Rs232 Connector Pinout - Siemens Simatic VS 710 Quick Reference Manual

Quick Reference Guide
2.8

RS232 Connector Pinout

Use the RS232 interface to connect the VS 710 to your programming
device / PC. The RS232 connector on the VS 710 is a shielded 9-pin
subminiature D connector.
The RS232 connector has the following pinout:
9-pin subminiature D connector
9 8 7 6
5 4 3 2 1
Figure 15 RS232 Connector
Pin
1
2
3
4
5
6
7
8
9
Shield
The serial port is a fully-fledged RS232 interface. The ground pin is
referenced to the internal ground. The interface is configured as a COM1
port and can be addressed as such. The maximum line length is 10 m with a
transmission rate of 115 Kbps.
SIMATIC VS 710
A5E00032597-02
SIMATIC VS710
Signal
DCD (data carrier detect)
RXD (receive data)
TXD (transmit data)
DTR (data terminal ready)
Ground
DSR (data set ready)
RTS (request to send)
CTS (clear to send)
RI (ring indicator)
On connector casing
17