... r) 3.Output:Open conllector. 2011---RJ series Rotary Encoder,Shaft Encoder,Incremental Encoder Features: 1,Photo-electric ... machine,no machanical contact among coded wheels,with high rotary speed and long use life;especially suitable to movement ... occasions.Widely applicable to irrigation,CNC machine, textile, eletricity, aircraft, metallurgy, petroleum, chemical ...