A Loxone energy meter is added as a “Meter” at the desired position in the “230/400V Mains Supply” tree (and below it, the circuits/fuses/outgoing lines to be measured).
For each meter a bus connection and a 24V supply can be configured. This allows the meter to evolve from a standard meter into a smart (Loxone) meter ;). You can also create a Modbus meter this way.
Here are the new configuration fields:

and a possible result in the finished plan:
