R911299720 / 02 | Rexroth IndraControl VCP 25
Interfaces
7.1.4
RS232c (X3-SER2)
7.1.4.1 Pin Assignment
Electric Drives and Controls | Bosch Rexroth AG
The interface is only designed to be used for downloads, uploads, a
scanner or a logging printer because the interface is not electrically iso-
lated.
Fig. 7-13: 25-pin D-SUB female connector strip
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 RS232c interface
The D-SUB connector strips must be shielded sufficiently. See chapter
„Shielding D-SUB Connectors" on page 7-23.
7-9