Generating continuous 2 AO waveform by using DAQ-6002 but got repeated signal at 1 sec? Why?

[Shesha12345]

Hello Everyone,

I am use the LAB VIEW VI, to generate 2 AO waveform at the same time, but when I see the output on the Oscilloscope I get the repeated signal for every 1 sec. My sampling freq is 5K and samples to read also 5K.
Please help me why I got repeated signal, I want continuous signal of a particular frequency.
Please find attached file of LAB VIEW VI, and Oscilloscope plots.
Thanks 

[Sogekking091]

Hi Shesha12345,

I saw that the reading rate on your oscilloscope is around 16Hz, am I correct? have you ever tried to increase the reading rate?

Have you tried to read the signal using your DAQ-6002 analog input by running the test panel of ni MAX?

[Shesha12345]

Dear Sogekking,
Thanks for the reply, actually my frequency is 16.67 Hz at 33.33% duty cycle and when I check the output in Oscilloscope I get repeated or mix signal after every 1 sec. I am wondering why I get this type of mixed signal for every 1-sec time scale. I think maybe USB-6002 DAQ device issue, maybe it was not supported that type of generation. I want to generate a square wave of 16.67 Hz frequency at 33.33% duty cycle, but I don't know why I get this type of signal, my desire waveform is continuous not repeated or mixed for every 1 sec.

And I don't know the test panel of ni MAX?

[Sogekking091]

Hi Shesha12345,

Instead of using the oscilloscope, try to read the signal using your DAQ device by referring to the link below on how to use the test panel.

http://www.ni.com/tutorial/4638/en/