-Error 209801 high-speed


I'm currentyl mocking a closed loop system and I encounter some performance issues. The detail is in the attachment.

Best regards



  1. 4 kHz is fast enough for a VeriStand system.  Not to say that it is impossible, but just wanted you to know.  Usually, we run our 1 or 2 kHz.  If you look at your screenshot which includes the number of loops to HP, you can see that your system is trolling way.  The number of HP is the number of times where your main loop finished late.

  2. Filtering of the DAQ errors will simply ignore errors coming from your data acquisition tasks (the error you see is your task of AO).

  3. The DAQ error indicates essentially that you aren't juggling with the card.  Since you say that the card you plan to go to 4 kHz, it expects a new sample of VeriStand at this rate.  However, your curls VeriStand currently do not run that fast, then when they fall the DAQ card throw this error because there is no data to write.

Tags: NI Products

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