Overview of Singleturn Absolute Encoders and Multiturn Absolute Encoders
Single-turn absolute encoder and multi-turn absolute encoder Overview Single-turn absolute encoder, to rotate in the measurement of the optical code disk of each channel engraved line, in order to obtain * code, when the rotation of more than 360 degrees, the code and return to the origin, so that does not comply with the principle of absolute encoding * such encoder can only be used for the rotational range of 360 degrees or less of the measurement, known as the single-turn absolute encoder. If you want to measure the rotation range of more than 360 degrees, we need to use multi-turn absolute encoder. Encoder manufacturers use the principle of clock and watch gear machinery (the basic law), when the center of the code disk rotation, through the gear drive another set of code disk, in the single-turn code on the basis of an increase in the number of laps of the code, in order to expand the encoder's measurement range, such absolute encoder is known as a multi-turn absolute encoder, which is the same by the mechanical position of determining the code, each position of the code * does not repeat, without memory. Another advantage of the multi-turn encoder is that due to the large measuring range, the actual...
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