National Instruments NI CVS-1450 Series - page 85

Glossary
NI CVS-1450 Series User Manual G-2 ni.com
L
LED Light-emitting diode.
M
MAC Media access control. The MAC address uniquely identifies each unit
connected to a network.
N
NI-IMAQ Driver software for National Instruments image acquisition (IMAQ)
hardware.
P
PLC Programmable Logic Controller. An industrial computer used for factory
automation, process control, and manufacturing systems.
pulse train A signal consisting of a series of continuous pulses.
R
rising edge The digital signal transition from the low state to the high state.
RS-232 Standard electrical interface for serial data communications.
S
subnet A set of systems whose IP addresses are configured such that they can
communicate directly with one another. Data will not flow through an
intermediate router.
T
TCP Transmission Control Protocol. A set of standard protocols for
communicating across a single network or interconnected set of networks.
TCP is for high-reliability transmissions.
trigger Any event that causes or starts some form of data capture.