Siemens SIMATIC ET 200S Manual page 495

Block diagram
P1
P2
Figure 13-22 Block diagram of the 2AO I High Feature
ET 200S Distributed I/O System
EWA-4NEB780602402-09
ET 200S
backplane bus
interface
module
24 V
L+
1M
Analog Electronic Modules
DAC
DAC
M
ANA
1
M
ANA
3
5
M
ANA
7
13-111