Specialized category for detection and monitoring sensors to ensure safe operation of industrial robots and automation equipment. Handles safety-related sensors including photoelectric sensors, laser scanners, area sensors, safety light curtains, mat switches, and magnetic sensors. Provides safety functions compliant with occupational safety and health laws for human intrusion detection in hazardous areas of machinery, monitoring robot arm operating ranges, finger protection for press machines, and foreign object detection on conveyor lines. Achieves prevention of serious accidents and safe automated operation in manufacturing sites through high-reliability sensors compliant with SIL and PL standards. These are safety components specifically designed for safety functions, distinct from general position detection sensors and measurement sensors.