YOKOGAWA FLXA202 User manual

User’s
Manual Model FLXA202 / FLXA21
2-Wire Analyzer
Safety Precautions
IM 12A01A02-20E
IM 12A01A02-20E
4th Edition

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IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
uSafety Precautions
n Safety,Protection,andModicationoftheProduct
• Inordertoprotectthesystemcontrolledbytheproductandtheproductitselfandensure
safeoperation,observethesafetyprecautionsdescribedinthisuser’smanual.Weassume
noliabilityforsafetyifusersfailtoobservetheseinstructionswhenoperatingtheproduct.
• Ifthisinstrumentisusedinamannernotspeciedinthisuser’smanual,theprotection
providedbythisinstrumentmaybeimpaired.
• Ifanyprotectionorsafetycircuitisrequiredforthesystemcontrolledbytheproductorfor
theproductitself,prepareitseparately.
• BesuretousethesparepartsapprovedbyYokogawaElectricCorporation(hereafter
simplyreferredtoasYOKOGAWA)whenreplacingpartsorconsumables.
• Modicationoftheproductisstrictlyprohibited.
• Thefollowingsafetysymbolsareusedontheproductaswellasinthismanual.
WARNING
Thissymbolindicatesthatanoperatormustfollowtheinstructionslaidoutinthismanualinorder
toavoidtherisks,forthehumanbody,ofinjury,electricshock,orfatalities.Themanualdescribes
whatspecialcaretheoperatormusttaketoavoidsuchrisks.
CAUTION
Thissymbolindicatesthattheoperatormustrefertotheinstructionsinthismanualinorderto
preventtheinstrument(hardware)orsoftwarefrombeingdamaged,orasystemfailurefrom
occurring.
CAUTION
Thissymbolgivesinformationessentialforunderstandingtheoperationsandfunctions.
NOTE
Thissymbolindicatesinformationthatcomplementsthepresenttopic.
ThissymbolindicatesProtectiveGroundTerminal.
ThissymbolindicatesFunctionGroundTerminal.Donotusethisterminalastheprotective
groundterminal.
nWarning and Disclaimer
Theproductisprovidedonan“asis”basis.YOKOGAWAshallhaveneitherliabilitynor
responsibilitytoanypersonorentitywithrespecttoanydirectorindirectlossordamagearising
fromusingtheproductoranydefectoftheproductthatYOKOGAWAcannotpredictinadvance.
MediaNo.IM12A01A02-20E 4thEdition:Oct.2015(YK)
AllRightsReservedCopyright©2013,YokogawaElectricCorporation

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IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
nMark position of intrinsic safety
Themarkpositionofintrinsicsafetyisshownasfollows
FLXA202-D-*-…
*1
*2
Type:-CB
*1: ThismarkingconformstoIntrinsicsafetyofIECEx.
*2: ThismarkingconformstoIntrinsicsafetyofATEX.

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IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
FLXA21-D-*-…
*1
*4
*2
*6
*7
*5
*1
*4
*3
*2
*6
*7
*5
*1
*5
*2
*3 *3 *6
*7
*4
-P (Plastic) -S (Stainless steel)
-U (Stainless steel + urethane coating)
-E (Stainless steel + epoxy coating)
*1: ThismarkingconformstoIntrinsicsafetyofIECEx.
*2: ThismarkingconformstoIntrinsicsafetyofATEX.
*3: ThismarkingconformstoIntrinsicsafetyofNEPSI.
*4: ThismarkingconformstoIntrinsicsafetyofFM.
*5: ThismarkingconformstoIntrinsicsafetyofCSA.
*6: ThismarkingconformstononincendiveofFM.
*7: ThismarkingconformstononincendiveofCSA.
*1
*2
*4
*5
*3
*6
*7
Top Side Bottom Side
*1: ThismarkingconformstoIntrinsicsafetyofIECEx.
*2: ThismarkingconformstoIntrinsicsafetyofATEX.
*3: ThismarkingconformstoIntrinsicsafetyofNEPSI.
*4: ThismarkingconformstoIntrinsicsafetyofFM.
*5: ThismarkingconformstoIntrinsicsafetyofCSA.
*6: ThismarkingconformstononincendiveofFM.
*7: ThismarkingconformstononincendiveofCSA.

