Why DAQmx read 200714 error when you save the file?

In particular vi that I created, I have 3 analog inputs coming in and are graphically represented.  If I choose to save the information to a file, a dialog box appears and I can choose what to save it under.  If I take too long to save the file (aka about 8-10 seconds if the sample read rate is 500/s) then I get this error once the file has been saved:

Error-200714 occurred at .vi DAQmx Read (analog 1-d NChan DBL 1Samp)
Possible reasons:
Acquisition stopped because the driver could not transfer the data from the device to the computer's memory rather quickly. This was due to limitations of the computer system.
Reduce your sample clock rate, the number of channels in the task, or the number of programs on your computer that is running simultaneously.

Why the DAQmx bed vi I have this problem when the vi has been idle for 10 seconds then I choose where to save the file?  How can I fix this error?


Hi child of pre-school age,

I think your error might be caused by the read buffer overflow. my suggestions for you would be to either the following four ideas:

1. stop the acquisition before writing the file. This should mean that the DAQmx Read function will no longer be reading and therefore does not generate an error.

2. If you still want to read the data but also write data as well, I think you'd be best suited for use live TDMS. TDMS allows the user to stream to a reading of filewhilst.

3. the configuration backup dialog box file before starting the acquisition. Download the user to enter all data in the file before you start to acquire.

4. change the buffer to unlimited so that you have enough time to navigate the record window.

If you send your VI I can advise others

Let me know how you go,

Tags: NI Hardware

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