Interface Modules
8-17
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
Terminal Assignment
The following table shows the terminal assignment of the IM151-1 HIGH
FEATURE interface module for the 24 VDC voltage supply and PROFIBUS-DP:
Table 8-8 Terminal Assignment of the IM151-1 HIGH FEATURE Interface Module
View
Signal Name Designation
1 – –
2 – –
3 RxD/TxD-P Data line B
5
4
9
4 RTS Request To Send
3
2
8
7
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+ 24 VDC (for loop through)
1M Ground
2M Ground (for loop through)
Block Diagram
6 (P1)
2 (P1)
7 (P2)
3 (P2)
Backplane bus
ET 200S
back-
plane
bus
interface
module
Electronic
components
Internal power
supply
A1
A2
B1
B2
PROFIBUS-DP
connection
Isolation
BF ON
SF
PROFIBUS
address
Figure 8-4 Block Diagram for the IM151-1 HIGH FEATURE Interface Module