Why amplitude does not equal zero?

Hello

I want to measure the Ridge Crest of a square wave (0, 1-2Vac). I generate and acquire the signal using a USB-6008.

I tried to do it in various ways as you can see in the attachments, but all I get is zero. The signal is perfectly read.

No idea what is the problem?

Heidi

As I said, I can't watch your express DAQ screws, because I don "t have installed DAQmx.

From your description, maybe you read only a single point per iteration. Try to put a collector set to a length of history appropriate before parsing screws see if that makes a difference.

Tags: NI Software

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