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IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
nRegulatory Compliance
lFLXA202/FLXA21 common Compliance
Safety: UL 61010-1
   UL61010-2-030
   CAN/CSA-C22.2No.61010-1
   CAN/CSA-C22.2No.61010-2-030
EMC:EN61326-1ClassA,Table2(Foruseinindustriallocations)
   Inuenceofimmunityenvironment(CriteriaA):Outputshiftisspeciedwithin±25%ofF.S.
  EN61326-2-3
  AS/NZSCISPR11
  KoreaElectromagneticConformityStandardClassA 한국 전자파적합성 기준
A급 기기 (업무용 방송통신기자재)
이 기기는 업무용(A급) 전자파적합기기로서 판매자 또는
사용자는 이 점을 주의하시기 바라며, 가정외의 지역에서
사용하는 것을 목적으로 합니다.
Installationaltitude: 2000morless
CategorybasedonIEC61010:I(Note1)
PollutiondegreebasedonIEC61010:2(Note2)
Note1: Installationcategory,calledover-voltagecategory,speciesimpulsewithstandvoltage.
 Equipmentwith“CategoryI”(ex.two-wiretransmitter)isusedforconnectiontocircuitsinwhichmeasuresaretaken
tolimittransientover-voltagestoanappropriatelylowlevel.
Note2: Pollutiondegreeindicatesthedegreeofexistenceofsolid,liquid,gasorotherinclusionswhichmayreduce
dielectricstrength.Degree2isthenormalindoorenvironment.
lFLXA202
Intrinsicsafety(sufxcodeType:-CB):
ATEXIntrinsicsafetyapproval
Applicablestandard
 ExplosiveAtmospheres
 EN60079-0:2012/A11:2013Equipment-Generalrequirements
 EN60079-11:2012 EquipmentprotectionbyIntrinsicsafety“i”
 EN60079-26:2007 Equipmentwithequipmentprotectionlevel(EPL)Ga
 EN60529:1992 Degreesofprotectionprovidedbyenclosures(IPCode)
Typeofprotection
 II1GExiaIICGa
  Group:II
  Category:1G
  T4:forambienttemperature:–20to55ºC
  Atmospherepressure:80kPa(0.8bar)to110kPa(1.1bar)
  DegreeofProtectionoftheEnclosure:IP66
IECExIntrinsicsafetyapproval
Applicablestandard
 IEC60079-0:2011 Part0:Equipment-Generalrequirements
 IEC60079-11:2011 Part11:Equipmentprotectionbyintrinsicsafety“i”
 IEC60079-26:2006 Part26:Equipmentwithequipmentprotectionlevel(EPL)Ga
 IEC60529:2001 Degreesofprotectionprovidedbyenclosures(IPCode)
Typeofprotection
 ExiaIICGa
  T4:forambienttemperature:–20to55ºC
  Atmospherepressure:80kPa(0.8bar)to110kPa(1.1bar)
  DegreeofProtectionoftheEnclosure:IP66

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IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
ATEX and IECEx
Control Drawing (for 4–20mA Type)
Measuring module 1
Measuring module 2
Sensor 1
Sensor 2
Associated Apparatus
Housing Assembly
FLXA21/FLXA202 Analyzer
Supply
Supply
Non-hazardous AreaHazardous Area
Supply +, Supply –
Ui: 30 V
Ii: 100 mA
Pi: 0.75 W
Ci: 13 nF
Li: 0 mH
-
+
-
+
Measuring Module 1, 2
Type of Measuring Module
pH, SC, DO ISC SENCOM
Uo 11.76V 11.76V
5.36V
Io 116.5mA 60.6mA 106.16mA
Po 0.3424W 0.178W 0.1423W
Co 100nF 100nF 31μF
Lo 1.7mH 8mH 0.45mH
SpecicConditionsofUse
- WhentheenclosureofFLXA21/202Analyzerismadeofaluminumalloy,andwhenitis
usedinanexplosiveatmosphererequiringequipmentofCategory1GorEPLGa,the
Analyzermustbeinstalledinsuchawaythat,evenintheeventofrareincidents,anignition
sourceduetoimpactfrictionsparksisexcluded.
- Precautionsshallbetakentominimizetheriskfromelectrostaticdischargeofnon-metallic
partsoftheenclosureorpaintedpartsofthemetallicenclosure.
Notes:
1. Theassociatedapparatusmustbealinearsource.
2. MeasuringModule2isnotnecessarilyinstalled.AsforISCmoduleandSENCOMmodule,
onlyonemoduleispermittedtobeinstalledatatime.
3. Sensor1andSensor2maybesimpleapparatusorintrinsicallysafeapparatus.
4. WARNING–POTENTIALELECTROSTATICCHARGINGHAZARD–SEEUSER’S
MANUAL

