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Contactless Rotary Position Sensors

Contactless Rotary Position Sensors

Product catalog summary

Overview: The document provides comprehensive details on the NRH/TPS/SRH series of contactless magnetic rotary sensor ICs. These sensors utilize a 12-bit magnetic rotary sensor IC with integrated Hall elements and digital signal processing to deliver angular position information via a magnet integrated with the sensor's shaft.

Specifications: The sensors offer a measurement range from 20° to 360° in 1° increments, with options for single or dual outputs. They operate from a 5Vdc regulated or 9-30Vdc unregulated supply, featuring high stability and EMC immunity up to 100V/m. Designed to withstand extreme conditions, they have protection ratings up to IP69K.

Features: Key features include contactless technology, absolute analog or digital (PWM) output, rugged housing, and various shaft attachments and mountings. The sensors are CE approved, designed for long life, and suitable for extreme environments.

Benefits: The sensors provide maximum sensitivity, optional redundant output for safety-critical applications, and are interchangeable with existing installations. They maximize system accuracy over a wide temperature range and are suitable for hostile environments, including pressure washing.

Design and Performance: The design includes an input protector circuit and offers superior protection against harsh conditions. The sensors can operate from a 5Vdc regulated or 9-30Vdc supply, with outputs available in PWM or analog voltage. They offer a 12-bit resolution with non-linearity better than ±0.4% and temperature stability better than ±50ppm/°C.

Environmental Capability: The sensors can withstand operating temperatures from -40°C to +140°C, with some models enduring up to +170°C for short periods. They are tested for severe shock and vibration and have an EMC immunity of 100V/m.

Availability and Customization: All models are designed for rapid assembly and can be supplied in various configurations. Custom design services are available if standard models do not meet specific requirements.

Ordering Information: Detailed ordering codes are provided for different configurations, including measurement range, output type, direction, magnet holder type, and cable length.

Electrical Connections: The sensor includes reverse polarity protection and short circuit protection between outputs and ground. Connections are color-coded: Red for +V Supply, Yellow for Output, and Black for 0V Supply (GND).

Mechanical Specifications: The sensor has a continuous mechanical angle of 360°, with a maximum operating torque of 120 g-cm and a maximum rotational speed of 3600°/sec. It is mounted using 2 x M4 socket head cap screws with a maximum tightening torque of 2Nm.

Environmental Specifications: Rated IP68 with the AMP connector option and IP67 with the Deutsch connector option, the sensor operates within a temperature range of -40 to +140°C for a 5V supply and -40 to +135.7°C for a 9V supply. It is designed to withstand vibrations and shocks as per BS EN standards.

Output Options: The sensor offers analog voltage outputs (0.5-4.5Vdc or 0.1-4.9Vdc) and PWM outputs with frequencies of 244 Hz, 500 Hz, or 1000 Hz. The output direction can be configured for clockwise or anticlockwise rotation.

Installation and Phasing: Proper installation requires aligning the shaft flat or ident mark towards the cable exit for mid-travel output. The sensor housing allows for ±10° adjustment via the mounting flange slots.

Performance and Reliability: The sensors are designed for high reliability with features like short circuit protection and power-on settlement time of less than 1 second. They are suitable for applications requiring precise and durable rotary sensing solutions.

Graphs and Charts: The document includes graphs illustrating temperature and output characteristics for different configurations and supply voltages.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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