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Selecting Read and Write Data Format and Organization

Last Modified: January 31, 2020

NI-DAQmx provides multiple VIs and functions for reading and writing data. In many cases, you can use multiple options. This section outlines the options and provides some guidelines to follow to select the best option. Some data formats and organizations are not supported in all ADEs.

The read and write VIs have two major selection criteria: data format and data organization. Data format deals with the type of the data that is returned. For example, counter reads can return integers or floating-point formats. The second category, data organization, deals with the structure the data is returned in. For example, analog reads have a variety of array and scalar organizations.

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