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Feedback devices are essential components in closed loop systems, where they provide signals to the drive or motion controller to track an operation, and confirm that it occurs as expected.
Encoders are the most common type of feedback device. They provide detailed position and speed feedback, making them essential for applications requiring high accuracy, such as robotics and CNC machinery.
Encoders come in two types:
Incremental encoders generate electrical signals across two output channels, named channel A and channel B. These outputs are interpreted by a motion controller to derive position and velocity information. However, when an incremental encoder is powered on, the position remains unknown.
Absolute encoders, in contrast, allocate a unique value for each mechanical position. This means that the position is known when an absolute encoder is powered on. Absolute encoders provide digital data in either parallel or serial format to the motion controller, which uses this data to determine the position and velocity.
Tachometers, on the other hand, are focused on measuring rotational speed, ensuring that motors and generators operate at their desired speeds.
Inclinometers measure the angle of tilt or inclination, crucial for applications where maintaining stability and orientation is key, such as in construction or heavy equipment.
Feedback Device Categories:
Encoders
Encoders provide precise position and speed feedback for motors and automation systems. These devices ensure accurate control with high resolution and reliability, making them ideal for a wide range of industrial applications. Available in various types, including incremental and absolute, to meet specific system requirements.
Tachometers deliver accurate rotational speed measurement for motors and machinery. These feedback devices offer reliable performance with high precision, making them essential for monitoring and controlling speed in various industrial applications. Available in durable designs to withstand demanding environments.
Inclinometers offer precise angle measurement for various applications. These feedback devices provide accurate tilt sensing with high resolution and stability, making them ideal for monitoring and controlling angles in automation, robotics, and industrial systems. Available in rugged designs for harsh environments.
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