Instrument Control (GPIB, Serial, VISA, IVI)

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Reading data off of a spectrum analyzer

When using labview to trace data (graph) off a spectrum analyzer over a gpib connection is there always going to be a 2-4 second delay or can it be done in real time?
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It will never be in "real-time" since GPIB communication cannot be done in "real-time". That said, the time required depends on the instrument you're using and the commands you're sending. If you're using a driver that you got on here, it may be that it's forcing a sweep to occur, and the time delay you're seeing is the sweep time. Beyond that, it's pure guesswork until you provide more details.
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EDIT: Double-post. Forums are on the fritz again. NI really needs to get better servers for these forums.
Message Edited by smercurio_fc on 05-26-2010 08:47 AM
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ok thank you!
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