Bosch B4512 Installation Manual

Control Panels Power supply | en 25
Bosch Security Systems, Inc. Installation Manual 2018.07 | 16 | F.01U.287.180
Notice!
Earth ground reference
Do not use telephone or electrical ground for the earth ground connection. Use 14 AWG (1.8
mm) to 16 AWG (1.5 mm) wire when making the connection
Use a grounding rod or a cold water pipe.
Run wire as close as possible to grounding device.
Callout ᅳ Description
1 ᅳ B520 Auxiliary Power Supply Module
2 ᅳ 14 AWG - 16 AWG (1.8 mm - 1.5 mm) wire
3 ᅳ Ground device (grounding rod or cold water pipe)
Wiring to the control panel
Notice!
Terminal wiring
Use the terminal strip labeled with PWR, A, B, and COM for SDI2 IN to wire to corresponding
control panel SDI2 terminals. Do not use interconnect wiring.
Use 12 AWG to 22 AWG (2.0 mm to 0.6 mm) wire.
SDI2 OUT
SDI2 IN
PWR A B COM PWR A B COM
1
2
3
R
Y
G
B
7 COM 8
C
OUTPUT
B
1 k End of Line Resistors
Voltage Ranges
ON-BOARD POINTS
3.7 - 5.0 VDC
2.0 - 3.0 VDC
0.0 - 1.3 VDC
Open
Normal
Short
3 COM 4 5 COM 61 COM 2
R Y G B
SDI2
Device Bus
AUX
- 12 V +
TMPR
1 COM 2 7 COM 83 COM 4 5 COM 6
RESET
COM AUX R Y G B
PWR A B COM
B C
OUTPUT
Callout ᅳ Description
1 ᅳ Control panel
2 ᅳ B520 Auxiliary Power Supply Module
3 ᅳ Terminal strip wiring

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