National Instruments NI USB-9421 用户手册
© National Instruments Corporation
5
NI USB-9421 User Guide and Specifications
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Taking Measurements—Contains the conceptual and how-to
information you need to acquire and analyze measurement data in
LabVIEW, including common measurements, measurement
fundamentals, NI-DAQmx key concepts, and device considerations.
information you need to acquire and analyze measurement data in
LabVIEW, including common measurements, measurement
fundamentals, NI-DAQmx key concepts, and device considerations.
LabWindows/CVI
The Data Acquisition book of the LabWindows/CVI Help contains
measurement concepts for NI-DAQmx. This book also contains Taking
an NI-DAQmx Measurement in LabWindows/CVI, which includes
step-by-step instructions about creating a measurement task using the DAQ
Assistant. In LabWindows
measurement concepts for NI-DAQmx. This book also contains Taking
an NI-DAQmx Measurement in LabWindows/CVI, which includes
step-by-step instructions about creating a measurement task using the DAQ
Assistant. In LabWindows
™
/CVI
™
, select Help»Contents, then select
Using LabWindows/CVI»Data Acquisition.
The NI-DAQmx Library book of the LabWindows/CVI Help contains
API overviews and function reference for NI-DAQmx. Select Library
Reference»NI-DAQmx Library in the LabWindows/CVI Help.
API overviews and function reference for NI-DAQmx. Select Library
Reference»NI-DAQmx Library in the LabWindows/CVI Help.
Measurement Studio
If you program your NI-DAQmx-supported device in Measurement Studio
using Visual C++, Visual C#, or Visual Basic .NET, you can interactively
create channels and tasks by launching the DAQ Assistant from MAX or
from within Visual Studio .NET. You can generate the configuration code
based on your task or channel in Measurement Studio. Refer to the DAQ
Assistant Help for additional information about generating code. You also
can create channels and tasks, and write your own applications in your
ADE using the NI-DAQmx API.
using Visual C++, Visual C#, or Visual Basic .NET, you can interactively
create channels and tasks by launching the DAQ Assistant from MAX or
from within Visual Studio .NET. You can generate the configuration code
based on your task or channel in Measurement Studio. Refer to the DAQ
Assistant Help for additional information about generating code. You also
can create channels and tasks, and write your own applications in your
ADE using the NI-DAQmx API.
For help with NI-DAQmx methods and properties, refer to the NI-DAQmx
.NET Class Library or the NI-DAQmx Visual C++ Class Library included
in the NI Measurement Studio Help. For general help with programming in
Measurement Studio, refer to the NI Measurement Studio Help, which is
fully integrated with the Microsoft Visual Studio .NET help. To view
this help file in Visual Studio. NET, select Measurement Studio»
NI Measurement Studio Help.
.NET Class Library or the NI-DAQmx Visual C++ Class Library included
in the NI Measurement Studio Help. For general help with programming in
Measurement Studio, refer to the NI Measurement Studio Help, which is
fully integrated with the Microsoft Visual Studio .NET help. To view
this help file in Visual Studio. NET, select Measurement Studio»
NI Measurement Studio Help.
To create an application in Visual C++, Visual C#, or Visual Basic .NET,
follow these general steps:
follow these general steps:
1.
In Visual Studio .NET, select File»New»Project to launch the New
Project dialog box.
Project dialog box.
2.
Find the Measurement Studio folder for the language you want to
create a program in.
create a program in.
3.
Choose a project type. You add DAQ tasks as a part of this step.