On Feb 26, 2018, at 4:58 AM, Elio Parisi <e.par...@riello-ups.com> wrote:
> 
> Hi Charles,
> this type of UPS doesn't support realtime autonomy calculation, instead a 
> fixed countdown must be used.
> 
> How we can fix non supported values?

If a value is not supported, the driver should not publish it with the dstate 
API. Dhould the driver be modified to not return battery.charge if the UPS 
returns 0xFF? Are there other variables that are affected?

(I don't think the IDG400 is covered in the protocol documentation that the NUT 
project received a while back.)
> 
> For the point number 2, as we know NUT perfomrs the shutdown after battery 
> low signal with a delay of 5 seconds as specified in the FINALDELAY.
> Is this correct?

Right, NUT tells the computer to shut down, but it also typically sends a 
shutdown signal to the UPS. Does the IDG400 also respond to the same shutdown 
command as others?



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