YOKOGAWA EJX Series User Manual

  <2.HandlingCautions>
9
IM01C25A01-01E
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"orNonincendive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barreirusedoutputcurrentmust
belimitedbyaresistor'R'suchthatIo=Uo/Ror
Isc=Voc/R.
• ThesafetybarriermustbeCSAcertied.
• Inputvoltageofthesafetybarriermustbeless
than250Vrms/Vdc.
• InstallationshouldbeinaccordancewithCanadian
ElectricalCodePartIandLocalElectricalCode.
• Dust-tightconduitsealmustbeusedwhen
installedinClassIIandIIIenvironments.
• 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Intrinsicallysafeand
nonincendiveCertication.
F0206.ai
Class I, II, III, Division 1,
Groups A, B, C, D, E, F, G
Pressure Transmitters
Safety Barrier
Supply
Hazardous Location Nonhazardous Location
General
Purpose
Equipment
+
–
+
–
+
–
+
–
[Intrinsically Safe]
Group IIC, Zone 0
F0207.ai
Pressure Transmitters
Supply
Hazardous Location Nonhazardous Location
+
–
+
–
Class I, II, Division 2,
Groups A, B, C, D, F, G
Class III, Division 1.
Not Use
Safety Barrier
[Nonincendive]
CSA Certified
Equipment
([nL] or
nonincendive)
Group IIC, Zone 2
b. CSAExplosionproofType
CautionforCSAexplosionprooftype.
Note1. ModelEJX/EJA-ESeriespressuretransmitters
withoptionalcode/CF1areapplicableforusein
hazardouslocations:
• Certicate:2014354
• ApplicableStandard:C22.2No.0,
C22.2No.0.4,C22.2No.0.5,C22.2No.25,
C22.2No.30,C22.2No.94,C22.2No.61010-1,
C22.2No.60079-0,C22.2No.60079-1
• Explosion-proofforClassI,GroupsB,CandD.
• Dustignition-proofforClassII/III,GroupsE,Fand
G.
• Enclosure:TYPE4X
• TemperatureCode:T6...T4
• 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)
 *–15°Cwhen/HEisspecied.
• SupplyVoltage:42Vdcmax.
• OutputSignal:4to20mAdc
Note2. Wiring
• AllwiringshallcomplywithCanadianElectrical
CodePartIandLocalElectricalCodes.
• Inhazardouslocation,wiringshallbeinconduitas
showninthegure.
• WARNING:
 ASEALSHALLBEINSTALLEDWITHIN50cmOF
THEENCLOSURE.
 UNSCELLEMENTDOITÊTREINSTALLÉÀ
MOINSDE50cmDUBOÎTIER.
• WARNING:
 WHENINSTALLEDINCL.I,DIV2,SEALNOT
REQUIRED.
 UNEFOISINSTALLÉDANSCLI,DIV2,AUCUN
JOINTN'ESTREQUIS.
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
SUPPLY
PULSE
CHECK
ALARM
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
SUPPLY
PULSE
CHECK
ALARM
Transmitter
F0209.ai
HandlingCautions
2

YOKOGAWA EJX Series Specifications

General

Brand	YOKOGAWA
Model	EJX Series
Category	Transmitter
Language	English