Renishaw's RESOLUTETM Absolute Optical Encoder System

A high performance, absolute linear, rotary or angle encoder system comprising two parts, a RESOLUTE^TM "readhead" and either a linear, rotary or angle "scale." The "readhead" is the first to use high speed digital camera technology coupled with high speed DSP processors allowing very high surface speeds (up to 37,000 rpm to 100 m/sec), significant dirt immunity, extremely fine angular, linear accuracy and resolution. RESOLUTE^TM is intended for use in semiconductor, flat-panel, medical and astronomy systems as well as lower end motion control stages and motors. RESOLUTE^TM has been designed to offer very high levels of data integrity, safety and accuracy. It allows design engineers a single absolute encoder platform for linear, rotary or partial arc motion. Design allows for far larger alignment tolerances than ever offered due to single track absolute code and a patented taper mount to allow bearing wander to be cancelled. Excellent dirt immunity due to digital camera scale code recognition. Resolution is available up to 32bits (4,294,967,292 counts per rev) or down to 1 nm (0.000001 mm) for linear. Readhead design and electrical communications are the same (internal to the readhead) regardless of resolution or configuration, absolute position available immediately on switch on, no battery backup is required.

For more information: http://www.renishaw.com/resolute

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