[Halld-controls] PXI Time Stamps
Brian Eng
beng at jlab.org
Thu Sep 6 16:27:25 EDT 2018
So no change from before and still backwards from what the controller itself says (the controller time is faster than the PLC).
----- Original Message -----
> From: "Timothy Whitlatch" <whitey at jlab.org>
> To: "Brian Eng" <beng at jlab.org>
> Cc: "Hovanes Egiyan" <hovanes.egiyan at gmail.com>, halld-controls at jlab.org, "Beni Zihlmann" <zihlmann at jlab.org>
> Sent: Thursday, September 6, 2018 2:55:45 PM
> Subject: Re: [Halld-controls] PXI Time Stamps
> Good Afternoon,
>
> I ran the magnet up to 10A. It seems the PLC current leads the PXI current on
> the archiver (see attached)
>
> Tim Whitlatch
> Hall D Engineer
> Jefferson Lab
> 600 KELVIN DR STE 5
> Newport News, VA 23606-4468
> 757-269-5087
>
>
> From: "Brian Eng" <beng at jlab.org>
> To: "Hovanes Egiyan" <hovanes.egiyan at gmail.com>
> Cc: halld-controls at jlab.org
> Sent: Thursday, September 6, 2018 12:18:51 PM
> Subject: Re: [Halld-controls] PXI Time Stamps
>
> I tried disabling/enabling the setting I thought might correct the offset on the
> PXI; which naturally had no effect (at least on the PXI controller time
> properties, still showing 34 sec faster).
>
> I've filed a support ticket with NI to see if there's some other way to do
> something about this offset.
>
> Currently it is in the opposite setting it was previously, so maybe it's good on
> the EPICS side now?
> If someone wanted to put a small amount of current in the magnet to compare the
> PVs with the PXI data we'd know for sure.
More information about the Halld-controls
mailing list