Measuring RMS Current With NI-9246,NI-9227 and NI-9219

Updated Sep 28, 2024

Reported In

Hardware

  • NI-9246
  • NI-9227
  • NI-9219

Software

  • LabVIEW

Issue Details

How to measure the input RMS value of those modules?
Is there any existing function in LabVIEW which allow to do that?

Solution

There are two functions that could help : 

1) AC / DC Estimate function
Name 1.PNG
You can find it in the Signal Processing Menu in LabVIEW. Then, you have to go into the Sig Operation menu as below :
 
Path 1.PNG

2) Basic Averaged DC-RMS function
Name 2.PNG

You can find it in the Signal Processing Menu in LabVIEW. Then, you have to go into the Wfm Measure menu as below :
 
Path 2.PNG
 
 

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