Termination; Fig. 7-8: Block Diagram Termination Rs422 / Rs485; Fig. 7-9: Resistance Values Termination Rs422 / Rs485; Fig. 7-10: Termination Switch - Bosch Rexroth IndraControl VCP 08.2 Project Planning Manual

7-6 Bosch Rexroth AG | Electric Drives and Controls
Interfaces

7.2.1.2 Termination

For point-to-point connections, always activate the termination. For
multi-point connections, only activate the termination at the cable end.

Fig. 7-8: Block diagram termination RS422 / RS485

Designation Value
R1, R3 510 Ohm
R2 150 Ohm
R4 120 Ohm

Fig. 7-9: Resistance values termination RS422 / RS485

The switch positions for ON or OFF are printed onto the termination
switch. Only the specified switch positions are permitted.
S1 S2 S3
Transmitter Receiver
I I I
– – –

Fig. 7-10: Termination switch

Legend for table:
I = Switch ON
- = Switch OFF
Rexroth IndraControl VCP 08 | R911310379 / 02
S4 Function
I Termination is ON
– Termination is OFF