What are you referring to with grounding arrangement? Everything is 
grounded back to the main panel with a 6ga grounding wire. The motor is a 
3hp motor but its usually running at 35%.

On Monday, July 6, 2015 at 11:41:49 AM UTC-4, Curt Carpenter wrote:
>
> 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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