12-55
ET 200L, ET 200L-SC and ET 200L-SC IM-SC Distributed I/O Device
EWA 4NEB 780 6009-02c
Figure 12-28 shows the block diagram of the 1 AO I analog electronic mod-
ule.
SC bus
DAC
L+
M
QI +
QI –
1
3
Logic
and
interface
circuit
Galvanic
isolation
Internal
supply
Figure 12-28 Block Diagram of the 1 AO I Analog Electronic Module
Block Diagram
SC Analog Electronic Modules – T
echnical Data