All,
My company has two electricity supplies (in separate rooms) that I would like to monitor (real power). I want to use an emontx for each, but I am not clear how easy it is to connect these to a Raspberry Pi, and process the data into a single set of figures to give to the emongGLCD to display the TOTAL energy consumption of both supplies combined.
From what I've seen on the forums this should be possible, but I can't find any definitive instructions. I'm a novice at coding so it would have to be well spelt out for me to get it right.
Can someone point me in the right direction?
Many thanks in advance,
Chris
Re: Multiple Sensor Nodes to Raspberry Pi and EmonGlcd
It should be quite simple. Both emonTx's report by radio to the RPi, you give them different node numbers to distinguish them. That will give you two (sets of) data streams in the first 'inputs' page of emoncms. It is then a matter of using the "+ input" process to add one input to the other, then send the sum to a 'feed'.
This might help: http://emoncms.org/site/docs/inputsandfeeds
(You can create an account at emoncms.org (the same software as your RPi will run) and in your web browser pretend to be the two emonTx's and send values to see what to do.)
Re: Multiple Sensor Nodes to Raspberry Pi and EmonGlcd
Thanks a lot Robert, I'll give that a try.
Chris