Definition of single - turn and multi - turn absolute encoders！

Rotation of single-turn absolute encoders to rotate each measuring track in the encoder to obtain a unique code. When rotated more than 360 degrees, the encoder returns to the origin so that it does not conform to the principle of absolute encoding. The encoders can only be used for measurements within 360 degrees of rotation, called single-turn absolute encoders.
If you want to measure the rotation over 360 degrees range, we need to use multi-turn absolute encoder.
Multi-turn encoder Another advantage is due to a large measurement range, the actual use is often more affluent, so do not need to install hard to find zero, a middle position as a starting point can be, and greatly simplifies the installation and debugging difficulty. Multi-turn absolute encoder in the length of the obvious advantages of positioning has been more and more used in industrial control positioning.

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