INSPECTING METHOD FOR OUTPUT LEVEL OF PHOTOSENSOR FOR DETECTING MOVING BODY

摘要

PURPOSE:To check the level of a photosensor without extending the time from the completion of the operation in one direction of a moving body to the command of the operation in the other direction. CONSTITUTION:Photosensors 6 are arranged to both ends of the moving range of a moving body 1 and the moving body 1 is moved in a forward or reverse direction by a command and, when one photosensor 6 detects that the moving body 1 reaches one end, the movement of the moving body 1 is stopped and the level of the other photosensor 6 is checked within a waiting time for the absorption of mechanical vibration.