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sine generator with phase shift --- 1020 "data queue overflow".

Hey guys,

I am currently using Labview 2009 for creating a sine generator. Now I am faced with the problem that after a while the program sets the outputto a DC offset (failure mode). I need my signal during operation changeable, this doesnt need to happen in real time, but the latency should be less than one second. The output buffer is set to 20000 samples, it is stable but the delay is a few seconds. If I put the buffer to 4000 samples, the latency is less, but the program crashes at some point.
  In highlight mode I always get the error 1020 "data queue overflow".
  Where is my fault?

Thanks for your help!

max

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Hi Max,

 

what Hardware are you using? I dont have any of the subVIs so its hard to say anything. If it is a driver from not NI, its going to be hard to say something and you maybe should contact the vendor of your hardware. If you just build a "wrapper" for DAQmx, then please add the vis.

 

Cheers, RMathews

Ramona Lombardo
Applications Engineer, NI Germany
Certified LabVIEW Developer
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