Siemens SIMATIC ET 200S Manual page 287

Block diagram
P2
P1
Figure 11-1
ET 200S Distributed I/O System
EWA-4NEB780602402-09
ET 200S
back-
plane
bus
interface
module
24 VDC
M
Block diagram of the PM-E 24 VDC power module
PWR
Monito-
ring of
the load
voltage
Power Modules
2
6
3
7
11-5