The Panasonic FD-E23 is a general-purpose fiber sensor designed for reliable and flexible detection performance in industrial automation environments. It features a 1-meter fiber length with a minimum bending radius of R4 mm, allowing easy installation in compact or complex layouts. The sensor supports pre-cut, lens mounting, and protective tube attachment for application-specific customization. It offers multiple detection distance configurations when used with the FX-500 series, including 55 mm (STD), 170 mm (HYPR), 120 mm (U-LG), 80 mm (LONG), 30 mm (FAST), and 9 mm (H-SP), enabling high adaptability across different sensing modes. With an IP40 protection rating, the FD-E23 operates within a temperature range of -40°C to +70°C, ensuring stable performance under varying environmental conditions. In North America, Europe, Asia, and worldwide industrial systems, this model may possibly be suitable for applications requiring versatile and precise fiber-optic sensing in production and automation setups.