Bosch B4512 Installation Manual

26 en | Power supply Control Panels
2018.07 | 16 | F.01U.287.180 Installation Manual Bosch Security Systems, Inc.
6.3.5 Powered device and battery wiring
When you wire the output of a B520 to a SDI2 module, the B520 provides power to the
module while passing through data between the control panel and the module.
Wiring SDI2 modules
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
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)
1. Do one of the following:
Use terminal wiring to connect the SDI2 OUT terminal strip labeled with PWR, A, B, and
COM on the B520 to the terminals labeled PWR, A, B, and COM on the first module.
Connect an interconnect wiring cable (included) to the SDI2 OUT interconnect connector
on the B520 to the interconnect connector on the first module.
2. Connect additional modules in series with the first module.
Wiring to batteries
Notice!
Battery wiring requirements
You must wire BATT 1. You must wire BATT 2 if you configure the B520 for two batteries.
When you use BATT 2, both batteries must have the same rating.
Maximum standby power cannot exceed 36 Ah.

Bosch B4512 Specifications

General

Control Panel Type	Hybrid
Wired Zones	8
Outputs	2
Programmable Outputs	2
Onboard Ethernet	Yes
Cellular Communication	Optional
Series	B Series
Partitions	2
Type	Control Panel
Model	B4512
Manufacturer	Bosch
Input Voltage	16.5 VAC
Communication Formats	Contact ID, SIA
Power Supply	16.5 VAC
Backup Battery	12 V, 7 Ah
Operating Temperature	0°C to +50°C
Weight	1.5 kg
Compatibility	Bosch accessories