Bosch B6512 Installation Manual page 25

Control Panels
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.
2
Callout ᅳ Description
1 ᅳ Control panel
2 ᅳ B520 Auxiliary Power Supply Module
3 ᅳ Terminal strip wiring
Bosch Security Systems, Inc.
PWR A B COM PWR A B COM
3
R
Y
G
B
Installation Manual
Power supply | en
1
SDI2
ON-BOARD POINTS
Device Bus
Voltage Ranges
R Y G B
Open 3.7 - 5.0 VDC
Normal 2.0 - 3.0 VDC
Short 0.0 - 1.3 VDC
1 k End of Line Resistors
AUX
1 COM 2 3 COM 4 5 COM 6
- 12 V +
COM AUX R Y G B 1 COM 2 3 COM 4 5 COM
PWR A B COM
2018.07 | 16 | F.01U.287.180
25
C
OUTPUT
B
7 COM 8
6 7 COM 8