Sick WLL180T-P432 Fiber Optic Sensor
Sick WLL180T-P432 Fiber Optic Sensor features rectangular housing, visible red LED light, PNP output, and 7-segment indication display unit. This Sick 7-segment Fiber Optic Sensor uses an LED light source with 650 nm wavelength, supports light/dark switching, and delivers up to 31.2 kHz switching frequency for industrial automation. The WLL180T-P432 is categorized under Sick Fiber Optic Sensors for structured optical detection systems.

| Brand | Sick |
| Product Type | Fiber Optic Sensor |
| Model Number | WLL180T-P432 |
Sick WLL180T-P432 Fiber Optic Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Device type | Fiber-optic sensors |
| Dimensions (W x H x D) | 10.5 mm x 34.6 mm x 71.9 mm |
| Housing design (light emission) | Rectangular |
| Sensing range max. | 0 m ... 20 m (Through-beam system) 1) 2) |
| Sensing range | 0 mm ... 1,400 mm, Proximity system 3) 0 ... 18 m, Through-beam system 1) 2) |
| Type of light | Visible red light |
| Light source | LED |
| Wave length | 650 nm |
| Indication | 7-segment |
| Supply voltage | N/A |
| Current consumption | 50 mA 3) |
| Switching output | PNP |
| Switching mode | Light/dark switching |
| Response time | ≤ 16 µs, ≤ 70 µs, ≤ 250 µs, ≤ 2,000 µs, ≤ 8,000 µs |
| Switching frequency | 31.2 kHz, 7.1 kHz, 2 kHz, 250 Hz, 62.5 Hz |
| Connection type | Cable, 4-wire, 2 m |
| Housing material | Plastic, ABS/PC |
| Ambient operating temperature | –25 °C ... +55 °C |
| Ambient temperature, storage | –40 °C ... +70 °C |
| Weight | 25 g |
The WLL180T-P432 Sick 7-segment Fiber Optic Sensor is a compact rectangular sensing device designed for accurate object detection in industrial automation systems. This Sick Fiber Optic Sensor operates using visible red LED light, PNP switching output, and a 7-segment display for clear status indication. The WLL180T-P432 supports configurable response times and switching frequencies, making it suitable for applications requiring controlled optical sensing.
The WLL180T-P432 Sick 7-segment Fiber Optic Sensor is used in conveyors, packaging lines, automated assembly systems, and inspection stations. Its long sensing capability supports both proximity and through-beam detection, while the PNP output enables direct integration with standard PLC inputs. The selectable response times allow adaptation to varying process speeds in industrial automation environments.
The Sick WLL180T-P432 Fiber Optic Sensor provides stable optical performance, defined electrical behavior, and reliable output for continuous industrial operation. With 7-segment indication, durable ABS/PC housing, and fixed 4-wire cable connection, this Sick 7-segment Fiber Optic Sensor is suitable for demanding industrial applications. Its technical consistency and Sick brand reliability support dependable sensing across structured production systems.



