dynamic data in the formula is originally running slow and weird results

I am collecting 11 channels of analog input voltage, then perform a series of calculations (different, editable) on each channel of the voltage to convert each temperature sensor.

My first step in calculations (with the help of multiply, subtract and divide blocks) works very well.

My second step of calculations (which includes a natural logarithm "ln") is performed with the formula block. However, the formula block has three red arrows where are the constants of entry, and the results of the formula block are intermittent and incorrect (if drawn, drop the lightning just drawn what looks like a value of 1 intermittently... If saved to a csv file, the results show a bunch of zeros and then a row of values, then more zeros).

I don't know if I need to convert my dynamic data in a table before feeding in the formula, or if there is another way by applying a complex formula of dynamic data, or...? I would stick with dynamic data because it makes tracing easier, but I'm open to other suggestions.

The answer is very simple- do not use Dynamic Data.  I have never understood why NEITHER created this (other than to show "how easy it is to collect the DAQ and screw Express Wizard" (and not to mention that you lose a lot of control over what you do).)  There have been many questions here in the Forums and a number of players with a lot more experience I have also made the same recommendation.

I don't know where the dynamic data in your case.  If it came from the DAQ Assistant, by all means read this and get rid of this wizard!

Bob schor

Tags: NI Software

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