[dsg-hdice] Found a built in averaging and referencing feature on sweep tab of Zurich lock-in amplifier

[Tyler Lemon]

Hi Xiangdong,

I added a second copy of the Oxford power supply VI to the fsNMR LabVIEW project.

Both copies are in a new folder in the project (see attached screenshot).

You only have to put the correct GPIB address into each of the programs and run each program to control both power supplies.

-Tyler
________________________________
From: Xiangdong Wei <xwei at jlab.org>
Sent: Friday, September 18, 2020 8:31 AM
To: thomaso at jlab.org <thomaso at jlab.org>; Tyler Lemon <tlemon at jlab.org>
Cc: dsg-hdice at jlab.org <dsg-hdice at jlab.org>
Subject: Re: [dsg-hdice] Found a built in averaging and referencing feature on sweep tab of Zurich lock-in amplifier

Hi Tyler,

After reviewing the UITF run plans, I just realized that we need to remotely drive 2 independent Oxford superconducting magnet power supplies at the same time, not just 1.

Would you please check to see if it is possible to add another VI to Rack 2 computer to realize this mode?

Thanks,

Xiangdong
________________________________
From: dsg-hdice <dsg-hdice-bounces at jlab.org> on behalf of thomaso at jlab.org <thomaso at jlab.org>
Sent: Thursday, September 17, 2020 3:54 PM
To: Tyler Lemon <tlemon at jlab.org>
Cc: dsg-hdice at jlab.org <dsg-hdice at jlab.org>
Subject: Re: [dsg-hdice] Found a built in averaging and referencing feature on sweep tab of Zurich lock-in amplifier

Hi Tyler,

Thanks for sharing this with us!  I will check it out shortly.

-Tom

> Hi Xiangdong and Tom,
>
> After our meeting, I ran a test sweep with the Zurich lock-in amplifier.
> While it was running I was looking around the sweep tab's options and
> found a sweep mode that lets you set a number of samples to take at each
> frequency during a sweep. I also saw on the "History" tab in the sweep tab
> there is a "Reference" option. These two options seem to result in what we
> are trying to do with the fsNMR program.
>
> So you all can look at it, attached are three screenshots with what to
> click along with the steps below.
>
> screenshot1.jpg
> 1. Go to settings tab on right of sweep tab
> 2. use drop down menu to change application to "Parameter Sweep Averaged"
>
> screenshot2.jpg
> 3. Click "Advanced" button on settings tab
> 4. Enter averaging settings
>
> At this point you'd run a sweep as normal. For the reference feature:
>
> screenshot3.jpg
> 5. Go to history tab on sweep tab
> 6. select result to use as reference
> 7. click "Reference" button
> 8. Click button to toggle reference "on"
>
> The next sweep you'd run will be referenced to whatever you selected in
> step 6. An example result after averaging is in the amplitude plot for
> screenshot1.jpg and in the attached CSV file.
>
> I look forward to hearing what you think about and find with these
> options.
>
> -Tyler
>
>
>
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