Re: (last?) follow-up: problems w/ the PS of VME crate63 ??

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From: Betty Bezverkhny (bbezverk_at_star.physics.yale.edu)
Date: Wed Feb 19 2003 - 15:51:16 EST

There's also a flaky temperature sensor. It fluctuates all over the place.
Talking to the slow control guys as I type...
 
-Betty

------------------------------------------------------------------------------
Betty Bezverkhny

Yale University Physics Department
Wright Nuclear Structure Laboratory,
272 Whitney Avenue, Room 302
New Haven, CT 06511

203.432.9742
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On Wed, 19 Feb 2003, Frank Geurts wrote:

> So it appears to be an inconsistency between actual readout of ~20A and
> slowcontrols idea of the readout of ~90(!)A.
> Maybe our SlowControls-czar Bill W. can comment on this ...
>
> cheers,
> -f.
>
>
>
> Frank Geurts wrote:
> > Jack,
> > Zhangbu just looked at the readings on the VME power supply at confirms
> > a rather high current on the +12V.
> >
> > -frank
> >
> >
> >
> > Frank Geurts wrote:
> >
> >> Hi Jack,
> >> the powersupply of vme crate 63 has changed its Slowcontrols status
> >> from the occasional Yellow to a permanent Red. According to Betty
> >> Bezverkhny who's the detector operator for the day shift this started
> >> earlier today and involves the +12v supply. Geary mentioned that this
> >> crate has a history as far as those vme alarms are concerned but
> >> "permanent red" is maybe Not-A-Good-Thing(tm). I've asked Zhangbu to
> >> take a look at the readouts on the crate just to make sure ... but
> >> otherwise whadda'ya suggest?
> >>
> >> cheers,
> >> frank
> >>
> >
>
>

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