Siemens FS20 - Page 301

Mounting and installation FC2080
Wiring up the system supply and module bus
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Building Technologies
008851_s_en_
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Fire Safety
2016
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Wiring monitoring signals
The following diagrams and pin assignments show the wiring of the monitoring
signals from the power supplies to the optocouplers.
Figure 163: Wiring of monitoring signals with one carrier (19", power supply)
Pin assignment for one carrier (19", power supply):
Signal From optocoupler connection To terminal X10
Battery K1-11 X10-1 (#BATT)
K1-14 X10-2 (COM)
Mains K2-11 X10-3 (#MAINS)
K2-14 X10-4 (COM)
X10
2
1
4
3
6
5
8
7
10
9
#BATT
COMMON
#MAINS
3SRC+
COMMON
3SRC-
VSYS+
VSYS+
VSYS-
VSYS-
FCC2003-A1
PSU1
Vsys-
#BATT
#MAINS
K2
11
14
A1
A2
+
-
K1
11 14
A1 A2
+
-