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