Encoder, motor and automation equipment

The utility model provides an encoder, a motor and automation equipment, the encoder comprises a circuit board, the circuit board comprises at least one magnetic induction module, the magnetic induction module is used for sensing the change of a magnetic signal of the encoder to generate a magnetic coding signal so as to obtain a first absolute position at the current moment; the at least one light sensing module is used for sensing the change of the light signal of the encoder to generate a light encoding signal so as to obtain the relative position at the current moment; the circuit board further comprises a signal processing unit connected with the light sensing module and the magnetic sensing module, and the signal processing unit is used for receiving and processing the magnetic coding signal and the light coding signal so as to obtain a second absolute position of the encoder at the current moment. The problem that in the prior art, the process of measuring position information of an optomagnetic hybrid