

programmeatemperaturerange(in°C)outsideofwhichthe→transmittergeneratesan"error"eventanddisplaysthe andERR icons.

Whena"warning"or"error"eventisgeneratedbythetransmitter:

gointothe"Info"menutoreadthecauseoftheeventgeneration→and/orgointothe"Sensor"functionoftheDiagnosticmenuto→readthemeasuredfluidtemperaturevalue.

ifnecessary,checkwhetherthebuilt-inPt1000isworkingcor-→rectlybymeasuringafluidwithaknowntemperature.IfthePt1000isfaulty,returnthedevicetoBürkert.

ifthePt1000isnotthecauseoftheproblem,checktheproc-→ess.

The"warning"eventmayalsobeassociatedwithoneor•otherorbothtransistoroutputs.See§10.7.5,function"Output.TR1"or"Output.TR2".

The"error"eventmayalsobeassociatedwithoneor•otherorbothcurrentoutputs.See§10.7.4,function"Output.AC1"or"Output.AC2".


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Type 8202

Test menu ("Test")10.10.

modify the Test menu access code 10.10.1. ("system" menu)

Refertoparagraphs10.5and10.6toaccesstheTestmenu.


TestCode

MEAS BACK

System

CODE:ModifytheTestmenuaccesscode(4figures;0000bydefault).

check that the outputs are working 10.10.2. correctly ("outputs" menu)



Test

MEAS BACK

Outputs

AC1AC2Tr1

Outputs

Tr2MEAS BACK

AC2Tr1

AC1:Checkthatcurrentoutput1isworkingcorrectlybyinputtingacurrentvalueandthenselecting"OK".

AC2:Checkthatcurrentoutput2isworkingcorrectlybyinputtingacurrentvalueandthenselecting"OK".

TR1:Checkthattransistoroutput1isworkingcorrectlybyselectingthestatusofthetransistor("ON"or"OFF")then"OK".

TR2:Checkthattransistoroutput2isworkingcorrectlybyselectingthestatusofthetransistor("ON"or"OFF")then"OK".

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Type 8202

check that the outputs are 10.10.3. behaving correctly ("sensor" menu)


Thefeaturemakesitpossibletosimulatethemeasurementofthephysicalparametertocheckiftheoutputsarecorrectlypro-grammed.


Test

MEAS BACK

Sensor

PVar:Value:

PVAR:Choosethephysicalparametertobetested.

VALUE:Inputaphysicalparameterselectedfromthe"PVAR"func-tionabovetocheckoutputbehaviour.

information menu ("info")10.11.

Refertoparagraphs10.5and10.6toaccesstheInfomenu.

ErrorWarningMaintenanceMEAS BACK

Info

SoftwareMEAS BACK

InfoMaintenanceSmiley

Thismenumakesitpossibletoread:

ashortdescriptionofthereasonwhythefollowingiconsaredis-•playedbythetransmitter,ononehand:

ERROR:- ERR

WARNING:-

MAINTENANCE:-

SMILEY:- or


thesoftwareversion(function"Software")oftheacquisition/•conversionmoduleforthephysicalparametersmeasured,ontheotherhand.

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Type 8202

mAinTenAnce And 11. TRoubleshooTinG


danger

Risk of injury due to high pressure in the installation.Cutoffthepressureanddepressurizethepipesbeforeloosening•thepipes.



Warning

Risk of injury due to non-conforming maintenance.Maintenancemustonlybecarriedoutbyqualifiedandskilledstaff•withtheappropriatetools.Guaranteeasetorcontrolledrestartingof theprocess,aftera•powersupplyinterruption.

cleaning of the transmitter11.2.

The8202transmittercanbecleanedwithwaterorusingadeter-gentcompatiblewiththematerialsitismadeof.

PleasefeelfreetocontactyourBürkertsupplierforanyadditionalinformation.

maintenance of the ph/redox 11.2.1. sensor

danger

Risk of injury due to the nature of the cleaning or regeneration solution.Respect theprevailing ruleson accidentprevention and safety•relatingtotheuseofaggressivefluids.

noTe

the process may be polluted by the cleaning solution.After each cleaning operation, rinse the sensorwith distilled•waterandimmerseit inaKCl3Msolutionorrunningwaterfor10minutes.

lifespan of the sensor

ThelifespanofapH/redoxsensordependsonthefluidtobemeas-uredandtheconditionsinwhichmeasurementsaretaken.

