Multifunction DAQ

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Function DAQmxReadCtrFreq : Return value = -200284. Some or all the samples requested have not yet been acquired

Hi,

       I am trying to read the frequency which is set to 1kHz and Duty cycle of 50% and amplitude of 1V.   I am using

DAQmxReadCtrFreq(taskHandle, 1, 30, DAQmx_Val_GroupByChannel, DataArrayFreq, DataArrayDutyCycle, NoOfSamples, SampsPerChanRead, NULL); function.
 
I am using Dev1/ctr0 of PCI 6229 for the measurement.
 
First time I tried with measuring of 10 samples, 10sec Timeout.
Next time I tried with measuring of 1sample and 30sec timeout.
But for both the cases I am getting error as in the attachment.
Anyone help me on this.
Thanks and Regards
Nagaraj B
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