Sick 1218819 Photoelectric proximity sensor

Functional principle: Photoelectric proximity sensor
Functional principle detail: Background suppression
Sensing range Sensing range min. 10 mm Sensing range max. 1,500 mm Adjustable switching threshold for background suppression 100 mm … 1,500 mm Reference object Object with 90% remission factor (complies with standard white according to DIN 5033) Minimum distance between set sensing range and background (black 6% / white 90%) 70 mm, at a distance of 600 mm Recommended sensing range for the best performance 100 mm … 600 mm:
Light source LED Type of light Infrared light Shape of light spot Point-shaped Light spot size (distance) √ò 12 mm (800 mm) Maximum dispersion of the around the standardized transmission axis (squint angle) < +/- 1.0¬∞ (at Ta = +23 ¬∞C):
Key LED figures Normative reference EN 62471:2008-09 | IEC 62471:2006, modified LED risk group marking Free group Wave length 850 nm Average service life 100,000 h at Ta = +25 ¬∞C:
Adjustment Teach-Turn adjustment BluePilot: For setting the sensing range IO-Link For configuring the sensor parameters and Smart Task functions:
Infrared background-suppression sensing with long detection range: Detects objects from 10 mm up to 1,500 mm, with a focused infrared beam and adjustable suppression threshold for stable detection against varied backgrounds.

Infrared background-suppression sensing with long detection range: Detects objects from 10 mm up to 1,500 mm, with a focused infrared beam and adjustable suppression threshold for stable detection against varied backgrounds.
BluePilot Teach-Turn adjustment and IO-Link integration: Allows simple manual configuration with visual LED guidance, while IO-Link v1.1 provides remote parameterization, real-time diagnostics, and Smart Task programming.
Dual push-pull outputs with high-speed switching: Features two configurable PNP/NPN outputs, with a response time of ‚Äö√¢¬ß 500 ¬¨¬µs and a switching frequency of up to 1,000 Hz, supported by built-in short-circuit, overload, and reverse polarity protection.
Compact rugged housing with predictive maintenance support: Enclosed in a VISTAL¬¨√Ü housing (20 x 55.7 x 42 mm), IP66/IP67/IP69 rated, capable of operating from -40 ¬¨‚àûC to +60 ¬¨‚àûC, with a long LED lifetime (~100,000 h) and advanced diagnostics for predictive maintenance.

The Sick WTB16I-34161120A00 (part no. 1218819) is a high-performance photoelectric sensor equipped with background suppression technology, engineered to provide reliable and precise object detection in modern automation environments. Designed for extended sensing applications, this model operates across a wide range of 10 mm to 1,500 mm, making it suitable for tasks requiring both close-up and long-distance detection. Its use of an infrared light source ensures strong detection capability, with a sharply defined beam that minimizes false triggering caused by reflections or background interference.

For ease of setup, the sensor incorporates the BluePilot Teach-Turn system, a user-friendly adjustment dial with visual LED feedback. This feature enables operators to quickly configure sensing distances on-site without complex programming. Beyond manual adjustment, the sensor integrates IO-Link v1.1, which transforms it into a smart, connected device. IO-Link allows for remote configuration, automatic parameter replication, and access to advanced diagnostic data. It also supports Smart Task functions, such as window monitoring, timer settings, and logical operations, giving the sensor the intelligence to perform more than simple detection.

Performance is a key highlight of the WTB16I-34161120A00. With dual push-pull outputs that are compatible with both PNP and NPN circuits, the sensor offers flexible integration into different control systems. Its fast response time of ‚Äö√¢¬ß 500 ¬¨¬µs and switching frequency up to 1,000 Hz make it ideal for high-speed automation processes, including packaging, sorting, and conveyor systems. Built-in electrical protections against short circuits, reverse polarity, and overload further ensure stable and safe operation even in demanding industrial conditions.

The physical design of the sensor enhances its reliability and durability. Encased in a compact VISTAL¬¨√Ü housing measuring 20 ‚àö√≥ 55.7 ‚àö√≥ 42 mm, the sensor achieves high protection ratings of IP66, IP67, and IP69, making it resistant to dust, water jets, and even high-pressure washdowns. This robust construction, combined with its wide operating temperature range of ‚Äö√Ñ√¨40 ¬¨‚àûC to +60 ¬¨‚àûC, ensures dependable performance in both standard and harsh industrial environments. The sensor‚Äö√Ñ√¥s LED has a service life of approximately 100,000 hours, while the overall design delivers an impressive mean time to dangerous failure (MTTFD) of around 626 years.

As a member of the Smart Sensor portfolio, the WTB16I-34161120A00 is built with predictive maintenance in mind. Through its IO-Link interface, it can provide continuous feedback on signal strength, detection reliability, and other diagnostics. This enables operators to proactively schedule maintenance, reduce downtime, and increase system efficiency.

In conclusion, the Sick WTB16I-34161120A00 combines long-range infrared background suppression, high-speed switching, rugged construction, and intelligent connectivity. It is a versatile and future-ready sensor solution for industries seeking both reliable detection and smart integration into advanced automation systems.

Product Specifications

Brand	Sick
Categories	Photoelectric Sensors
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Manufacturer	Sick

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