Sick VS/VE18-4P3112 Through-beam photoelectric sensor PNP

Industrial Through-Beam Sensor

The Sick VS/VE18-4P3112 is a through-beam photoelectric sensor designed for industrial automation and presence detection. It uses an infrared LED light source to detect objects across a sensing range of up to 14 m, with a maximum range of 20 m. The cylindrical M18 x 1 housing allows direct mounting into standard threaded holes. This sensor suits engineers integrating reliable object detection into conveyor or packaging lines.

Metal Housing With Cable Connection

The nickel-plated brass housing measures 63.6 mm in length and carries an IP67 enclosure rating for dust and water protection. A 2 m PVC cable with four 0.14 mm² conductors provides the electrical connection, eliminating the need for a separate connector. The supply voltage spans 10 V DC to 30 V DC with a 10 % ripple tolerance. Protection class III and circuit protection A, B, C, D support safe integration into 24 V control circuits.

PNP Switching At 250 Hz

The PNP output delivers a maximum current of 100 mA and switches at 250 Hz with a 2 ms response time. Light/dark switching is selectable via the L/D control cable, while a test input disables the sender when pulled to 0 V. The light spot reaches Ø 700 mm at 14 m with an approximate 2.8° dispersion angle. Ambient operating temperature ranges from –25 °C to +70 °C. Buyers needing higher switching speeds or background suppression should evaluate alternative sensing principles.