| Products > Test Equipment |
| Screen Grabs on TDS series scope over GPIB? |
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| rx8pilot:
I really appreciate the recommendations. There is a ton of random GPIB adapters out there and it is hard for a newcomer to understand the differences. |
| alex.forencich:
Actually, the Tektronix AD007 could also work. The communications protocol does not seem to be listed in the features section of the manual, but there are some references to VXI-11 in the manual so it seems like it should work. There are a couple of these on ebay right now for relatively cheap. Edit: confirmed that they do speak VXI-11, according to this page: http://forums.ni.com/t5/Instrument-Control-GPIB-Serial/Is-it-possible-to-use-NI-VISA-2-5-with-Tektronix-AD007-ENET-GPIB/td-p/39749 |
| Narmaraktuk:
--- Quote from: rx8pilot on February 23, 2015, 06:32:00 pm --- The Galvant was an experiment. If it cannot allow chaining of many instruments, I will move on to a more supported way of getting connected. --- End quote --- The galvant allows you to reconfigure the gpib address, so daisy chaining should work. I only use it through the python github instrumentkit project, which provides higher level functions on top of the base gpib commands. Instrumentkit gives you drivers, that you tie to gpib addresses in your own scripts. The scripts can then manipulate the driver objects to make your instruments measure or report. Readdressing galvant then happens 'automatically' in the background. |
| Narmaraktuk:
--- Quote from: rx8pilot on February 22, 2015, 06:42:23 pm ---I am trying to figure out how to get screen grabs from a Tek TDS754C over GPIB. --- End quote --- FYI: I had a quick look and there are tds244 and tds5xx drivers in instrument kit. Both have capture waveform functions. I don't know how well these travel to your device + you would still need to plot it somehow, so some DIY will be needed if the galvant is still in play. |
| iDevice:
--- Quote from: rx8pilot on February 23, 2015, 06:57:12 pm ---I really appreciate the recommendations. There is a ton of random GPIB adapters out there and it is hard for a newcomer to understand the differences. --- End quote --- In my experience, the safest road is a NI PCI GPIB board. It's 100% supported obviously, can support many un-powered devices on the bus (I have 6 devices and 5 can be powered down without issues). Took me about 15 minutes the first time I used the plotter emulator, most of it finding how it worked and which configuration I had to use. The emulator uses the GPIB.DLL by default, so nothing to tweak to have it recognize the card. The only drawback is that you need a PCI slot and such card can cost between 50 and 200$ depending of your luck. |
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