[Nut-upsdev] Liebert PSI 1440 support

Peter Selinger selinger at mathstat.dal.ca
Wed Oct 12 16:10:50 UTC 2005


Stewart Morgan wrote:
> 
> 
> Hello,
> 
> 	Having installed the MultiLink software and attempted to compare values, I've
> managed to interpret one value: Battery Time Remaining in minutes; which is
> represented by UPS.PowerSummary.0085006c.
> 
> > >>Path: UPS.00860006.00860080, Type: Feature, Value: 2.000000
> > >>Path: UPS.00860006.00860081, Type: Feature, Value: 0.000000
> > >>Path: UPS.00860006.00860082, Type: Feature, Value: 2.000000
> > >>Path: UPS.00860006.00860084, Type: Feature, Value: 2.000000
> > >>Path: UPS.00860006.00860085, Type: Feature, Value: 3.000000
> > >>Path: UPS.00860006.00860086, Type: Feature, Value: 3.000000
> > >>Path: UPS.00860006.00860087, Type: Feature, Value: 0.000000
> 
> 
> 	Before, I suggested that "UPS.00860006.00860083: 120.00000"
> might represent the "mains transfer voltage"; however it is also
> possible that actully maps to the "Low battery warning" setting (in
> seconds) of two minutes.  Either that, or one of *80, *82 or *84
> above does, but in minutes.

It is unlikely to be a transfer voltage, because 120V is actually the
standard voltage! It would be silly to transfer to battery when the
voltage is normal.

> > 	Interestingly, the following, for example, all seem to me to be
> > multiplied by ten.  Does that mean I need to change the last arg to
> > "liebert_10_conversion" in the lookup table?
> 
> 	Replying to my own post here:  I see that the value is the raw value before
> being "converted" using the "liebert_10_conversion" function as reported later
> -- sorry for the noise :)
> 
> 
> 	The MultiLink software I'm using seems to only allow viewing the status of
> thigns, so I'll see what else I can find that might enable me to configure it.
> 
> 
> Stewart.
> 




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