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Homeassistant Solax Modbus

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 About Homeassistant Solax Modbus

SolaX Power Modbus custom_component for Home Assistant (Supports some AlphaESS, Growatt, Sofar, Solinteg, Solis, SRNE, Swatten)

Platforms

Web Self-hosted

Languages

Python

Links

Source Code

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Homeassistant Solax Modbus

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Summary

Universal Solar Inverter over Modbus RS485 / TCP custom_component for Home Assistant

Integration 2024.09.1 and newer only supports HA 2024.9.0 and newer

    • Ginlong Solis
      • RHI-nK-48ES-5G Single Phase (lowercase n indicates Inverter size, ie 6kW)
      • RHI-3PnK-HVES-5G Three Phase (lowercase n indicates Inverter size, ie 10kW)
    • Growatt:

      • AC Battery Storage:

        • SPA

      • Hybrid:

        • SPF - WIP
        • SPH
        • TL-XH (MIN,MOD & MID)

      • PV Only:

        • MAC
        • MAX
        • MID
        • TL-X
    • Sofar Solar
      • HYDxxKTL-3P (plugin_sofar)
        • Azzurro 3.3k-12KTL-V3
        • Azzurro ZSS
      • HYDxxxxES (plugin_sofar_old)
    • SolaX Power
      • A1 Hybrid - WIP
      • Gen2 Hybrid
      • Gen3 AC, Hybrid & RetroFit
      • Gen4 Hybrid & RetroFit
        • Qcells Q.VOLT HYB-G3-3P
        • TIGO TSI
      • Gen5 Hybrid
      • J1 Hybrid - WIP
      • X1 Air/Boost/Mini Gen3 & Gen4 (Limited set of entities available)
      • X3 MEGA / FORTH Gen2 (Limited set of entities available)
      • X3 MIC / MIC PRO Gen1 & Gen2 (Limited set of entities available)
      Solinteg - WIP

      SRNE - WIP

      Swatten -WIP

Installation

Read the Docs - Installation

Documentation

For further Documentation please refer to the Read the Docs

FAQ

Read the Docs - General FAQ

Multiple Connections

Modbus is designed to mostly have a single Master. If you try to connect multiple instances to the Inverter ie this Integration and Node-RED the Inverter will either block the second connection or likely to result in data collisions.

If this happens it's recommended to use a multiplexer such as https://github.com/IngmarStein/tcp-multiplexer this has been tested by reading and writing from two instances of HA at once.

This can be started with Docker or Docker Compose. Example Compose:

services:
  modbus-proxy:
    image: ghcr.io/ingmarstein/tcp-multiplexer
    container_name: modbus_proxy
    ports:
      - "5020:5020"
    command: [ "server", "-t", "192.168.123.123:502", "-l", "5020", "-p", "modbus", "-v" ]
    restart: unless-stopped

Server address is the Inverter / data logger. You then direct this integration to the machine running the proxy and port 5020 in this example.