Overview, Continued
C-4
This appendix describes the method for selection of the properly sized sealed lead-acid battery for
the required standby time.
Standby Current
Main (System) Board: 100mA
Each Relay Board: 20mA
Note: Standby Current is the sum of all module currents, plus auxiliary 24V current.
Alarm Current
Main System Board: 140mA
Each Relay Board: 70mA
Note: Alarm Current is the sum of all module currents, plus auxiliary 24V current, plus NAC and RAC current.
Appendix C
Battery Selection Calculations
Introduction
General
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