YOKOGAWA EJX110A - Page 20

<2. Handling Cautions>
19
IM01C25A01-01E
c. ATEX Intrinsically Safe for Fieldbus Type
for EJX90A
CautionforATEXIntrinsicallysafetype.
Note1. EJXmultivariabletransmitterwithoptional
code/KS26areapplicableforuseinhazardous
locations:
• No.KEMA06ATEX0278X
• ApplicableStandard:
EN60079-0:2012+A11:2013
EN60079-11:2012
Note2. Ratings
TypeofProtectionandMarkingCode:
ExiaIIC/IIBT4Ga
ExiaIIICT85°CT100°CT120°CDb
Group:II
Category:1G,2D
AmbientTemperatureforEPLGa:
–40to60°C
AmbientTemperatureforEPLDb:
–30*to60°C
 *–15°Cwhen/HEisspecied.
MaximumProcessTemperature(Tp.):120°C
MaximumSurfaceTemperatureforEPLDb.
T85°C(Tp.:80°C)
T100°C(Tp.:100°C)
T120°C(Tp.:120°C)
AmbientHumidity:
 0to100%(Nocondensation)
DegreeofProtectionoftheEnclosure:
IP66/IP67
Electrical Data
• WhencombinedwithTrapezoidalorRectanglar
outputcharacteristicFISCOmodelIICbarrier
[Supplycircuit(terminals+and-)]
Ui=17.5V,Ii=380mA,Pi=5.32W,
Ci=3.52nF,Li=0µH
[Sensorcircuit]
Uo=7.63V,Io=3.85mA,Po=0.008W,
Co=4.8µF,Lo=100mH
• WhencombinedwithLinearcharacteristicbarrier
[Supplycircuit(terminals+and-)]
Ui=24V,Ii=250mA,Pi=1.2W,
Ci=3.52nF,Li=0µH
[Sensorcircuit]
Uo=7.63V,Io=3.85mA,Po=0.008W,
Co=4.8µF,Lo=100mH
• WhencombinedwithTrapezoidalorRectanglar
outputcharacteristicFISCOmodelIIBbarrier
[Supplycircuit(terminals+and-)]
Ui=17.5V,Ii=460mA,Pi=5.32W,
Ci=3.52nF,Li=0µH
[Sensorcircuit]
Uo=7.63V,Io=3.85mA,Po=0.008W,
Co=4.8µF,Lo=100mH
Note3. Installation
• Allwiringshallcomplywithlocalinstallation
requirements.(Refertotheinstallationdiagram)
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
WARNING
• InthecasewheretheenclosureofthePressure
Transmitterismadeofaluminium,ifitismounted
inanareawheretheuseofcategory1Gapparatus
isrequired,itmustbeinstalledsuch,thatevenin
theeventofrareincidents,ignitionsourcesdueto
impactandfrictionsparksareexcluded.
• 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.
• InthecasewheretheenclosureofthePressure
Transmitterismadeofaluminum,ifitismountedin
anareawheretheuseofcategory2Dapparatusis
required,itshallbeinstalledinsuchawaythatthe
riskfromelectrostaticdischargesandpropagating
brushdischargescausedbyrapidowofdustis
avoided.
• TosatisfyIP66orIP67,applywaterproofglandsto
theelectricalconnectionport.
• Whenthelightningprotectoroptionisspecied,
theapparatusisnotcapableofwithstandingthe
500VinsulationtestrequiredbyEN60079-11.
 Thismustbetakenintoaccountwheninstalling
theapparatus.
Note6. Installationinstructions
Non-Hazardous Location
Hazardous Location
F0232.ai
Terminator
Safety Barrier
Transmitter
Pressure
Transmitter
Transmitter
+
−
+
−
+
−
Terminator
+
−
+
−
SUPPLY
RTD
Pt100.3wire
[Installation Diagram]