Siemens FS720 - Pin Assignments

Installing, exchanging and connecting modules
Periphery board (2
-
loop)
7
82 | 248
Building Technologies
A6V10210390_m_en_
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Fire Safety
2018
-
08
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29
7.2.2 Pin assignments
Inputs and outputs which are not used do not require termination.
C-NET detector lines which are not used must not be terminated.
7.2.2.1 X1 supply
Pin Designation Description
1 #BATT Message input from the power supply: Battery fault
2 #CONV Message input from the power supply: Converter fault
3 #MAINS Message input from the power supply: Mains failure
4 COMMON Ground
5 3SRC+ Supply input for third supply source (+) [FR]
6 3SRC– Supply input for third supply source (–) [FR]
7 VSYS+ Supply input from the power supply (+)
8 VSYS+ Supply input from the power supply (+)
9 VSYS– Supply input from the power supply (–)
10 VSYS– Supply input from the power supply (–)
Admissible cable cross-section: 0.2…2.5 mm²
3SRC -
2
1
4
3
X1
6
5
3SRC+
COMMON
#MAINS
#CONV
#BATT
8
7
10
9
VSYS
-
VSYS+
VSYS+
VSYS -