How to integrate PXI-4204 readings over power line cycle?

[sugeo]

Hello guys,

In my application I am using the PXI-4204 as a multi-channel DMM, where I would take multiple samples in each channel and average them in Labview for my final reading. Is there a way I can synchronize the sampling with the power line? I would like to implement integration over NPLC like in DMMs.

Thanks and hope you can help,

Su Gin

[Henrik_Volkers]

Small transformer, bandpass, (comparator) and external trigger??

Measure the line frequency and just pick the points from one/N periode/s doesn't work?

Message Edited by Henrik Volkers on 04-27-2009 11:47 AM