
Mountingandwiring
3.10 RS232connections(CX20x0N030)
TheCX20x0N030systeminterfaceprovidesanRS232interface,COM1(X300).Itisimplementedona9
poleSubDpinstrip.IfmorethanoneinterfaceisrequiredthesystemcanbeextendedviatheTerminalBus
(KorEbus)orBusTerminals(KL/EL6001)whichprovideserialinterfaces.Thepinassignmentisshownat
thebottomofthepage.
Themaximumbaudrateonbothchannelsis115kbit.Theinterfaceparametersaresetviatheoperating
systemorfromthePLCprogram.
RS232COMinterface(connector)
Table6:PinassignmentoftheCOMinterface
PIN Signal Type Description
1 DCD Signalin DataCarrierDetected
2 RxD Signalin ReceiveData
3 TxD Signalout TransmitData
4 DTR Signalout DataTerminalReady
5 GND Ground Ground
6 DSR Signalin DatasetReady
7 RTS Signalout RequesttoSend
8 CTS Signalin CleartoSend
9 RI Signalin RingIndicator
CX2020,CX2030,CX204032 Version1.2
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