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Renishaw: RESOLUTE™ UHV absolute encoder readhead (RA32BVA052B30V)
Renishaw: RESOLUTEâ„¢ UHV absolute encoder readhead (RA32BVA052B30V)
 

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RESOLUTE™ UHV absolute encoder readhead

Renishaw: RESOLUTE™ absolute optical encoder with BiSS serial communications

RESOLUTE is a revolutionary new true absolute, fine pitch optical encoder system, with excellent dirt immunity, offering an impressive specification that breaks new ground in position feedback.

RESOLUTE’s patented technology combines 1 nm resolution with exceptionally high speed, up to 100 m/s (36 000 rev/min), reading from a range of high accuracy linear tape and spar scales or angle encoder rings.

RESOLUTE uses a unique single optical absolute track (a world first) with a nominal pitch of 30 μm, combined with sophisticated optics. This ensures wide set-up tolerances, very low sub-divisional error of ±40 nm and ultra-low noise (jitter) of less than 10 nm RMS, resulting in better velocity control performance and rock solid positional stability.

Reliability is assured by RESOLUTE’s excellent dirt immunity, built-in separate position checking algorithm and IP64 sealed readhead with wipe-clean recovery.

RESOLUTE is available with a variety of serial protocols. Please contact your local representative for the latest list.


Specifications:

  • True absolute non-contact optical encoder system: no batteries required

  • Wide set-up tolerances for quick and easy installation

  • High immunity to dirt, scratches and light oils

  • Resolutions to 1 nm or 32 bit rotary

  • 100 m/s maximum speed for all resolutions (to 36 000 rev/min)

  • ±40 nm sub-divisional error for smooth velocity control

  • Less than 10 nm RMS jitter for improved positional stability

  • Built-in separate position checking algorithm provides inherent safety

  • IP64 sealed readhead for high reliability in harsh environments

  • Integral set-up LED enables easy installation and provides diagnostics at a glance

  • Readhead and linear/rotary scales are bolt-hole compatible with SIGNUM™ encoders

  • Operates up to 80 °C

  • Integral over-temperature alarm


Compatible with:

  • RELA low expansion, high stability spar scales

  • RSLA stainless steel spars

  • RTLA with FASTRACK™ carrier

  • RTLA-S self adhesive tape scale

  • RESA angle encoders

  • Ultra-high accuracy REXA angle encoders


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