Tag (Data Acquisition Toolbox)

Tag	Examples See Also

Tag provides a means to identify device objects with a label. Using the daqfind function and the Tag value, a device object that was cleared from the MATLAB workspace can be identified and retrieved.

Characteristics


Device Objects	AI, AO
Class	Common
Access	Read/write
Data Type	String
Modify while Running	Yes

Values

The default value is an empty string.

Example

For example, suppose you want to label the analog input object AI.

set(AI, 'Tag', 'Sound')

If AI is cleared from the workspace, then daqfind and the Tag value can be used to identify and retrieve the object.

clear AI
AIcell = daqfind('Tag', 'Sound')
AI = AIcell{1}