Bosch B5512 - Page 34

PWR A B COM
2
4
PWR A B COM
SDI2 OUT
SDI2 IN
PWR A B COM PWR A B COM
1
2
3
SDI2 OUT
SDI2 IN
PWR A B COM PWR A B COM
1
R Y G B
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.
BATT 1
BATT 2
R
B
R B
+ -
1
23
+ -
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)
34 en | Power supply Control Panel
2015.07 | 12 | F.01U.287.180 Installation and System Reference Guide Bosch Security Systems, Inc.