[Dsg-hallc_nps] NPS low voltage EPICS development tests?

[Brad Sawatzky]

Very good -- thanks Tyler.

-- Brad

On Wed, 16 Nov 2022, Tyler Lemon wrote:

> Hi Brad,
> I've finished the LV EPICS tests for today.
> I never got to the point in communicating to the MPOD since I apparently had
> some configurations set up incorrectly.
> I'll schedule another time with you later on to try again.
> -Tyler
> 
> ----------------------------------------------------------------------------
> 

> From: Dsg-hallc_nps <dsg-hallc_nps-bounces at jlab.org> on behalf of Tyler
> Lemon via Dsg-hallc_nps <dsg-hallc_nps at jlab.org>
> Sent: Wednesday, November 16, 2022 8:19 AM
> To: Brad Sawatzky <brads at jlab.org>
> Cc: dsg-hallc_nps at jlab.org <dsg-hallc_nps at jlab.org>
> Subject: Re: [Dsg-hallc_nps] [EXTERNAL] Re: NPS low voltage EPICS
> development tests?
> 
> Hi Brad,
> Thank you for the information!
> I'm planning on starting the tests at 9:00AM.
> I'll let you know when I've finished and the outcome.
> -Tyler
> 
> ----------------------------------------------------------------------------
> 

> From: Brad Sawatzky <brads at jlab.org>
> Sent: Tuesday, November 15, 2022 10:38 PM
> To: Tyler Lemon <tlemon at jlab.org>
> Cc: dsg-hallc_nps at jlab.org <dsg-hallc_nps at jlab.org>
> Subject: [EXTERNAL] Re: [Dsg-hallc_nps] NPS low voltage EPICS development
> tests?
> 
> Hi Tyler,
> 
> The EEL/108 setup will be idle tomorrow, so that is a good time to run
> some tests.
> 
> Right now there is only one LV cable plugged into the MPOD crate
> (top-left location in the EEL/108 racks).  I turned the LV off for all
> channels just now, so you are welcome to just unplug the cable from the
> front panel and proceed with your tests.
> 
> NOTE: The channels are configured use use the sense lines for voltage
>   regulation so you will likely have to toggle the setting to use the
>   'internal sense' lines so it regulates against the terminal voltage
>   or it will just throw errors with the cable unplugged.
> 
> I should be on-site after 10am tomorrow (Wed) and should be free to drop
> by if you run into any hardware issues.  You can reach me via Teams or
> on my cell 757-344-2494.
> 
> -- Brad
> 
> On Tue, 15 Nov 2022, Tyler Lemon via Dsg-hallc_nps wrote:
> 
> > Hi Brad,
> > We're to a point where we are ready to do a preliminary test for the NPS
> low
> > voltage control and monitoring in EPICS.
> > The general procedure for the test would be to load a read-only version of
> > the IOC that only reads data from the MPOD. If that is successful, I'll
> try
> > out an IOC that has the ability to set voltage and current set points. I
> > anticipate the test taking about two hours.
> > Can a time tomorrow Wednesday 11/16 (or later this week) be scheduled
> where
> > we can do this test when you all do not need the MPOD in case its settings
> > get effected?
> > Thanks,
> > Tyler
> 
-- 
Brad Sawatzky (he/him), PhD <brads at jlab.org> -<>- Jefferson Lab/SciComp/F272
Ph: 757-269-5947  -<>-  Fax: 757-269-5235  -<>- Pager: brads-page at jlab.org
The most exciting phrase to hear in science, the one that heralds new
  discoveries, is not "Eureka!" but "That's funny..."   -- Isaac Asimov