I have an ESS with Battery, 3 phase multiplus, all loads on critical loads.
3 Phase solar inverter also on critical load output. no vrm implementation possible, I think.
ET340 directly after grid. Role: Grid Meter
ET340 on the critical load output of the multiplus but AFTER the solar inverter. Therefore measuring ONLY load. Role:??? Only "AC Loads" makes remotely sense.
VRM Dashboard: Makes no sense at all:
As you can see from the MQTT read out of the AC-load (role) meter, the power it measures is not reflected on the dashboard anywhere. "AC Loads" on the dashboard has been fluctuating around 0 to 100W since day one, which never made any sense since those outputs of the multiplus are DISCONNECTED. Critical loads is 0 which makes sense, because in the moment shown above there was about 2100W of solar power. 1700 went into the battery, 450 were used by the loads in the house. As observable from the mqtt read out.
However the dashboard in VRM has none of it. The "total consumption" read out is complete nonsense since day one and still makes no sense at all.
Here the device list, to demonstrate the meters being correctly recognized and setup:
In my opinion there are two possibilities:
There is somehow somewhere a hidden setting to tell Venus OS what the "AC Loads" meter is exactly. But where?
This is simply a bug in the implementation, which is unprepared for a situation where all load and PV is on "critical load" and a load meter is being used to separate PV from Load.
Why do I not put the meter to the PV?
Because the critical load measurement of the three multiplus in 3 phase mode (by night) is not precise. It seems the multiplus have trouble with precise read out.
Furthermore only like this I can measure energy use of the loads alone.
And I do have read outs from the PV, just not in VRM, but in homeassistant, which is ultimately where I need all data.
