Beckhoff CX210000x4 Manuale Utente Scaricare il pdf (Pagina 29)

Mountingandwiring

4.2 Commissioning

4.2.1 Powersupply

ThispowersupplyunitisequippedwithanI/Ointerface,whichpermitsconnectionoftheBeckhoffBus

Terminals.Thepowerissuppliedviatheupperspringloadedterminalslabelled“24V”and“0V”.

ThesupplyvoltagesuppliestheCXsystemanttheterminalBusandBusTerminalwithavoltageof24VDC

(15%/+20%).Thedielectricstrengthofthepowersupplyunitis500V

eff

.SincetheTerminalBus(KandE

bus)onlytransfersdata,aseparatepowersupplyisrequiredfortheBusTerminals.Thisisprovidedby

meansofthepowercontacts,whicharenotconnectedtothepowersupply.

CX2100004:

CX2100014:

Requirementsforthe24Vpowersupply

InordertoguaranteetheoperationoftheCPU(CX20x0module)andtheterminalstrandinallcases,the

powersupplymustsupply4Aat24V.

CX210000x4 29Version1.0

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Beckhoff CX2100­00x4 Manuale Utente Pagina 29