Re: tofp HV error

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From: Yiqun Wang (yqwang_at_physics.utexas.edu)
Date: Thu Mar 27 2003 - 13:58:23 EST

Yes, the red alert has disappeared. Thanks!

Yiqun

On Thu, 27 Mar 2003, Frank Geurts wrote:

>
> Yigun,
> the red-alert in SC should have dissapeared now. The slowcontrols
> event files for TOFp are filled again (with 0s, since the actuall supply
> remains to be shutdown)
>
> cheers,
> frank
>
>
>
>
>
> Yiqun Wang wrote:
> > Got it! We have been keeping an eye on TOFr. Once in a while, one of the
> > Iread value gets out of range, the voltage automatically reramp itself. I
> > am told that is normal.
> >
> > Yiqun Wang
> >
> > On Thu, 27 Mar 2003, W.J. Llope wrote:
> >
> >
> >>TOFp HV is not on. in fact that's why the light is red.
> >>SC is trying to communicate with a unit that is physically
> >>powered off.
> >>just ignore this red box until further notice...
> >>
> >>SC alerts for TOFr HV and/or Gas flow should *not* be ignored...
> >>
> >>thanks for the message,
> >> bill
> >>
> >>
> >>
> >>At 10:05 AM -0600 3/27/03, Yiqun Wang wrote:
> >>
> >>>Hi,
> >>>
> >>>I am the detector operator for shift 7:30-4:30PM. I see that there is red
> >>>error on SC for tofp HV. Opening the corresponding window shows 4 channals
> >>>with HV values that are far out of normal set value range.
> >>>
> >>>We just ramped up the STAR magnet. There are some beams in the ring. FEEs
> >>>for all other detectors are off. Jamie Donlup, the shift leader, wonders
> >>>why the topf HV is on.
> >>>
> >>>Yiqun Wang
> >>>
> >>>--
> >>>-------------------------------------------------------------------------
> >>>| Brookhaven National Lab Yiqun Wang |
> >>>| Building 902C, Room M6 Department of Physics |
> >>>| Upton, NY 11973-5000 University of Texas at Austin |
> >>>| Home: (631)395-5474 Austin, TX 78712 |
> >>>| Office: (631)344-5268 yqwang_at_physics.utexas.edu |
> >>>| (631)344-5746 |
> >>>-------------------------------------------------------------------------
> >>
> >>
> >>
> >
> 

-- 
-------------------------------------------------------------------------
|	Brookhaven National Lab		Yiqun Wang			|
|	Building 902C, Room M6		Department of Physics		|
|	Upton, NY 11973-5000		University of Texas at Austin	|
|	Home:   (631)395-5474		Austin, TX 78712		|
|	Office: (631)344-5268		yqwang_at_physics.utexas.edu	|
|		(631)344-5746						|
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