Whenthefluidtobemeasuredisaggressive,forexample,and/orthefluidtemperaturereacheshighvalues,thelifespanofthesensormaybeshortened.

63

Maintenanceandtroubleshooting

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Type 8202

Whenthemeasuringconditionsarefavourableandthefluidtemper-atureremainsintheregionof25°C,thesensorhasalifespanof1to3years;itdropsto3monthswhenthefluidtemperaturereaches90°C.

storing the sensor

Tostorethesensor:•

putKCl3Msolution,availableasanaccessory,intheprotective→cap

placetheprotectivecaponthesensor→Ifthesensorhasdriedoutduringstorage:•

letitsoakinaKCIsolutionforonefullnightifdehydrationis→majortoobviateincorrectmeasurementsanddrift

cleaning the sensor

Whenthesensorisdirty,cleanitaccordingtothetypeofdirt:•

cloggingbygreasesoroils:useatensioactive-basedcleaner-

limescaleormetalhydroxidedesposit:usedilutedhydrochloric-acid(10%)

sulphurousprecipitate(e.g.inpurificationstations):useamix--tureofdilutedhydrochloricacid(10%)andpepsin(saturated)

Particularcaseofasensorwithaceramicdiaphragm:•

eggwhitecolourpollution:soakthesensorinasolutioncom--posedof0.4%HCland5g/lofpepsinforseveralhours

blackcolourationofthediaphragm(silverprecipitate):immerse-thesensorinasolutioncomposedof0.4%HCland76g/lofthiourea

whentheredoxsensorispollutedbyions:•

useaquaregia,asolutioncomposedof25%nitricacidand→75%hydrochloricacid

immersethesensorinthesolutionobtainedforamaximumof→1minutetopreventthisaquaregiasolutiondissolvingtheplate

rinsethoroughly→Regenerating the sensor

ToregenerateapHsensor:•

soakthesensorinanNaOHsolution(0.1-1M)for10minutes→soakthesensorinanHCIsolution(0.1-1M)for10minutes→rinsethesensorbysoakingitinaKCl3Msolution(seeChap.→12)foratleast15minutes

Toregeneratearedoxsensor:•

cleanthemetalsurfacewithaslightlyabrasivematerialsuchas→toothpasteorveryfinescouringpowder.

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Type 8202

Replacing the sensor11.3.

noTe

the transmitter loses the ip67 protection rating when dis-mounted.Takeanyprecautionsnecessarytoprotecttheinsideofthedis-•mountedtransmitter.

Removethesensorasshownbelow.→Unscrewtheholdingnuton→thesensorarmatureandtheelectronicmodule.

Remove the electronic→modulebypullingitstraightout.Theremaybeaslightresistanceduetothetight-nessseal.

Unscrewthesensorusing→asuitablewrench.

Removeitcarefullyfromthe→armature.

Fig. 11.1 Removing the sensor from the armature

Fitanewsensorintothearmatureasshownin§7.6.→Refittheelectronicmoduletothearmatureasshownin§7.7.→

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Type 8202

if you encounter problems11.4.

Red led

current output

transistor output

icon message displayed within the info menu

meaning What to do

ON 22mA dependingonthresholds

ERR +

"E:Sat.ORPStage"

"E:Sat.pHStage"

ThepHorredoxvalueisnotbeingcorrectlymea-suredduetothesatura-tionoftheinputstageofthemeasuringboard

Checkthecorrectwiringoftheearthpoints→checktheequipotentialsurfacesoftheinstal-→lation


ERR +

"Nosensorboard" Thelinktothemeasure-mentmoduleisinter-rupted

Switchthepowersupplyoffthenonagain→iftheerrorpersists,returnthedevicetoBürkert→


ERR +

"SEEFactIRead" Factorydataislost.

Theprocesscontinuesbuttheaccuracyofthedeviceismodified


"SEEFactRead"


ERR +

"SEEUserRead" Userdataforthesensorislost(eg.typeofsensor)

Switchthepowersupplyoffthenonagain→checkthesensorparametersinallthe"Sensor"→menusthensavethemagain

iftheerrorpersists,returnthedevicetoBürkert→"SEEUserWrite"


ERR +

"SPTMissing" TheconnectiontothePt1000sensorislost

CheckthatthefasteningnutbetweenthepH→sensorandtheelectronicmoduleiscorrectlyscrewed

iftheerrorpersists,returnthedevicetoBürkert→

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Type 8202

Red led

current output

transistor output


meaning What to do


ERR +

"SPTRegulation" Thefluidtemperatureisnotbeingcorrectlymea-sured.