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IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
lFLXA21
Intrinsicsafetyandnonincendive(sufxcodeType:-EA,-ES):
ATEXIntrinsicsafetyapproval
Applicablestandard
 ExplosiveAtmospheres
 EN60079-0:2012/A11:2013Equipment-Generalrequirements
 EN60079-11:2012 EquipmentprotectionbyIntrinsicsafety“i”
 EN60079-26:2007 Equipmentwithequipmentprotectionlevel(EPL)Ga
 EN60529:1992 Degreesofprotectionprovidedbyenclosures(IPCode)
Typeofprotection
 II1GExiaIICGa
  Group:II
  Category:1G
  T4:forambienttemperature:–20to55ºC
  T6:forambienttemperature:–20to40ºC(excludingSENCOMmodule)
  Atmospherepressure:80kPa(0.8bar)to110kPa(1.1bar)
  DegreeofProtectionoftheEnclosure:IP66
IECExIntrinsicsafetyapproval
Applicablestandard
 IEC60079-0:2011 Part0:Equipment-Generalrequirements
 IEC60079-11:2011 Part11:Equipmentprotectionbyintrinsicsafety“i”
 IEC60079-26:2006 Part26:Equipmentwithequipmentprotectionlevel(EPL)Ga
 IEC60529:2001 Degreesofprotectionprovidedbyenclosures(IPCode)
Typeofprotection
 ExiaIICGa
  T4:forambienttemperature:–20to55ºC
  T6:forambienttemperature:–20to40ºC(excludingSENCOMmodule)
  Atmospherepressure:80kPa(0.8bar)to110kPa(1.1bar)
  DegreeofProtectionoftheEnclosure:IP66
FMIntrinsicsafetyandnonincendiveapproval
Applicablestandard
FM-3600:2011 ApprovalStandardforElectricEquipmentforuseinHazardous
   (Classied)LocationsGeneralRequirement
FM-3610:2010 ApprovalStandardforIntrinsicallySafeApparatusandAssociated
   ApparatusforUseinClassI,II,andIII,Division1,Hazardous
   (Classied)Locations
FM-3611:2004 NonincendiveElectricalEquipmentforUseinClassIandII,Division2
   andClassIII,Divisions1and2,Hazardous(Classied)Locations
FM-3810:2005 ElectricalEquipmentforMeasurement,ControlandLaboratoryUse
NEMA250:1991EnclosuresforElectricalEquipment(1000VoltsMaximum)
ANSI/IEC60529:2004  Degreesofprotectionprovidedbyenclosures(IPCode)
ANSI/ISA60079-02009 Part0:GeneralRequirements
ANSI/ISA60079-112011 Part11:Equipmentprotectionbyintrinsicsafety“i”
Typeofprotection
 ClassI,Division1,GroupsA,B,CandD(IntrinsicallySafe)
 ClassI,Division2,GroupsA,B,CandD(Nonincendive)
 ClassI,Zone0,inHazardous(Classied)Locations(IntrinsicallySafe)
 ClassI,Zone2,GroupIIC,inHazardous(Classied)Locations(Nonincendive)
 AExiaIIC
 Forallprotectiontype,
  T4:forambienttemperature:-20to55°C
  T6:forambienttemperature:-20to40°C
 Atmospherepressure:80kPa(0.8bar)to110kPa(1.1bar)
 DegreeofProtectionoftheEnclosure:NEMAType4XandIP66
CSAIntrinsicsafetyandnonincendiveapproval
Applicablestandard
CAN/CSAC22.2No.94-M1991 SpecialPurposeEnclosures
CAN/CSAC22.2No.157-92 IntrinsicallySafeandNon-incendiveEquipmentforUse
inHazardousLocations

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IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
C22.2No213-M1987 Non-incendiveElectricalEquipmentforUseinClassI,Division2
    HazardousLocations
CAN/CSA-E60079-0-07 Electricalapparatusforexplosivegasatmospheres
     -Part0:Generalrequirements
CAN/CSA-E60079-11-02 Electricalapparatusforexplosivegasatmospheres
     -Part11:Intrinsicsafety“i”
IEC60529:2001 Degreesofprotectionprovidedbyenclosures(IPCode)
Typeofprotection(C22.2)
 ClassI,Division1,GroupsA,B,CandD (IntrinsicallySafe)
 ClassI,Division2,GroupsA,B,CandD(Nonincendive)
 Forallprotectiontype,
  T4:forambienttemperature:-20to55°C
  T6:forambienttemperature:-20to40°C
 Atmospherepressure:80kPa(0.8bar)to110kPa(1.1bar)
 AmbientHumidity:0to100%(Nocondensation)
 DegreeofProtectionoftheEnclosure:Type4X
Typeofprotection(E60079)
 ExiaIIC
  T4:forambienttemperature:-20to55°C
  T6:forambienttemperature:-20to40°C
 Atmospherepressure:80kPa(0.8bar)to110kPa(1.1bar)
 AmbientHumidity:0to100%(Nocondensation)
 DegreeofProtectionoftheEnclosure:IP66
NEPSIIntrinsicsafetyapproval
Applicablestandard
 GB3836.1-2010Explosiveatmospheres-Part1:Equipment-Generalrequirements
GB3836.4-2010Explosiveatmospheres-Part4:Equipmentprotectionbyintrinsicsafety“i”
 GB3836.20-2010Explosiveatmospheres-Part20:Equipmentwithequipment
protectionlevel(EPL)Ga
Typeofprotection
 ExiaIICGa
  T4:forambienttemperature:-20°Cto55°C
  T6:forambienttemperature:-20°Cto40°C
 Atmospherepressure:80kPa(0.8bar)to110kPa(1.1bar)
 DegreeofProtectionoftheEnclosure:IP66
ElectricalParameters(Exia)
Eachhousingassembly(basemodule)andeachsensormodulearerespectivelycerticated.
Inputparametersofsensormodulemeetoutputparametersofhousingassembly.
Housing assembly
Inputparameters Supplyandoutputcircuit(terminals+and-):
Ui,Vmax =30V
Ii,Imax  =100mA
Pi,Pmax =0.75W
Ci  =13nF
Li  =0mH
(Linearsource)
Outputparameters Sensormoduleinputcircuit(CN2orCN3onBackboard)
UoVt,Voc =13.65V
Io,It,Isc =50mA
Po  =0.372W
Co,Ca  =80nF
Lo,La  =7.7mH

