
Wiring
OperatingManualPSSuEFAII(T)(R)
21981EN05
21
6 Wiring
6.1 Generalwiringguidelines
Pleasenote:
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Thesupplyvoltagesforactuatorsandsensorsmustbeextralowvoltageswithprotect
iveelectricalseparation(PELVorSELV)inaccordancewithVDE0100,Part410.Fail
uretodosocouldresultinelectricshock.
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Werecommendthatyouuseshieldedsignallines.
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OnbasemoduleswithCrail:
– ConnecttheshieldtotheterminalsontheCrail.
– ConnecttheCrailwithlowimpedancetothefunctionalearth.
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OnbasemoduleswithoutCrail:
– Connecttheshieldasshownintheterminalconfigurationsection.
Themoduleconnectstheshieldtothemountingrail.
– Connectthemountingrailtothefunctionalearthviaanearthingterminal.
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InenvironmentswithstrongEMCinterference,basemoduleswithoutaCrailprovide
betterprotectioniftheshieldisconnected.
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Usecopperwiring.
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TheterminalconfigurationasstatedonthefrontplateappliesforbasemoduleswithC
rail.Theterminalconfigurationasstatedinthetechnicaldocumentationappliesforall
otherbasemodules.
6.1.1 Mechanicalconnectionofthebasemodules
Procedure:
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Useaflatbladescrewdriver(DIN5264A)!
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Stripthewireback8mm.
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Ifnecessary,labeltheconnectionlevelwithacolourmarker[3].
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Basemodulewithscrewterminals:
– Useascrewdrivertoloosenthescrewonthescrewterminal[1]
– Insertthestrippedcableintotheroundfixinghole[2],asfarasitwillgo.
– Tightenupthescrewonthescrewterminal.
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