Theprocessisstopped.



ERR +

"SRTCClock" Theclockisfaulty.

Theprocesscontinues.

ReturnthedevicetoBürkertiftheclockises-→sential.


ERR +

"TRCOMMeasure" Theacquisition/conver-sionmoduleofthephysi-calparametersisfaulty.

Theprocessisstopped.



ERR +

"TREEFactRead" Parameterreadingerror Switchthepowersupplyoffthenonagain→iftheerrorpersists,setthedevicebacktothe→defaultsettings(§10.7.1)

iftheerrorpersists,returnthedevicetoBürkert→"TREEUserRead"


ERR +

"TREEUserWrite" Parametersavingerror Switchthepowersupplyoffthenonagain,→savetheparametersagain→iftheerrorpersists,setthedevicebacktothe→defaultsettings(§10.7.1)

iftheerrorpersists,returnthedevicetoBürkert→

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Type 8202

Red led

current output

transistor output


meaning What to do

OFF 4-20mA dependingonthresholds

+

"SBuffDiffORP"

"SBuffDiffpH"

"SBuffpHORP"

ThepHorredoxvalueisnotbeingcorrectlymea-suredduetothesatura-tionoftheinputstageofthemeasuringboard(commonmode).

Checkthewiring→checktheequipotentialsurfacesoftheinstal-→lation

"SRTCReinit" Thedateandtimearelostbecausethedevicehasnotbeenpoweredupforatleast5days.

Themessageisonlydis-playedatthefirstpower-ingup.

Programthedateandtime(see§10.7.1).→powerupthetransmitteratleast4hoursso→thatthedateandtimearebatterypoweredfor5days.

ON 22mA1) dependingonthresholds

ERR +

"E:ImpedanceRef" Theimpedanceofthereferenceelectrodeisoutofrange.

Themessageisdisplayedifthemonitoringoftheimpedanceoftherefer-enceelectrodehasbeenactivated,dependingontheprogrammedthresh-oldsERRLOandERRHI(see§10.9.2).

Gointothe"Sensor"functionoftheDiagnostic→menutoreadtheimpedancevalueoftherefer-enceelectrode(§10.9.2)

ifnecessary,cleanthenrecalibratethemeas-→urementsensororreplaceit

1) if the DIAG MODE function of the "Output.AC1" or "Output.AC2" menu is set to "22 mA" (see § 10.7.4); else, the current output delivers a standard current between 4 and 20 mA

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Type 8202

Red led

current output

transistor output


meaning What to do


ERR +

"E:Imped.Glass" TheimpedanceofthepHelectrodeisoutofrange.

ThemessageisdisplayedifthemonitoringoftheimpedanceofthepHelectrodehasbeenacti-vated,dependingontheprogrammedthresholdsERRLOandERRHI(see§10.9.2).

Gointothe"Sensor"functionoftheDiagnostic→menutoreadtheimpedancevalueofthepHelectrode(§10.9.2)



ERR +

"E:Temperature" Thefluidtemperatureisoutofrange.

Themessageisdisplayedifthemonitoringofthefluidtemperaturehasbeenac-tivated,dependingontheprogrammedthresholdsERRLOandERRHI(see§10.9.3).

Gointothe"Sensor"functionoftheDiagnostic→menutoreadthemeasuredfluidtemperature(§10.9.3).

ifnecessary,checkwhetherthebuilt-inPt1000→isworkingcorrectlybymeasuringafluidwithaknowntemperature.

IfthePt1000isfaulty,returnthedeviceto→Bürkert.

ifthePt1000isnotthecauseoftheproblem,→checktheprocess.

1) if the DIAG MODE function of the "Output.AC1" or "Output.AC2" menu is set to "22 mA" (see § 10.7.4); else, the current output delivers a standard current between 4 and 20 mA

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Type 8202

Red led

current output

transistor output


meaning What to do

OFF 4-20mA Switched2) +

"W:ImpedanceRef" Theimpedanceofthereferenceelectrodeisoutofrange.

Themessageisdisplayedifthemonitoringoftheim-pedanceofthereferenceelectrodehasbeenacti-vated,dependingontheprogrammedthresholdsWARNLOandWARNHI(see§10.9.2).

Gointothe"Sensor"functionoftheDiagnostic→menutoreadtheimpedancevalueoftherefer-enceelectrode(§10.9.2)



"W:Imped.Glass" TheimpedanceofthepHelectrodeisoutofrange.

