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TURCK's Linear inductive sensor

Article-TURCK's Linear inductive sensor

TURCK's Linear inductive sensor

The Linear Inductive sensor detects the position of objects through the use of a resonant positioning device. An emitter/receive coil system generates a high-frequency alternating magnetic field that activates the resonator integrated into the positioning device. Each time the transmitting coil stops transmitting, the resonator induces voltage into two receiving coils inteA-grated into the sensor. The voltage intensity depends on where the positioning device overlaps the receiving coils. An integrated 16-bit processor provides a corresponding proportional output signal in different formats: 0 to 10V, 4 to 20 mA, IO-Link or SSI. The Linear Inductive position sensor was designed to have extremely short blind zones of only 29 mm on each side, along with a wide temperature range of -25 to 70C and the option to adopt the sensor by programming it to different measuring ranges, allows users to dispense with special variants for specific applications. Using only one sensor family for measuring ranges between 100 and 1,000 mm simplifies warehousing and helps users reduce their total cost of ownership. Using LI sensors for position detection is favorable over potentiometric or magnetostrive devices due to their high accuracy (1 Amum) and mid-range price-tag. Although there are several options for position detection - ranging from analog sensors, to incremental devices, to digital switches - not all of these can be easily applied to short-range and long-range applications. Also, unlike magnetorestrictive devices, TURCK's new Linear Inductive position sensor does not use magnets. Magnetostrictive and other similar technologies use magnets in their design that can experience electromagnetic interference in industrial environments.

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