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Glossary
G-4
ni.com
H
hex
Hexadecimal
Hz
Hertz
I
I/O connection
Connection used for exchange of physical input/output (sensor/activator) 
data, as well as other control-oriented data.
in.
inches
individual polling
A polled I/O communication scheme in which each polled slave 
communicates at its own individual rate.
instance
A specific instance of a given class. For example, a blue square of 4 inches 
per side would be one instance of the class Squares.
ISO
International Standards Organization
K
KB
Kilobytes of memory
L
LabVIEW
Laboratory Virtual Instrument Engineering Workbench
LED
light-emitting diode
local
Within NI-DNET, anything that exists on the same host (personal 
computer) as the NI-DNET driver.
M
m
meter
MAC ID
Media access control layer identifier. In DeviceNet, a device’s MAC ID 
represents its address on the DeviceNet network.