Can I measure AC voltage using FP-AI-102? I want to measure in the range of 0-120 VAC

Hello Luis,
The update rate on the AI-102 module is 360Hz, which means that you can only accurately acquire waveforms with frequencies below 180Hz.
FieldPoint wasn't made for high speed measurements, so you will have to make sure that you are able to acquire the waveform you want to with the hardware that you have.
If you want to know how you would do the acquisition, I urge you to take a look at the LabVIEW shipping examples.
Help»Find Examples... and browse to Hardware Input and Output»FieldPoint»Analog IO
As for writing to the file, you can take a look at examples under Fundamentals»File Input and Output. You can use the functions included in the Functions Palette under Programming»File I/O.
I hope that this helps!
Kameralina
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