How to select absolute rotary encoder！

Absolute rotary encoder Selection Considerations
(1) Mechanical parts:
① measuring length or angle measurement, measuring length how mechanically converted (some described above, such as do not know can call to discuss). Measured angle is 360 degrees (lap), or may be over 360 degrees (multi-turn). Production process is a rotation cycle work, or back and forth direction of the cycle work.
② shaft installation form, connected by a flexible shaft coupling type, or sleeve-type connector.
③ use of the environment: dust, moisture, vibration, shock?
(2) the electrical part
① output receiving moiety
② signal form
③ resolution requirements
④ control requirements

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