How to use the custom scale

Hello

I use the version of LabVIEW 2013. In my program, I used DAQmx create scale (linear). VI before the DAQmx create Channel.vi

I have a 4 to 20mA current signal to be converted into pressure. It's I want any current value comes put DAQmx read to be subtracted by 4mA and then multiplied by 0.375.

If we see equation y = mx + c, and then my x-value data from reading DAQ, m will be 0.375 and orderly will be - 0.0015

If I feed these scale values create, I do not receive correct data. It is that I gave the slope as 0.375 intercept and y as - 0.0015 to create Scale.vi

Is not the right way.

If I try the way ordinary read DAQmx exit, then subtracting 4mA and then multiplying 0.375, I get correct pressure value.

So if I want to the regular way or what I have to do scaling create to manage this calculation. Let me know. Thank you

Hemagopal wrote:
I have 6 bar working pressure of 4 to 20 my. Create scale can be used?

If you are off to a factor of 1000.  Your scale should be y = 375 x - 1.5

Tags: NI Software

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