Hello all. I am desiring to count cycles in a current wave. I am measuring current on heater plates and I wish to count each time the current hits a threshold. My issue is that it appears I am counting only groups of cycles instead of individual cycles. The attached screenshot shows an example of my situation. . So in a 1 second time period, the Waveform graph shows about 80 cycles, 40 on the positive side of 0 and 40 on the negative side of 0. Yet, my Cycles counter will only show about 3 or so. As we have seen, the heater plates cycle 24 times ~ 0.16 seconds, then are at rest (~0 amps) for ~0.12 seconds. So in 1 second, you should get about 80 cycles, so our cycle counts should be much, much higher. Is Labview counting a group of 24 cycles as 1 cycle?
I may have a misunderstanding on how the Level and Hysteresis works. I am seeing a peak amperage of roughly 2 amps, so I set this as my level. I then set a Hysteresis of 1.5. So shouldn't this mean that if Labview detects a current within 0.5 to 3.5, it would count this as a trigger? I want to count on the rising edge as a count, so according to the Help for the Basic Level Trigger Detection VI, I would use Level - Hysteresis, which here would be 2 - 1.5 = 0.5. Am I thinking of this wrongly?
