Glossary
PCI-6023E/6024E/6025E User Manual G-16
©
National Instruments Corporation
V
Vvolts
V
DC volts direct current
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
VIH volts, input high
VIL volts, input low
Vin volts in
Vmmeasured voltage
VOH volts, output high
VOL volts, output low
Vref reference voltage
Vrms volts, root mean square
W
waveform multiple voltage readings taken at a specific sampling rate
WFTRIG waveform generation trigger signal
working voltage the highest voltage that should be applied to a product in normal use,
normally well under the breakdown voltage for safety margin.
See also breakdown voltage.
PCI.book Page 16 Wednesday, September 16, 1998 9:09 AM