ECW - Digital Contacting Encoder. ECW series incremental digital contacting encoder with quadrature output, a long operating life, robust construction and bushing mount. These ECW incremental digital contacting encoders have various shaft styles, please refer to datasheet for details and are available with a PCB mounting bracket (see stock numbers ; 692-8614 692-8614 , ; 692-8617 692-8617 and ; 827-4975 827-4975 ). Incremental encoder / quadrature output Exceptionally long operating life Bushing Mount