I/O
I/O is an acronym for input/output. I/O refers to any and all inputs and outputs connected to a
computer system. Both inputs and outputs can be classied as analog (e.g., input power, drive
output, meter outputs, etc.) or digital (e.g., contact closures or switch inputs, relay outputs,
etc.).
IGBT
IGBT is an acronym for Insulated Gate Bipolar Transistors. IGBTs are semiconductors that are used
in the drive to provide reliable, high-speed switching, high-power capabilities, improved control
accuracy, and reduced motor noise.
Induction motor
An induction motor is an AC motor that produces torque by the reaction between a varying
magnetic eld (generated in the stator) and the current induced in the coils of the rotor.
Intel hex
Intel hex refers to a le format in which records consist of ASCII format hexadecimal (base 16)
numbers with load address information and error checking embedded.
Inverter
The inverter is a portion of the drive that changes DC voltage into AC voltage. The term "inverter"
is sometimes used mistakenly to refer to the entire drive (the converter, DC link, and inverter
sections).
Jog mode
Jog mode is an operational mode that uses a pre-programmed jog speed when a digital input
(programmed as the jog mode input) is closed.
Jumpers
Jumper blocks are groups of pins that can control functions of the system, based on the state of
the jumpers. Jumpers (small, removable connectors) are either installed (on) or not installed
(o) to provide a hardware switch.
Ladder logic (Also Ladder Diagram)
A graphical representation of logic in which two vertical lines, representing power, ow from the
source on the left and the sink on the right, with logic branches running between, resembling
rungs of a ladder. Each branch consists of various labeled contacts placed in series and
connected to a single relay coil (or function block) on the right.
Glossary
NXGPro+ Control Manual
Operating Manual, A5E50491925A 521
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