By chance I happened on this old post. Mni tnx om Tjalling but in the mean time I've found another option that works very wel for me. I use a P1 dongle by Home Wizard (€25) which integrates really well into Home Assistant. I can monitor in real time for all 3 phases separately what I use or produce ...

Hi, similar challenge here. My E350 has an 8-pin P1 port. I need to connect it (either via USB or via the home network) to the NUC PC running Home Assistant, which is situated at a distance of some 5m in a straight line or about 10m if I run a cable in a way my wife will accept. What options do I ...