Emerson El-O-Matic ELQ Series - Connecting Control Signals; Open and Close Signal Connections

TM
11
Installation Operation & Maintenance manual ELQ
DOC.55.EDN Rev: E
October 2012
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TX
24 V DC
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5 CONNECTING CONTROL SIGNALS
TheELQ-actuatorhasaterminalcompartmentwitha
plugconnectorforcontrolsignals.
Allcontrolsignalscanbeconnectedtotheterminals
insidethiscompartment.Incaseofmaintenanceor
replacementofthevalve/actuatorunit,theterminal
compartmentcanbeunpluggedfromtheELQ-actu-
atorandpluggedintoanotheractuator.Youdonot
needtoreconnectallthecontrolwiring.
Note
- Beforeconnectingthepowersupplyconnect
alloptionsproperly(seeoptioninstructions).
- Useandmountcableglandsasrequiredby
nationalorlocallegislation.
- WhenIP65,IP67orNEMA4Xingressprotec-
tionisrequired,theelectricalentriesmustbe
ttedwithequivalentorhigherratedglands
orblindplugs.
ATEX Installation instructions
 Seechapter1.2and1.3foruseofFlame-
proofELQactuatorsinATEXclassied
hazardousareas.
Warning
 Terminalcompartmentmustbeelectronically
isolatedbeforeanydisassemblyisbegun.
5.1 Connecting “Open” and “Close” con-
trol signals
A24VDCsignalat1and3openstheactuator.A
signalat2and3closestheactuator.
Nosignal(orasignalatboth),theactuatorstops.
5.01 Terminal compartment
close open
5.1.1 Connecting “Open” and “Close” control signals