8
IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
pH/ORP Sensor module, SC Sensor module and DO Sensor module
Inputparameters Ui,Vmax =13.92V
Ii,Imax  =50mA
Pi,Pmax =0.374W
Ci  =40nF
Li  =2.9mH
Outputparameters Sensorinputcircuit(pH:terminals11through19,
SC:terminals11through16,DO:terminals11through
18)
UoVt,Voc =11.76V
Io,It,Isc =116.5mA
Po  =0.342W
Co,Ca  =100nF
Lo,La  =1.7mH
ISC Sensor module
Inputparameters Ui,Vmax =13.92V
Ii,Imax  =50mA
Pi,Pmax =0.374W
Ci  =40nF
Li  =7.7mH
Outputparameters Sensorinputcircuit(terminals11through17)
UoVt,Voc =11.76V
Io,It,Isc =60.6mA
Po  =0.178W
Co,Ca  =100nF
Lo,La  =8mH
SENCOM Sensor module
Inputparameters Ui,Vmax =13.92V
Ii,Imax  =50mA
Pi,Pmax =0.374W
Ci  =40nF
Li  =7.2mH
Outputparameters Sensorinputcircuit(terminals82,83,84,86and87)
UoVt,Voc =5.36V
Io,It,Isc =106.16mA
Po  =0.1423W
Co,Ca  =31µF
Lo,La  =0.45mH
Modelcodeaspercerticationunit
Housing assembly
Model code Enclosure type (Housing) Display Explosion proof type
K9698NA Plastic(Polycarbonate)
(-P)
Withoutdisplay(-N) Intrinsicsafetytype
T4:forTa:-20to55ºC
T6:forTa:-20to40ºC
K9698PA WithLCDdisplay(-D)
K9698QA Stainlesssteelwith
urethanecoating(-U)
Withoutdisplay(-N)
K9698RA WithLCDdisplay(-D)
K9698QB Stainlesssteelwithepoxy
coating(-E)
Withoutdisplay(-N)
K9698RB WithLCDdisplay(-D)
K9698QC Stainlesssteel(-S) Withoutdisplay(-N)
K9698RC WithLCDdisplay(-D)
Sensor module
Model code Sensor module type Explosion proof type
K9698EA pH/ORPmodule Intrinsicsafetytype
T4:forTa:-20to55ºC
T6:forTa:-20to40ºC
K9698FA SCmodule
K9698GA ISCmodule
K9698HA DOmodule
K9698JA SENCOMmodule Intrinsicsafetytype
T4:forTa:-20to55ºC
ATEXandIECExonly

9
IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
ATEX and IECEx
Control Drawing (for 4-20mA type)
Measuring module 1
Note: The measuring module on this drawing means
the sensor module on this General Specifications.
Measuring module 2
Sensor 1
Sensor 2
(*)
(Note 1)
Safety Barrier
Housing Assembly
Supply
-
Supply +
→ Non Hazardous Location Hazardous Location ←
-
+
Electricaldataareasfollows;
Supplyandoutputcircuit(TerminalsSupply+and-):
 MaximumVoltage(Ui)=30V
 MaximumCurrent(Ii)=100mA
 MaximumPower(Pi)=0.75W
 InternalCapacitance(Ci)=13nF
 InternalInductance(Li)=0mH
Sensorinputcircuit(pH:terminals11through19,SC:terminals11through16,DO:terminals11
through18,ISC:terminals11through17,SENCOM:terminals82,83,84,86and87):
Type of Measuring Module pH, SC and DO ISC SENCOM
MaximumVoltage(Uo) 11.76V 11.76V 5.36V
MaximumCurrent(Io) 116.5mA 60.6mA 106.6mA
MaximumPower(Po) 0.3424W 0.178W 0.1423W
ExternalCapacitance(Co) 100nF 100nF 31µF
ExternalInductance(Lo) 1.7mH 8mH 0.45mH
Note1: Inanysafetybarrierused,theoutputcurrentmustbelimitedbyaresistor“R”suchthatImaxout=Uz/R.
Note2: ThesafetybarriershallbecertiedbynotifybodyEUasATEX.
Note3: Whenusingnonisolationbarrierconnect(*1)toISearthingsystem.
Note4: Sensor1andSensor2shallbeofpassivetypestoberegardedas‘simpleapparatus’ortheonesindividually
certiedwithrelevantparameters.
Note5: Measuringmodule2maynotmounted.AsforISCmoduleandSENCOMmodule,onlyonecanbemounted.
Note6: MeasuringmoduleisplacedinanenclosurewithIP20andover.
FM
Control Drawing (for 4-20mA type)
Followingcontentsrefer“DOC.No.IKE039-A12”
Measuring module 1
Measuring module 2
(Refer to Note 7)
Sensor 1
Sensor 2
(Note 1)
Safety Barrier
Housing Assembly
Supply
-
Supply +
→ Non Hazardous Location Hazardous Location ←
-
+
Class I, Division 1, Groups A, B, C, and D
Class I, Zone 0 and 1, Group IIC
T4 for Ta = 55°C, T6 for Ta = 40°C
2 wire analyzer
Note: The measuring module on this drawing means
the sensor module on this General Specifications.
Electricaldataareasfollows;
Input MaximumInputVoltage(Ui)=30V
 MaximumCurrent(Ii)=100mA
 MaximumPower(Pi)=0.75W
 InternalCapacitance(Ci)=13nF
 InternalInductance(Li)=0mH

