Festo CPX-CEC Guia De Inicio Rapido página 23

3.5 Pin allocation of the RS232 interface
(CPX−CEC)
The CPX−CEC features an RS232 interface for connecting an
operator unit type FED or for operating third−party devices.
When using third−party devices, data communication must
be programmed by the user.
Socket
Festo P.BE−K−CPX−CEC 1004a English
Pin Signal
1 n.c.
2 RxD
3 TxD
4 n.c.
5 GND
6 n.c.
7 n.c.
8 n.c.
9 n.c.
Screen Screened
Explanation
Not connected
Received data
Transmitted data
Not connected
Data reference potential
Not connected
Not connected
Not connected
Not connected
Connection to functional
earth
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