Block Diagram Of The 2 Ai I Analog Electronic Module - Siemens Metro 21 M216KA Operator's Manual

Block Diagram
SC bus
Figure 12-11 Block Diagram of the 2 AI 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 12-8 shows the block diagram of the 2 AI I analog electronic module.
Galvanic
isolation
Logic
and
interface
circuit
Internal
supply
ADC
M 0 +
1
A
3 M 0 –
2 M 1 +
A
4 M 1 –
L+
M
12-21