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Data Acquisition in LabVIEW
Summary: In this lesson, you will learn about data acquisition in LabVIEW.
Data Acquisition VIs are located on the
Data Acquisition palette and the DAQmx - Data
Acqusition palette. The Data Acquisition
palette contains the traditional NI-DAQ VIs. The DAQmx -
Data Acquisition palette contains the VIs for NI-DAQmx.
DAQmx - Data Acquisition palette contains all
of the VIs necessary to perform analog I/O, digital I/O, and
counter/timer operations. The VIs are organized so that the most
common operations can be performed using the VIs. You can
configure a task to perform a very specific function by using
the Property Nodes in the palette. Many
applications that do not require advanced timing and
synchronization can be performed by using the DAQ
Assistant Express VI. This course describes the use of
the DAQ Assistant Express VI to perform data
acquisition. For more information on using all the features of
NI-DAQmx, refer to the NI-DAQmx Help or attend the
LabVIEW Data Acquisition and Signal Conditioning
course.
The DAQ Assistant Express VI allows you
to easily configure the data acquisition device. When you place
the DAQ Assistant Express VI on the block diagram,
a dialog box appears where you
configure a local task to perform a specific measurement
function. Creating a local task allows you to specify the exact
type of measurement to take.
 Figure 1 |
DAQ Assistant Express VI.
DAQ Assistant Express VI by
double-clicking the VI and creating a new task.
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Last edited by Elizabeth Gregory on Jul 16, 2004 3:29 pm GMT-5.
"A full introductory course on programming with LabVIEW."