Error -200463 When Reading Multiple Digital Lines

Updated Apr 18, 2018

Reported In

Driver

  • NI-DAQmx

Issue Details

I had a NI-DAQmx Digital Input task configured and working properly. When I changed the task to include multiple lines, and I now receive error -200463. How can I fix this?

Solution

The read operation failed because the number of lines in the channel does not match the number of lines in the data. You have modified the task, but not the DAQmx Read. Ensure that the number of lines or array dimension matches the number of lines in the channel.

For example, if you are using boolean data, you will need to change to a 2D boolean since this includes multiple lines. 

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