I am using NI 9401, and configured it to Quadrature mode to measure speed of a motor.
The sample rate is set to 2ms. I use a TDMS file to store data, those data are input voltage, speed (in rad/s), and time (ms).
It seems the update rate of the velocity is very low, 10ms, that is 100Hz. I don't know why. Does anybody have the problem or any solution?
Thanks a lot.
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vivozhang
