1. Hardware setup
You will also need a RS485 to USB adapter, I use this one which is well built.
You will need to connect the A(+) and B(-) connections according to your inverter.
Connect to the 485s port
On the COM port you need to connect:
- Port 5
A(+) - Port 6
B(-) - Port 7
GND (optional)
Thank you to Pali for the photo.