DevicesPV hybrid and battery inverters

Marstek Inverters

Supported Devices

Device Type	Variants	Modbus TCP (Ethernet)	RS485	Curtailment
Venus-C	2.5kWh	❌	✅	❌

Note

Device Compatibility This integration was tested with Venus C device. However, other devices using the same communication protocol, such as Venus E, may also be compatible. If you have such a device, it is likely to work, but we are awaiting official confirmation from the manufacturer.

Wiring

KSTAR C&I Hybrid Inverters

Mastervolt

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
A	RS485 A	RS485_POS	RS485 A	TX+
B	RS485 B	RS485_NEG	RS485 B	TX-
GND	RS GND	GND	Not available	G

Marstek Inverters

Supported Devices

Note

Wiring

On this page

RS485

RS485 Wiring

NOTE: RS485 Device Addresses