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Mountingandwiring

3.10 RS232connections(CX20x0N030)

TheCX20x0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6:PinassignmentoftheCOMinterface

PIN Signal Type Description

1 DCD Signalin DataCarrierDetected

2 RxD Signalin ReceiveData

3 TxD Signalout TransmitData

4 DTR Signalout DataTerminalReady

5 GND Ground Ground

6 DSR Signalin DatasetReady

7 RTS Signalout RequesttoSend

8 CTS Signalin CleartoSend

9 RI Signalin RingIndicator

CX2020,CX2030,CX204032 Version1.2

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Beckhoff CX2020 Manual do Utilizador Página 32