... NPN / PNP output 2.With or without controller 3.Resolution available for 20,30,40,80mm ... and 80mm.* Composed of separate emitter, receiver(reflector), controller, cable connector and installation bracket.* Fast response <20ms.* ... Presswork machinery - Shearing equipment - Metal cutting equipment - Automated assembly line - Automated solder line - Machinery transmission equipment - Three dimensional ...