suggestion for pH adjustment alogrithm

Hi, here is my code to judge pH and adjust pH using state machine.

I just finished the case when pH > 7.5, I did not the case for pH<>

I understand his very inadequate because it lacks control actual alogrithm; But I really don't know how to program a controller to connect the value of pH and time together.

In VI, you will see that I adjust the pH by opening / closing relay card that pushes further to open/close valve to let flow the electrolyte out / stop.

We will experiment to determine the time of opening and closing valves... It will be invlove much work and I am aware.

Any suggestion about the programming technique, bug, etc. will be appreciated. Thank you!

p.s the delay EIB VI is provided by one of the forum administrators OR.

Hello

-You could wire the stop input in the DAQ assistant and the exit at the end of the loop condition to stop acquiring after 5 seconds.

Concerning

Tags: NI Software

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