After getting the PWM sorted i have a problem with changing the duty cycle and getting a change in the PWM it always give an error -50103

[kennyadenusy]

After getting the PWM sorted i have a problem with changing the duty cycle and getting a change in the PWM it always give an error 50103.Please find an attached vi.

[AdamB]

Hi there,

You seem to be trying to open a new reference to a resource that has already been reserved every time you execute the while loop.

Error -50103 is a resource reserved error. (If you go to Help>>Explain Error and in the dialogue box input the full error, you will get an indication of the problem.)

I would also try highlight execution.

I would suggest that you take all of the configuration vi's outside of the while loop.  You only ever need to update the channel names and frequency once.

See attached:

Hope this helps

AdamB

[kennyadenusy]

am still have the problem,i want to change the duty cycle as the vi is running and getting a change with in the PWM

[JonBowers]

Hi Kenny,

You need to write both the duty cycle and the frequency each time you update the specs for the pwm. You can't just write to one of these properties.

Regards

Jon B
Applications Engineer
NI UK & Ireland

[kennyadenusy]

I was able to tune the duty cycle update to be updated manually.Thanks