YOKOGAWA EJX Series - 2.4 ATEX Certification

  <2.HandlingCautions>
10
IM01C25A01-01E
• Allwiringshallcomplywithlocalinstallation
requirementsandlocalelectricalcode.
• 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.(Theplug
attachedisameproofcertied.)
Note3. Operation
• WARNING:
 AFTERDE-ENERGIZING,DELAY5MINUTES
BEFOREOPENING.
 APRÉSPOWER-OFF,ATTENDRE5MINUTES
AVANTD'OUVRIR.
• WARNING:
 WHENAMBIENTTEMPERATURE≥65°C,USE
THEHEAT-RESISTINGCABLES≥90°C.
 QUANDLATEMPÉRATUREAMBIANTE≥65°C,
UTILISEZDESCÂBLESRÉSISTANTESÁLA
CHALEUR≥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andYokogawa
CorporationofAmericaisprohibitedandwillvoid
CanadianStandardsExplosionproofCertication.
c. CSAIntrinsicallySafeType/CSA
ExplosionproofType
ModelEJX/EJA-ESeriespressuretransmitterswith
optionalcode/CU1or/V1U1canbeselectedthe
typeofprotection(CSAIntrinsicallySafeorCSA
Explosionproof)foruseinhazardouslocations.
Note1. Fortheinstallationofthistransmitter,oncea
particulartypeofprotectionisselected,any
othertypeofprotectioncannotbeused.The
installationmustbeinaccordancewiththe
descriptionaboutthetypeofprotectioninthis
instructionmanual.
Note2. Inordertoavoidconfusion,unnecessary
markingiscrossedoutonthelabelother
thantheselectedtypeofprotectionwhenthe
transmitterisinstalled.
2.4.3 ATEXCertication
(1) TechnicalData
a. ATEXIntrinsicallySafeType(Exceptfor
EJX90A)
CautionforATEXIntrinsicallysafetype.
Note1. ModelEJX/EJA-ESeriespressuretransmitters
withoptionalcode/KS21forpotentially
explosiveatmospheres:
• No.DEKRA11ATEX0228X
• ApplicableStandard:
EN60079-0:2009,EN60079-11:2007,
EN60079-26:2007,EN61241-11:2006
• TypeofProtectionandMarkingcode:
ExiaIICT4Ga
 ExiaIIICT85ºCT100ºCT120ºCDb
• Group:II
• Category:1G,2D
• AmbientTemperatureforEPLGa:
–50to60°C
• AmbientTemperatureforEPLDb:
–30*to60°C
*–15°Cwhen/HEisspecied.
• ProcessTemperature(Tp.):120°Cmax.
• MaximumSurfaceTemperatureforEPLDb:
T85°C(Tp.:80°C)
T100°C(Tp.:100°C)
T120°C(Tp.:120°C)
• Enclosure:IP66/IP67
Note2 ElectricalData
• IntypeofexplosionprotectionintrinsicsafetyExia
IICorExiaIIIC,onlyforconnectiontoacertied
intrinsicallysafecircuitwithfollowingmaximum
values:
 Ui=30V
 Ii=200mA
 Pi=0.9W
 (LinearSource)
 Maximuminternalcapacitance;Ci=27.6nF
 Maximuminternalinductance;Li=0µH
Note3. Installation
• Refertothecontroldrawing.Allwiringshallcomply
withlocalinstallationrequirements.
Transmitter
Supply
Safety Barrier
*1
Nonhazardous Location
[Control Drawing]
Hazardous Location
+
–
+
–
F0210.ai
 *1:Inanysafetybarriersusedtheoutputcurrentmustbe
limitedbyaresistor“R”suchthatIo=Uz/R.
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DEKRAIntrinsicallysafeCertication.
Note5. SpecialConditionsforSafeUse