Siemens FS720 - Power Supply (70 W)

Installing, exchanging and connecting modules
Power supply (70W)
7
97 |
248
Building Technologies
A6V10210390_m_en_
--
Fire Safety
2018
-
08
-
29
X7, supply input 1
Pin Designation Description
4 VSYS - 1 Ground
3 VSYS - 1 Ground
2 VSYS + 1 System supply (+)
1 VSYS + 1 System supply (+)
Admissible cable cross-section: 0.2…2.5 mm²
7.5 Power supply (70W)
In fire control panels, the power supply (70 W) FP2001-A1 or FP2015-A1 is always
built-in. In fire terminals and additional housings, the power supply (70 W) is an
option.
Primary wiring
WARNING
Electrical voltage
Electric shock
● Before connecting the mains cable, make sure that the cable is current-free.
●
Ensure that the mains is secured against inadvertently being switched on.
Secondary wiring
NOTICE
Short
-
circuit
Damage to hardware
● Before removing or fitting the power supply, remove the jumper wire between
the two batteries.
a This ensures that the secondary side is current-free and that no components
can be damaged due to a short circuit.
4
3
X7
VSYS -1
VSYS -1
2
1
VSYS +1
VSYS +1
-
+
-
+