Is there anyway to read the unscaled voltage from a scaled virtual channel?

I am using DAQmx to read voltage from a SCXI chassis. Programmically in Labview I created a task with virtual channels and custom scales. Later in the program, I wish to view the scaled volatge and the raw voltage at the same time. Is there a property node which will allow me to do so?

Hi Fergusonhd -- yes, there is a way to do this --> Look in DAQmx-> DAQmxAdvanced-> Scale -> Scale Property node.
Drop it in and wire in your scale.(I did it by creating a constant for active_scale) Select the various attributes depending on the type of scale you created and manipulate your signals based on that information - For ex. if you created a linear scale, you could get information about the slope and intercept from this property node -- that being said, you can use this information and do the reverse logic:
[if original was Y=aX+b]
X = (Y-b)/a
where b is the Y intercept and a is the slope
Hope this helps
VNIU

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I am new to labview and have some previously set up code I am trying to work with in a research situation. We have a strain gauge connected to an NI 9237 module which in turn is connected to a cRIO-9022.
Our issue is that during our reading there is an constant upwards trend in the data that occurs over time. We want to check the excitation voltage the 9237 is sending to the strain gauge in software so that we can (hopefully) properly account for any drifting that is occuring in the excitation voltage. In the attached project I have all our code.
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Attachments:
Axial_Force_Omega.vi ‏35 KB

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Is there anyway to read the unscaled voltage from a scaled virtual channel?

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