[Hallb-engineering] [EXTERNAL] Re: DP8620VCLDP

Tue May 14 10:41:08 EDT 2024

We had at the CH target temperature/pressure alarms, and Xiangdong was
notified to investigate them. However, they cleared themselves.

Thanks,

Lamiaa

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On Tue, May 14, 2024 at 9:34 AM David Kashy <kashy at jlab.org> wrote:

> Eugene,
> What were they?
> Dave
> ------------------------------
> *From:* Eugene Pasyuk <pasyuk at jlab.org>
> *Sent:* Tuesday, May 14, 2024 10:33 AM
> *To:* David Kashy <kashy at jlab.org>; Brian Eng <beng at jlab.org>; Denny
> Insley <dinsley at jlab.org>; Probir Ghoshal <ghoshal at jlab.org>; Sandesh
> Gopinath <gopinath at jlab.org>; Lamiaa El Fassi <elfassi at jlab.org>
> *Cc:* Hallb-eng <hallb-engineering at jlab.org>; dsg-hallb magnets <
> dsg-hallb_magnets at jlab.org>
> *Subject:* Re: [Hallb-engineering] DP8620VCLDP
>
> This is the only one I see at the moment. All others are cleared.
>
> -Eugene
>
>
>
>
> ------------------------------
> *From:* David Kashy <kashy at jlab.org>
> *Sent:* Tuesday, May 14, 2024 10:31
> *To:* Brian Eng <beng at jlab.org>; Eugene Pasyuk <pasyuk at jlab.org>; Denny
> Insley <dinsley at jlab.org>; Probir Ghoshal <ghoshal at jlab.org>; Sandesh
> Gopinath <gopinath at jlab.org>; Lamiaa El Fassi <elfassi at jlab.org>
> *Cc:* Hallb-eng <hallb-engineering at jlab.org>; dsg-hallb magnets <
> dsg-hallb_magnets at jlab.org>
> *Subject:* Re: [Hallb-engineering] DP8620VCLDP
>
> Brian,
> What other signals are are or were alarming?
> Thanks
> Dave
>
> ------------------------------
> *From:* Brian Eng <beng at jlab.org>
> *Sent:* Tuesday, May 14, 2024 10:21 AM
> *To:* Eugene Pasyuk <pasyuk at jlab.org>; Denny Insley <dinsley at jlab.org>;
> Probir Ghoshal <ghoshal at jlab.org>; Sandesh Gopinath <gopinath at jlab.org>;
> David Kashy <kashy at jlab.org>; Lamiaa El Fassi <elfassi at jlab.org>
> *Cc:* Hallb-eng <hallb-engineering at jlab.org>; dsg-hallb magnets <
> dsg-hallb_magnets at jlab.org>
> *Subject:* Re: [Hallb-engineering] DP8620VCLDP
>
> I ramped the Torus to 100 then back down to 0 to make sure MPS comms was
> okay. No issues there.
>
> There's still a few cryo warnings (namely PT8115) so I'll hand it off to
> the Hall B folks now.
> ------------------------------
> *From:* Brian Eng <beng at jlab.org>
> *Sent:* Tuesday, May 14, 2024 10:18 AM
> *To:* Eugene Pasyuk <pasyuk at jlab.org>; Denny Insley <dinsley at jlab.org>;
> Probir Ghoshal <ghoshal at jlab.org>; Sandesh Gopinath <gopinath at jlab.org>;
> David Kashy <kashy at jlab.org>; Lamiaa El Fassi <elfassi at jlab.org>
> *Cc:* Hallb-eng <hallb-engineering at jlab.org>; dsg-hallb magnets <
> dsg-hallb_magnets at jlab.org>
> *Subject:* Re: [Hallb-engineering] DP8620VCLDP
>
> Not sure if someone else was also messing with it, but I set both of the
> VCL flows to 88 l/min which seemed to get rid of most of the alarms.
>
> ------------------------------
> *From:* Brian Eng <beng at jlab.org>
> *Sent:* Tuesday, May 14, 2024 10:04 AM
> *To:* Eugene Pasyuk <pasyuk at jlab.org>; Denny Insley <dinsley at jlab.org>;
> Probir Ghoshal <ghoshal at jlab.org>; Sandesh Gopinath <gopinath at jlab.org>;
> David Kashy <kashy at jlab.org>; Lamiaa El Fassi <elfassi at jlab.org>
> *Cc:* Hallb-eng <hallb-engineering at jlab.org>; dsg-hallb magnets <
> dsg-hallb_magnets at jlab.org>
