andiburger / growatt2mqtt

Growatt2MQTT reads out growatt inverter via Modbus RTU and publish the data on mqtt

growatt2mqtt

Growatt2MQTT is a small python-based service which connects via usb to the Modbus interface of Growatt inverters and published the collected data on MQTT. The python service can be configured via a small config file.

The config file is structured as follows:

Config file (growatt2mqtt.cfg)

[query] -- all values in seconds
interval = 10
offline_interval = 60
error_interval = 60

[serial]
port = /dev/ttyACM0
baudrate = 9600

[inverters.main]
unit = 1
measurement = inverter protocol_version = MAXSeries | 3.04 | 3.15

[mqtt]
host = YOUR MQTT BROKER IP
port = 1883
topic = inverter/growatt/MIC-600TL-X
error_topic = inverter/growatt/MIC-600TL-X/error

Supported Inverters

• Growatt MIC-600TL-X
• more to come ...

Install growatt2mqtt service on Linux

• cp growatt2mqtt.service file to /etc/systemc/system/
• sudo systemctl daemon-reload
• sudo systemctl enable growatt2mqtt.service
• sudo systemctl start growatt2mqtt.service
• systemctl status growatt2mqtt.service

Use Docker

• docker build -t growatt2mqtt
• docker run --device=/dev/ttyUSB0 growatt2mqtt