Owner manual

  <2.HandlingCautions>
15
IM01C25A01-01E
• ExiaIICT4,ExnLIICT4
• AmbientTemperature:–50to60°C
• Max.ProcessTemp.:120°C
• Enclosure:IP66/IP67
Note2. EntityParameters
• Intrinsicallysaferatingsareasfollows:
MaximumInputVoltage(Vmax/Ui)=30V
MaximumInputCurrent(Imax/Ii)=200mA
MaximumInputPower(Pmax/Pi)=0.9W
MaximumInternalCapacitance(Ci)=10nF
MaximumInternalInductance(Li)=0µH
• Type"n"ratingsareasfollows:
MaximumInputVoltage(Vmax/Ui)=30V
MaximumInternalCapacitance(Ci)=10nF
MaximumInternalInductance(Li)=0µH
• InstallationRequirements
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.
Note3. Installation
• Inanysafetybarrierusedoutputcurrentmustbe
limitedbyaresistor'R'suchthatIo=Uo/R.
• ThesafetybarriermustbeIECExcertied.
• Inputvoltageofthesafetybarriermustbeless
than250Vrms/Vdc.
• Theinstrumentmodicationorpartsreplacement
byotherthanauthorizedrepresentativeof
YokogawaElectricCorporationandwillvoidIECEx
Intrinsicallysafeandtypencertication.
F0216.ai
EJX Series Pressure
Transmitters
IECEx certified
Safety Barrier
Supply
Hazardous Location Nonhazardous Location
General
Purpose
Equipment
+
–
+
–
+
–
+
–
[Intrinsically Safe]
Group IIC, Zone 0
F0217.ai
EJX Series Pressure
Transmitters
Supply
Hazardous Location Nonhazardous Location
+
–
+
–
Not Use
Safety Barrier
[type n]
IECEx Certified
Equipment [nL]
EJX Series Pressure
Transmitters
Group IIC, Zone 2
b. IECExFlameproofType
CautionforIECExameprooftype.
Note1. ModelEJX/EJA-ESeriespressuretransmitters
withoptionalcode/SF2or/SU2areapplicable
foruseinhazardouslocations:
• No.IECExCSA07.0008
• ApplicableStandard:IEC60079-0:2004,
IEC60079-1:2003
• FlameproofforZone1,ExdIICT6...T4
• Enclosure:IP66/IP67
• MaximumProcessTemperature:120°C(T4),
100°C(T5),85°C(T6)
• AmbientTemperature:–50to75°C(T4),
–50to80°C(T5),–50to75°C(T6)
• SupplyVoltage:42Vdcmax.
• OutputSignal:4to20mAdc
Note2. Wiring
• Inhazardouslocations,thecableentrydevices
shallbeofacertiedameprooftype,suitablefor
theconditionsofuseandcorrectlyinstalled.
• Unusedaperturesshallbeclosedwithsuitable
ameproofcertiedblankingelements.
Note3. Operation
• WARNING:
AFTERDE-ENERGIZING,DELAY5MINUTES
BEFOREOPENING.
• WARNING:
 WHENAMBIENTTEMPERATURE≥65°C,USE
THEHEAT-RESISTINGCABLES≥90°C.
• Takecarenottogeneratemechanicalsparking
whenaccessingtotheinstrumentandperipheral
devicesinahazardouslocation.
Note4. MaintenanceandRepair
• Theinstrumentmodicationorpartsreplacement
byotherthanauthorizedrepresentativeof
YokogawaElectricCorporationisprohibitedand
willvoidIECExCertication.
2.5 EMCConformityStandards
EN61326-1ClassA,Table2(foruseinindustrial
locations)
EN61326-2-3
CAUTION
TomeetEMCregulations,Yokogawarecommends
thatcustomersrunsignalwiringthroughmetal
conduitsoruseshieldedtwisted-paircablingwhen
installingEJX/EJA-ESeriestransmittersinaplant.
HandlingCautions
2