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Last Modified: July 19, 2019

Specifies whether to enable logging and whether to allow reading data while logging. Log mode allows for the best performance. However, you cannot read data while logging if you specify this mode. If you want to read data while logging, specify Log and Read mode.

Data type: datatype_icon

Name Value Description
Off 10231 Disable logging for the task.
Log 15844 Enable logging for the task. You cannot read data using DAQmx Read when using this mode. If you require access to the data, read from the TDMS file.
Log and Read 15842 Enable both logging and reading data for the task. You must use DAQmx Read to read samples for NI-DAQmx to stream them to disk.

Long Name: Read:Logging:Mode

Class: DAQmx Task

Permissions: Read/Write

Where This Property Is Available:

Desktop OS: Windows

FPGA: Not supported

Web Server: Not supported in VIs that run in a web application

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