lu01ts@GMX.NET wrote:
>
>Hello picsters,
>
>does anyone here know a source for detailed infomation on the HPIB /
>GPIB (which is the same in my opinion !?) protocol ?
>
>Thanks,
>        Michael
>

HPIB (Hewlett Packard Interface Bus) is just an older name for GPIB (General
Purpose Interface Bus). When IEEE developed the standard, they had to keep
HP's name off of it. (You'll still find the HPIB name used in a few cases
but not generally any more.)

The bus hardware, states and operation are defined in the document 'IEEE
Standard Digital Interface for Programmable Instrumentation' (ANS/IEEE Std.
488.1). My copy is dated 1987, but there may be a later revision.

Another IEEE document titled 'IEEE Standard Codes, Formats, Protocols, and
Common Commands' (IEEE Std. 488.2) details the software end of things. My
copy is dated 1992, but again, there may be a later revision.

A good source for GPIB information is National Instruments at:

http://www.ni.com


Regards, Bob


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