Indicators of change in level

Hello.

My VI is to measure the water level in a reservoir of Ing and here I have LED indicators to tell me if the level increases, decreases or stable.

There is 1 indicator for each case.

How to compare the current level at the level 1 second ago?

So far, I did the structure of sequence (in a while loop) is compared the value of seq.2 to the following 1.

It only works once.

Any ideas for a solution?

Concerning

Kat

1 student engineer of the year

This feedback node to store the previous level.  From there, just subtract the new and the old and use the sign function.  This will give you an - 1 (descending), 0 (stable) or a 1 (increase).  Just use a case to interpret this structure in your Boolean flags.

Tags: NI Software

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