Siemens IM 151-7 - Terminal Assignment for the Interface Module IM 151-7 CPU

Technical Specifications
10-3
ET 200S IM 151-7 CPU Interface Module
A5E00058783-04
Terminal assignment for the IM 151-7 CPU
Table 10-1 Terminal assignment for the interface module IM 151-7 CPU
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Signal name Description
IM 151-7 CPU
1 – –
IM 151-7 CPU
2 M24 External 24 VDC supply
3 RxD/TxD-P Data line B
1
2
6
4 RTS Request To Send
2
3
4
5
7
8
9
5 M5V2 Data reference potential (from the
station)
5
6 P5V2 Supply plus (from the station)
7 P24 External 24 VDC supply
RS 485 interface
8 RxD/TxD-N Data line A
9 – –
2L+ 1M
2M
1 L+
1 L+ 24 VDC
2L+ 1M
2M
1 L+
2L+ 24 VDC (to loop through)
1M Masse
2M Chassis ground (to loop through)
Table 10-2 Pin assignment of the DP master module
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Signal name Description
DP master module
1 – –
DP master module
2 – –
3 RxD/TxD-P Data line B
1
2
6
4 RTS Request To Send
2
3
4
5
7
8
9
5 M5V2 Data reference potential (from the
station)
5
6 P5V2 Supply plus (from the station)
7 – –
RS 485 interface
8 RxD/TxD-N Data line A
9 – –