product Yierhuang rotary encoder features description

The working principle and characteristics of the Erlang ELTRA rotary encoder
Generally divided into incremental and absolute, they have a big difference: in the case of incremental encoders, the position is determined by the number of pulses calculated from the zero mark, and the position of the absolute encoder is determined by The reading of the output code is determined. In one lap, the output code for each position reads *; therefore, when the power is turned off, the absolute encoder is not separated from the actual position. If the power is turned back on, the position reading is still current and valid; unlike the incremental encoder, it is necessary to look for the zero mark.
Italy ertron ELTRA rotary encoder features
1 Output according to the amount of rotational displacement of the shaft
The combination of the combiner and the shaft enables direct detection of the amount of rotational displacement.
2 No home position reset is required at startup. (absolute only)
In the case of an absolute type, the rotation angle is output in parallel as an absolute value.
3 can detect the direction of rotation.
In the incremental type, the output time of the A phase and the B phase can be passed, and in the absolute type, the rotation direction can be grasped by the increase or decrease of the code.
4 Please select the appropriate sensor according to the rich resolution and output model.
Select the appropriate sensor according to the required accuracy and cost, connecting the circuit, etc.