Siemens SIMATIC ET 200L - Pinout of the PROFIBUS-DP Terminal Connection

3-12
ET 200L Distributed I/O Device
EWA-4NEB 780600902-05
The table below describes the pinout of the 9-pin PROFIBUS-DP terminal
connection.
Table 3-3 Pinout of the PROFIBUS-DP Terminal Connection
View
Pin No. Signal Name Description
1 – –
1
2 – –
2
1
6
3 RxD/TxD-P Data line B
3
2
7
6
4 RTS Request To Send
3
8
7
5 M5V2
1
Data reference potential (from station)
9
4
8
6 P5V2
1
Supply Plus (from station)
9
5
4
7 – –
5
8 RxD/TxD-N Data line A
9 – –
1
For connecting an ET 200 handheld or an optical-fiber module
PROFIBUS-DP Ter-
minal Connection
Wiring