Interface Modules
8-16
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
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 8-8 Terminal assignment of the IM151 1 STANDARD interface module
View
Signal name Name
Receiving stations Receiving stations
er-op
c
n
er
ace
Transmitter Transmitter
2L+ 1M
2M
1L+
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
PROFIBUS DP
connection
(fiber-optics)
BF ON
SF
PROFIBUS
address
Fiber-optic
interface
A
B
A
B
Figure 8-3 Block diagram for the IM151-1 FO STANDARD interface module