National Instruments NI-Motion User Manual page 292

Glossary
home switch (input)
host computer
I
I/O
ID
index
inverting
IRQ
K
k
K
L
LIFO
limit switch/
end-of-travel position
(input)
NI-Motion User Manual
Physical position determined by the mechanical system or designer as the
reference location for system initialization. Frequently, the home position is
also regarded as the zero position in an absolute position frame of reference.
Computer in which the motion controller is installed, or that is controlling
the remote system in which the motion controller is installed.
input/output—The transfer of data to and from a computer system
involving communications channels, operator interface devices, and/or
motion control interfaces.
identification
Marker between consecutive encoder revolutions.
Polarity of a limit switch, home switch, and so on in active state. If these
switches are active low, they have inverting polarity.
interrupt request
kilo—The standard metric prefix for 1,000, or 10
measure such as volts, hertz, and meters.
kilo—The prefix for 1,024, or 2
computer memory.
last-in, first-out
Sensors that alert the control electronics that the physical end of travel is
near and that the motion must stop.
10
, used with B in quantifying data or
G-4
3
, used with units of
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