The F3SG-4RE1790P30 Safety Light Curtains Global Light Curtain, Economy by Omron is an electronic part designed to provide safety protection in factory automation systems. It is a two-piece, 30 mm resolution sensor, featuring high-resolution detection and wide light-beam spread, making it suitable for a wide range of applications. The light curtain uses infrared, visible red light transmissions, and its light beam extends up to 1790 mm. It is equipped with many features including adjustable response delay, adjustable blanking width, light emission synchronization, and digital input functions, as well as a plug-in type receiver/transmitter, wide range of functions, and multiple protection options. It is designed for many different areas including machine tool guards, load presence sensors, door interlock systems, factory automation systems, and many others.