for loop beahviour

[Daigon]

hello everyone,

sorry for the stupid question, but I have a problem with a for loop.

In the following scheme

the second "for" loops only once. If i do not connect the two loops, the second for works correctly (and the index i goes rightly to 1 after the execution), while if i connect them the index stops to 0 (so, I have only one iteration instead of two).

Do you know where could be the problem?

Thank you a lot in advance

[MatthieuD]

Hi There,

This is the expected behavior, a loop will only execute when all it's input are available. If you don't wire the 2 loops, then you launch parallel processes>>they will execute as soon as possible. If you wire them , then the second loop waits for the first to be completed before starting.

Matthieu

[altenbach]

Please attach an image that shows readable code, or even simply attach the VI. There is no way to tell what is going on from your blurry image.

• What are the values of the diagram constants wired to the various N's?
• Which of the tunnels are autindexing? Which one's are plain?

A FOR loop will loop as many times as given by N or by the array size of the smallest autoindexing input array, whichever is smaller. For example if an autoindexing input array is of size=1, the loop will only spin once, no matter what you wire to N.

[Daigon]

ok, thank you so much. Now I understood my problem.

ps: sorry for the blurry image.