Pin Assignments Version A5 - Siemens FS720 Mounting & Installation

Fire detection system
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Installing, exchanging and connecting modules
6
Power supply (150 W)

6.6.4 Pin assignments version A5

6.6.4.1 X1 mains connection
6.6.4.2 X8 output voltage
Pin
Designation
10
+B
I-begr.
9
+B
I-unbegr.
8
+24 V
7
+24 V
6
+24 V
5
+24 V
4
+24 V
3
0 V
2
0 V
1
0 V
80 | 222
Building Technologies
Fire Safety
Pin
Designation
1
PE
2
N
3
N
4
L
5
L
Admissible cable cross-section: 0.2...2.5 mm²
When replacing a power supply, note the different pin assignment as against that
in the power supply SV 24V-150W-A4.
Description
Connection for battery, current limited via internal battery fuse F2 (without parallel
switching)
Connection for battery, not current limited (when switching in parallel: Fuse in the
cable tree)
Supply output +24 V
Supply output +24 V
Supply output +24 V
Supply output +24 V
Supply output +24 V
Supply output 0 V
Supply output 0 V
Supply output 0 V
Admissible cable cross-section: 0.2...2.5 mm²
Batteries may be connected either on terminal 10 or, with external fuse, to
terminal 9.
Description
Earth (protective conductor)
Neutral conductor
Neutral conductor
External conductor (L1)
External conductor (L1)
A6V10210390_j_en_--
2015-12-15

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