Beckhoff CX9020 Instrukcja Użytkownika Pobierz pdf (Strona 19)

Mountingandwiring

3.4 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labeled“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500V

rms

.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.

Requirementsforthe24Vpowersupply

Thepowersupplymustbecapabletosupply4Aat24VtoguaranteeproperfunctionofCPUCX9020

moduleandterminals.

CX9020 19Version1.1

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Beckhoff CX9020 Instrukcja Użytkownika Strona 19