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Find Profinet problems: Difference between revisions
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→Communication relations
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How is the jitter calculated? The clock period of two adjacent frames is calculated | How is the jitter calculated? The clock period of two adjacent frames is calculated | ||
by using the cycle counters. It is then compared to the | by using the cycle counters. It is then compared to the measured time between | ||
these two frames. A good jitter value would be zero, meaning all frames arrive | these two frames. A good jitter value would be zero, meaning all frames arrive | ||
without deviation within the same clock period. A poor jitter value would be equal to | without deviation within the same clock period. A poor jitter value would be equal to | ||