Siemens FS720 Mounting & Installation page 70

Installing, exchanging and connecting modules
6
Power supply (70W)
6.5.2.3 X2 battery supply and signal lines
70 | 222
Building Technologies
Fire Safety
Pin Designation
8 Battery
7 Not used
6 Mains
5 Not used
4 Usys +
3 Usys –
2 Akku +
1 Akku –
Admissible cable cross-section: 0.2...2.5 mm²
X2
Battery
8
7
Mains 6
5
Usys +
+ 4
Usys - -
3
+
Akku + F3
2
-
Akku -
1
1 Cable tree to periphery board or fire terminal board
Description
Detection line (#BATT): Battery fault
Detection line (#MAINS): Mains fault
System supply (VSYS+)
System supply (VSYS-)
Battery supply (+), protected with F3
Battery supply (–)
#BATT
#MAINS
1
VSYS+
VSYS-
A6V10210390_j_en_--
2015-12-15