Pin
RS-422
RS-485
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
Pin
RS-232
1
DCD
2
RXD
3
TXD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
Tab. 9-4: Pin assignment RS-232, 9-pin, male
IndraControl PR4 and VR4 Control cabi-
net PC and panel PC
19/57
Interfaces
R911384699_Edition 03 Bosch Rexroth AG