Beckhoff CX51x0 Instrukcja Użytkownika Pobierz pdf (Strona 32)

Mountingandwiring

4.4 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“0”V.

TheCXsystemissuppliedwith24VDC(15%/+20%)viatheinternalbusandtheBusTerminals.The

dielectricstrengthofthepowersupplyunitis500V

rms

.Sincetheinternalbusintheterminals(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.

Requirementsforthe24Vpowersupply

InordertoguaranteetheoperationoftheCPU(CX51x0module)andtheterminalstrandinallcases,the

powersupplymustsupply4Aat24V.

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Beckhoff CX51x0 Instrukcja Użytkownika Strona 32