10
IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
SensorInputCircuit
Type of Measuring Module pH, SC and DO ISC
MaximumVoltage(Uo) 11.76V 11.76V
MaximumCurrent(Io) 116.5mA 60.6mA
MaximumPower(Po) 0.3424W 0.178W
ExternalCapacitance(Ca,Co) 100nF 100nF
ExternalInductance(La,Lo) 1.7mH 8mH
Note1: Inanysafetybarrierused,theoutputcurrentmustbelimitedbyaresistor“R”suchthatImaxout=Uz/R.
Note2: ThesafetybarriershallbeFMEntity-Approvedassociatedapparatus/barrierwhere:
  BarrierVoc,Uo≤30V;
  BarrierIsc,Io≤100mA;
  BarrierPo≤0.75W;
  BarrierCa,Co≥13nF+Ccable;
  BarrierLa,Lo≥Lcable
Note3: Whenusingnonisolationbarrierconnect(*1)toISearthingsystem.
Note4: pHandSCSensor(s)areofapassivetypetoberegardedas‘simpleapparatus’sameas06ATEX0218X,
06ATEX0219,IECExKEM06.0052X,FM3028779,06ATEX0220X,06ATEX0221,IECExKEM06.0053Xortheone
individuallycertiedwithrelevantparameters.
Note5: ISCSensor(s)areISC40Sof00ATEX1067Xortheoneindividuallycertiedwithrelevantparameters.
Note6: DOSensor(s)areofapassivetypetoberegardedas‘simpleapparatus’ortheoneindividuallycertiedwith
relevantparameters.
Note7: Measuringmodule2maynotmounted.AsforISCmodule,onlyonecanbemounted.
Note8: InstallpertheNationalElectricalCode(NFPA70)
Note9: WARNING-PotentialelectrostaticcharginghazardElectrostaticchargemaycauseanexplosionhazard.Avoidany
actionsthatcausethegenerationofelectrostaticcharge,e.g.,rubbingwithadrycloth.
Note10: AsanalternativetoinstallingtheFLXA21inDivision2usingClassI,Division2wiringmethods,theFLXA21may
beinstalledinDivision2usingnonincendiveeldwiringinaccordancewiththeNationalElectricalCode(NFPA
70)usingthesameparametersidentiedforintrinsicallysafeentityinstallations.TheAssociatedNonincendive
ApparatusshallhavenonincendiveeldwiringconnectionswhichareFMApprovedforuseintheClassI,Division2
location.
CSA
Control Drawing (for 4-20mA type)
Measuring module 1
Measuring module 2
(Refer to Note 7)
Sensor 1
Sensor 2
Housing Assembly
Supply
-
Supply +
→ Non Hazardous Location Hazardous Location ←
(*1)
Refer to Note
Safety Barrier
-
+
Intrinsically Safe
Group IIC, Zone 0
Class I, Division 1
Non-incendive
Class I, Division 2,
Groups A, B, C, D
2 wire analyzer
Not use safety barrier but
CSA certified equipment
use in Non-incendive
Note: The measuring module on this
drawing means the sensor module
on this General Specifications.
Electricalparameters(Intrinsicallysafe)
HousingAssembly
Supplyandoutputcircuit(terminals+and-)
 Ui(Vmax)=30V,Ii(Imax)=100mA,Pi(Pmax)=0.75W,Ci=13nF,Li=0mH
Measuringmoduleinputcircuit(CN2orCN3onBackboard)
 Uo(Vt,Voc)=13.65V,Io(It,Isc)=50mA,Po=0.372W,Co(Ca)=80nF,Lo(La)=7.7mH
pHmodule,SCmoduleandDOmodule
 Ui(Vmax)=13.92V,Ii(Imax)=50mA,Pi(Pmax)=0.374W,Ci=40nF,Li=2.9mH
Sensorinputcircuit(terminals11through19)
 Uo(Vt,Voc)=11.76V,Io(It,Isc)=116.5mA,Po=0.3424W,Co(Ca)=100nF,Lo(La)=1.7mH
ISCmodule
 Ui(Vmax)=13.92V,Ii(Imax)=50mA,Pi(Pmax)=0.374W,Ci=40nF,Li=7.7mH
Sensorinputcircuit(terminals11through17)
 Uo(Vt,Voc)=11.76V,Io(It,Isc)=60.6mA,Po=0.178W,Co(Ca)=100nF,Lo(La)=8mH
Installationrequirementsbetweenhousingassemblyandsafetybarrier
 Uo≤UiIo≤IiPo≤PiCo≥Ci+CcableLo≥Li+Lcable
 Voc≤VmaxIsc≤ImaxCa≥Ci+CcableLa≥Li+Lcable
 Uo,Io,Po,Co,Lo,Voc,Isc,CaandLaareparametersofbarrier.

