Solplanet | SmartgridOne Documentation

Solplanet

Supported Devices

The SmartgridOne Controller and the ASW LT-G2 Pro 3-20kW Solplanet inverter communicate via RS485.

S-Series-Hybrid

Sungrow

For correct RS485 wiring: Follow the guidelines for RS485 wiring.
If the wiring shown in the table below is incorrect, please let us know.
There is no general consensus in the industry about the usage of A and B for the RS485 polarity, so it may be counterintuitive and opposite of what you might expect for some devices.

Device	SmartgridOne Controller model OM1	SmartgridOne Controller model IG8	RS485-USB converter	RS485-Ethernet converter
TX_RS485A	RS485 A	RS485_POS	RS485 A	TX+
TX_RS485B	RS485 B	RS485_NEG	RS485 B	TX-
GND	RS GND	GND	Not available	G