Pin Assignment Of The Dp Master Interface; Pin Assignment Of The Dp Master Interface On The S5-95U - Siemens SIMATIC S5 Manual

Design and method of operation of the S5-95U with DP master interface
4.2

Pin assignment of the DP master interface

Purpose of the The DP master interface enables you to connect distributed I/Os to the
interface S5-95U via the SINEC L2 DP bus.
Assignment
The DP master interface is a 9-way D-Sub port in compliance with the
PROFIBUS-DP draft standard.
Table 4-3 Pin assignment of the DP master interface on the S5-95U
View
Parallel operation Parallel operation of the DP master interface and PG interface (e.g. SINEC
L1 on PG interface) is possible.
ET 200 Distributed I/O System
EWA 4NEB 780 6000-02a
Pin No. Signal
1 –
2 –
5
3 RxD/TxD-P
9
4 RTS
4
8 8
5 M5V2
3
7
2 2
6 P5V2
6
1
7 –
8 RxD/TxD-N
9 –
Designation
Function ground
–
Data line B
Request to send
Data reference potential (from
station)
Supply plus (from station)
–
Data line A
Internal assignment
4
4-5