D-500 MK3 User Manual Firmware V-14.2
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Step_D:
The battery bank voltage increases slowly until reaching the nominal genset DC output voltage.
Step_E:
The genset keeps the output voltage constant at the nominal genset DC output voltage.
The charge current decreases slowly.
Step_J:
When the charge current falls below the stop current percent, the controller opens the load contactor and
activates the idle speed output (if enabled).
Step_K:
Engine cooldown period.
Step_L:
The engine comes to rest.
The load consumes power from the battery bank.
The battery bank voltage decreases slowly with discharge level.
The controller will wait until the battery bank voltage falls below the start to charge voltage.