Bosch D192G - Page 15

Notification Appliance Circuit Module Wiring | en 15
Bosch Security Systems, Inc. Installation manual 2020.05 | 04 | 4998122260
5.2.3 Wiring interconnected loops with 12VDC or 24VDC power supplied by an
external power supply
This wiring scheme allows up to 12 D192G modules (NAC loops) triggered by a single
programmed alarm output.
Figure5.7: Wiring interconnected modules to a BSeries panel with power supplied by an external power supply
1 Last D192G module on the
interconnected NAC loop
9 Connection to module’s ALRM TRG
terminal
2 Polarized notification devices 10 Connection between module’s SUPV
ZONE and panel zone
3 560Ω, 2W EOL resistors (P/
N:F01U008725)
11 Connection to panel’s Aux power
(+12V)
4 First D192G module on the
interconnected NAC loop
12 Connection between module COM and
panel’s digital COM (not to earth
ground)
5 BSeries control panel 13 Conduit required for wiring between
external power supply and control
panel enclosure
6 Connection to either B or C
programmed output
14 UL Listed 12VDC or 24VDC regulated,
power‑limited auxiliary power supply
7 D134 Dual Relay Module (as example) 15 1kΩ EOL resistor (P/N:F01U011298)
8 Positive (+) connection between
panel’s aux power and module’s aux
and ext power terminals