Sick
Sick WLL170-2N162 fiber-optic sensor NPN
Detects objects up to 1,600 mm with visible red LED, NPN output, 10–30 V DC supply, IP66-rated ABS/PC housing, 2 m cable, includes mounting bracket
- Compact 10.5 × 35.5 × 83.7 mm housing fits tight machine spaces
- 1,600 mm through-beam range detects small parts at distance
- 10,000 Hz switching frequency captures high-speed production events
- IP66-rated ABS/PC enclosure withstands wash-down and dust
- 2 m PVC cable with 0.2 mm² conductors simplifies cabinet wiring
Sick WLL170-2N162 fiber-optic sensor
The Sick WLL170-2N162 is a rectangular fiber-optic sensor designed for industrial detection tasks. It uses visible red LED light at 660 nm and provides a single NPN switching output with selectable light/dark operation. The unit suits automation engineers who need a compact photoelectric solution with a 2 m PVC cable connection.
Sensing ranges and response limits
Through-beam detection reaches up to 1,600 mm while proximity sensing covers 0 mm to 350 mm depending on the fiber used. A 65° dispersion angle and a 10-turn potentiometer allow precise alignment and sensitivity adjustment. Switching frequency is 10,000 Hz with a 50 µs response time and a fixed 40 ms off-delay option.
Housing, mounting and environmental protection
The ABS/PC housing measures 10.5 mm x 35.5 mm x 83.7 mm and weighs 70 g. An IP66 enclosure rating protects against dust and powerful water jets. A BEF-WLL170 mounting bracket is included for direct installation. Operating temperature spans –25 °C to +55 °C on a 10 V DC to 30 V DC supply with 30 mA consumption.
Highlights
- Compact 10.5 × 35.5 × 83.7 mm housing fits tight machine spaces
- 1,600 mm through-beam range detects small parts at distance
- 10,000 Hz switching frequency captures high-speed production events
- IP66-rated ABS/PC enclosure withstands wash-down and dust
- 2 m PVC cable with 0.2 mm² conductors simplifies cabinet wiring
Specifications
| Brand | SICK |
|---|---|
| Model | SICK WLL170-2N162 |
Questions about this item
Which sensing range applies if I use the through-beam configuration?
The through-beam system delivers a maximum sensing range of 0 mm ... 1,600 mm, while the proximity system reaches 0 mm ... 65 mm.
What does the 10,000 Hz switching frequency mean when the sensor is installed?
It allows the output to change state up to 10,000 times per second, with a 50 µs response time, suitable for fast object detection.
The cable is described as 3-wire — what interface standard does that follow?
The 3-wire PVC cable, 2 m long with 0.2 mm² conductors, carries a 10 V DC ... 30 V DC supply and an NPN switching output.
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