Incremental versus Absolute！

There is no one right encoder type, only the type determined by the requirements of the application (see table).
Incremental encoders are simple to integrate and easy to maintain. For less complex applications in which cost is
a major concern, an incremental encoder might be the best choice. They are frequently used for speed or velocity monitoring, for example coordinating the line speed of conveyors in a warehouse or mail-sorting facility. Whether the appropriate incremental encoder is a single-channel or a quadrature design depends upon whether the application is direction sensitive

absolute encoder, incremental encoder, hybrid encoder, non-magnetic encoder, multi-turn encoder, multi-turn combination encoder, draw wire encoder, digital readout, linear scale

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