Growatt - Activate Modbus TCP

The following guide describes how to check if Modbus TCP  is running on the Shine WiFi-X dongle.

Note: The Shine WiFi-X dongle needs to be on firmware version 3.1.1.1. Older versions do not have Modbus TCP enabled or exposed.

Note: Some regions might have firmware version 3.1.0.5 as the latest. In those cases, those dongles are not supported by Sourceful Energy Gateway.

Prerequisites​

    • Shine WiFi​-X dongle (on firmware version 3.1.1.1 or newer)

Configuration Process

The Shine WiFi-X dongle should not require any configuration as Modbus TCP is enabled by default in firmware version 3.1.1.1 or newer​.

Testing connectivity (advanced)

After enabling Modbus TCP on your Growatt inverter, it's important to verify that the connection is working properly. You can follow our testing guide to confirm the connection. For Growatt inverters, try both port 502 and 1502, as the port number can vary between models and firmware versions. The Unit ID is typically set to 1. Make sure to document both the working port number and Unit ID for future reference, as you'll need these for any monitoring setup.

Sources​

  • Sourceful Community

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