Sesshoumaru via Nut-upsdev <[email protected]> writes:
> The APC units offer a information called “total consumed energy” which
> which is available under OID .1.3.6.1.4.1.318.1.1.1.4.3.6.0 (unit is
> kwhv, value * 100).
>
> As suggested by jimklimov I checked docs/nut-names.txt but found nothing for
> the above OID or for energy in general.
> Hence I would like to propose to add the following information to NUT for
> extraction:
> ==> | output.energy.totalused | Nominal value of totally used energy (kwh)
> (for APC e.g. 49050 {=490.50kwh})
I would be inclined to see what names are used by homeassistant. and
align with them. HA has an idea in sensors of accumulating values and
time since reset.
https://developers.home-assistant.io/docs/core/entity/sensor/
I think the tricky part is that sometime, when the UPS is power cycled
perhaps, that energy value is goint to reset.
I would tend to call it "output.energy.cumulative" to emphasize that it
intends to increesa except for when it is reset, but that isn't
important.
> Question would be if other devices also have such information or if there is
> general concept name for this.
> Maybe it makes sense to have a own category energy if there is more
> information provided. I can only check my APC systems, but maybe
> others can check theirs or already know that there is a general
> concept or more information.
I don't know what you mean by "own category energy". I see energy as a
property of input, and I can see a UPS that meters input current and
input power and thus computers input energy also. So I don't think we
should move "output energy" to "energy". It is about output, just as
much as volts/amps/va/power is.
> I would hope that once NUT provides this valuable information, also
> the HA integration will fetch it and provide a sensor which then can
> be used for all kinds of automations, graphs and statistics. Not that
> an UPS is a power metering devcie, but I would love to leverage this
> information.
I don't know if the HA integration will, but once nUT has it, it should
be easy (famous last words).
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