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6023E/6024E/6025E User Manual G-8 ni.com
N
NI-DAQ National Instruments driver software for DAQ hardware
noise an undesirable electrical signal—Noise comes from external sources such
as the AC power line, motors, generators, transformers, fluorescent lights,
soldering irons, CRT displays, computers, electrical storms, welders, radio
transmitters, and internal sources such as semiconductors, resistors, and
capacitors. Noise corrupts signals you are trying to send or receive.
NRSE nonreferenced single-ended mode—all measurements are made with
respect to a common measurement system reference, but the voltage at this
reference can vary with respect to the measurement system ground
O
OUT output pin—a counter output pin where the counter can generate various
TTL pulse waveforms
P
PCI Peripheral Component Interconnect—a high-performance expansion bus
architecture originally developed by Intel to replace ISA and EISA. It is
achieving widespread acceptance as a standard for PCs and work-stations;
it offers a theoretical maximum transfer rate of 132 Mbytes/s.
PFI programmable function input
PFI0/TRIG1 PFI0/trigger 1
PFI1/TRIG2 PFI1/trigger 2
PFI2/CONVERT* PFI2/convert
PFI3/GPCTR1_
SOURCE
PFI3/general purpose counter 1 source
PFI4/GPCTR1_GATE PFI4/general purpose counter 1 gate
PFI5/UPDATE* PFI5/update
PFI6/WFTRIG PFI6/waveform trigger