Parallel Connection Of Three Power Supplies (150 W) - Siemens FS20 Mounting & Installation

Mounting and installation FC2080
6
Installing the power supply kit (150 W, B)

6.8.2 Parallel connection of three power supplies (150 W)

SV 24V-150W-A5 MASTER
X11
SB 9
1
8
SB
7
SA
SA 6
5
F
F 4
BS
NO 3
NO NS
2
C
S 1
X8
0
I-begr. +B
T6.3A
I-unbegr.
9
+B
8
+24V
7
+24V
+24V 6
5
+24V +24V
4
+24V
3
0V
2
0V
1
0V
SV 24V-150W-A5 SLAVE 1
X11
SB 9
2
SB 8
7
SA
SA 6
5
F
4
F
BS
NO 3
NS
NO
2
C
S 1
X8
0
I-begr. +B
T6.3A
I-unbegr.
+B 9
8
+24V
7
+24V
6
+24V
5
+24V +24V
4
+24V
3
0V
2
0V
0V 1
284 | 354
Building Technologies
Fire Safety
Figure 154: Diagram for parallel connection of three power supplies (150 W) A5 for the FC2080
1 Master power supply (150 W)
2 Slave 1 power supply (150 W)
3 Slave 2, additional power supply (150 W, B)
4 Terminal strip of the secondary connections
5 Terminal block 1...6 for signal lines
+24V
+24V
+24V
0V
0V
0V
F1
BATT+
BATT-
6
5
F
4
F
3
#BATT
#MAINS 2
1
COM
K1-A1 BATT
K1-A2 BATT
K2-A1 MAINS
K2-A2 MAINS
4
SV 24V-150W-A5 SLAVE 2
X11
9
SB
3
8 SB
7
SA
6 SA
5 F
4
F
BS
3
NO
NS
2
NO
C
1
S
X8
0
+B I-begr.
T6.3A
9
+B I-unbegr.
8
+24V
7
+24V
6 +24V
5
+24V +24V
4
+24V
3
0V
2
0V
1
0V
5
008851_s_en_--
2016-01-27