Siemens FS20 - Pin Assignments

Mounting and installation o
f the compact control panels
Fire terminal board
5
90 | 354
Building Technologies
008851_s_en_
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Fire Safety
2016
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01
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27
5.5.2 Pin assignments
5.5.2.1 X1 supply
The optional power supply or the external 24 V supply is connected to supply input
X1.
Figure 39: FTI2001-A1, supply input for external supply or fitted power supply (optional)
Pin Designation Description
10 VSYS– Supply input from the power supply (–)
9 VSYS– Supply input from the power supply (–)
8 VSYS+ Supply input from the power supply (+)
7 VSYS+ Supply input from the power supply (+)
6 3SRC– Input for third supply source (–) [FR]
5 3SRC+ Input for third supply source (+) [FR]
4 COMMON Ground
3 #MAINS Message input from the power supply: Mains failure
2 #CONV Message input from the power supply: Converter fault
1 #BATT Message input from the power supply: Battery fault
Admissible cable cross-section: 0.2…2.5 mm²
FT2040
Fire terminal board
U
Sys
X1
7
8
X1
9
10
3
4
5
6
1
2
VSYS -
VSYS -
VSYS +
VSYS +
3SRC -
3SRC +
COMMON
#MAINS
#CONV
#BATT
-
+
-
+