Said that the first time you need to debug and adjust the position when you power on is based on the theory of electrical theory, because the absolute encoder data is maintained when the power is off. So after power off and on again, the data is accurate.
However, if the positioning data is incorrect due to mechanical reasons, you need to have an external position calibration method, such as a stop or an external switch, to perform position calibration. How often does it need to be calibrated once, depending on the mechanical design and installation error, this is not easy to say.
Personally think this is the case!
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