R911299726 / 02 | Rexroth IndraControl VCP 05 Electric Drives and Controls | Bosch Rexroth AG 7-5
Interfaces
7.1.1.2 Termination
Pin Designation Function
10 T+ Transmitted Data, Positive Polarity
12 S1+ Power Source 1, Positive Polarity
13 R+ Received Data, Positive Polarity
14 R- Received Data, Negative Polarity
16 S2+ Power Source 2, Positive Polarity
19 T- Transmitted Data, Negative Polarity
21 S1- Current Sink 1, Negative Polarity
24 S2- Current Sink 2, Negative Polarity
Fig. 7-5: Pin assignment TTY / 20 mA, active
The D-SUB connector strips must be shielded sufficiently. See chapter
“Shielding D-SUB Connectors“ on page 7-22.
When channel SER1 is operated as a current loop, the termination for
the RS485 must be OFF.
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