I've not seen the problem with a BB, but have you taken a look at your 
grounding arrangement?  How big is that motor?

On Monday, July 6, 2015 at 8:44:19 AM UTC-5, Craig Zych wrote:
>
> I have a beagle bone black in a steel box with all shielded sensor wires. 
> Next to it is a VFD driving a motor. When the VFD is off everything works 
> like a charm. When the VFD runs the ADC shuts down after a couple minutes.
>
> The script starts shooting out errors about AIN file locked.
>
> Any suggestions for isolating that noise? Im thinking ferrite chokes.
>
> Also has anyone else ran into this?
>

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