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Can I read and write to a PC parallel port using VISA under LabVIEW?

Hello,

I am interested in finding out if LabVIEW can support data reads and writes over an EPP parallel port using VISA. Could it support IEEE 1284 under this scheme (i.e., high rate data transfers)?

Thanks.

Bob
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There have been several discussions on this here, try to search the archives and you should find some good info. Also search NI's website, they have some good info there as well.

To get you started try,

http://zone.ni.com/devzone/conceptd.nsf/2d17d611efb58b22862567a9006ffe76/0989d3d9dafae64e8625680400679736?OpenDocument

http://digital.ni.com/public.nsf/3efedde4322fef19862567740067f3cc/f4146c66990c46388625695f00726581?OpenDocument

http://digital.ni.com/public.nsf/3efedde4322fef19862567740067f3cc/f3c4ee6ee2c23ef38625646b007882c8?OpenDocument

http://www.advmeas.com/goodies/parallelport.html

These are a few links that should get you started. I think what you'll find is that you can use VISA for writes to port only. To get bi-directional commu
nication you will have to use the in/out port functions.

I hope this helps point you in the right direction.

Brian
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