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Glossary
VXI-SC-1102/B/C User Manual G-6
©
National Instruments Corporation
VI virtual instrument—(1) a combination of hardware and/or software
elements, typically used with a PC, that has the functionality of a classic
stand-alone instrument (2) a LabVIEW software module (VI), which
consists of a front panel user interface and a block diagram program
V
IH
volts, input high
V
IL
volts, input low
V
in
volts in
VISA a new driver software architecture developed by National Instruments
to unify instrumentation softwareGPIB, DAQ, and VXI. It has been
accepted as a standard for VXI by the VXIplug&play Systems Alliance.
V
OH
volts, output high
V
OL
volts, output low
VXIbus VMEbus eXtensions for Instrumentation
VXIplug&play A group of VXI developers dedicated to making VXI devices as easy to
Systems Alliance use as possible, primarily by simplifying software development
W
waveform a time-varying physical phenomenon, often measured in voltage