INDUSTRIAL AUTOMATION

(Motor) Drive Control

Whenever something must be moved, a motor is usually at the source of most automated equipment. There are many types of AC and DC motors, each with its own advantages and disadvantages. The simplest form of motor control is a single speed motor using an electro-mechanical Motor Starter, which simply turns the motor on or off. Variable Speed Drives are used whenever more sophisticated control is required, such as Speed, Torque, Position, or Acceleration control.

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Exchanging data between Controllers and computers is common.
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Variable Speed Drives are used whenever more sophisticated control is required than simple on/off control, such as Speed, Torque, Position, or Acceleration control.
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Inputs to variable speed Drives depend on the drive type and application, and include encoders, tachometers, and potentiometers. Additional discrete status inputs may also be provided.

Variable speed Drives typically control a motor. There are many types of AC and DC motors, each with its own advantages and disadvantages. Which type used depends heavily on the type of Drive controller.

Signal Conditioners are often required with Analog I/O, to convert between the signal level of the Controller I/O and the signal level of the Devices they are connected to.