Search found 3 matches

by simoncozens
Fri Mar 28, 2025 4:48 pm
Forum: Home Assistant
Topic: modbus connection to H1-G2
Replies: 3
Views: 4486

Re: modbus connection to H1-G2

OK, getting further.... I can connect the bare wires in to the connector, but now the EW11A is not powering up correctly. I've made a power cable from an old USB cable, and I'm trying to power it through the inverter's USB port.

When I plug it into a normal USB socket (PC or house plug socket), the ...
by simoncozens
Fri Mar 28, 2025 3:31 pm
Forum: Home Assistant
Topic: modbus connection to H1-G2
Replies: 3
Views: 4486

Re: modbus connection to H1-G2

Thanks - I did try pushing the orange tabs in with a tiny screwdriver, but it didn't seem to grip; maybe the pins I have aren't long enough. I'll try again with (longer) bare wire.
by simoncozens
Fri Mar 28, 2025 11:22 am
Forum: Home Assistant
Topic: modbus connection to H1-G2
Replies: 3
Views: 4486

modbus connection to H1-G2

I've got myself an Elfin EW11A and I'm planning to wire it up to my H1-G2. Managed to shut down inverter, disconnect and disassemble the RS485 16-pin connector to take a look and (after a little scare with the RCD tripping, lots of error codes and zeroes everywhere) get it all back up again without ...