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Instrument Control (GPIB, Serial, VISA, IVI)

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Default GPIB termination character

Thank you, the links were very interesting!

However, I neither use LabVIEW (well, I do actually, but not in this issue),
nor use the low-level VISA routines.  I just have the raw string received from
the instrument.

Well, you whetted my appetite.  I'd be very interested in the various ways
how non-textual messages can be formed in the world of SCPI and/or 488.2
(which seem to be somewhat intertwined).

I knew "#0..." already, and now know "#3123..." from your presentation.
I had also read about things like #B, #H, and #O.  Is there a concise
summary of all this?  The original 488.2 specification is not free for
download, and SCPI doesn't tell much more.

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I'm not aware of any IEEE 488.2 or SCPI syntax summary on NI's web site.  If you Google search on some key phrases, there are some SCPI and IEEE 488.2 syntax tutorials out there in cyberspace.  For example, here's one link that includes syntax info more concisely than the IEEE 488.2 specification:

http://www.few.vu.nl/~elec/products/download/GpibProgTut.pdf

For some years now I've been meaning to create a LabVIEW-focused document on IEEE 488.2 and SCPI command syntax.   Users can make better programming decisions when they have a better understanding of the underlying syntax of the command strings they are formatting or parsing.   I just need to squeeze in some time between my other projects. . . .

Enjoy,
 
Noel
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