Multiplus 2 gx seetings with sma sunnyboy 2.5

Hey I am in the process of controlling the frequency with the multiplus 2 gx 5000va 48v and a sma inverter can anyone help me with setting the correct settings as well in the pv assist as in the sma inverter it is an of grid system with pylontech battery totaling 15kwh thanks for the help. gr Stijn