Siemens DO-8212 - Block Diagram and External Circuitry

Standard I/O Modules
SICAM A8000 Series, SICAM I/O Modules Unrestricted 33
DC8-012-2.06, Edition 09.2019
2.3.5 Block Diagram and External Circuitry
The following circuitry variants are examples, and do not relate exclusively to the depicted
inputs/outputs.
DI-811x
X2
Controller
BUS
IN D10
1 2
3
4 5
6
7
8
IN D11 IN D12 IN D13 IN D14 IN D17 IN D15 IN D16
COM10
9
10
X1
COM10
IN D00
1 2
3
4 5
6
7
8
IN D01 IN D02 IN D03 IN D04 IN D07 IN D05 IN D06
COM00
9
10
COM00
U+
U-
U+
U-
U+
U-
U+
U-
reinforced
insulation