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FAQ00972 of Rotary Encoders FAQ

FAQ No. FAQ00972

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Question

What is the difference between single-turn absolute Rotary Encoder and multi-turn absolute Rotary Encoder?

Answer



Single-turn absolute rotary encoder is absolute position detection within one rotation to which the rotation angle is output in parallel as an absolute numerical value by the code of 2n, the position of the accumulation is not understood when rotating by two rotations or more.

Multi-turn absolute rotary encoder understands the position of the accumulation. A detection part of Multi-turn absolute is basically the same structure as single-turn absolute.

A part of an absolute signal of one rotation is used and the amount of the rotation is counted once a rotation by the counter installed internally, multi-turn data is output as an absolute code.

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