SELCO A/S M2500 Installation Manual
Revision: 23-04-2012 Page 7
4 Inputs
4.1 Power Supply
Redundant Power Supply (2x 24V DC, -30 % / +30 %)
Alarm in case any power supply fails (common alarm + display text).
Primary supply will not be monitored during cranking, as the battery voltage will drop during this
process.