Single-turn Absolute Encoder

Single-turn absolute encoders are designed to measure the exact angular position of a shaft within a single 360° revolution. Each angle corresponds to a unique digital value, allowing for immediate position recall even after a stop or power interruption. This technology is particularly useful in applications where only the position within a complete rotation is relevant and where instant position recovery improves process safety, productivity, and accuracy.

In industrial automation, single-turn absolute encoders are used in rotary tables, positioning axes, rotary valves, automated machinery, packaging equipment, robots, and motion control systems. Because they do not require a reference search after startup, they help reduce cycle times and prevent synchronization errors. Furthermore, they are available with different resolutions, optical or magnetic measurement principles, and multiple electrical interfaces to suit the requirements of each installation.

At GUEMISA Sensors and Instrumentation, we offer single-turn absolute encoders for industrial applications requiring reliable and repeatable angle measurement. We can advise you on selecting the most suitable model based on resolution, output type, shaft diameter, housing format, protection level, and environmental conditions. If you need a precise position sensor to determine the angle of a shaft at all times, this category offers highly effective and robust solutions.

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Technical diagram of an absolute encoder showing the optical encoding disk and digital waveforms for different bits (BIT 0 to BIT 5).

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