Siemens SIMATIC ET 200S - Block Diagram for the IM151-1 STANDARD Interface Module

Interface Modules
8-12
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Terminal assignment
The following table shows the terminal assignment of the IM151 1 STANDARD
interface module for the 24 VDC voltage supply and PROFIBUS DP:
Table 8-7 Terminal assignment of the IM151 1 STANDARD interface module
View
Signal name Name
1 -- --
2 -- --
5
3 RxD/TxD--P Data line B
5
4
3
9
8
4 RTS Request To Send
3
2
8
7
6
5 M5V2 Data reference potential (station)
2
1
6
6 P5V2 Supply plus (station)
7 -- --
8 RxD/TxD--N Data line A
9
2L+ 1M 2M1L+
1L+ 24 VDC
2L+ VDC (for loop through)
1M Chassis ground
2M Ground (for loop through)
Block diagram
6(P1)
2(P1)
7(P2)
3(P2)
Backplane bus
ET 200S
backplane bus
interface connection
Electronic
components
Internal power
supply
A1
A2
B1
B2
PROFIBUS DP
connection
Electrical
isolation
BF ON
SF
PROFIBUS
address
Figure 8-2 Block diagram for the IM151-1 STANDARD interface module