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

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From: Frank Geurts (geurts_at_rice.edu)
Date: Wed Feb 19 2003 - 15:46:50 EST


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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