buold a mask for a waveform

[gigi85]

hello to all, 

i have to build a mask for a signal and check if the real signal stay in my mask range...

in what way can i build it?

for example: i have as input a square waveform -2V,+2V, f=1 KHz

my range in +/- 0.2V

obviosuly i would that labview could overlap my waveforms and check if the real one stay into the other two.

[Dennis_Knutson]

In LabVIEW, a mask test is done with the Limits function.

[gigi85]

i found mask and limit testing VI in labview...but using it can i build a mask that continue in time? or can only define a mask for a small period of time? 

and in which way can i let my waveform start in the same moment as my mask? 

[Dennis_Knutson · Accepted solution]

The limits are bound by whatever length of time, however as a practical matter, you would set the limits according to whatever your single acquisition is. You can of course apply each, repeated waveform acquisition to the limit.

The limits and the waveform is aligned with setting the t0 of each to be the same.