Siemens SIMATIC ET 200S Manual page 244

Interface Modules
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 9-7
Receiver
Transmitter Transmitter
1L+ 1L+
Block diagram
Figure 9-3
9-14
Terminal assignment of the IM151-1 FO STANDARD interface module
View
Receiver
Fiber-optic cable interface Fiber-optic cable interface
1L+
2L+ 1M 2M 2L+ 1M 2M
2L+
1M
2M
ET 200S
back-
plane
bus
interface
module
Block diagram for the IM151-1 FO STANDARD interface module
Signal name
24 VDC
24 VDC (for loop through)
Chassis ground
Ground (for loop through)
BF ON
SF
Fiber-op-
Electronic
tic cable
components
interface
Internal power
supply
Designation
PROFIBUS-DP connec-
tion (fiber-optic cable)
A
B
A
B
PROFIBUS
address
2 (P1)
6 (P1)
3 (P2)
7 (P2)
ET 200S Distributed I/O System
EWA-4NEB780602402-09