The QS18VN6AF350 is a compact, versatile photoelectric sensor designed for reliable object detection in industrial automation. It operates on a 10-30V DC power supply and features an NPN output configuration. The sensor provides a fixed-field background suppression sensing mode, ensuring accurate detection of objects at a set distance while ignoring background interference. Operating on a 10-30V DC power supply, the sensor has an NPN (sinking) output, making it compatible with a wide range of control systems and PLCs. The visible red LED emitter enhances alignment and setup, reducing installation time and improving operational efficiency.