7-8
Bosch Rexroth AG | Electric Drives and Controls
Interfaces
7.2.3
RS232 (X6-SER2)
7.2.3.1 Pin Assignment
As this interface is not galvanically isolated, it should only be used for a
scanner or a logging printer.
Fig. 7-13: 25 pin D-SUB female connector
Connector in the small operator terminal: 25 pin D-SUB female con-
nector strip
Pin Designation Function
1
Low-Noise Ground
2
TD
Transmitted Data
3
RD
Received Data
4
RTS
Request to Send
5
CTS
Clear to Send
7
SGND
Signal Ground
20
DTR
Data Transfer Request
Fig. 7-14: Pin assignment of the RS232 interface
The D-SUB connector strips must be shielded sufficiently. See chapter
"Shielding D-SUB Connectors" on page 7-15.
Rexroth IndraControl VCP 25.2 | R911310386 / 02