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Incremental Encoder VS Absolute Encoder!

Changchun Rongde Optics Co.,Ltd.   Release time:2017-12-26   Browse:918

Incremental Encoder VS Absolute Encoder

There is no encoder for every application and you need to choose the right encoder for your application (see the table below). Incremental encoders are easy to integrate and maintain. Cost is a major concern for users in less complex applications where incremental encoders are the best choice. Incremental encoders are commonly used for speed or speed monitoring, such as regulating conveyors in warehouses or mail sorting facilities Line speed. Depending on whether the application needs to control the direction of motion, you can decide whether to use single-channel incremental or quadrature encoders.

As mentioned above, the use of absolute encoders for safety issues is crucial and does not allow the encoder to return to its original position for applications such as high-performance CNC machine tools. In addition, this type of encoder is also ideal for applications where the initial position is returned to substantially increase the operating time or application cost, for example if the DNA sequencer power is interrupted in a multi-day analysis, then the system needs to be reliably restarted without damaging well-developed samples Or affect the analysis results. Absolute encoder support to resume operation when power is restored.

Because absolute encoders output digital signals, they are compatible with a wide range of communication protocols and buses, including BiSS, SSI, DeviceNet, Profibus, Modbus, CANopen and many other Ethernet-based protocols.

Without the proper feedback equipment, even using the best positioning components in the world would not help. Depending on the application characteristics, the right encoder can be selected to achieve the ideal solution. OEMs and machine builders need to understand the features of incremental encoders and absolute encoders and compare them with the needs of their applications so that they can be on schedule and on budget with the required performance and useful life Product or system



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