matlab script of labview keeps executing multiple times,

[CHINTAN_11NOV]

i have some code for serial communication in matlab , i want to use it in labview for easier and better gui design. for that i have used matlab script node in labview. it seems that labview keep executing the matlab script but i want labview to execute it only once.is there any way to do it?

[altenbach]

Can you show us some code?

[CHINTAN_11NOV]

i am attaching a vi file. this vi sends 'h' to the com1 continuously but i waant it to send only once.

[BillMe · Accepted solution]

I don't see how that can be happening unless you are running this VI in "continuous" mode.

[CHINTAN_11NOV]

Thank you Bill