Instrument Control (GPIB, Serial, VISA, IVI)

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Visa Error -1073807246

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Hello all , 

I am realizing a  simple VI that receives the state of 4 sensors through serial connection , and then displays them as LED outputs . 

 

The problem is that am getting a  " VISA error (Hex 0xBFFF0072) -1073807246 : The ressource is valid but visa cannot currently access it " . 

Is it a  VISA driver problem ,  a subVI configuration error or a number of bits compatibility ? 

 

I'm attaching the VI and a screenshot of the bits received on my HyperTerminal . 

Any help is much appreciated . 

Best regards . 

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Accepted by topic author Houssem95

A serial port can only be accessed by one application.  This means you cannot have Hyper Terminal open at the same time as your application.


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