Installation and Operation 82
If 12V batteries and 24V batteries are connected, 12V will be supplied
directly to the 12V consumers and 24V directly to 24V consumers.
As soon as a 12V consumer is detected, the BHM-2 supplies
a regulated 12 voltage to this consumer.
As soon as a 24V consumer is detected, the BHM-2 supplies
a regulated 24 voltage to this consumer.
The 12 and 24 volt supply percentage is displayed as long as battery
communication is available.
If battery communication is not available, only volts will be displayed.
8.7.12 Discharge Modes
Intro
The Battery Hanger Module BHM-2 offer two different discharge modes:
Simultaneously or One By One
Simultaneously / SIM
In SIM mode, all connected batteries are discharged at the same time
as long as they offer the same voltage.
The strongest battery is discharged first until it has reached the level of
the other batteries.
After that, all batteries are discharged evenly.
ATTENTION
If batteries with different voltages are used in the SIM mode, the BHM-2 works exclusively
in OBO mode.
Thus, no hot-swap is available.
If only one battery is used, the total running time may be limited.
One By One / OBO
In the OBO mode, the battery connected to BAT IN 1 is discharged
first.
As soon as battery 1 is fully discharged, battery 2 will take over.
As soon as battery 2 is fully discharged, battery 3 will take over.
ATTENTION
If the active battery is accidentally removed while in OBO mode, the BHM-2 will shut
down immediately.
If only one battery is used, the total running time may be limited.
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