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Glossary
PCI-1200 User Manual G-8 © National Instruments Corporation
V
Vvolts
V
in
positive/negative input voltage
V
cm
common-mode noise
VDC volts direct current
V
diff
differential input voltage
V
EXT
external voltage
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
m
measured voltage
Vrms volts, root-mean-square
V
s
signal source
W
W watts
WRT* write signal