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N
NI-IMAQdx
O
open collector
opto-coupled
optically coupled
P
pixel pitch
PLC
pulse train
R
reference card
rising edge
RS-232
© National Instruments Corporation
Driver software for National Instruments image acquisition devices and
NI 177x Smart Cameras. NI-IMAQdx is installed as part of NI Vision
Acquisition Software.
An output mechanism that grounds or does not ground a connection to a
powered device. An open collector output cannot supply voltage.
Optically coupled.
An input mechanism that provides current protection by using a light
emitter to transmit signals to a light receiver, which then enables a signal
current.
The distance between the centers of adjacent pixels in either the horizontal
or vertical direction.
Programmable Logic Controller. An industrial computer used for factory
automation, process control, and manufacturing systems.
A signal consisting of a series of continuous pulses.
An object of a solid, neutral color (typically gray) in the image which
functions as a reference during image correction.
The digital signal transition from the low state to the high state.
Standard electrical interface for serial data communications.
G-3
NI 177x Smart Camera User Manual
Glossary
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