Multiplus II GX connected to Liion Battery. ESS activated. Only AC-IN connected, no AC-Out
When ESS in "optimized" I can set the grid point with register 2700 on ID 100.
When setting ess to "external control" (aka Mode 3?) the Multiplus goes into ESS passthru.
On top of that ID 242 / 246 is not readable (registers 37/38/39).
They are also not readable in optimized mode and also tried reading them with ID 100. No chance.
I can write to them, but nothing happens.