Instrument Control (GPIB, Serial, VISA, IVI)

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Why the count register dont grow while writting to GPIB bus

Hi,I'm using tnt4882 with a MCU,It can only run once.When I write to tnt4882,it can receive message.but when tnt4882 write back , the program cant go out the writting to GPIB function,because isr3=0x04(E_Done =0 and COUNT dont grow but equal to the original setting value).And TACS is assertted.

 

Thanks for any answers!!!!

 

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