EnheterEnergy meter

Sunwoda

Stödja enheter

Device Type	Modbus TCP (Ethernet)	RS485
Energimätare via Sunwoda OSP	❌	✅

Solis nätansluten energimätare

Solis nätanslutna energimätare

Tillquist

Tillquist energimätare

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.

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