Block Diagram Of The 1 Ao I Analog Electronic Module - Siemens Metro 21 M216KA Operator's Manual

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