ThemessageisdisplayedifthemonitoringoftheimpedanceofthepHelectrodehasbeenacti-vated,dependingontheprogrammedthresholdsWARNLOandWARNHI(see§10.9.2).

Gointothe"Sensor"functionoftheDiagnostic→menutoreadtheimpedancevalueofthepHelectrode(§10.9.2)


2) If the "PVAR" function of the "Output.TR1" and/or "Output.TR2" menus is set to "warning" (see § 10.7.5); else, the transistor outputs are operating depending on the programmed thresholds.

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Type 8202

Red led

current output

transistor output


meaning What to do


"W:Temperature" Thefluidtemperatureisoutofrange.

Themessageisdisplayedifthemonitoringofthefluidtemperaturehasbeenac-tivated,dependingontheprogrammedthresholdsWARNLOandWARNHI(see§10.9.3).

Gointothe"Sensor"functionoftheDiagnostic→menutoreadthemeasuredfluidtemperature(§10.9.3).

ifnecessary,checkwhetherthebuilt-inPt1000→isworkingcorrectlybymeasuringafluidwithaknowntemperature.

IfthePt1000isfaulty,returnthedeviceto→Bürkert.

ifthePt1000isnotthecauseoftheproblem,→checktheprocess.

OFF 4-20mA Switched2) "M:Calib.Date" Acalibrationisdue.

Theperiodicityofthecali-brationsissetwithinthe"INTERVAL"functionofthe"CALIBINTERVAL"menu(see§10.8.3)

Calibratethesensor(§10.8.3)→

2) If the "PVAR" function of the "Output.TR1" and/or "Output.TR2" menus is set to "warning" (see § 10.7.5); else, the transistor outputs are operating depending on the programmed thresholds.

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Type 8202

spARe pARTs And 12. AccessoRies

CauTion

Risk of injury and/or damage by the use of incorrect parts.

Incorrectaccessoriesandunsuitablereplacementpartsmaycauseinjuriesanddamagethedeviceandthesurroundingarea.Useonlyoriginalaccessoriesandoriginalreplacementpartsfrom•Bürkert.

spare part order code

SealinEPDM,Ø 46x2mm,forthesensorarmature

559169

Accessory order codeDisplaymodule 559168pHsensor,LOGOTRODEpH120mm 427114pHsensor,CERATRODEpH120mm 418319pHsensor,UNITRODEPLUSpH120mm 560376pHsensor,PLASTRODEpH120mm 560377Redoxsensor,UNITRODEPLUSRedox120mm

560378

Redoxsensor,LOGOTRODERedox120mm 560379StoragesolutionforpH/Redoxsensor(KCl3M),500ml

418557

Accessory order codeBuffersolution,500ml,pH=4 418540Buffersolution,500ml,pH=7 418541Buffersolution,500ml,pH=10 418543Buffersolution,500ml,redoxpotential=475mV

418555

M12,5-pinfemaleconnector,tobewired 917116M12,5-pinfemaleconnector,mouldedonshieldedcable(2m)

438680

M12,5-pinmaleconnector,mouldedonshieldedcable(2m)

559177

72

Sparepartsandaccessories

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Type 8202

pAckAGinG, TRAnspoRT13.

noTe

damage due to transport

Transportmaydamageaninsufficientlyprotecteddevice.Transportthedeviceinshock-resistantpackagingandawayfrom•humidityanddirt.Avoidtheeffectsofheatandcoldwhichcouldcausethestorage•temperaturerangetobeexceeded.Protecttheelectricalinterfacesbyusingprotectioncaps.•

sToRAGe14.

noTe

poor storage can damage the device.Storethedeviceinadryplaceawayfromdust.•Storagetemperatureofthe8202:-10to+60°C.•Storagetemperatureofthesensor:see§6.3.5orcorresponding•instructionmanual.

73

Packaging,Transport

english

Type 8202

disposAl oF The pRoducT15. Disposeof thedeviceand itspackaging inanenvironmentally-→friendlyway.

noTe

damage to the environment caused by products contaminated by fluids.Keeptotheexistingprovisionsonthesubjectofwastedisposal•andenvironmentalprotection.

please note

Complywiththenationaland/orlocalregulationswhichconcerntheareaofwastedisposal.

74

Disposaloftheproduct

english

Type 8202

www.burkert.com

type 8202 - kele gas_specialty_sensors/pdfs/ds8202... · 2011. 11. 14. · documentation datasheets...

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