Signswise 360p/r Incremental Rotary Encoder Dc5-24v Wide Voltage Power Supply 6mm Shaft Model: incremental rotary encoders, AB two phases. Light weight and small size. Easy installation. Cost-effective features. 360P/R-360 pulses per revolution. By rotating the grating disk and optocoupler direction which generate counting pulses Suitable for a variety of intelligent control of automatic guillotine paper machine, civilian measured height human scale, students racing robots and steel cut length control etc.