how to convert analog signals to digital signals(voltage)using labview

[vimmy]

In my experiment, I am using a NI USB 6211, the output from a photodetector is given as the anlaog input to NI USB 6211, I would like to read the voltages obtained ie convert the analog signals to digital signals and read & write them using LabVIEW.

Thank you. 

[Pattos]

Hi Vimmy,

I assume that you are relatively new to LabVIEW, so I would suggest, that you take a look at the Tutorials, especially DAQmx.

For specific information on your problem you take a look at the Example finder.

Hope you find what you are looking for.

Cheers,

[Steve_B]

Hi vimmy,

It sounds like you are interested in the Analog to Digital VI. This can be found on your functions palette under Programming>>Waveform>>Analog to Digital.vi. This VI can be used to convert an analog signal to a digital signal. You can find additional information about the VI in the LabVIEW help as well.

[vimmy]

Yeah, I am very new to labVIEW and basically me being a Mechanical Engineer I dont have good background on the terminology too. So when I used Labview signal express to meausre the signals, I got the numerical values directly into an excel file. So does that mean: the values obtained are already converted to digital and then presented in numerical form.

Thank you. 

[Dennis_Knutson]

Yes, that is correct.

And, if you are using Signal Express instead of LabVIEW, post your questions to that board.