Connecting my heatpump „iDM Terra ML Complete HGL“ to OpenHAB 2 using MODBUS via node-red

For some time now I have been using OpenHAB at home for the central control of my house. In OpenHAB, for example, I manage shading, control some lamps, measure and visualize the energy consumption of certain consumers such as refrigerators or washing machines.

The biggest consumer in the house I have not connected yet, my heating. This is a Terra ML Complete HGL heat pump from iDM.

I created a guide how you can acomplish that to get at the end graphs like this using InfluxDB and Grafana:

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