Pepperl+Fuchs 418095

The Print Mark Contrast Sensor, designated as DK21-9,5/9S20/110/124, offers a detection range of 9.5 mm with an adjustable tolerance of ± 3 mm. It employs a modulated LED light source in visible green/red/blue, producing a rectangular light spot measuring 1 mm x 4 mm. The device supports external Teach-in functionality and incorporates a timer function for enhanced versatility.

Electrical specifications include an operating voltage range of 10 to 30 V DC with a no-load supply current limited to 60 mA. The sensor features a push-pull output that is both short-circuit and reverse polarity protected, capable of handling a maximum switching current of 200 mA and operating at a frequency of 16.5 kHz with a response time of 30 µs.

Compliance with standards ensures reliable operation under various conditions, adhering to EN 60947-5-2:2007 and IEC 60947-5-2:2007 standards. The sensor is designed to withstand shock and vibration, withstanding up to 40 g shock in all directions and vibrations between 10 to 150 Hz at 5 g.

Constructed from glass-fiber-reinforced Makrolon, the sensor is housed in a robust IP67-rated enclosure, ensuring protection against dust and water ingress. The dimensions of the unit are 85.6 mm in height, 33 mm in width, and 60.8 mm in depth, with a total mass of 200 g. The operating temperature ranges from -20 °C to 60 °C, making it suitable for diverse environmental conditions.