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National Instruments Corporation
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NI myDAQ User Guide and Specifications
NI-DAQmx
NI-DAQmx Help
—This help file explains key NI-DAQmx concepts,
describes how to create common applications, and details device-specific
information needed to use NI-DAQmx.
Other Resources
•
ni.com/mydaq
—Contains product information, support information,
and helpful links to tutorials, examples, curriculum, videos, and more.
•
ni.com/lv101
—Contains learning modules for basic Core
LabVIEW Concepts, hardware connections, and other measurement
and analysis tasks.
Common Terms and Acronyms
Table 7 lists some commonly used acronyms in data acquisition and
measurement.
Table 7.
Commonly Used Acronyms
Acronym
Definition
Description
ADC
Analog-to-digital converter
Device that converts analog signals into digital data.
AI/AO
Analog input/analog output
A continuous signal that conveys data from physical
phenomena such as temperature, strain, pressure,
sound, or light.
DAC
Digital-to-analog converter
Device that converts digital code into analog signals.
DAQ
Data acquisition
Measuring an electrical or physical phenomenon such
as voltage, current, or temperature using a
combination of hardware and software.
DIO
Digital input/output
A non-continuous signal that conveys data in digits or
pulses that can be logged as digital data or converted
into an analog signal for viewing.
GND
Ground
The ground or earth reference in a circuit.
MIO
Multifunction input/output
The collective term for multiple measurements types,
such as AI, AO, DIO, GND, and power signals.
PFI
Programmable Function
Interface
A signal that can be configured for different uses, such
as a digital input, a digital output, a timing input, or a
timing output.
