Powering Ann-Bus Devices From Auxiliary Power Supply - Honeywell MRP-2002 Instruction Manual

Installation
Wiring Configuration
Figure 2.18 illustrates the wiring between the FACP and ANN-BUS devices.

Powering ANN-BUS Devices from Auxiliary Power Supply

Figure 2.19 illustrates the powering of ANN-BUS devices from an auxiliary power supply such as
the FCPS-24FS6/8, when the maximum number of ANN-BUS devices exceeds the ANN-BUS
power requirements.
FCPS-24FS6/8
38
FACP
TB3
Primary ANN-BUS
Figure 2.18 FACP wiring to ANN-BUS Device
Cut Ground Fault Detection jumper JP1 (FACP monitors for ground faults)
TB3
-24 VDC
+24 VDC
ANN-BUS and power wiring are
supervised and power-limited
Figure 2.19 Powering ANN-BUS Devices from FCPS-24FS6/8
MRP-2002 Series Instruction Manual — P/N 53049:E5 7/28/2016
ANN-BUS and power wiring are
supervised and power-limited
ANN-80
FACP
Primary ANN-BUS
ANN-BUS
ANN-80
ANN-BUS Devices