Beckhoff CX210009x4 Manual do Utilizador descarregar pdf (Página 34)

Mountingandwiring

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safelyand

permanently.

Wirecrosssection 0,5...2.5mm

AWG20..AWG14

Strip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”.

PEpowercontacts

Attention

Powercontact“PE”

The“PE”powercontactmustnotbeusedforotherpotentials.“PE”and“0V”(24Vsystem

supply)mustbeatthesamepotential(connectedinthecontrolcabinet).Thecablinginthe

controlcabinetmustbedoneinaccordancewiththestandardEN602041:2006PELV=

ProtectiveExtraLowVoltage.EN602041:2006section6.4.1:b:onesideofthecircuitor

onepointoftheenergysourceofthiscircuitmustbeconnectedtotheprotectiveconductor

system.

Attention

Interruptionofthepowersupply/switchingoff

Thedevicemaynotbeswitchedoffbydisconnectingtheground.The24Vlinemustal

waysbedisconnected,asotherwisecurrentmaycontinuetoflowviathescreendepending

onthedevice.Anyconnecteddeviceswiththeirownpowersupply(e.g.apanel)musthave

thesamepotentialfor“PE”and“GND”astheCXsystem(nopotentialdifference).Other

wisedamagecanoccurbothtothecontrollerandtotheperiphery.

CX210009x434 Version1.1

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Beckhoff CX2100­09x4 Manual do Utilizador Página 34