Instrument Control (GPIB, Serial, VISA, IVI)

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Can I access the API functions from visa32.rtdll the same was accessing visa32.dll

Hello All,

                I am programming an application in MSVC++ to configure and access a PXI6509 card under RTX. I have successfully demostrated that calling the API functions in visa32.dll I can talk to the card , input and output. Now, I am trying to do the same under RTX9.0. I load the visa32.rtdll which is loaded successfully, but the visa functions such as ViOpen(), viDefaultRM return error 0xBfff0000.

 

The versions I have installed.

 

NI-VISA 3.1

NI-VISA for RTX 4.0

Labview Runtime for RTX 7.1

 

Can anyone letme know if I can use the visa32.rtdll (RTX) directly called from a c++ program and configure my card. Has anyone tried this before.

 

Thanks,

Skuchi

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