R911299720 / 02 | Rexroth IndraControl VCP 25 Electric Drives and Controls | Bosch Rexroth AG 7-9
Interfaces
7.1.4 RS232c (X3-SER2)
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.
7.1.4.1 Pin Assignment
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.
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