The inverter can be connected to the controller via RS485.

This is done through connection [J] in the first figure.

Logger 485A and Logger 485B from the inverter are connected there.

In the second figure, you can see the connections on the controller side.

Connections:

Inverter	Controller model OM1	Controller model IG8	RS485-ethernet converter
Logger 485A	RS485 A	RS485_POS	TX+
Logger 485B	RS485 B	RS485_NEG	TX-

Continue below according to the model of your controller or converter. (The first three characters of the serial number are the model code of the controller.)

Models