Instrument Control (GPIB, Serial, VISA, IVI)

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Programming TNT4882AQ

Hello,

 

I recently successfully implemented GPIB communication with TNT4882BQ chip. However, when I used the same program on a 4882AQ chip, nothing worked. The NI Max could not detect the interface. When I repeated reading the ADDR0, it shown the correct address at beginning, but soon changed to zero. 

 

Does anybody know what os wrong, and why the the program works on BQ does not work on AQ?

 

Thank you.

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