R911310381 / 02 | Rexroth IndraControl VCP 20 Electric Drives and Controls | Bosch Rexroth AG 7-13
Interfaces
7.3.2.1 Pin Assignment
Fig. 7-22: 9-pin D-SUB female connector strip
Connector in the small operator terminal: 9-pin D-SUB female connec-
tor strip
7.3.2.2 Cable
Pin Designation Function
1 nc Not Connected
2 nc Not Connected
3 RxD/TxD-P Received Data / Transmitted Data Plus
4 CNTR-P Repeater Control Signal Plus
5 DGND Data Transmission Potential
6 VP Supply Voltage of Terminators Plus
7 nc Not Connected
8 RxD/TxD-N Received Data / Transmitted Data Minus
9 CNTR-N Repeater Control Signal Minus
Fig. 7-23: Pin assignment PROFIBUS DP
The D-SUB connector strips must be shielded sufficiently. See chapter
„Shielding D-SUB Connectors“ on page 7-15.
Any PROFIBUS DP-approved cables specified in the EN 50170 as ca-
ble type A can be used.
Parameter Value
Wave Impedance 136 to 165 Ohm
Capacitance Per Unit
Length
< 30 pf/m
Loop Impedance 110 Ohm/km
Wire Diameter 0.64 mm (0.002")
Fig. 7-24: Cable characteristics PROFIBUS
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