[Hallb-engineering] Torus polarity probe

David Kashy kashy at jlab.org
Mon May 17 08:45:13 EDT 2010


Sounds good,
then someone should talk to the PDL and have them explain to the shift 
workers that this is diagnostic for them and not to call the on call 
unless the magnet current it going down!

Thanks



Krister Bruhwel wrote:
> If I understand this correctly, its not part of the pager, but part of 
> an alarm system that the counting house folks made and use and should 
> not issue pages to the on-call pager.  They more than likely made a 
> manual page based on some GUI screen or alarm handler they set up.
>
> These are the only Torus signals that our alarm hander sends to the 
> on-call pager:
>
>
>
> David Kashy wrote:
>> I consider this a nusiance alarm and it should be data logged but 
>> removed fromt he on call pager.
>> The guys in the counting room should be watching the data from the 
>> detector and know if the torus is working properly.
>> Krister,
>> Please remove it from the pager and keep an eye on the read back. Also 
>> check it out for a bad connection, or water dripping somewhere...
>>
>> Thanks
>> Dave
>>
>>
>>
>> Steve Christo wrote:
>>   
>>> Between about 3:00am on 5/15 and midnight 5/16 the polarity probe on the 
>>> Torus was oscillating and giving an alarm based on the signed torus 
>>> current. The problem seems to have fixed itself and has not resulted in 
>>> any significant problems. It might be worth while to investigate the 
>>> cause during the next hall opening.
>>> Steve
>>>
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>>
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