... .Output:Open conllector. 2011---RJ series Rotary Encoder,Shaft Encoder,Incremental Encoder Features: 1, ... Photo-electric rotary encoder is a digit sensor integrated ... machanical contact among coded wheels,with high rotary speed and long use life;especially suitable ... Z)open collector output,contact output;As to absolute encoder. 4--20mA,RS485,can directly connect ...