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Monkey_noise
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Re: GPIB
Monkey_noise   5/2/2014 4:40:01 AM
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@Measurement.Blues

'VXI was adopted by the mil/aero/defense business, where it remains today.'

Aha! That explains why I knew of VXI and my instructor didn't. I work for a defence company. Thanks for the info.

ChristophZ
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Rookie
GPIB has to die, SCPI does not
ChristophZ   5/2/2014 3:36:34 AM
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I fully agree with the article. GPIB has to die in production environments. It's very narrow use case makes everything horrible expensive with long delivery times etc.

 

But, it seems to me that lot of people don't realize that when you switch to USB (USB TMC) or Ethernet (LXI) you only switch the physical interface. The IEEE488.2 and SCPI standards are still valid and will be valid for other decades. So all your knowlede how to talk to a measuring device is still true, you are just using another plug on your computer :-)

Measurement.Blues
User Rank
CEO
Re: T&MW 1992 cover
Measurement.Blues   5/1/2014 9:35:37 PM
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This ad was on the back cover of the issue.



Measurement.Blues
User Rank
CEO
Re: GPIB
Measurement.Blues   5/1/2014 9:34:30 PM
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I was flipping throu my copy of Test & Measurement World October 1992 (see cover image above) and found this GPIB ad. CEC was eventually acquired by National Instruments.



Measurement.Blues
User Rank
CEO
T&MW 1992 cover
Measurement.Blues   5/1/2014 9:22:28 PM
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If anyone would like to see the cover story, PC-based instriments vs. production test, just ask. I'll scan it into a PDF and provide a link.

Measurement.Blues
User Rank
CEO
Re: GPIB
Measurement.Blues   5/1/2014 9:17:33 PM
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@Monkey_noise

VXI was adopted by the mil/aero/defense business, where it remains today. Commerical industries either never tried it because of size/cost or gave up because of initial interoperability issues. VXIplug&play (Now IVI) fixed that, but then came PXI, which was smaller, less expensive and more interoperable. that was particularly because it was all made by National Instruments. Over time, PXI and now PXIe have become very popular for manufacturing test. Performance now rivals traditional box instruments except for power supplies.

Measurement.Blues
User Rank
CEO
Re: Win 7 / Win 8 support?
Measurement.Blues   5/1/2014 4:46:07 PM
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No operating system has ever included support for GPIB. Well, mayne some HP controllers when GPIB (HP-IB) was first developed. GPIB interface manufactures have alwasy provided drivers for the hardware and still do.

tom-ii
User Rank
Blogger
Re: GPIB cables
tom-ii   5/1/2014 4:02:54 PM
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ha!  I lol'd!

tom-ii
User Rank
Blogger
Re: GPIB cables
tom-ii   5/1/2014 4:02:37 PM
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I actually did that once.  I put (nearly) an entire rack into a single NI PXI chassis...  For about 1/3 the cost, and a lot less cabling.

 

Yeah, I like the PXI stuff, but if that's not an alternative, I'll still stick with something like Ethernet.  Even USB isn't too bad in some cases, especially if the connectors are not accessible by monkeys...  (I've seen the screwed down with special hardware)

jonnydoin
User Rank
Blogger
Re: GPIB
jonnydoin   5/1/2014 3:26:21 PM
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HPIB was a very sound interface design that was clearly much ahead of its time. It endured generations of instruments and digital electronics technologies. Designing interfaces for HPIB was a breeze, with clearly defined addressing, interrupt and talk/listen paradigm. Of course, the addressing space is rather small, fixed addressing for nodes is limiting, and auto discover address resolution protocols are much more flexible, but HPIB networks still work very reliably. A piece of sound electrical engineering from the 60's that still inspires my designs of embedded systems of today. - Jonny

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