National Instruments 373873C-01 用户手册

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7-1
7
Extending LabVIEW 
SignalExpress Projects with 
LabVIEW
You can use LabVIEW SignalExpress to define automated measurements 
by using built-in steps for acquiring, generating, analyzing, or logging 
signals. You can extend the functionality of LabVIEW SignalExpress 
projects by using LabVIEW in the following ways:
Build a VI in LabVIEW and import this VI into LabVIEW 
SignalExpress to provide custom step functionality and expand the 
number of steps available in LabVIEW SignalExpress.
Convert a LabVIEW SignalExpress project to a LabVIEW block 
diagram to continue development in LabVIEW.
You must have LabVIEW 7.1 or later to complete the exercises in this 
chapter.
Importing LabVIEW VIs into LabVIEW SignalExpress as 
Steps
Use the Run LabVIEW VI step in LabVIEW SignalExpress to call custom 
LabVIEW VIs. You can call a LabVIEW VI from LabVIEW 
SignalExpress to do the following:
Control GPIB instruments
Control National Instruments hardware that LabVIEW SignalExpress 
does not support
Read or write data to more file formats
Display operator instructions in a pop-up dialog box
Define a measurement algorithm