Create multiple vertical lines for waveform graph

Hi all

I use NI 9234 USB vibration of rotating machinery data acquisition. A simple VI was made for this.

The next step is the analysis, signals were well displayed waveform, time, FFT, all important values... and so on.

But I have a problem with multi vertical lines of the waveform graphs, it looks very simple, and I tried many ways but have yet to get it with a good solution.

Vertical lines are used to display the frequency of breakdowns of machines (such as we post 1 X, 2 X, 3 X,... more harmonics).

Does anyone have a solution for this problem?

Thank you very much!!!

Here's a very quick example (LabVIEW 8.2)

Tags: NI Software

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