Sick WLL180T-M432 Fiber Optic Sensor
Sick WLL180T-M432 Fiber Optic Sensor provides visible red LED detection with PNP output, selectable response times, and rectangular housing design; this Sick Fiber Optic Sensor supports up to 18 m through-beam sensing and 1,400 mm proximity sensing, uses 650 nm visible red LED light, and operates with PNP switching output through a 4-wire cable connection.
| Brand | Sick |
| Product Type | Fiber Optic Sensor |
| Model Number | WLL180T-M432 |
Sick WLL180T-M432 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 ... 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 | 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 Sick WLL180T-M432 Fiber Optic Sensor is an optical sensing device designed for precise object detection in industrial automation systems. This Sick Fiber Optic Sensor operates using 650 nm visible red LED light, provides PNP switching output, and supports selectable response times for different detection speeds. The WLL180T-M432 Fiber Optic Sensor is part of the WLL platform used across automated machinery.
In industrial automation environments, the Sick WLL180T-M432 Fiber Optic Sensor is applied in conveyors, packaging lines, automated inspection stations, and assembly processes. Its wide sensing range enables reliable detection of both near and distant objects, while selectable response times allow stable performance with slow or fast-moving targets. The compact rectangular housing supports installation in space-restricted machine designs.
The Sick WLL180T-M432 Fiber Optic Sensor delivers predictable sensing behavior through defined detection ranges, controlled switching frequencies, and stable optical output. With durable ABS/PC housing, consistent electrical characteristics, and repeatable detection performance, the WLL180T-M432 model meets industrial automation requirements where dependable fiber optic sensing is required for continuous operation.
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