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andrecampeau avatar image
andrecampeau asked

MultiPlus Firmware history

I have a MultiPus 3000 with firmware version v430. I see that version v494 is the latest. All is working well but am I missing out on new features I might benefit from?

firmware update
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4 Answers
tsteinke avatar image
tsteinke answered ·

Hi Matthias,

do you have a link ?

I've only found:

https://professional.victronenergy.com/downloads/firmware/file-download/?name=VE.Bus%20%28Multis%2C%20Inverters%20and%20Quattros%29/26%20-%20230VAC%20Products%20with%20large%20microprocessor/Changelog%20Assistants.docx

which didn't cover v496 (newest firmware release for my MP2 according to VRM )

Thnks in advance.

Best regards

Thomas

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Matthias Lange - DE avatar image Matthias Lange - DE ♦ commented ·

There should also be a document "Changelog firmware.docx".

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xxxx496 - April 19, 2022

  • · Reduced audible noise in some 12V 3K Multi models.
  • · Reacts a bit slower to DC overvoltage.
    Reason for this change is that some BMS systems disconnect the battery during charge (when a high cell voltage is detected). This resulted in DC overshoot which in its turn resulted in a switch off. By making the reaction time on DC overvoltage a bit longer most systems will continue to operate under this condition.
  • · Minor improvement on fan driver.
    (Under certain specific conditions the fan did not start even if the average current indicated that it should. This is a minor improvement since it did not impose a real problem because the fan could still start based on internal temperature sensor.)
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Alexandra avatar image
Alexandra answered ·

@andrecampeau

It depends on the type of system you have.

Ess or mobile?

Is there a feature you want specifcally?

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andrecampeau avatar image andrecampeau commented ·
It's for my travel trailer.
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snoobler avatar image
snoobler answered ·

I'm on 430 with my Quattros. The only thing that inspires me to update is the low temp protection for charging Lithium batteries added in Oct, 2021.

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Matthias Lange - DE avatar image
Matthias Lange - DE answered ·

At Victron Professional (free account needed) you can find a changelog for the VE.Bus firmware.

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