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NI-9871 Read errors

NI-9871 Read errors

‎09-02-2023 07:22 PM

I am receiving read errors from a NI-9871 module while trying to run a loopback test.  I have a cRIO-9040 chassis.  I have tried the loopback test in both scan and FPGA mode with similar results.  When I put the 9871 in scan mode and use the VISA Interactive Control to do a loopback test, I 2 bytes back.  They are \00\00 and there is an error that says "VISA: (Hex: 0xBFFF003E) Could not perform operation because of I/O error."  When I try to run the FPGA 9871 Loopback VI, the read operation returns an error code of 65572 (Serial break error).  

 

Any ideas about what my problem could be?

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