Glossary
©NationalInstruments Corporation G-3 SCXI-1190/1191/1192User Manual
N
NI-SWITCH anIVI-based instrument driver that supports the National Instruments line
ofswitch cards
P
PXI PCI with eXtensions for Instrumentation
R
RF radiofrequency
relay asw itch that connects or disconnects the signal to a common through the
physicalmovement of a metal arm
rms root mean square—the square root of the averagevalue of the square of the
instantaneous signal amplitude; a measure of signal amplitude
S
s seconds
SCXI Signal Conditioning eXtensions for Instrumentation—the National
Instruments product line for conditioning low-level signals within an
externalchassis near sensors so only high-level signals are sent to DAQ
boards in the noisy PC environment
V
V volts
VDC volts,direct current
Vp-P voltspeak to peak