Eaton XV-102 Series, Руководство по эксплуатации

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5 Installation
5.3 Interfaces
34
HMI/PLC XV-102 08/2016 MN04802004Z-EN www.eaton.com
5.3.4 RS232 (System Port)
The RS232 interface is not galvanically isolated.
Tab. 9 Pin assignment of the RS232 interface
Wiring

Screened cables must be used.

The maximal baud rate depends on the cable length
Tab. 10 Relationship of cable length / baud rate
CAUTION
Non-galvanically-isolated interfaces
The device may be damaged by potential differences.

The GND terminals of all bus modules must be connected.
Fig.. 13 RS232 interface (9-pin, D-Sub, male, UNC)
Pin Signal Configuration
1 DCD Data Carrier Detected
2 RxD Receive Data
3 TxD Transmit Data
4 DTR Data Terminal Ready
5 GND Ground
6 DSR Data Set Ready
7 RTS Request to Send
8 CTS Clear To Send
9 RI Ring Indicator
1
6 7 8 9
2 3 4 5
Cable length Max. baud rate
2.5 m 115200 bit/s
5 m 57600 Bit/s
10 m 38400 Bit/s
15 m 19200 Bit/s
30 m 9600 Bit/s

When preparing the cables, ensure that there is a low-resistance connection between
the cable screen and the connector casing (

Chapter 5.3.2,

30).