YOKOGAWA EJX Series User Manual

  <5.Wiring>
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IM01C25A01-01E
5.3.2 WiringInstallation
(1) General-useTypeandIntrinsicallySafe
Type
Withthecablewiring,useametallicconduitorwaterproof
glands.
• Applyanon-hardeningsealanttotheterminalbox
connectionportandtothethreadsontheexible
metalconduitforwaterproong.
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Flexible metal conduit
Wiring metal
conduit
Tee
Drain plug
Apply a non-hardening
sealant to the threads for
waterproofing.
Figure5.10 TypicalWiringUsingFlexibleMetal
Conduit
(2) FlameproofType
Wirecablesthroughaameproofpackingadapter,oruse
aameproofmetalconduit.
 Wiringcablethroughameproofpackingadapter.
• Applyanon-hardeningsealanttotheterminalbox
connectionportandtothethreadsontheameproof
packingadapterforwaterproong.
Flameproof packing
adapter
Flexible metal conduit
Wiring metal
conduit
Tee
Drain plug
Apply a non-hardening
sealant to the threads for
waterproofing.
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Figure5.11 TypicalCableWiringUsingFlameproof
PackingAdapter
 Flameproofmetalconduitwiring
• Asealttingmustbeinstalledneartheterminalbox
connectionportforasealedconstruction.
• Applyanon-hardeningsealanttothethreadsofthe
terminalboxconnectionport,exiblemetalconduit
andsealttingforwaterproong.
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Non-hazardous area
Hazardous area
Flameproof
heavy-gauge
steel conduit
Tee
Drain plug
Seal fitting
Gas sealing device
Flameproof flexible
metal conduit
Apply a non-hardening
sealant to the threads of
these fittings for
waterproofing
After wiring, impregnate the fitting
with a compound to seal tubing.
Figure5.12 TypicalWiringUsingFlameproofMetal
Conduit
5.4 RTDCableConnection
(EJX910A/EJX930A)
ConnectionoftheRTDcableisalwaysrequiredto
measureexternaltemperature.Followtheprocedures
belowtoconnectacablewhenacableglandoraconduit
isused.
5.4.1 ConnectingShieldedCablewith
CableGland(Externaltemperature
inputcode:-1,-2,-3,and-4)
• RTDconnectioncomponents:EJXmultivariable
transmitter,twocableglands,andRTDcable.
Twocableglandsareattached.
Transmitter
Cable gland
Electrical connection
RTD cable
with connector
Detail of connector
F0514.ai
YLPPUS
E
SL
UP
KCEHC
MRALA
• MagniedviewoftheRTDconnectorinthe
transmitter'sterminalbox.
SUPPLY
PULSE
CHECK
ALARM
SUPPLY
PULSE
CHECK
ALARM
Protection Cap Connecting Port
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TheRTDcableconnectingportiscoveredwithacapto
keepoutdust.Thecapshouldnotberemoveduntilyou
arereadytoinstallthecable.
Wiring
5

YOKOGAWA EJX Series Specifications

General

Brand	YOKOGAWA
Model	EJX Series
Category	Transmitter
Language	English