Programmable Electronic Load - LabVIEW Test Automation: Characterise the Instrument

RE: Programmable Electronic Load - LabVIEW Test Automation: Characterise the Instrument

Jan Cumps — Mon, 13 Apr 2020 19:03:04 GMT

Fast play of an automated test (speed X 16)

Enable PSU; channel 1, set to 10 V

Enable load, loop through 4 current settings (video says 3, I can't count): 0.086, 0.138, 0.189 and 0.241 A.

Switch DMM between current and volt to take 2 measurements.

Increase PSU with 1 V and repeat, for 11, 12 and 13V

Disable PSU channel 1.

[View:https://www.youtube.com/watch?v=hSjwJAPIzJo:1110:699]

... and log to a spreadsheet:

[View:/resized-image/__size/620x218/__key/commentfiles/f7d226abd59f475c9d224a79e3f0ec07-e339118f-0d39-4213-ad6e-b34caec575e9/4503.contentimage_5F00_189149.png:620:218]

RE: Programmable Electronic Load - LabVIEW Test Automation: Characterise the Instrument

jc2048 — Fri, 17 Aug 2018 12:59:35 GMT

What is a temperature of 14000? Is it freezing or is it about to melt the heatsink? Couldn't you get Labview to convert it to centigrade?

If I sound grumpy it's because I'm trying to compile your software for the red ethernet MSP432 board.

I've downloaded the zip file and put it in a directory under the workspace directory. I also used the resource thing in CSS to install SimpleLink MSP432E4SDK - v:2.20.00.20. (This is with CSS 8.1.0)

I've opened your project but, when I try to (debug) compile it, it gives me

**** Build Finished ****
Buildfile generation error occurred..
Referenced project 'tirtos_builds_MSP_EXP432E401Y_release_ccs' does not exist in the workspace. Project 'MSP432_SCPI_ElectronicLoad' may not build as expected.
Build stopped..

So there's something missing or in the wrong place? Any ideas what I'm doing wrong?

RE: Programmable Electronic Load - LabVIEW Test Automation: Characterise the Instrument

genebren — Thu, 16 Aug 2018 18:45:12 GMT

Very nice update on the programmable load. It looks like things are working well. Well done to all involved.

Gene

RE: Programmable Electronic Load - LabVIEW Test Automation: Characterise the Instrument

DAB — Thu, 16 Aug 2018 18:39:18 GMT

Very good update Jan.

DAB

RE: Programmable Electronic Load - LabVIEW Test Automation: Characterise the Instrument

fmilburn — Thu, 16 Aug 2018 15:35:26 GMT

Hi Jan,

You have done a great job of documenting the project and it has imprssive capability. I have picked up a lot of ideas and techniques following but would not begin to be able to put something of this complexity together by myself. First on the list of things to learn might have to be LabVIEW.

Frank

RE: Programmable Electronic Load - LabVIEW Test Automation: Characterise the Instrument

shabaz — Thu, 16 Aug 2018 13:04:40 GMT

Hi Jan,

Congrats on all the hard work to get this far.. it's great that you're fully testing the system with detailed data-points!

Nice sketches too, it makes it very clear : )