Circuit breaker

[ummy123]

Hi friends,

I designed circuit breaker using LabVIEW 2012. Everything working fine as individual module but when integrating all the modules using sub VIs its not working.

Kindly help me to fix this issue.

For your reference I hereby attach the project file. please have a look and let me know if there is any correction.

[crossrulz]

The project file contains no code.  So it is useless right now.  Zip your entire project together and post the zip file.  From there we can help debug.

[RavensFan]

How do you design a circuit breaker in LabVIEW?

A circuit breaker is a piece of physical hardware for controlling the flow of electric current.  LabVIEW is software for writing programs.

[billko]

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@RavensFan wrote:

How do you design a circuit breaker in LabVIEW?

A circuit breaker is a piece of physical hardware for controlling the flow of electric current.  LabVIEW is software for writing programs.

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Maybe "VCB" stand for "Virtual Circuit Breaker?"  At any rate, Lynn would recommend that any emergency override like this should probably be hardware-based because computers can go down, code can fail.  I support this view.

[ummy123]

Sorry, Now I hereby attach the zipped folder.

[billko]

Your main vi doesn't appear to have anything in it.  Could you post an example of your seris and parallel being used as subvis?

thanks!  🙂

[Dennis_Knutson]

And now you've attached a top level VI without any code.

If in some VI, you are calling those other VIs, then of course you have problems. Each of those have a while loop. Without showing the front panel, they run forever and you cannot stop them. Since they do not stop, nothing gets returned to the main. Basic dataflow. Simplest thing would be to remove the while loops in the subVIs.

Still don't understand the reference to circuit breaker.