1 2 3 4 5
6 7 8 9
Fig. 9-10: Pin assignment RS-422/485, 9-pin, male
Pin
RS-422
RS-485
1
Tx-
Data-
2
Tx+
Data+
3
Rx+
–
4
Rx-
–
5
GND
GND
6
RTS-
–
7
RTS+
–
8
CTS+
–
9
CTS-
–
Tab. 9-3: Pin assignment RS-422/485, 9-pin, male
RS-232, electrically isolated
The RS-232 interfaces are two electrically galvanically isolated interfaces that
are connected internally to the PC via the USB2.0 host.
Fig. 9-11: Optional extension module, RS-232, electrically isolated
1 2 3 4 5
6 7 8 9
Fig. 9-12: Pin assignment RS-232, 9-pin, male
18/53
Interfaces
IndraControl PR31 and VR31 Control
cabinet PC and panel PC
Bosch Rexroth AG R911397433_Edition 02
