Standard I/O Modules
48 Unrestricted SICAM A8000 Series, SICAM I/O Modules
DC8-012-2.06, Edition 09.2019
2.6.5 Block Diagram and External Circuitry
The following circuitry variants are examples, and do not relate exclusively to the depicted
inputs/outputs.
connectors X1 and X2 may be detached or attached in de-energized state only!
X
2
IREF2+
2
3
4
IN V2+
IN V2-
IREF2-
5
6
7
8
9
10
IREF3+
IN V3+
IN V3-
IREF3-
AI-8310
U
X
1
Controller
BUS
I
REF0+
2
3
4
IN VO+
IN VO-
IREF0-
Multiplexer
5
6
7
8
9
10
IREF1+
IN V1+
IN V1-
IREF1-
Multiplexer
U
RY
reinforced
insulation
n
.c.
n.c.
n.c.
n.c.
Connection in
4-wire technique
Connection in
3-wire technique
Connection in
2-wire technique
Connection in
4-wire technique
reinforced
insulation
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