Quantum Devices Model QR145 optical incremental encoder provides an improved feedback solution in applications typically using modular encoders. With an overall height of only 0.87” and the stability of a bearing encoder design, the model QR145 optical incremental encoder can provide significant performance upgrades in applications limited by traditional modular encoder solutions. Outputs consist of a quadrature with reference pulse and three-phase commutation, which can be configured with either the industrial standard 5 volt RS-422 Line Driver or the 5 to 26 volt OL7272 line driver. A flexible spring mount allows for much greater tail shaft run out than can be tolerated by modular encoder designs, plus it provides 30 degrees of rotation for commutation timing. A housing constructed of conductive carbon fiber composite provides the EMI shielding of an all metal housing and the performance of a lightweight robust assembly. An optional IP66 housing is available at a fraction of the cost of competitors’ comparable sealed encoders.
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