Rotary sensor

  • 21-Mar-2011 01:07 EDT

A series of noncontact sensors from Novotechnik combines a 0.1° resolution angular position sensor with a rotation counter. The RSM 2800 Series supplies absolute position values and rotational counts up to 16 turns without mechanical gearing, batteries, or optics and uses magneto-resistive technology. Designed for industrial, material handling, robotic, and drive-by-wire applications, RSM 2800 tracks and stores shaft rotation and position when power is lost. At power restoration, it detects the new position and calculates the difference to provide position and count information that can be retained for years. Features include a 30-mm (1.2-in) diameter, independent linearity up to ±0.25%, electrical range up to 5400°, and 16-bit 0.08° resolution. The rugged series offers dust/liquid ingress protection, is impervious to humidity and condensation, and operates from -40 to +85°C (-40 to +185°F).

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