Siemens ET 200S - Page 489

Analog Electronic Modules
12-133
Distributed I/O System ET 200S
EWA 4NEB 780 6024-02 07
Block Diagram
Backplane bus
ET 200S
backplane bus
interface mo-
dule
DAC
24 V
L+
1M
DAC
1
3
M
ANA
5
7
M
ANA
M
ANA
P1
P2
Figure 12-21 Block Diagram of the 2AO I Standard