Lastausgang beim MPPT 100/20 per Node-Red steuern

[UpCycleElectric (Jan)]

I encountered something similar with a BMV Smartshunt relay: I first needed to switch to manual, then switch the relay. And visa versa. See here for the use case and flow:

Venus OS v3.70~41 available for public testing

Yes this is quite interesting indeed. As an example I created the following setup: A BMV Smartshunt as Battery Monitor for the Boardnet Battery (wired to a Multiplus II) The BMV relay set to ‘Charger mode’ (3 sets of 4 x 12V 250Ah GEL Lead-acid batteries) A flow that switches the Multiplus II (ESS) between ‘keep batteries charged’ and ‘external control’ (passthrough) WHEN the BMV turns its (charger mode) relay on and off (no wiring, just by reading and parsing in Node-RED) A virtual ‘Three-st…