The RCM15si is a 1.5-in diam rotary optical encoder with commutation and serial interface. The encoder combines brushless motor commutation pulses and incremental position feedback in a single optical encoder. The unit features a patented slide/gap mechanism for ease of installation and maximum performance. A built-in servo groove allows a +20-degree rotation of the encoder to align the commutation tracks with the motor poles. The encoder is available with resolutions up to 2,048 lines and provides commutation for 4-, 6-, or 8-pole brushless motors.
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