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Unable to fetch samples of the input analog signal

Unable to fetch samples of the input analog signal

HI,

 I am using NI PCI 5640R IF RIO. I use LabVIEW FPGA 2010 in Windows7 with the driver NI 5640R version 1.5 . I'm just trying to run the Example codes which came along with the Driver.

 

 I find that I am able to run only the example project titled "ni5640R Singe Tone Output". When I run the host VI, I observe the expected analog signals from the output ports. But I'm not able to run any other example given along with this driver.

 

So, when I run the project titled "ni5640 Analog Input", I get an error message as "Invalid Calibration"....

  and when I run the project titled "ni5640 Analog Input", I get an error message as "Readback value does not match the written value"....

I have attached the snapshots of the error messages. Kindly take a look at it. Also, I have attached the example codes that I'm using

It would be great if anyone can point out my mistake or suggest a workaround.

My ultimate goal is to send and receive data via the ports using NI 5640R

Thank

Prathee

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