AC Drive

AC drives instead gradually ramp the motor up to operating speed to
lessen mechanical and electrical stress, reducing maintenance and repair
costs, and extending the life of the motor and the driven equipment.

Control Panel

A control panel is a flat, often vertical, area where control or monitoring
instruments are displayed.

PLC (Programmable Logic
Controller)

PLC (Programmable Logic Controller) is an electronic device, previously
called �sequence controller�. In 1978, NEMA (National Electrical
Manufacture Association) in the United States officially named it as
�programmable logic controller�.

Encoder

Rotary Optical Encoder is a sensor that converts machinery positional
information into corresponding pulse numbers or digital data by
photoelectric signals.

PID (Proportional Integral
Derivative)

A PID Controller calculates an "error" value as the difference
between a measured process variable and a desired setpoint.

Servo Drive Motor

A servo drive receives a command signal from a control system, amplifies
the signal, and transmits electric current to a servo motor in order to
produce motion proportional to the command signal.