Accuenergy | Sofar EMS Documentation

Acuvim IIR Energy Meters

Supported Devices

Device Type	Modbus TCP (Ethernet)	RS485
Acuvim IIR Energy Meter	✅	✅
Acuvim 3 Energy Meter	✅	✅

Connection

Ethernet

For correct ethernet wiring: Follow the .

If you have an accuenergy energy meter you should have an interface to manage it, in this interface go to the Settings page, then select the Communications menu.

ABB

ABB Energy Meters

Acrel

Acrel Energy Meters

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.

Sofar EMS model OM1	Sofar EMS 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

Supported Devices

Connection

Ethernet

On this page

Warning

RS485

RS485 Wiring

NOTE: RS485 Device Addresses