> *Subject:* Re: [Hallb-engineering] DP8620VCLDP
>
> Torus PLC has been power cycled and is back online.
>
> There are a handful of cryo alarms now though ... I'm guessing PIDs got
> reset?
>
> Could someone check those?
>
> ------------------------------
> *From:* Eugene Pasyuk <pasyuk at jlab.org>
> *Sent:* Monday, May 13, 2024 3:58 PM
> *To:* Brian Eng <beng at jlab.org>; Denny Insley <dinsley at jlab.org>; Probir
> Ghoshal <ghoshal at jlab.org>; Sandesh Gopinath <gopinath at jlab.org>; David
> Kashy <kashy at jlab.org>; Lamiaa El Fassi <elfassi at jlab.org>
> *Cc:* Hallb-eng <hallb-engineering at jlab.org>; dsg-hallb magnets <
> dsg-hallb_magnets at jlab.org>
> *Subject:* RE: [Hallb-engineering] DP8620VCLDP
>
>
> All right then. I’ll ramp down both magnets once they terminate the beam
> tomorrow morning (~ 7 am). They should be off by 8:30. And we request rapid
> access. Let me know when you finish the reboot, and we can bring them back
> up.
>
>
>
> -Eugene
>
>
>
>
>
> *From:* Brian Eng <beng at jlab.org>
> *Sent:* Monday, May 13, 2024 15:52
> *To:* Denny Insley <dinsley at jlab.org>; Eugene Pasyuk <pasyuk at jlab.org>;
> Probir Ghoshal <ghoshal at jlab.org>; Sandesh Gopinath <gopinath at jlab.org>;
> David Kashy <kashy at jlab.org>
> *Cc:* Hallb-eng <hallb-engineering at jlab.org>; dsg-hallb magnets <
> dsg-hallb_magnets at jlab.org>
> *Subject:* Re: [Hallb-engineering] DP8620VCLDP
>
>
>
> Should be fine to just do the reboot after everything is ramped down.
>
>
>
> We need to make an access to do the reboot (have to physically power cycle
> it). I'd like to see if we can connect via USB before the reboot though.
>
>
>
> I'd prefer not to upgrade the firmware in a piecemeal fashion (e.g. only
> the torus) and I'm not sure only 1 shift is enough time to do all of them.
> ------------------------------
>
> *From:* Denny Insley <*dinsley at jlab.org <dinsley at jlab.org>*>
> *Sent:* Monday, May 13, 2024 3:31 PM
> *To:* Eugene Pasyuk <*pasyuk at jlab.org <pasyuk at jlab.org>*>; Brian Eng <*beng at jlab.org
> <beng at jlab.org>*>; Probir Ghoshal <*ghoshal at jlab.org <ghoshal at jlab.org>*>;
> Sandesh Gopinath <*gopinath at jlab.org <gopinath at jlab.org>*>; David Kashy <*kashy at jlab.org
> <kashy at jlab.org>*>
> *Cc:* Hallb-eng <*hallb-engineering at jlab.org <hallb-engineering at jlab.org>*>;
> dsg-hallb magnets <*dsg-hallb_magnets at jlab.org
> <dsg-hallb_magnets at jlab.org>*>
> *Subject:* Re: [Hallb-engineering] DP8620VCLDP
>
>
>
> The concensus is to ramp down and reboot when we lose beam in the
> morning.  Brian what are your thoughts on the matter?
>
>
>
>
>
> Sent from my Verizon, Samsung Galaxy smartphone
> Get *Outlook for Android <https://urldefense.proofpoint.com/v2/url?u=https-3A__aka.ms_AAb9ysg&d=DwIFaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=_lYqKdn7OlSPE62le23CW_pplUQ-evzt_vJDrBDY6IA&m=LbCoz7ATXlSXw831g71mvIc7-eO7UN6788hhNAzKBuBaYQoFKu9o6l4RQqXnr_zd&s=VXKWHDXCbHcoI2ce57d-wU-j8Tgv4eT4eQtajq6RYmY&e= >*
> ------------------------------
>
> *From:* Hallb-engineering <*hallb-engineering-bounces at jlab.org
> <hallb-engineering-bounces at jlab.org>*> on behalf of Eugene Pasyuk via
> Hallb-engineering <*hallb-engineering at jlab.org
> <hallb-engineering at jlab.org>*>
> *Sent:* Monday, May 13, 2024 2:59:49 PM
> *To:* Brian Eng <*beng at jlab.org <beng at jlab.org>*>; Probir Ghoshal <*ghoshal at jlab.org
