Standard I/O Modules
SICAM A8000 Series, SICAM I/O Modules Unrestricted 77
DC8-012-2.06, Edition 09.2019
2.10.5 Block Diagram
connectors X1 and X2 may be detached or attached in de-energized state only!
The inputs of the connectors X1 and X2
must not be connected directly with a mains supply circuit!
Within the signal inputs exists only functional
insulation. Therefore, the use of different current circuits is
nts cannot be measured with CM-8820.
ake account of the direction of current flow when connecting the current measuring inputs. With inverse
connection, the measured values are inverted and receive a negative sign.
CM-8820
1
2
3
4
5
6
7
8
9
10
X1
DN
C
I3-
I
3+
I2
-/IN
-
I
2-
/
IN
+
I
1-
I1
+
DNC
DN
C
1
2
3
4
5
6
I
3_N
I3_P
I2_
N
I2_
P
I
1_N
I
1_P
X2
R
R
R
FE S
hie
ld
reinforced insulation
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