Look to the top of table or a formula node?

Hi all

I'm doing a measurement of the temperature at the moment, and I use Labview to receive data from meaured a microcontroller. However, the measured data are tension, so I want to convert temperature. To do this, I have two ways, the first is to insert a node form, while the other one is to build a lookup table. But I don't know which is better in terms of speed.

If you make a table of choice, I would have about 70000 data, which makes this very large table. I don't know if that's okay?  If the insertion of a formula, the relationship between the voltage and the temperature is very non-linear, I fear, it will also take a long time to calculate. While one is better? Please give me some advice or instructions. Thank you in advance.

Moreover, to do a look up table, I tried to use the scale and mapping.vi. I wanted to define a table interpolated to do the job, but I don't know how to insert my lookup table in the subvi. Could someone tell me?


Tags: NI Software

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