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I'm having unusual problems with data acquisition where the waveform charts that I am using no longer read the input array data. I probe the input array (multi-dimensional) and the values are as expected, but the chart shows nothing (digital display reads all zeroes). When I wire each array individually the chart does graph the one plot. I am puzzled as to why this happens. The program itself intrinsically has worked in the past.
Can you strip down your code to something that you can show us? At the top of my head, I'm guessing that you are building your array wrong.
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