National Instruments PCI-6110E/6111E User Manual
Page 101
Glossary
G-8
© National Instruments Corporation
PFI4/GPCTR1_GATE
PFI4/general-purpose counter 1 gate
PFI5/UPDATE*
PFI5/update
PFI6/WFTRIG
PFI6/waveform trigger
PFI7/STARTSCAN
PFI7/start of scan
PFI8/GPCTR0_SOURCE
PFI8/general-purpose counter 0 source
PFI9/GPCTR0_GATE
PFI9/general-purpose counter 0 gate
PGIA
Programmable Gain Instrumentation Amplifier
port
(1) a communications connection on a computer or a remote
controller (2) a digital port, consisting of four or eight lines of
digital input and/or output
ppm
parts per million
pu
pull-up
R
RAM
random access memory
rms
root mean square
RSE
referenced single-ended mode—all measurements are made with
respect to a common reference measurement system or a ground.
Also called a grounded measurement system
RTD
resistive temperature detector—a metallic probe that measures
temperature based upon its coefficient of resistivity
RTSIbus
real-time system integration bus—the National Instruments timing
bus that connects DAQ boards directly, by means of connectors on
top of the boards, for precise timing synchronization between
multiple boards
RTSI_OSC
RTSI Oscillator—RTSI bus master clock
PCI_E.book Page 8 Thursday, June 25, 1998 12:55 PM