Bosch B5512 Reference Manual page 34

34 en | Power supply
Figure 6.4: B520 to powered devices - terminal strip or interconnect wiring connector
Callout ᅳ Description
1 ᅳ B520 Auxiliary Power Supply Module
2 ᅳ Powered device (SDI2 module)
3 ᅳ Terminal strip wiring
4 ᅳ Interconnect wiring (P/N: F01U079745)
Wire to batteries
Wiring the B520 to BATT 1 is required for proper operation of standby power for the B520
module. Wiring the second battery (BATT 2) is optional. If a B520 is configured for two
batteries as the standby power source, then BATT 2 is also required for proper operation.
BATT 2 must have the same capacity and rating as BATT 1. Maximum standby power cannot
exceed 36 Ah.
Figure 6.5: B520 BATT terminals wiring
Callout ᅳ Description
1 ᅳ B520 Auxiliary Power Supply Module
2 ᅳ Battery 2 (BATT 2) - (12 V nominal lead acid)
3 ᅳ Battery 1 (BATT 1) - (12 V nominal lead acid)
2015.07 | 12 | F.01U.287.180
1
PWR A B COM
R Y G B
2
PWR A B COM
+ -
R B
3
Installation and System Reference Guide
PWR A B COM
3
1
+ -
R B
2
1
PWR A B COM
2
PWR A B COM
Bosch Security Systems, Inc.
Control Panel
PWR A B COM
4