11
IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
ElectricalParameters(Nonincendive)
HousingAssembly
Supplyandoutputcircuit(terminals+and-)
 Ui(Vmax)=30V,Ci=13nF,Li=0mH
Measuringmoduleinputcircuit(CN2orCN3onBackboard)
 Uo(Vt,Voc)=13.65V,Io(It,Isc)=50mA,Co(Ca)=80nF,Lo(La)=7.7mH
pHmodule,SCmoduleandDOmodule
 Ui(Vmax)=13.92V,Ci=40nF,Li=2.9mH
Sensorinputcircuit(terminals11through19)
 Uo(Vt,Voc)=11.76V,Io(It,Isc)=116.5mA,Co(Ca)=4uF,Lo(La)=4.5mH
ISCmodule
 Ui(Vmax)=13.92V,Ci=40nF,Li=7.7mH
Sensorinputcircuit(terminals11through17)
 Uo(Vt,Voc)=11.76V,Io(It,Isc)=60.6mA,Co(Ca)=4uF,Lo(La)=19mH
NoteforIntrinsicallySafeInstallation:
1: Inanysafetybarrierused,theoutputcurrentmustbelimitedbyaresistor“R”suchthatIo=Uo/RorIsc=Voc/R.
2: ThesafetybarriermustbeCSAcertied.
3: Inputvoltageofthesafetybarriermustbelessthan250Vrms/Vdc
4: Whenusingnonisolationbarrierconnect(*1)toISearthingsystem.
5: pHandSCSensor(s)areofapassivetypetoberegardedas‘simpleapparatus’sameas06ATEX0218X,
06ATEX0219,IECExKEM06.0052X,FM3028779,06ATEX0220X,06ATEX0221,IECExKEM06.0053Xortheone
individuallycertiedwithrelevantparameters.
6: ISCSensor(s)areISC40Sof00ATEX1067Xortheoneindividuallycertiedwithrelevantparameters.
7: DOSensor(s)areofapassivetypetoberegardedas‘simpleapparatus’ortheoneindividuallycertiedwithrelevant
parameters.
8: Measuringmodule2maynotmounted.AsforISCmodule,onlyonecanbemounted.
9: InstallationshouldbeinaccordancewithCanadianElectricalCodePartIandLocalElectricalCode.
10: DonotalterdrawingwithoutauthorizationfromCSA.
NoteforNonincendiveInstallation:
1: Theparameterforsensorinputcircuitmustbetakenintoaccountwheninstalled.
2: InstallationshouldbeinaccordancewithCanadianElectricalCodePartIandLocalElectricalCode.
3: DonotalterdrawingwithoutauthorizationfromCSA.
NEPSI
Control Drawing (for 4-20mA type)
Measuring module 1
Note: The measuring module on this drawing means
the sensor module on this General Specifications.
Measuring module 2
Sensor 1
Sensor 2
(*)
(Note 1)
Safety Barrier
Housing Assembly
Supply
-
Supply +
→ Non Hazardous Location Hazardous Location ←
-
+
Electricaldataareasfollows;
MaximumVoltage(Ui)=30V
MaximumCurrent(Ii)=100mA
MaximumPower(Pi)=0.75W
InternalCapacitance(Ci)=13nF
InternalInductance(Li)=0mH
Note1: Theoutputcurrentmustbelimitedbyaresistor“R”suchthatImaxout=Uz/R(linearsource).
Note2: SafetybarriercertiedbyNEPSIshouldbeused.
Note3: Whenusingnonisolationbarrier,connect(*)toISearthingsystem.
Note4: Sensormodule2isinstalledwhenrequired.
 Whenmeasuringinductiveconductivity,onlyonemodulecanbeinstalled.

12
IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
WARNING
Installation and wiring
TheFLXA202/FLXA21shouldonlybeusedwithequipmentthatmeetstherelevantIEC,
AmericanorCanadianstandards.Yokogawaacceptsnoresponsibilityforthemisuseofthisunit.
WARNING
Don’tinstall“generalpurposetype”instrumentsinthehazardousarea.
CAUTION
TheInstrumentispackedcarefullywithshockabsorbingmaterials,nevertheless,theinstrument
maybedamagedorbrokenifsubjectedtostrongshock,suchasiftheinstrumentisdropped.
Handlewithcare.
CAUTION
ThisinstrumentisaClassAproduct,anditisdesignedforuseintheindustrialenvironment.
Pleaseusethisinstrumentintheindustrialenvironmentonly.
CAUTION
Whenyouopenthefrontpanel,makesurethescrewsarecompletelyoutofthescrewholes,and
thenopenthefrontpanelslowlyinordernottodamagethethreadedpartsonthehousing.Ifthe
threadedpartsaredamagedandthescrewscannotbetightened,thewaterproofperformance
willdeteriorate.
CAUTION
TheHARTcommunicationmaybeinuencedbystrongelectromagneticeld.
InthiscaseanothertrialoftheHARTcommunicationand/oroperationwithFLXA202/FLXA21
touchscreencanbecarriedout.

