Siemens ET 200S Manual page 275

Block Diagram
P2
P1
Figure 10-3
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
ET 200S
backplane
bus
interface
module
M/ N
24 VDC/L1
Block Diagram of the PM-E 24–48 VDC, 24–230 VAC
FSG
Fuse
monitor
PWR Load
voltage
monitor
Fuse
Power Modules
3
7
2
6
10-9