Power Inputs - Prosense DPX Series User Manual

Star connection - Wrong
Daisy Chain Connection - Correct
Each detector connected to same DPX Series Gas Control Panel should have unique address.
Detectors having same address would not be recognised by control panel. The last detector
at the RS485 serial line should have the end of line resistor to enable the total
communication line. Otherwise control panel may not communicate to all, some or none of
the detectors.

5.5 Power Inputs:

DPX series Gas Control Panel has internal switching power supply. The connections between
switching power supply and main board is already done in factory. The battery connections
are already provided as ready to connect for user. The connection pins are marked on
mainboard:
PRS-UM-DP-X-EN-Rev1.0-17.11.2021
Mixed connection - Wrong
Diagram 16: MODBUS detector connections
Diagram 17: Power Inputs
Main Power In
V+
V-
Backup Battery Operation button
Backup Battery Power In
V+
V-
18