Rs232 (System Port) - Eaton XV400 10.4" Operating Instructions Manual

5.3.4
Wiring

RS232 (System Port)

The RS232 interface is not electrically isolated. The GND pin is directly connected to the housing
potential.
Fig. 15 RS232 interface (9-pin, D-Sub, male, UNC)
Pin Signal
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
Tab. 13 Pin assignment of the RS232 interface
Shielded cables must be used.

The maximum baud rate depends on the cable length:

Cable length
2.5 m
5 m
10 m
15 m
30 m
Tab. 14 Relationship of cable length / baud rate

When preparing the cables, ensure that there is a low-resistance connection between
the cable shield and the connector casing (→ Chapter 5.3.2,  30).
MICRO PANEL XV400 10.4"/12.1"/15" 12/2010 MN04802010Z-EN www.eaton.com
1 2 3 4 5
6 7 8 9
Assignment
Data Carrier Detected
Receive Data
Transmit Data
Data Terminal Ready
Ground
Data Set Ready
Request to Send
Clear to Send
Ring Indicator
Max. baud rate
115200 Bit/s
57600 Bit/s
38400 Bit/s
19200 Bit/s
9600 Bit/s
5 Installation
5.3 Cable preparation
33