[Nut-upsuser] Ellipse 750 USBS auto shutdown and NUT.

[Jimmy Jazz]

Frederic,

of course your ups doesn't behave normally :).
I simply tried to find some workarounds in case your Ellipse ups shuts
down again without warning and upssched could certainly help you in that
way.

Anyway, since Arnaud answered your mail, your Ellipse will soon be on
the safe side ;)

Jj
 
Frédéric POTTER a écrit :
> Thanks jimmy for the hints, but I'm afraid the description of the
> problem I have was not clear.
>  
>  
> The problem I have is NOT a software configuration issue of NUT.
> The problem I have is that the UPS, when reaching battey.charge.low
> SHUTS DOWN ITSELF IMMEDIATELY, without sending anything to NUT over
> the serial port. Whatever would be my NUT configuration, it has no
> time to run, since the computer is shut down immediately.
>  
> The UPS behaves exactely AS IF IT WAS NOT SUPPERVISED.
>  
> My guess is that there is some logic within the USBS 750 that makes
> him decide, upon reaching the low battery state, to negociate with a
> software that suppervises him (over the USB or serial port) OR, if not
> suppervised by software, to shut down itself immediately to protect
> its battery.
>  
> My guess is that this behavior is not properly working, and they may
> be two reasons
>     * OR the Ellipse has a firmware issue that makes him believe it is
> not suppervised when suppervised through the SERIAL port (and not the USB)
>     * OR NUT is not properly sending some commands to set some
> parameters to the UPS to make it enter the proper mode.
>  
> Any hints from MGE people here ?
>  
> thanks
>  
> fred
>
>     -----Message d'origine-----
>     *De :* nut-upsuser-bounces at lists.alioth.debian.org
>     [mailto:nut-upsuser-bounces at lists.alioth.debian.org] *De la part
>     de* Frédéric POTTER
>     *Envoyé :* mercredi 27 septembre 2006 08:28
>     *À :* nut-upsuser at lists.alioth.debian.org
>     *Objet :* [Nut-upsuser] Ellipse 750 USBS auto shutdown and NUT.
>
>      
>     Hello,
>      
>     I've installed & configured NUT 2.0.4 connected over a serial port
>     to an MGE USBS 750.
>      
>     When the UPS enters the 'critical' state (ie, battery load below
>     the defined battery.charge.low AND power input off), the UPS just
>     shutdown itself instead of notifying NUT.
>     When I say the UPS just shutdown, I mean it autonomously shut down
>     itself within one second after reaching the low battery state
>     (which is defaulted to 30%). When the power is restored, the UPS
>     restarts properly.
>      
>     I was not able to find internal parameters within the UPS that
>     would allow me to cancel this behavior (and have the usual
>     behavior of the UPS sending an alarm to NUT and waiting to be
>     shutdown by the "halt" script upsdrvctl shutdown command).
>      
>     My guess is that the UPS "knows" if it is connected to an host or
>     not. Maybee in case of using the serial port this does not work ?
>     (and the UPS thinks it is not suppervised ?) Maybee shall NUT send
>     it some command at some point to notify this ?
>      
>     Any help appreciated.
>      
>     thanks
>      
>     fred
>
> ------------------------------------------------------------------------
>
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