I just need to limit the export so I don’t return to the grid when prices are negative .
I just need the flows to limit export by % and turn limitation on and off flow card that the +battery devices do have.
These work and with this cards in the normale growatt device I can tune the solar output with the values of alle my non modbus meters to have a almost perfect no delivery back to the grid
Maybee I’m not getting you’re questions right but the “need” for the export limitation of a inverter is completely something else then the need for other modbus p1 or other meters
