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Laser Rotary Encoders For Highly Accurate Angle Sensing

Source: Canon USA, Inc. Optoelectronic Components

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Canon USA has developed laser rotary encoders that can provide 81,000 pulses with a 36-mm diameter by using the light-diffraction interference method in conjunction with a semiconductor laser acting as the light-emitting element.

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R-1SO Laser Rotary Encoder

The R-1SO laser rotary encoder is compact and lightweight, provides 81,000 pulses per revolution (without interpolator), has a maximum frequency response of 500 KHz, and an open collector output.

R-1SL Laser Rotary Encoder

The R-1SL laser rotary encoder is compact and lightweight, provides 81,000 pulses per revolution (without interpolator), has a maximum frequency response of 500 KHz, and a balanced line driver output.

R-1P32 Laser Rotary Encoder

Equipped with a built in interpolator unit, the R-1P32 laser rotary encoder can generate 2,259,200 edge count / rotation (0.5 arc-sec) Best for position control machine design with very high angle control resolution.

M-1S Laser Rotary Encoder

The M-1S laser rotary encoder is a heavy duty encoder, making it ideal for factory environments. It has a maximum frequency response of 2 MHz and a balanced line driver output circuit for long distance signal transmission.

KP-1Z Laser Rotary Encoder

The KP-1Z is a module type laser rotary encoder that provides 81 since wave per revolution. It features original Canon interference optics and low influence from disk eccentricity.

 

 

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Canon USA, Inc. Optoelectronic Components