The SICK KTM-WN11171P (part number 1082798) is a compact and versatile contrast sensor designed for precise mark and edge detection in fast-moving automation systems. As part of SICK’s KTM Prime series, this sensor combines advanced optical performance with rugged durability, making it a reliable choice for packaging, labeling, and high-speed production applications.

Measuring just 12 mm √ó 31.5 mm √ó 21 mm, the KTM-WN11171P offers a compact footprint that is easy to integrate into tight machine layouts. Unlike models with lateral light emission, this version features front-side light projection, simplifying alignment for direct object detection. Its design ensures flexibility for diverse mounting orientations, particularly where space is limited.

At the heart of this sensor is an RGB LED light source, capable of emitting red, green, and blue light. This capability allows the sensor to automatically optimize detection across a wide range of material colors, surface finishes, and print contrasts. With a sensing distance of up to 12.5 mm and a focused light spot measuring 1.6 mm √ó 9.5 mm, the KTM-WN11171P delivers highly accurate detection of small marks, edges, or registration lines.

Speed is a defining strength of this sensor. With a switching frequency of 15 kHz and a response time of only 32 microseconds, it ensures immediate detection even in extremely fast processes. This makes it particularly well-suited for applications such as printing presses, labeling machines, and packaging lines where rapid response is essential. To simplify setup, the KTM-WN11171P offers flexible teach-in modes, including static and dynamic teach-in, as well as proximity-to-mark calibration. These options allow operators to adapt the sensor quickly to changing conditions without complex adjustments.

The electrical design emphasizes both efficiency and reliability. Operating on 12–24 V DC, the sensor consumes less than 50 mA while providing a PNP switching output capable of supporting both light-on and dark-on configurations. A maximum switching current of 50 mA ensures compatibility with standard automation control systems. For added safety and durability, the device includes reverse polarity protection, short-circuit resistance, and interference suppression, ensuring stable operation in harsh environments.

User convenience is enhanced with clear LED status indicators. A green LED shows power status, while a yellow LED signals switching output activity, enabling quick diagnostics during operation or maintenance. Connection is made through a 4-pin M8 male connector, offering secure and compact integration.

With its IP67-rated housing, the KTM-WN11171P is resistant to dust and moisture, ensuring long-term reliability even under challenging conditions.

In summary, the KTM-WN11171P delivers a powerful blend of compact design, precise RGB contrast sensing, ultra-fast performance, and industrial-grade durability. This makes it a trusted solution for engineers who demand accuracy and speed in modern automation systems.