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Question about seeing the absolute of a signal

Question asked by borano on Jan 5, 2014
Latest reply on Jan 6, 2014 by algoss

I am trying to send the absolute of a sine signal to the daq card using simulink and connected it to the DSO3062A oscilloscope to see if I am sending the right signal. Matlab shows that I am sending the signal correctly, it is an absolute sine wave oscillating between 0 and 1 but oscilloscope shows that it is oscillating between -0.5 and 0.5 volts which should not be possible since I am sending the absolute of the signal. Is this device keep its reference point always at zero even if I send the absolute of the signal? 

Thanks for your help.