Interface Modules
8-14
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 FO STANDARD
interface module for the 24 VDC voltage supply and PROFIBUS-DP with
fiber-optic cable interface:
Table 8-7 Terminal Assignment of the IM151-1 FO STANDARD Interface Module
View
Signal Name Designation
Receiver Receiver
Fiber-optic cable interface
Transmitter Transmitter
2L+ 1M
2M
1L+
1L+ 24 VDC
2L+ 1M
2M
1L+
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
PROFIBUS-DP
connection (fiber-
optic cable)
BF ON
SF
PROFIBUS
address
Fiber-op-
tic cable
interface
A
B
A
B
Figure 8-3 Block Diagram for the IM151-1 FO STANDARD Interface Module
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