Siemens ET 200S Manual page 222

Interface Modules
Table 8-5 Terminal Assignment of the IM151-1 BASIC Interface Module
9
8
7
6
1L+ 2L+ 1M 2M
Block Diagram
Figure 8-1
8-8
View Signal Name
1 –
2 –
3 RxD/TxD-P
5
4 RTS
4
3
5 M5V2
2 2
1
6 P5V2
7 –
8 RxD/TxD-N
9
1L+
2L+
1M
2M
SF
components
ET 200S
back-
plane
bus
interface
module
Internal power
Block Diagram for the IM151-1 BASIC Interface Module
Designation
–
–
Data line B
Request To Send
Data reference potential (station)
Supply plus (station)
–
Data line A
24 VDC
24 VDC (for loop through)
Ground
Ground (for loop through)
Isolation
BF ON
Electronic
supply
Distributed I/O System ET 200S
PROFIBUS-DP
connection
A1
A2
B1
B2
PROFIBUS
address
2 (P1)
6 (P1)
3 (P2)
7 (P2)
EWA 4NEB 780 6024-02 07