Rotary Encoder 1.Encoder shaft 6/8/ ... Open conllector. 2011---RJ series Rotary Encoder,Shaft Encoder,Incremental Encoder Features: 1,Photo-electric rotary encoder is a digit ... sensor integrated with light,electricity and machine,no machanical contact among coded wheels,with high rotary ... collector output,contact output;As to absolute encoder. 4--20mA,RS485,can directly connect ...