How to adjust a size of "control array".

I have a program that creates a Digital PWM with duty ratio variable. Changes in cycle duty every 50 ms, but the frequency of global wave remains at a frequency determined by the user. I have attatched to VI.

My problem is the following... I need to be able to control the overall cycle time. This means that the size of my table to cycles it will have to adjust depending on the time of the cycle (either a duration of 1 second would require 20 slots of 50 ms, while a second 1.3 cycle would need 26).

I currently have only 4 slots in my table, which means the total s est.2. I understand how to manually add and remove items in the table, but I can't understand how to add a control to it so that the size of the table changes automatically, allowing much more rapid data entry. Right now I can make it work, it takes just super long to add or remove items from the table. The perfect situaton would have a constant control for cycle divided by 50 times, that would change the size of the array.

I can't find any info on this, and I think I've even seen a message asking to add this kind of functionality. I am relatively new to this program.

Thank you

You can do this in two ways.  You can have a constant matrix with the maximum number of ellements you need and then use the subset of table to select the part you want.  The second option is to use the array to initialize and connect the entrance to size of the array to your control.

Tags: NI Software

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