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Tim_S last won the day on August 25 2021

Tim_S had the most liked content!

About Tim_S

  • Birthday 10/17/1974

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    LabVIEW 2015
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  1. Have you looked through this document?
  2. There is a significant amount of the population that has some amount of colorblindness. It's not a bad idea to take screenshots of your UI and then convert the image to greyscale.
  3. I was looking at UEI products many years ago, but never had a project could use them on. At the time the PCI cards were very similar specs to NI at less cost, but the front end didn't appear to be as robust. They also had a 'cube' product where it was stackable boards on a base module; it looked interesting, but again didn't have a project that it would work on. Got a sister division that uses Beckoff remote I/O. The sampling rates would be slower. Recall the prices were pretty good for remote I/O systems when tried to get a feel for the product.
  4. Well, yes and no and yes and maybe. It all depends on what you're trying to measure and what the system requirements are. And, of course, just because it's cheaper up front doesn't mean it's cheaper overall. If it costs $200 less but takes me 50 hours longer to implement then it costs more.
  5. Been trying to pick up Python and getting continuous DAQ has been part of that. Found where someone created a continuous DAQ with displaying the data on a graph using pyqt. Link is https://github.com/toastytato/DAQ_Interface.
  6. NI has published their hardware lifecycle policy. When you look up each of the controllers you can see what the current lifecycle status is. Below is a search for the part number on NI's website.
  7. I take it you don't have a dedicated connection between the two devices. Things that can break the system that come to mind is the routing and if there are duplicate IP addresses on the network.
  8. I've used them in that way pre-maps leveraging variant attributes. Don't expect JSONtext to handle that use case, though.
  9. Don't forget versions, updates and patches, particularly in operating systems. For example... had a customer call me with a station that was down after a couple years of running. It looked like a UDP communication issue between two PCs. Wireshark showed the UDP message showing up at the port, but the application didn't receive it. Eventually this was tracked down to the build of Windows 7 (1609, if I recall right) can randomly turn off a setting that UDP needed to work. The "fix" involved a registry edit, but it's waiting to happen again.
  10. The least painful way managed to do this was to detect the column header was clicked on then change the background color of the header appropriately. It's not great, but users understood what was going on once they were shown it.
  11. I have to say no for applied knowledge. I think should be aware of when it is advantageous and inappropriate to use OOP, but that falls short of applied knowledge.
  12. Not familiar enough with Linux or ZeroMQ to give a specific answer, but thinking this through... Segmentation fault is the program trying to access memory it's not supposed to. Certainly been able to do that on Windows, so I don't see why can't do the same with Linux. Typically get that when working with drivers, which ZeroMQ would qualify as. Could be something like passing a pointer that is or becomes invalid, or trying to access memory that has been freed up.
  13. The site is doing a sales pitch on it's front page. That's fine all sites do that. I'm already a customer so I go to the NI site for 1) product information, 2) support, or 3) downloads. It took me poking about a bit to find what was looking for as the navigation feels almost hidden up top. Now that I've got an idea of how the layout has changed I think I'm OK and it might be more navigable. Just got to ignore everything past the top inch of main page and all should be good.
  14. Something the "supplied cables" reminded me of is that APC UPS (at least the ones I've been using) use a non-standard pinout on the DB9 for serial communication. The UPS comes with a cable with the correct pinout on each end. Any chance that's what's causing grief?
  15. Should HID start testing your sanity... Tripplite has a relay card
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