4
Power supply (150 W) SV 24V-150W-A4
Pin assignments
28
Building Technologies
008837_q_en_--
Fire Safety
14.05.2012
4.3
Pin assignments
4.3.1
X1 mains connection
Pin
Designation
Description
1
PE
Ground (protective conductor)
2
L
External conductor (L1)
3
L
External conductor (L1)
4
N
Neutral conductor
5
N
Neutral conductor
Admissible cable cross-section: 0.2…2.5 mm²
4.3.2
X8 output voltage
Pin
Designation
Description
10
+B
I-begr.
Connection for battery, current limited via internal battery
fuse F2 (without parallel switching)
9
+B
I-unbegr.
Connection for battery, no current limit (when switching in
parallel, fuse in the cable tree)
8
+24 V
Supply 24 V
7
+24 V
Supply 24 V
6
+24 V
Supply 24 V
5
+24 V
Supply 24 V
4
+24 V
Supply 24 V
3
0 V
Supply output 0 V
2
0 V
Supply output 0 V
1
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.