The mothod of incremental encoder.！

First, incremental rotary encoders have different resolution, the number of pulses generated per cycle to measure the number from 6 to 5400 or higher, the more the number of pulses, the higher the resolution; This is an important basis for selection one. In this case,
Second, the incremental encoder usually has three-way signal output (differential six signal): A, B and Z, generally use TTL level, A pulse in front, B pulse after A, B pulse 90 degrees difference The ring emits a Z pulse, which can be used as a reference mechanical zero. The general use of A ahead of B or B ahead A sentenced to our company incremental encoder is defined as the shaft end to see the encoder clockwise rotation is forward, A ahead B is 90 °, and vice versa counterclockwise rotation to reverse B ahead A is 90 °. There are not the same, look at the product description. In this case,
Third, the use of PLC to collect data, the choice of high-speed counting module; use of industrial computer data collection, the choice of high-speed counting board; use of single-chip data acquisition, the proposed use optocoupler input port.
Fourth, the proposed B pulse to do forward (forward) pulse, A pulse to do the reverse (backward) pulse, Z origin zero pulse. In this case,
Fifth, in the electronic device set up counting stack

hybrid encoder, non-magnetic encoder, multi-turn encoder, multi-turn combination encoder, draw wire encoder, digital readout, linear scale

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