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Superior performance with new rotary position sensor

31-08-2010
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Superior performance with new rotary position sensor

TURCK has introduced a new QR24 rotary position sensor providing contactless position detection and wear-free performance.

Designed from the company’s rotary inductive sensor technology, the QR24 is ideal for a variety of industrial applications ranging from solar energy plants and harvesters to crane vehicles and AGVs.

Rotary feedback is critical in nearly every installation, and most rely on their mechanical bearings to provide proper tolerance and position of the internal system.

After time, this results in mechanical wear, vibrations, potential leaks and requires spring elements.

The QR24 provides superior performance without the need for contact or bearings, allowing it to successfully execute the same functions as an encoder or potentiometer, while eliminating wear and extending sensor longevity.

“Today’s rotary encoder applications are becoming more demanding,” said Marty Cwach, Product Manager, TURCK. “More and more applications require a higher degree of ingress protection, smaller package size and longer life expectancy. TURCK’s new QR24 incorporates these new requirements and meets or exceeds the demands.”

The TURCK QR24 is part of the company’s industry-recognized Q-track family of sensors, which utilize resistance inductive capacitance (RLC) measuring technology. Unlike potentiometric or magnetic technologies, the sensors incorporate precisely manufactured printed emitter and receiver coil systems. The emitter coils are activated with a high frequency AC field and produce an inductive RLC circuit with the positioning element. The element is inductively coupled with the receiver coils, which are arranged so different voltages are induced in the coils, depending on the position of the actuator. The voltages serve as a measure for the sensor signal. 

The QR24’s multi-coil system provides high resolution, while ensuring 16-bit noiseless operation. The sensor also features a double resonator system, providing increased distance capability and high-end signal processing with multi-core multiprocessor for enhanced speed.

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