Siemens FS720 - Page 26

Power supply (150W) SV 24V-150W
26
Building Technologies A6V10210410_a_en_--
Fire Safety & Security Products 18.05.2009
5.2.5 Cascading of three supply units
8
9
6
7
X11
4
5
3
2
1
F
F
BS
NC
NO
NO
C
NC
NS
S
SA
SA
8
9
1
4
2
3
6
7
X8
4
5
3
2
1
0
I-begr.
+24V
+B
+B
+24V+24V
+24V
0V
0V
0V
+24V
T6.3A
+24V
8
9
6
7
X11
SA
F
F
BS
SA
NC
NC
NS
S
4
5
3
2
1
8
9
6
7
X8
4
5
3
2
1
0
+24V
+B
+B
+24V+24V
+24V
0V
0V
0V
+24V
+24V
T6.3A
I-begr.
+VSYS
-VSYS
12 A ... 20 A
NTC
4.7 kΩ
MASTER
SLAVE 1
SV 24V-150W
SV 24V-150W
I-unbegr.
I-unbegr.
F2:
COMMON
#MAINS
#BATT
NO
NO
C
Slave 1
Slave 2
Slave 1
Slave 2
8
9
6
7
X
8
4
5
3
2
1
0
+24V
+B
+B
+24V+24V
+24V
0V
0V
0V
+24V
+24V
T6.3A
I-begr.
SLAVE 2
SV 24V-150W
I-unbegr.
8
9
6
7
X
11
4
5
3
2
1
F
F
BS
NC
NC
NS
S
SA
SA
5
NO
NO
C
Slave 1
Slave 2
3
2
5
Cascading of three 150 W power supply units