> <ghoshal at jlab.org>*>; Sandesh Gopinath <*gopinath at jlab.org
> <gopinath at jlab.org>*>; David Kashy <*kashy at jlab.org <kashy at jlab.org>*>
> *Cc:* Hallb-eng <*hallb-engineering at jlab.org <hallb-engineering at jlab.org>*>;
> dsg-hallb magnets <*dsg-hallb_magnets at jlab.org
> <dsg-hallb_magnets at jlab.org>*>
> *Subject:* Re: [Hallb-engineering] DP8620VCLDP
>
>
>
> So, what's the verdict?
>
>
>
> -Eugene
>
>
>
>
> ------------------------------
>
> *From:* Hallb-engineering <*hallb-engineering-bounces at jlab.org
> <hallb-engineering-bounces at jlab.org>*> on behalf of David Kashy via
> Hallb-engineering <*hallb-engineering at jlab.org
> <hallb-engineering at jlab.org>*>
> *Sent:* Monday, May 13, 2024 11:41
> *To:* Brian Eng <*beng at jlab.org <beng at jlab.org>*>; Probir Ghoshal <*ghoshal at jlab.org
> <ghoshal at jlab.org>*>; Sandesh Gopinath <*gopinath at jlab.org
> <gopinath at jlab.org>*>
> *Cc:* Hallb-eng <*hallb-engineering at jlab.org <hallb-engineering at jlab.org>*>;
> dsg-hallb magnets <*dsg-hallb_magnets at jlab.org
> <dsg-hallb_magnets at jlab.org>*>
> *Subject:* Re: [Hallb-engineering] DP8620VCLDP
>
>
>
> Hi Eugene,
>
> I'm looking into the possible effect of the "not talking" signals.
>
>
>
>
>
> Brian,
>
> What signals from the solenoid are not updating in the Torus (DBX) PLC?
>
>
>
> I see at some that are updating:
>
>  DP8620VCLDP
>
>
>
> B_TORUS:LHe:PV8522SR:CVAL  = PT8620
>
> B_TORUS:LHe:PV8522SCD_Min_Min:CVAL = LL8620
>
>
>
> Thanks Guys
>
> Dave
> ------------------------------
>
> *From:* Brian Eng <*beng at jlab.org <beng at jlab.org>*>
> *Sent:* Monday, May 13, 2024 10:57 AM
> *To:* David Kashy <*kashy at jlab.org <kashy at jlab.org>*>; Probir Ghoshal <*ghoshal at jlab.org
> <ghoshal at jlab.org>*>; Sandesh Gopinath <*gopinath at jlab.org
> <gopinath at jlab.org>*>
> *Cc:* Hallb-eng <*hallb-engineering at jlab.org <hallb-engineering at jlab.org>*>;
> dsg-hallb magnets <*dsg-hallb_magnets at jlab.org
> <dsg-hallb_magnets at jlab.org>*>
> *Subject:* Re: DP8620VCLDP
>
>
>
> So I poked at the tags some more and it turns out that this one is updated
> on the DBox PLC, which I can still connect to. So I manually reset the
> error bit and this value is now updating on the PID screens.
>
>
>
> caget B_TORUS:LHe:PV8522SR_Val:CVAL.INP
>
> B_TORUS:LHe:PV8522SR_Val:CVAL.INP @PLC_CRYO PV8522SR_Val.CVAL
>
>
>
> The torus PLC still isn't seeing updating values from the solenoid, but
> maybe we can put off the reboot until tomorrow?
>
>
> ------------------------------
>
> *From:* David Kashy <*kashy at jlab.org <kashy at jlab.org>*>
> *Sent:* Monday, May 13, 2024 10:49 AM
> *To:* Brian Eng <*beng at jlab.org <beng at jlab.org>*>; Probir Ghoshal <*ghoshal at jlab.org
> <ghoshal at jlab.org>*>; Sandesh Gopinath <*gopinath at jlab.org
> <gopinath at jlab.org>*>
> *Cc:* Hallb-eng <*hallb-engineering at jlab.org <hallb-engineering at jlab.org>*>;
> dsg-hallb magnets <*dsg-hallb_magnets at jlab.org
> <dsg-hallb_magnets at jlab.org>*>
> *Subject:* DP8620VCLDP
>
>
>
> Just as a reminder,
>
> This signal is a calculated value base on two pressure sensors.
>
> the math goes as follows:
>
>
>
> DP8620VCLDP =PT8620-PT8571
>
>
>
> There is a similar setup of
>
> DP8670MAGDP = PT8670-PT8571
>
>
>
> Dave
>
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