Advanced charts: difference

Talks about metering
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segaura
Posts: 9
Joined: Sat Feb 03, 2018 1:22 am

Advanced charts: difference

Post by segaura » Tue Jan 22, 2019 5:22 pm

Hi everybody.

Wouldn't you consider interesting a new type of chart where you can plot the difference between two sensors?

In my setup there are two main sensors, the first is the total house consumption and the second is the heat pump: I'd love to have a chart displaying the difference, so the consumption of "the rest of the house" excluding the heat pump.

Technically there may be some difficulties not being known if at a specified time both series have a value ...but that is the next step, now I am asking if you consider this an interesting feature as I do.

jeanmarc
Posts: 1767
Joined: Thu Aug 29, 2013 7:16 am

Re: Advanced charts: difference

Post by jeanmarc » Tue Jan 22, 2019 6:02 pm

Hi,
I don't plan do to such trick. What you ask should be done by making a virtual meter script.
That'd be easy to do, check the available com apps examples.

segaura
Posts: 9
Joined: Sat Feb 03, 2018 1:22 am

Re: Advanced charts: difference

Post by segaura » Wed Jan 23, 2019 9:23 am

Thank you, that was exactly the type of answer I am looking for.
I totally agree with your ("travel light") approach and will go for the virtual sensor.

jeanmarc
Posts: 1767
Joined: Thu Aug 29, 2013 7:16 am

Re: Advanced charts: difference

Post by jeanmarc » Wed Jan 23, 2019 6:46 pm

I am currently abroad, tell me if you need help.

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