-- write average value to the required group address
grp.write('11/7/19', (value / count), dt.float16)
end
-- reset storage
storage.set('avg_count', 0)
storage.set('avg_value', 0)
Make Graph
Go to Visualization tab, then press on the Unlock current floor plan for editing. In the Graph section, choose the created object with group address ’11/7/19′, choose graph width/height, number of points.
When clicking on the newly created KNX object after 24 hours, it looks like this