Log to .daq with session based API

Question

Birger 2012-8-30

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https://ww2.mathworks.cn/matlabcentral/answers/47008-log-to-daq-with-session-based-api

I am trying to upgrade a measurement system from an old PCI ni-card to a new cDAQ-9171. The old card worked with the legacy interface (analoginput), but the new hardware requires the new session-based interface. The data analysing is done on a separate computer using daqread to import the measured data into matlab, and I don't want to rewrite this part of the system.

My question is then: How do I log data to a .daq file from the session-based interface?

- Birger

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Answer 1

Manisha 2012-9-5

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https://ww2.mathworks.cn/matlabcentral/answers/47008-log-to-daq-with-session-based-api#answer_58010

Hi Birger,

The Session-Based Interface currently does not support logging data to a .daq file. However, you can add a callback to the 'DataAvailable' listener and use it to save your data to a MAT-file or any other type of file.

You can look at the following example for more information. This shows you how to save data to .bin file.

http://www.mathworks.com/help/daq/examples/saving-analog-input-data-to-a-file.html

Hope that helps, Manisha