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RSF Elektronik: Exposed Linear Encoder (MS 82 Series)
RSF Elektronik: Exposed Linear Encoder (MS 82 Series)
 
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Order #: MS-82


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Description Specifications and Drawings
 

RSF Elektronik: MS 82 Series

(Open Linear Encoders with non-contact singlefield scanning)

Reflection-Type Phase Grating

The scale consists of a glass carrier and a reflection-type phase grating. The scanning reticle acts as transmission phase grating.

The light beam, produced by an LED and collimated by a lens, is deflected by prisms and the phase grating of the reticle in different directions.

After reflection and diffraction at the scale grating, the different beams, depending on the change of position phase shifted, interfere after passing the reticle again. In this way 2 by 90° shifted, sinusoidal measuring signals are produced. Using this interferential measuring principle, one signal period equals half of the scale.

Features:

  • Compact dimensions

  • Very high resolution: 0.1 - 0.01 µm

  • Grating pitch: 8 µm phase grating (4 µm signal period)

  • Non-contact reflective phase-grating scanning

  • Output signals: TTL, sinus 1 Vpp

  • Signal-immunity against aging and temperature changes

  • For high displacement velocities: 0.8 m/s

  • Reference mark customizable

  • Integrated subdividing electronics in the encoder head: for up to times 100 interpolation

  • Max. measuring length:

  • Glass: up to 3 140 mm

  • Glass ceramic: up to 1 840 mm


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