13
IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
WARNING
• Donotuseanabrasiveororganicsolventincleaningtheinstrument.
• SubstitutionofcomponentsmayimpairsuitabilityforDivision2.
Donotremoveorreplacewhilecircuitisliveunlessareaisknowtobenonhazardous.
ExplosionHazard–Donotdisconnectequipmentunlessareaisknowntobenon
hazardous.
Donotresetcircuitbreakerunlesspowerhasbeenremovedfromtheequipmentorthearea
isknowntobenonhazardous.
WARNING
Electrostaticdischarge
TheFLXA202/FLXA21containsdevicesthatcanbedamagedbyelectrostaticdischarge.
Whenservicingthisequipment,pleaseobserveproperprocedurestopreventsuchdamage.
Replacementcomponentsshouldbeshippedinconductivepackaging.Repairworkshould
bedoneatgroundedworkstationsusinggroundedsolderingironsandwriststrapstoavoid
electrostaticdischarge.
CAUTION
Becarefultotouchtheconcentratedsulfuricacid.
l Howtodisposethebatteries:
ThisisanexplanationaboutthenewEUBatteryDirective(DIRECTIVE2006/66/EC).This
directiveisonlyvalidintheEU.
Batteriesareincludedinthisproduct.Batteriesincorporatedintothisproductcannotberemoved
byyourself.Disposethemtogetherwiththisproduct.
WhenyoudisposethisproductintheEU,contactyourlocalYokogawaEuropeB.V.ofce.Donot
disposethemasdomestichouseholdwaste.
Batterytype:Manganesedioxidelithiumbattery
Notice: Thesymbolmeanstheyshallbesortedoutandcollectedasordainedin
ANNEXIIinDIRECTIVE2006/66/EC.
l ProductDisposal:
Theinstrumentshouldbedisposedofinaccordancewithlocalandnationallegislation/regulations.

14
IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
lFor Intrinsic safety type
WARNING
Electrostaticchargemaycauseanexplosionhazard.Avoidanyactionsthatcausethegeneration
ofelectrostaticcharge,e.g.,rubbingwithadrycloth.BecausetheenclosureoftheFLXA21
2-WireAnalyzer,ifitismountedinanareawheretheuseofcategory1GZone0apparatusis
required,itmustbeinstalledsuch,that,evenintheeventofrareincidents,ignitionsourcesdue
tofrictionsparksareexcluded.
Figure 1Warning label
nWarranty and service
Yokogawaproductsandpartsareguaranteedfreefromdefectsinworkmanshipandmaterial
undernormaluseandserviceforaperiodof(typically)12monthsfromthedateofshipmentfrom
themanufacturer.
Individualsalesorganisationscandeviatefromthetypicalwarrantyperiod,andtheconditionsof
salerelatingtotheoriginalpurchaseordershouldbeconsulted.Damagecausedbywearand
tear,inadequatemaintenance,corrosion,orbytheeffectsofchemicalprocessesareexcluded
fromthiswarrantycoverage.
Intheeventofwarrantyclaim,thedefectivegoodsshouldbesent(freightpaid)totheservice
departmentoftherelevantsalesorganisationforrepairorreplacement(atYokogawadiscretion).
Thefollowinginformationmustbeincludedintheletteraccompanyingthereturnedgoods:
• Partnumber,modelcodeandserialnumber
• Originalpurchaseorderanddate
• Lengthoftimeinserviceandadescriptionoftheprocess
• Descriptionofthefault,andthecircumstancesoffailure
• Process/environmentalconditionsthatmayberelatedtothefailureofthedevice.
• Astatementwhetherwarrantyornonwarranty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.

