Reset of the CAN bus without knowing the reference of the tasks

Hello everyone,

I use the API CAN channel to read data from a CAN bus while at the same time taking measures using other DAQ devices. When my VI throws an error after the CAN bus has been initialized and started, try to kick start my VI will force the init-start CAN VI throw an error because the channel is never allowed.

Is there a way to clean a channel CAN without having a special reference to the wire? Otherwise, how could I solve this problem?

Thank you!

Erik

Hi Erik,

Is the error that you are experiencing from the same service on a regular basis?  If Yes, what can be done before adding them to the whole application of error handling, you can add a case structure, use the cluster of error in this function to act as the selector for the structure of the case and add a Clear Channel command to the real case of the structure, followed by an error handler.

Now, that being said, I still recommend using throughout the application, management errors, especially if this will be distributed as an executable file.  But for purposes of development, it is perhaps the fastest way to implement a clear failure of the VI function so that it restarts correctly on the next iteration.

Kind regards

-Dave C

Tags: NI Hardware

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