How to create a digital control (of any type) which can be increased or decreased by a 'unit' at the same time?

As in the title.  I want to create a digital control (no current limitation on its type) with a range of 1 to 10 (and a step of 1).  The only difficulty that I have, is that the user should only be able to increase or decrease 1 at any time.  Code initiated by this change of value must have completed at least once before that the value can be changed again.  This is because code of VI is mainly contained in a while loop and control are read once at each iteration and its last value should not differ more than 1.

Is this possible with LabVIEW 6.1 and if so, how?

One of the solutions that I came up with so far is to disable the control immediately after its reading, and to turn it on again immediately seized is read the next time (I have to assume that the user is unable to click twice before the control is disabled).  It is an acceptable method, or is there a better way?

I also had an idea of partially disable a normal digital control, such that it could not be typed in - only arrows remained operational.  However, I'm not sure how.

James

Hi James,

You can use the two buttons (by releasing latch) and a digital display that shows the current value. Button increased the value and the other decreases. Store the value in a shiftregister to work with her.

I don't know if your solution would work because use may directly enter the new value.

It will be useful.

Mike

Tags: NI Software

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