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Multiplus II GX control charging current with analog input

I want to control the charging current of a multi2 GX 48V 3000 with a analog input .

I have allready a ESS system and want to add this feature Ladestromsteuerung.


I have a external current sensor - it deliver 0..2,33 V acording the power of a PV inverter.

I want to reduce the charging current of the Multi - if not enough power comes from this PV.

For 2,33 I want maximum , for 0V I want minimum DC charge current


I have measured the voltage is comes to the Multi but if I activate the Assistant for charge current - the battery is not charged anymore.


If somebody has a idea how to make it work - would be great.

Volker


charging batterycurrent limit
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