Siemens SIMATIC ET 200S Manual page 513

14.4 Block diagram
1M
P1
L+
P2
Figure 14-8 Block diagram of the 4 IQ-SENSE
ET 200S Distributed I/O System
EWA-4NEB780602402-09
C
µ
Internal
power
supply
Current
limiting
MUX
4 IQ-SENSE
1
2
5
6
3
4
7
8
14-17