This is the user manual for the HPX-AG series of photoelectric switches. It mainly introduces the commonly used settings, model composition and function correspondence table, the names and functions of each part, the settable function list, output switching, sensor type, tuning, function selection menu, timer function, heartbeat output, control output lock, display function, special function, other functions, connection with input and output circuits, setting, appearance, specifications, precautions and other contents.