[dsg-hallb_rtpc] RTPC crates

[Yuri Gotra]

If the fan needs to be on all the time, it can be plugged to the wall 
outlet.

On 7/24/20 9:43 AM, Jiwan Poudel wrote:
> I can safely turn off FEUs voltages and FEU fans used for the RTPC and 
> FMT.
>
> There is another fan used to suction out the Helium leaked out of 
> RTPC. As long as the RTPC is outside the solenoid, I think there is no 
> issue to turn off that fan. But when the RTPC is inside the solenoid, 
> either Bob or Sebastian could answer what can we do.
>
>> On Jul 24, 2020, at 9:33 AM, Brian Eng <beng at jlab.org 
>> <mailto:beng at jlab.org>> wrote:
>>
>> I've never done the firmware on this piece of equipment so honestly I 
>> have no idea.
>>
>> ------------------------------------------------------------------------
>> *From:*dsg-hallb_rtpc <dsg-hallb_rtpc-bounces at jlab.org 
>> <mailto:dsg-hallb_rtpc-bounces at jlab.org>> on behalf of Jiwan Poudel 
>> <jpoudel at jlab.org <mailto:jpoudel at jlab.org>>
>> *Sent:*Friday, July 24, 2020 9:24 AM
>> *To:*dsg-hallb_rtpc at jlab.org <mailto:dsg-hallb_rtpc at jlab.org> 
>> <dsg-hallb_rtpc at jlab.org <mailto:dsg-hallb_rtpc at jlab.org>>
>> *Subject:*Re: [dsg-hallb_rtpc] RTPC crates
>> Hello Brian,
>>
>> How long does it take to have firmware update? Can you please give me 
>> an estimate? I am at hall so that I could power off everything safely.
>>
>> Thank you,
>> Jiwan
>>
>>> On Jul 23, 2020, at 5:14 PM, Brian Eng <beng at jlab.org 
>>> <mailto:beng at jlab.org>> wrote:
>>>
>>> Yes, the CVT insertion cart.
>>>
>>> Previously it housed only SVT stuff: 
>>> https://www.jlab.org/div_dept/physics_division/dsg/album/HALL%20B%20SVT/Installation%20for%20noise%20test%20in%20Hall%20B/SVT%20electronics%20rack%20structure%20relocated%20in%20Hall%20B.jpg
>>>
>>> It has since been modified (top half removed) and now houses MVT 
>>> stuff as well, I guess that's when it got renamed.
>>>
>>> Let me know once everything has been put into a safe state.
>>>
>>> ------------------------------------------------------------------------
>>> *From:*dsg-hallb_rtpc <dsg-hallb_rtpc-bounces at jlab.org 
>>> <mailto:dsg-hallb_rtpc-bounces at jlab.org>> on behalf of Sebastian 
>>> Kuhn <kuhn at jlab.org <mailto:kuhn at jlab.org>>
>>> *Sent:*Thursday, July 23, 2020 5:07 PM
>>> *To:*dsg-hallb_rtpc at jlab.org 
>>> <mailto:dsg-hallb_rtpc at jlab.org><dsg-hallb_rtpc at jlab.org 
>>> <mailto:dsg-hallb_rtpc at jlab.org>>
>>> *Cc:*Mohammad Hattawy <mohammad.hattawy at gmail.com 
>>> <mailto:mohammad.hattawy at gmail.com>>
>>> *Subject:*Re: [dsg-hallb_rtpc] RTPC crates
>>> Sorry for the cross chatter - when you say “SVT cart”, do you mean 
>>> the CVT insertion cart? As Jiwan points out, there are FEU LV and 
>>> cooling fan supplies, among other things, on the latter. We may have 
>>> to power down the FEUs safely.
>>>
>>>> On Jul 23, 2020, at 3:39 PM, Brian Eng <beng at jlab.org 
>>>> <mailto:beng at jlab.org>> wrote:
>>>>
>>>> Hi Mohammad,
>>>>
>>>> Is the RPTC using anything on the SVT cart that requires AC power?
>>>>
>>>> The remote power strip has a vulnerability that requires a firmware 
>>>> upgrade to fix and I'm not sure if applying this will cause any 
>>>> power loss.
>>>>
>>>> So obviously we'd want to do this when nothing is being actively used.
>>>>
>>>> Thanks
>>>> Brian
>>>> _______________________________________________
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>>>
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>>
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>
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