RECEPTION OF SERIES PROBLEM

Hi... everybody... am using LABView 2009

I did a VI.., because I need to receive the data by serialy and I answer back according to the data I received...

here first am transmitting the data permanently (DOCK LIGHT - as a hyper terminal)... and am able to receive the data and also reply back through my VI...

But if transmits me data only once in the DOCK LIGHT get no data...

Please check my code and the answer me back as soon as possible, goes I am attaching my PROJECT.VI..., and Subvi.

also the screenshot of DOCKLIGHT

Concerning...,

Maury

How to run the VI?  You use the button run continuously?

Run continuously is not expected to be used this way.  This is only to test the small screws that will later be used as subVIs and must be called repeatedly.

Second, your serialcomm_subvi initializes and close the serial port whenever it is called.  You probably lose data during initialization or closing the port.

Patches?  Wrap your code inside a while loop.  Add a stop button on your Panel before you stop the loop when finished.  Divide your serialcomm_subvi in three separate subVIs. The first is just the VISA set up series Port.vi.  Place outside the while loop and the name of resource VISA out of wire to the loop. The second part was writing, delay, and read functions. It goes inside the loop instead of your serialcomm_subvi.  The name of resource VISA to configure VI at the entrance of this sub - VI, rather than using local variables of the wire. After the loop put near the VISA.

There may be other problems, but it will help you get started in the right direction.

Lynn

Tags: NI Software

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