[Hdicecontrols] HDice In-Beam Cryostat RealTime Controller failure

[Dr. A.M. Sandorfi]

Thanks Peter,

Please contact Mike Lowry (x 7432) - he knows the most about it. (He¹s in
his office now.)
Andy




On 8/9/16, 7:36 AM, "Peter Bonneau" <bonneau at jlab.org> wrote:
> 
> HI Andy,
> 
> Amrit talked to me about this issue this morning.
> Pablo  and I will take a look at the cRio controller this morning.
> We need help from Xiangdong or Mike in locating the controller. We don't know
> the location of this hardware.
>  
> Peter
>  
>  
>  
>  
>  ForwardedMessage.eml
>   Subject: 
>  Fwd: Re: HDice In-Beam Cryostat RealTime Controller failure
>   From: 
>  Amrit Yegneswaran <yeg at jlab.org> <mailto:yeg at jlab.org>
>   Date: 
>  8/9/2016 7:13 AM
>   To: 
>  hdicecontrols at jlab.org
>   CC: 
>  Patrizia Rossi <rossi at jlab.org> <mailto:rossi at jlab.org>
>  
>  
> 
> hi andy,
>  after discussing the matter with patrizia, patrizia has advised us to
> investigate the problem today.
>  so, we'll be looking into this issue to report to patrizia the condition of
> the system tomorrow.
>  
>  amrit
>  
> 
>  
>  -------- Forwarded Message --------
>  Subject:  Re: HDice In-Beam Cryostat RealTime Controller failure
>  Date:  Mon, 08 Aug 2016 14:29:55 -0400
>  From:  Dr. A.M. Sandorfi <sandorfi at jlab.org> <mailto:sandorfi at jlab.org>
>  To:  Amrit Yegneswaran <yeg at jlab.org> <mailto:yeg at jlab.org>
>  CC:  Xiangdong Wei <xwei at jlab.org> <mailto:xwei at jlab.org> , Michael Lowry
> <mlowry at jlab.org> <mailto:mlowry at jlab.org>
>  
>  
> Hi Amrit,
> 
> In case it's of help, the failure of the real-time controller may have been
> triggered by the power outage last Wednesday, after which various components
> (eg. Pumps, valves) went to a state they shouldn't have been in. At least
> there appears to be this time coincidence, although the controller is
> powered through a UPS.
> 
> There is some urgency here. We have liquid helium on order to begin a
> cool-down next Monday, 8/15. Your help would be appreciated.
> 
> Andy
> 
> 
> 
> 
> 
> On 8/8/16, 1:16 PM, "Michael Lowry" <mlowry at jlab.org> <mailto:mlowry at jlab.org>
> wrote:
> 
>> > Hello Amrit,
>> > 
>> >   I am writing to request technical assistance for the HDice group in
>> > diagnosing and repairing/replacing the RealTime controller which forms an
>> > integral part of the control system for the HDice In-Beam Cryostat.  This
>> > system was put together by Robert Teachey in collaboration with a post-doc
>> in
>> > our group, Chris Bass, roughly 5 years ago.  It centers on a National
>> > Instruments RealTime Controller ( NI CRIO-9073 ) with crate with 3 modules
>> (NI
>> > 9472-8chn DO, NI 9208-16chn AI current, NI 9221-8chn AI voltage).  The
>> > controller communicates with a Dell PC running LabVIEW over a dedicated
>> > ethernet.  At this time, despite numerous reset's and a power cycle, the PC
>> is
>> > unable to establish a connection to the controller and the controller
>> status
>> > light is periodically pulsing.  The post-doc has moved on and our group
>> lacks
>> > the expertise to proceed.  Help from a knowledgeable technician would be
>> > greatly appreciated.
>> > 
>> > Yours,
>> >  Michael Lowry, Research Scientist
>> > x7432, mlowry at jlab.org
> 
> 
>  
>  
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>   Date: 
>  8/9/2016 7:13 AM
>  
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