National Instruments pci-6110e-6111e 用户手册
Glossary
G-8
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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
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
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
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
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