15
IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
Returnedgoodsthathavebeenincontactwithprocessuidsmustbedecontaminated/
disinfectedbeforeshipment.Goodsshouldcarryacerticatetothiseffect,forthehealthand
safetyofouremployees.
Materialsafetydatasheetsshouldalsobeincludedforallcomponentsoftheprocessestowhich
theequipmenthasbeenexposed.
n AuthorisedRepresentativeinEEA
TheAuthorisedRepresentativeforthisproductinEEAisYokogawaEuropeB.V.(Euroweg2,
3825HDAmersfoort,TheNetherlands).
n CopyrightandTrademarkNotices
ThecopyrightsofonlinemanualcontainedintheCD-ROMarereserved.
TheonlinemanualisprotectedbythePDFsecurityfrommodication,however,itcanbeoutput
viaaprinter.Printingouttheonlinemanualisonlyallowedforthepurposeofusingtheproduct.
Whenusingtheprintedinformationoftheonlinemanual,checkiftheversionisthemostrecent
onebyreferringtotheCD-ROM’sversion.
Nopartoftheonlinemanualmaybetransferred,sold,distributed(includingdeliveryviaa
commercialPCnetworkorthelike),orregisteredorrecordedonvideotapes.
FLEXA, FLXAandSENCOMareregisteredtrademarksofYokogawaElectricCorporation.
Adobe,AcrobatandAcrobatReaderareeitherregisteredtrademarksortrademarksofAdobe
SystemsIncorporatedintheUnitedStatesand/orothercountries.
Allothercompanyandproductnamesmentionedinthisuser’smanualaretrademarksor
registeredtrademarksoftheirrespectivecompanies.
WedonotuseTMor®marktoindicatethosetrademarksorregisteredtrademarksinthisuser’s
manual.
lFLXA202/FLXA21’s fonts
(c)Copyright2000-2001/efont/TheElectronicFontOpenLaboratory.Allrightsreserved.
Redistributionanduseinsourceandbinaryforms,withorwithoutmodication,arepermitted
providedthatthefollowingconditionsaremet:
1. Redistributionsofsourcecodemustretaintheabovecopyrightnotice,thislistofconditions
andthefollowingdisclaimer.
2. Redistributionsinbinaryformmustreproducetheabovecopyrightnotice,thislistof
conditionsandthefollowingdisclaimerinthedocumentationand/orothermaterialsprovided
withthedistribution.
3. Neitherthenameoftheteamnorthenamesofitscontributorsmaybeusedtoendorseor
promoteproductsderivedfromthisfontwithoutspecicpriorwrittenpermission.
THISFONTISPROVIDEDBYTHETEAMANDCONTRIBUTORS“ASIS”ANDANY
EXPRESSORIMPLIEDWARRANTIES,INCLUDING,BUTNOTLIMITEDTO,THEIMPLIED
WARRANTIESOFMERCHANTABILITYANDFITNESSFORAPARTICULARPURPOSE
AREDISCLAIMED.INNOEVENTSHALLTHETEAMORCONTRIBUTORSBELIABLEFOR
ANYDIRECT,INDIRECT,INCIDENTAL,SPECIAL,EXEMPLARY,ORCONSEQUENTIAL
DAMAGES(INCLUDING,BUTNOTLIMITEDTO,PROCUREMENTOFSUBSTITUTEGOODS
ORSERVICES;LOSSOFUSE,DATA,ORPROFITS;ORBUSINESSINTERRUPTION)
HOWEVERCAUSEDANDONANYTHEORYOFLIABILITY,WHETHERINCONTRACT,
STRICTLIABILITY,ORTORT(INCLUDINGNEGLIGENCEOROTHERWISE)ARISINGINANY
WAYOUTOFTHEUSEOFTHISFONT,EVENIFADVISEDOFTHEPOSSIBILITYOFSUCH
DAMAGE.

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i
IM 12A01A02-20E 4th Edition : Oct. 01, 2015-00
Revision Record
lManualTitle : ModelFLXA202/FLXA212-WireAnalyzerSafetyPrecautions
lManualNo. : IM12A01A02-20E
Oct.2015/4thEdition
AdditionofFLXA202.
RegulatoryCompliance(P.4)
Apr. 2015/3rd Edition
RegulatoryCompliance(P.4)
Oct. 2014/2nd Edition
AdditionofNEPSIandATEX/IECEx(SENCOMmodule).
Sep. 2013/1st Edition
Newlypublished

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User’s
Manual
All Rights Reserved. Copyright © 2015, 7th Edition: Aug. 10, 2017 (YK)
Supplement
Model FLXA202 / FLXA21
2-Wire Analyzer
Safety Precautions
IM 12A01A02-20E 1/23
4th Edition
Thank you for selecting our FLXA202/FLXA21 2-Wire Analyzer.
Though User’s Manual, IM 12A01A02-20E 4th Edition, is provided with the product, an addition to
the manual has been made.
Please use the following contents after a reading before using the FLXA202/FLXA21.
Note
Change and addition of the mark position
(page 2) replacement
nMark position of intrinsic safety and nonincendive
The mark position is shown as follows
FLXA202-D-*-…
Type:-CB
*1: This marking conforms to Intrinsic safety of IECEx.
*2: This marking conforms to Intrinsic safety of ATEX.
*3: This marking conforms to Intrinsic safety of CSA.
*4: This marking conforms to Intrinsic safety of FM.
*5: This marking conforms to nonincendive of CSA.
*6: This marking conforms to nonincendive of FM.
*7: This marking conforms to Intrinsic safety of NEPSI.
*8: This marking conforms to Intrinsic safety of KOSHA.
Type:-CD Type:-DD Type:-CH Type:-CG
*1
*2 *4
*3
*6
*5 *7
*8