Select Phase 1 and right click on the Multi icon to access VE Configure:
Start the assistant, read the welcome page carefully!
The Solar Charge Channel must stay at channel 2.
Phase 2 Solar Channel stays at 3
Phase 3 Solar Channel stays 4
The Settings inside the Grid Inverter for Frequency control must be known, in smaller systems the start setting can be from 50.2 to 50.8 more or less and in bigger systems it can start at 51Hz. The Inverter/charger will only shift its frequency to just below the shutdown point to ensure the Grid Inverter stays on but stops producing power. In Smaller systems the shutdown point can be around 52hz and then again for bigger systems around 53Hz, these levels are only indications.
This value is the total installed PV Power divided by the number of Inverter/chargers.