Information about Inductive Linear Position Sensors and Switches

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About Inductive Linear Position Sensors and Switches

Inductive linear position sensors and switches are non-contact devices that determine an object’s linear or angular coordinates with respect to a reference point. Displacement is measured when the object moves from one position to another at a specified distance or angle. The output signal represents the object’s distance from the reference point. Output types include analog current levels, analog voltages, modulated analog outputs, and digital signals. Analog current levels such as 4 – 20 mA are suitable for sending signals over long distances. Analog voltages are simple, usually linear functions. Modulated analog outputs such as sine wave, pulse wave, amplitude modulation (AM), and frequency modulation (FM) signals are encoded, but still analog in nature. Several types of digital outputs are available. RS232, RS422, and RS485 are common serial, digital protocols. Popular parallel protocols include the general-purpose interface bus (GPIB), a standard which is also known as IEEE 488. Other digital outputs for inductive linear position sensors and switches include transistor-transistor logic (TTL) signals.

Products & Services Related to Inductive Linear Position Sensors and Switches

Cable Extension Linear Position Sensors

Cable extension linear position sensors are used to measure the movement and displacement of objects. A cable or wire is attached to an object, and as the object moves, the transducer produces an electrical signal proportional to the wire's linear extension.

Capacitive Linear Position Sensors

Capacitive linear position sensors are devices that sense position / displacement using capacitance technology.

Eddy Current Linear Position Sensors

Eddy current linear position sensors detect the distance from a target by using magnetic fields generated by a reference and sensing coils.

Fiber Optic Linear Position Sensors

Fiber optic linear position sensors use fiber optic technology to sense position and displacement.

LVDT Linear Position Sensors

Linear variable differential transformer (LVDT) linear position sensors have a series of inductors in a hollow cylindrical shaft and a solid cylindrical core. These devices produce an electrical output proportional to the position of the core

Optical Triangulation Position Sensors

Optical triangulation position sensors use reflected waves to pinpoint position and displacement. The source of these waves may be a light emitting diode (LED), infrared (IR) light, or laser.

Ultrasonic Linear Position Sensors and Switches

Ultrasonic linear position sensors and switches use ultrasonic waves in combination with light and frequency readings for position and displacement sensing.

Engineering Web: Inductive Linear Position Sensors and Switches - Machine Design

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Sensors \| Machine Design Current Sensors and Switches The CurrentWatch line of current sensors and switches measures ac currents to 2,000 A and dc currents to 300 A.
Feed for Motion Control & Mechatronics Terms \| Machine... Because the units transmit information quickly to the onboard machine controls, it makes mechanical signal rings with inductive sensors obsolete.
Motion Sensing \| Machine Design Sensor Sense: Optical Absolute-Position Linear Encoders Force Sensors for Design Learn how ultra-thin,Â customizable, flexible but accurate force

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