CN2
CN1
SW1
Fig. 11-1: Configuring the extension modules RS-422/RS-485
Pin
Description
1-2
RS-422 master
2-3
RS-485/RS-422 slave (default setting)
Tab. 11-1: Master and slave settings of RS-422 and RS-485 at CN2
Terminating resistor
Switch positions
120 ohms
1(D+/-) on
2(RX+/-) on
3,4 off
300 ohms
3(D+/-) on
4(RX+/-) on
1,2 off
Tab. 11-2: Terminating resistor settings of RS-422 and RS-485 at SW1
IndraControl PR31 and VR31 Control
cabinet PC and panel PC
39/53
Commissioning
R911397433_Edition 02 Bosch Rexroth AG