Inspired by a project created by Golfy, I’ve been working with an Algerian software programmer to monitor a Velbus network and create graphs based on Glass Panel thermostats, button events (ie Heating, Cooling, Boost etc) and the VMB7IN energy monitor.
In theory the app should be able to read temperature data from a VMB1TS, but I haven’t tested this.
The live results from my own home can be seen here :-
Each graph is created from a CSV file that the small app on a netbook, which is also running Golfy’s PB_Server, uploads to my web server every 15 minutes.
The app is easy enough to configure via a couple of XML files.
The HTML code is a little harder, but I’ve put all the important stuff into a single .JS file.
The graphs are generated by each browser using CanvasJS, which has a fantastic support group.
So if you want to do something fancy with the graphs, I’m sure you’ll get the answers in their help pages.
I’ve already identified a device in my house that is using more electricity than I realised.
I can even see which rooms take the longest to heat up, and cool down again.
Which has helped me to realise where I need to plan my next phase of home insulation.
The app still needs a few tiny tweaks, but once those have been done, I’ll upload a zipped copy for anyone to deploy.
All I ask is that you share your experience with everyone here, so that we can all get a better understanding of how Velbus Glass panels perform when used with multi-zoned HVAC systems.[/quote]
It does not have an installer at present, but will work as a portable app, so once the HTML files and FTP access are setup, the VGraphing.exe app will function.
There are a few minor bugs in the app, but nothing that will cause a major issue.
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