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sbrio analog input at -1V

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sbrio analog input at -1V

‎10-01-2015 06:30 AM

Hey guys,

 

I have a question regarding the SBRIO9636 with the eval board. The analog is configured +-1V single ended. Now, if I read the analog input and there is no signal inserted into the port, it gives me -1V, why is it not giving me 0V? As it is a constant value, I cant imagine EMV problems.

 

If there is a signal inserted it works fine.

 

 

Kind regards

 

Slev1n

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Re: sbrio analog input at -1V

‎10-01-2015 07:05 AM - edited ‎10-01-2015 07:06 AM

If the signal is physically disconnected, it will float.

 

Look here for an explanation: http://digital.ni.com/public.nsf/websearch/4E9B8B3F8FD3A31B862562B5004EA1D9?OpenDocument

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