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Easy I/O for DAQ Library Chapter 10
LabWindows/CVI Standard Libraries 10-2 © National Instruments Corporation
The Easy I/O for DAQ functions are device independent which means that you can use the same
function on a Lab series board, an MIO board, an EISA-A2000 or SCXI module.
Limitations of Using the Easy I/O for DAQ Library
The Easy I/O for DAQ Library currently only works with Analog I/O, Counter/Timers, and
simple Digital I/O.
The Easy I/O for DAQ Library does not currently work with multirate scanning.
Easy I/O for DAQ Library Function Panels
The Easy I/O for DAQ Library function panels are grouped in a tree structure according to the
types of operations performed. The Easy I/O for DAQ Library function tree is in Table 10-1.
The first- and second-level bold headings in the function tree are names of the function classes.
Function classes are groups of related function panels. The third-level headings in plain text are
the names of individual function panels. Each Easy I/O for DAQ function panel generates a
function call. The actual function names are in bold italics in columns to the right.
Table 10-1. Easy I/O for DAQ Function Tree
Analog Input
AI Sample Channel AISampleChannel
AI Sample Channels AISampleChannels
AI Acquire Waveform(s) AIAcquireWaveforms
AI Acq. Triggered Waveform(s) AIAcquireTriggeredWaveforms
Asynchronous Acquisition
AI Start Acquisition AIStartAcquisition
AI Check Acquisition AICheckAcquisition
AI Read Acquisition AIReadAcquisition
AI Clear Acquisition AIClearAcquisition
Plot Last Waveform(s) to Popup PlotLastAIWaveformsPopup
Analog Output
AO Update Channel AOUpdateChannel
AO Update Channels AOUpdateChannels
AO Generate Waveform(s) AOGenerateWaveforms
AO Check Waveform(s) AOCheckWaveforms
AO Clear Waveform(s) AOClearWaveforms
(continues)