Homey read data from Growatt inverter via WiFi dongle

[Peter_Kawa]

Hi Ruud,

When your Growatt inverter doesn’t have modbus onboard, it’s possible to make it work by adding a modbus interface. Here’s how Danee did it:

[APP][Pro] SolarEdge + Growatt TCP modbus

So, took the plunge and ordered the Waveshare RS485 to PoE Ethernet Module and had some time today to hook it up and configure it. I connected both my Growatt 3000TL3-S inverters to the module and after some fiddling on the Inverters (Giving each a unique ID) and in the module’s settings I got it working! Here the settings that work for me: [image] I made the following changes that differ with de module’s default settings: Network Settings Device Port, set it to 502 IP Mode, switched it …