Some basic questions on TestStand

Hello

I'm new on the test stand and I just finished my first sequence. I have some questions on how to do better.

My sequence steps about 100 it is running. One of the steps that happen quite frequently is a break so that the previous output VI can take effect. Right now I use a VI with one that takes an integer as an input and makes a break during this time. Is there a more elegant way to do it?

VI another I use saves some data and runs all the 6 step or so. The only difference between each execution is a setting of path for the filling of journal to be issued. I wish that the sequence to be as clean and well placed as possible. Is there a clever way to short-circuit the number of steps down?

Basically, it seems that you have basically 3 things that could potentially happen: travel, Journal, break sensor.

So why not create a data type for every thing.  For example, your MoveSensor data type would be a container that looks like this:

MoveSensor

Boolean SensorFlag

Digital NewPosition

Digital CurrentPosition

etc...

Your Log data type would look like this:

Boolean LogFlag

String FilePath

Digital time

etc...

Your break would be just a number (PauseTime)

Then, you bring a container with each type of data into it.  And then do a table of these containers.

Now by using the ForEach flow control step type, you can iterate through the table.  The pseudo code would look like this:

ForEach item in my table

If CurrentElement.MoveSensor.SensorFlag is true

MoveSensor to CurrentElement.MoveSensor.NewPosition

CurrentElement.MoveSensor.CurrentPosition is equal to the new position

If LogFlag is true

Log LogPath (maybe the loop on that for a certain period of time)

Wait (CurrentElement.PauseTime) set to 0 if you do not need to take a break

End ForEach

This way you would add just the elements in the table.  You can also write the array a property object (read about those in the help) file and the test, just read in a different property object file that would fill your table with different values in function.

Hope this helps some,

Tags: NI Software

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