Beckhoff CX9020 Manuel d'utilisateur télécharger pdf (Page 28)

Mountingandwiring

3.10 RS232connections(CX9020N030)

TheCX9020N030systeminterfaceprovidesanRS232interface,COM1(X300).Itisimplementedona9

poleSubDpinstrip.IfmorethanoneinterfaceisrequiredthesystemcanbeextendedviatheTerminalBus

(KorEbus)orBusTerminals(KL/EL6001)whichprovideserialinterfaces.Thepinassignmentisshownat

thebottomofthepage.

Themaximumbaudrateonbothchannelsis115kbit.Theinterfaceparametersaresetviatheoperating

systemorfromthePLCprogram.

RS232COMinterface(connector)

Table4:PinassignmentoftheCOMinterface

PIN Signal Type Description

2 RxD Signalin ReceiveData

3 TxD Signalout TransmitData

5 GND Ground Ground

7 RTS Signalout ReadytoSend

8 CTS Signalin CleartoSend

CX902028 Version1.1

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Beckhoff CX9020 Manuel d'utilisateur Page 28