Sick WLL180T-M434 Fiber Optic Sensor
Sick WLL180T-M434 Fiber Optic Sensor delivers visible red LED detection with long-range through-beam sensing and PNP output capability applications. This Sick Fiber Optic Sensor supports up to 18 m through-beam sensing and 1,400 mm proximity sensing, uses 650 nm LED light, offers selectable response times from ≤ 16 µs to ≤ 8,000 µs, and operates at up to 31.2 kHz switching frequency via a compact M8 connector.
| Brand | Sick |
| Product Type | Fiber Optic Sensor |
| Model Number | WLL180T-M434 |
Sick WLL180T-M434 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) 2) 3) |
| Sensing range | 0 mm ... 1,400 mm, Proximity system 0 m ... 18 m, Through-beam system 2) 3) |
| 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 | Male connector M8, 4-pin |
| Housing material | Plastic, ABS/PC |
| Ambient operating temperature | –25 °C ... +55 °C |
| Ambient temperature, storage | –40 °C ... +70 °C |
| Weight | 20 g |
The Sick WLL180T-M434 Fiber Optic Sensor is a compact optical sensing device designed for accurate object detection in industrial automation systems. This Sick Fiber Optic Sensor uses visible red LED light, provides a PNP switching output, and supports adjustable response times for precise detection control. The WLL180T-M434 is used where stable optical performance and fast signal processing are required.
In industrial automation environments, the Sick WLL180T-M434 Fiber Optic Sensor is applied in conveyors, packaging machines, automated assembly lines, and material handling systems. Its selectable response times down to ≤ 16 µs allow reliable detection of fast-moving objects, while multiple switching frequencies support synchronization with automated processes. The rectangular housing enables installation in space-constrained machine layouts.
The Sick WLL180T-M434 Fiber Optic Sensor delivers consistent sensing performance through defined sensing distances, configurable response speeds, and stable optical output. With durable ABS/PC housing, controlled current consumption, and predictable switching behavior, this Sick WLL180T-M434 model is suitable for continuous industrial operation. It meets standard industrial automation requirements for dependable fiber optic sensing.
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