YOKOGAWA EJX110A - Page 26

<2. Handling Cautions>
25
IM01C25A01-01E
Note2. ElectricalData
MaximumInputVoltage(Ui)=30V
MaximumInternalCapacitance(Ci)=27.6nF
MaximumInternalInductance(Li)=0μH
Note3. Installation
• Thepressuretransmitterisallowedtobeinstalled
in“nL”systems,onconditionthattheoutput
parametersof“nL”source(associatedenergy-
limitedapparatus)aresuitabletotheabove
mentionedinputparametersofthepressure
transmitterandthecableparameters.
• Cableglands,adaptersand/orblankingelements
shallbeofEx“n”,Ex“e”orEx“d”andshallbe
installedsoastomaintainthespecieddegreeof
protectionoftheequipment.
• Theinstrumentmodicationorpartsreplacement
byotherthanauthorizedrepresentativeof
YokogawaElectricCorporationisprohibitedand
willvoidIECExcertication.
F0237.ai
EJX/EJA-E Series
Pressure Transmitters
Associated apparatus
Supply
Hazardous Location Nonhazardous Location
+
–
+
–
[Ex ic]
Note4. SpecicConditionofUse
WARNING
• Electrostaticchargemaycauseanexplosion
hazard.Avoidanyactionsthatcausethe
generationofelectrostaticcharge,suchasrubbing
withadryclothoncoatingfaceoftheproduct.
• Theapparatusisnotcapableofdielectricstrength
testsrequiredbyIEC60079-11.
Thismustbetakenintoaccountwheninstalling
theapparatus.
c. IECEx Intrinsically Safe Ex ia for Fieldbus
Type (Except for EJX90A)
CautionforIECExIntrinsicallysafeExia.
Note1. EJX/EJA-ESeriespressuretransmitterswith
optionalcode/SS26areapplicableforusein
hazardouslocations.
• No.IECExDEK12.0016X
• ApplicableStandard:IEC60079-0:2011,
IEC60079-11:2011,IEC60079-26:2006
• ExiaIIC/IIBT4Ga
• AmbientTemperature:–40to60°C
• Max.ProcessTemp.:120°C
Note2. ElectricalData
• Intrinsicallysaferatingsareasfollows:
[Entity]
 MaximumInputVoltage(Ui)=24V
 MaximumInputCurrent(Ii)=250mA
 MaximumInputPower(Pi)=1.2W
 MaximumInternalCapacitance(Ci)=3.52nF
 MaximumInternalInductance(Li)=0μH
[FISCOIIC]
 MaximumInputVoltage(Ui)=17.5V
 MaximumInputCurrent(Ii)=380mA
 MaximumInputPower(Pi)=5.32W
 MaximumInternalCapacitance(Ci)=3.52nF
 MaximumInternalInductance(Li)=0μH
[FISCOIIB]
 MaximumInputVoltage(Ui)=17.5V
 MaximumInputCurrent(Ii)=460mA
 MaximumInputPower(Pi)=5.32W
 MaximumInternalCapacitance(Ci)=3.52nF
 MaximumInternalInductance(Li)=0μH
Note3. Installation
Non-Hazardous Location
Hazardous Location
F0238.ai
Terminator
Safety Barrier
Field Instruments
Pressure
Transmitter
Field Instruments
+
–
+
–
+
–
Terminator
+
–
+
–
[Ex ia]
• Intherating1(*1),theoutputcurrentofthebarrier
mustbelimitedbyaresistor‘Ra’suchthatIo=Uo/
Ra.
• Intherating2(*2),theoutputofthebarriermustbe
thecharacteristicsofthetrapezoidortherectangle
andthistransmittercanbeconnectedtoFieldbus
equipmentwhichareinaccordingtotheFISCO
model.
• Theterminatorsmaybebuiltinbyabarrier.
• Morethanonetransmittermaybeconnectedto
thepowersupplyline.
• Theterminatorandthesafetybarriershallbe
certied.