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

Block Diagram
SC bus
Figure 12-2 Block Diagram of the 2 AI U Analog Electronic Module
ET 200L, ET 200L-SC and ET 200L-SC IM-SC Distributed I/O Device
EWA 4NEB 780 6009-02c
Figure 12-2 shows the block diagram of the 2 AI U analog electronic module.
Isolation
Logic
and
interface
circuit
Internal
supply
SC Analog Electronic Modules – T echnical Data
ADC
1 M 0 +
V
3 M 0 –
2 M 1 +
V
4 M 1 –
L+
M
12-3