Chapter 2 DAQ System Overview
© National Instruments Corporation 2-5 NI USB-621x User Manual
Programming Devices in Software
National Instruments measurement devices are packaged with NI-DAQ
driver software, an extensive library of functions and VIs you can call from
your application software, such as LabVIEW or LabWindows/CVI, to
program all the features of your NI measurement devices. Driver software
has an application programming interface (API), which is a library of VIs,
functions, classes, attributes, and properties for creating applications for
your device.
USB-621x devices use the NI-DAQmx driver. NI-DAQmx includes a
collection of programming examples to help you get started developing an
application. You can modify example code and save it in an application.
You can use examples to develop a new application or add example code to
an existing application.
To locate LabVIEW, LabWindows/CVI. Measurement Studio, Visual
Basic, and ANSI C examples, refer to the KnowledgeBase document,
Where Can I Find NI-DAQmx Examples?, by going to
ni.com/info
and entering the info code
daqmxexp.
For additional examples, refer to
zone.ni.com.
Table 2-1 lists the earliest NI-DAQmx support version for each
NI USB-621x device.
Table 2-1. NI USB-621x NI-DAQmx Software Support
Device NI-DAQmx Version Support
USB-6210/6211/6215/6218 Screw
Terminal
NI-DAQmx 8.3 and later
USB-6212/6216 Screw Terminal NI-DAQmx 8.6 and later
USB-6212/6216 Mass Termination NI-DAQmx 8.7.1 and later
USB-6212/6216/6218 BNC NI-DAQmx 8.9 and later
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