Can you give us more information? Perhaps you can use the streaming feature of the 5421 to this. If you are using LabWindows/CVI you can take a look at the example called: ArbitraryWaveformStreaming.prj
By using this web site, you accept the Terms of Use for this web site. Please read these Terms of Use carefully before using any part of this site. Please go here for information on ni.com's copyright infringement policy.