Beckhoff CX9020 Manuel d'utilisateur télécharger pdf (Page 20)

Mountingandwiring

Theterminalsareimplementedinspringforcetechnology.Connectthecablesasfollows:

1. Openaspringloadedterminalbyslightlypushingwithascrewdriverorarodintothesquareopening

abovetheterminal.

2. Thewirecannowbeinsertedintotheroundterminalopeningwithoutanyforce.

3. Theterminalclosesautomaticallywhenthepressureisreleased,holdingthewiresecurelyand

permanently.

Wiresizewidth 0.5...2.5mm

AWG20..AWG14

Wirestrippinglength 8...9mm 0.33inch

LED

Ifthepowersupplyunitisconnectedcorrectlyandthepowersupplyisswitchedon,thetwoupperLEDsin

theterminalprismaregreen.TheleftLED(Us)indicatestheCPUsupply.TherightLED(Up)indicatesthe

terminalsupply.TheotherLEDsindicatetheTerminalBusstatus.AdetaileddescriptionoftheLEDscanbe

foundinsection"LEDtroubleshooting".

ULrequirements

DANGER

ComplianceoftheULrequirements

ForthecomplianceoftheULrequirementstheCXControllersshouldonlybesuppliedbya

24VDCsupplyvoltage,suppliedbyanisolatingsourceandprotectedbymeansofafuse

(inaccordancewithUL248),ratedmaximum4Amp.bya24VDCpowersource,thathasto

satisfyNECclass2.ANECclass2powersupplyshallnotbeconnectedinseriesorparal

lelwithanother(class2)powersource!ThisULrequirementsarevalidforallsupplyvolt

agesoftheCXControllers!

DANGER

ComplianceoftheULrequirements

TomeettheULrequirements,theCXControllersmustnotbeconnectedtounlimited

powersources!

CX902020 Version1.1

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Beckhoff CX9020 Manuel d'utilisateur Page 20