[Nut-upsdev] Re: Some questions on driver implementation and variable names

[Arjen de Korte]

>> So drivers should also not make up for minimum and maximum observed
>> input voltage? I saw several drivers doing so.
> The problem with storing min and max voltages from observed voltages
> is that many transients are shorter than the driver polling interval.

Indeed, you'll probably miss the most important things (transients, sags
and surges) if the UPS hardware is not capable of latching these values by
itself.  As such, I don't think we should not report these if they don't
come from the UPS itself and I would be in favor of removing this from
these drivers.

> The variables were originally meant to hold the min/max values latched
> by some UPSes.

A UPS is not a power quality monitor and should not be used as such.

Best regards, Arjen