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AutoMeasure last won the day on April 23 2021

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  1. Hi colleagues - Have any of you tried the new 4-hour hands-on-the-software Certified TestStand Developer exam? I have to renew soon, and I see that NI has changed the renewal from a multiple-choice test to a "practical" exam. How challenging did you find it? Was 4 hours enough time to get everything done fully? Thanks very much, Joe
  2. Hi folks - I like coding in Python and I like the numpy, scipy, and matplotlib libraries which are pretty complete and powerful. I'd like to figure out how to make those tools practical to use in my industry work as an alternative to Labview. As people have pointed out, making a high-performance, practical, good-looking UI for Python is too difficult and slow to develop. I tried using the REMI UI library at home for fun, and here are a couple of videos: Thermistors_Triple Python Program on a Raspberry Pi Tcontrol_PWM Python Program on a Raspberry Pi Have any of you tried using NI's G Web Development Software as a UI for Python? I know that NI charges for the package, but that could be OK for most industry work. Is it practical to implement and responsive to interaction? I see on NI's website that they recommend the SystemLink API for bidirectional data communication between the WebVI and the Python program. Have any of you tried calling NI-DAQmx from Python for continuous data acquisition? Does it work? For instrument control via USB and Ethernet, fortunately more instrument vendors are providing a Python-compatible library, so they're taking on the tough work. Thanks very much, Joe
  3. I find TestStand to be a powerful, flexible platform and a very cleverly designed product, with features really well targeted to manufacturing test. But you have to take the time to master it and digest it in order to make it look and behave like you want, rather than be constrained by it. I tried Test Executive Toolkit in '97 and TestStand in '09 and discarded them right away in frustration. And then I was forced to get "over the hump" and master TestStand 2014 and 2016 while at Sonos, and now I like TestStand a lot. I don't use TestStand at my current company because I can't justify the cost, and we're not at the mass-production stage yet. I see that the current cost is $5,561 per Development seat, $2,814 per station for the Debug version, and $741 per station for Base Deployment (or $581 per station for qty. 5). Just plain too much, and the Base Deployment is just the engine, no sequence editor. Dear NI - Please price TestStand at $2,500 per Development seat, and $150 per computer for the Base Deployment. You don't need a distinct Debug version (it's the same as the Development version anyway). Also, please advertise your TestStand product! Tell everyone about the new affordable pricing! NI will benefit from the increased sales volume, and TestStand users will benefit from having a larger community of users to talk to and meet with. 🙂
  4. You're right, I was thinking about the 16-Jun-2020 "National Instruments is now NI" event. 😏
  5. Maybe it will be a two-day version of last year's virtual event, with more new fonts, colors, and NI employees forced to repeat "so inspiring". 🙃
  6. Thanks hooovahh, I tried it in Labview 2018. Using the OpenG 'Array of Vdata to Vcluster_ogtk.vi' followed by the Variant To Data function works in my application, without using a malleable VI. Using the Database Variant To Data function alone can be wired successfully but generates a run-time error because my cluster includes some elements which are arrays. Thanks again for the hint. -Joe
  7. Hi hooovahh - I'm upgrading my operation from LV 2015 to LV 2018 and would like to redo your Array Of Variant To Cluster XNode as a malleable VI. Do you think that makes sense, and do you have any pointers that would improve my chances of success? :-) Thanks very much. -Joe
  8. Hey, guys, along the lines of this topic, I'm setting up to move my company forward in its Labview and Teststand versions. We're standardized on Labview 2015 SP1 f10 and Teststand 2016 f2, both 32-bit and both behaving well including running on Windows 10 64-bit. I'm thinking to move to Labview 2018 fn and Teststand 2017 fn. Should I do it now, and if so, should I try the 64-bit versions or is that still too risky? Also, although Teststand 2017 doesn't "officially" support Labview 2018 (http://www.ni.com/teststand/product_lifecycle/), it should work OK I'm guessing. Thanks. -Joe
  9. Hi wire-heads, Have any of you started using LabVIEW NXG for real projects? How finished and stable do you find it? Also, do you find that it can successfully co-exist with LabVIEW 2015-2017 on the same development machine? Thanks very much. -Joe
  10. Will be happily attending this BBQ with you guys! This will be my first NIWeek after almost making the trip every year. Joe
  11. This is quite a shock to my circannual rhythm. I've attended an NI event in a rented hall/ballroom in Mass. somewhere between Boston and Lowell, with NI hardware demos and Alliance vendor tables, every autumn for more than 20 years. I guess the world is going to change whether I like it or not. :-)
  12. Looking at the webpage http://www.ni.com/nidays/ it looks like it's coming everywhere except the US and Africa. I missed NIWeek so I wanted to attend this. Well, Toronto isn't too far from me. :-/
  13. It looks like, via some sort of twisted logic, the function is behaving as designed. See the KnowledgeBase article: http://digital.ni.com/public.nsf/allkb/BBB794BDCDE0B763862571D4007A0AA5 If the first element of the array is between the first elements of the lower and upper limit arrays, then the function returns True for 'In Range?', amazingly ignoring the remainder of the array.
  14. This looks like a bug to me. Or is it expected behavior using some kind of vector logic? :-) When you run the attached VI, both Boolean LEDs should output False, but one is False and the other is True. I'm running LV 2015 f2. Thanks. -Joe Bug demo of In Range And Coerce.vi
  15. Hey, Michael, I think that LAVA is great and I prefer it to the noise and style of the NI forums. Thanks for keeping it running. I appreciate the expertise, brightness, and time-generosity of the frequent posters here! I'm a very infrequent poster because my job takes all my time. I liked the Info-Labview email list, too, before I moved over to LAVA, but that list lingered way past its expiration, ha ha. I don't think LAVA is at that point, I think it's still great. 10 new topics per week rates as an active forum, and it looks like everyone gets replies to their questions. ShaunR hit the nail on the head about Labview stagnating for the last 5 years. You can see the slowdown in innovation, energy, and buzz. Probably this is natural given what's happening in high tech and computing. Labview is such a unique beast - beautifully engineered, hugely powerful, alone at the top as the best solution for test & automation. Engineers will continue to choose it as their platform, although it looks like zero growth in the new-adopters-per-year figure. It's weird for me to have spent half my life immersed in a single vendor's toolset. My livelihood is maybe too dependent on a thriving NI. But I still really enjoy the work, and there are not enough Labview experts to fill the demand. -Joe
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