In the Ve-System-Configurator … you had already opened …
But that does not offer the options of the VE Configure 3, it’s a totally different page.
The one in the image I posted is from earlier when I was running only one Multi.
Right, so I can do the same as I do in VE Configure 3 ?
Yes … at the end you can save your changes and return to the VE Configurator …
Today it works, no idea why I was getting the update error two days ago.
here is the page now and, yes, I see what you mean now that I can open it correctly.
I have now activated both inverter chargers even though I understand that only one can be used for that purpose
.
it dosn´t matter … 
But at the end … it works … perfect 
Sorry for the trouble, I wouldn’t have asked if it had worked the first time.
Now I know for sure.
Thank you so much
That’s what this is for … 
Above he complains about an uneven firmware and that Unit 1 is probably not connected to the grid … as already mentioned in your other post … maybe … 
It’s possible, but since we are here you reckon that I could use both chargers halving the amperage so that they share the load?
I wonder why I was advised that it would not work
I see no reason why that wouldn’t work, I even recommend it.
Does that mean I have to install the same assistants on the slave as well?
Don’t forget that this is a Parallel system not a split phase, I was told that only one charger would function in this scenario
If you only need one relay in one of the multis … then only this wizard in only this multi!
If you want to be on the safe side, then use the same assistant twice in series in both multis.
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If the AC INs and AC OUTs are connected to each other, then yes: you need to configure any assistant manipulating these on both devices.
And if you’re using AUX connection to do so, you need to physically connect those too.
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I will just in case especially if I want both AC2 Out to be interrupted.
However, I seem to remember that if the Multis are in parallel mode, the slave will always follow the master’s commands.
I still normally configure them identically just in case, (same as the two MPPTs) I hope this in not causing any problems though.
Of course they are, being in parallel there wouldn’t be any other way
Humm, I was wondering if I’d have to connect the Cerbo relay to both Aux 1! So you say I do ?
When manipulating relays in a parallel system with the AUX signal, yes.
Then the AUX pins need to be connected and the assistants need to be in both Multi’s.
But I think we’re merging two of your topics now
True, I have transitioned from stage 1 to stage 2 where I’m finally getting to learn the assistants.