<2. Handling Cautions>
16
IM01C25A01-01E
Non-hazardous
Location Equipment
42 V DC Max.
4 to 20 mA DC
Signal
Non-Hazardous
Locations
Hazardous Locations Division 1
50 cm Max.
Sealing Fitting
Conduit
Transmitter
F0208.ai
Non-Hazardous
Locations
Hazardous Locations Division 2
Non-hazardous
Location Equipment
42 V DC Max.
4 to 20 mA DC
Signal
Sealing Fitting
Transmitter
F0209.ai
• Allwiringshallcomplywithlocalinstallation
requirements and local electrical code.
• Inhazardouslocations,thecableentrydevices
shallbeofacertiedameprooftype,suitablefor
theconditionsofuseandcorrectlyinstalled.
• Unusedaperturesshallbeclosedwithsuitable
ameproofcertiedblankingelements.(Theplug
attachedisameproofcertied.)
• WiringconnectionforoutputsignalcodeQ(Low
Powertype)shallfollowthediagrambelow.
F0219.ai
Three-Wire Connection
Pressure Transmitters
Power Supply
Voltmeter
SUPPLY
+
SUPPLY
–
A
+
–
+
–
Four-Wire Connection
Pressure Transmitters
Power Supply
Voltmeter
SUPPLY
+
SUPPLY
–
A
+
–
+
–
Note3. Operation
• WARNING:
AFTERDE-ENERGIZING,DELAY5MINUTES
BEFOREOPENING.
APRÉSPOWER-OFF,ATTENDRE5MINUTES
AVANTD'OUVRIR.
• WARNING:
WHENAMBIENTTEMPERATURE≥65°C,USE
THEHEAT-RESISTINGCABLES≥90°C.
QUANDLATEMPÉRATUREAMBIANTE≥65°C,
UTILISEZDESCÂBLESRÉSISTANTESÁLA
CHALEUR≥90°C.
• Takecarenottogeneratemechanicalsparking
whenaccessingtotheinstrumentandperipheral
devicesinahazardouslocation.
Note4. MaintenanceandRepair
• Theinstrumentmodicationorpartsreplacement
byotherthanauthorizedrepresentativeof
YokogawaElectricCorporationandYokogawa
CorporationofAmericaisprohibitedandwillvoid
CanadianStandardsExplosionproofCertication.
d. CSA Intrinsically Safe and Explosion-proof
Combination for HART/BRAIN Protocol
Type (Except for EJX90A)
EJX/EJA-ESeriespressuretransmitterswith
optionalcode/CU1or/V1U1canbeselectedthe
typeofprotection(CSAIntrinsicallySafeorCSA
Explosionproof)foruseinhazardouslocations.
Note1. Fortheinstallationofthistransmitter,oncea
particulartypeofprotectionisselected,any
othertypeofprotectioncannotbeused.The
installationmustbeinaccordancewiththe
descriptionaboutthetypeofprotectioninthis
instruction manual.
Note2. Inordertoavoidconfusion,unnecessary
markingiscrossedoutonthelabelother
thantheselectedtypeofprotectionwhenthe
transmitter is installed.
2.4.3 ATEXCertication
(1) Technical Data
a. ATEX Intrinsically Safe for HART/BRAIN
Protocol Type (Except for EJX90A)
CautionforATEXIntrinsicallysafetype.
Note1. EJX/EJA-ESeriespressuretransmitterswith
optionalcode/KS21forpotentiallyexplosive
atmospheres.
• No.DEKRA11ATEX0228X
• ApplicableStandard:
EN60079-0:2012+A11:2013
EN60079-11:2012