In most procurement cycles, WLD4FP-21312130ZZZ is considered with Sick Laser Sensor, Sick Gtb6 P1211 and P&F Photoelectric Sensor, giving decision-makers confidence that they’ve chosen the most dependable component.
Sick WLD4FP-21312130ZZZ Photoelectric Sensor
The Sick WLD4FP-21312130ZZZ Photoelectric Sensor offers a Rectangular design, 635 nm sensing range, PinPoint LED light source, Push-pull: PNP/NPN output, and –40 °C ... +60 °C connection. Manufactured by Sick under the Sick Photoelectric Sensor category, this model belongs to the WL Series.
| Brand | Sick |
| Product Type | Photoelectric Sensor |
| Model Number | WLD4FP-21312130ZZZ |
Sick WLD4FP-21312130ZZZ Photoelectric Sensor – Technical Specifications
| Specification | Value |
|---|---|
| Functional principle | Photoelectric retro-reflective sensor |
| Functional principle detail | With minimum distance to reflector (dual lens system) |
| Sensing range max. | 4.5 m |
| Sensing range | - |
| Light source | PinPoint LED |
| Type of light | Visible red light |
| Light spot size (distance) | Ø 38 mm (1,000 mm) |
| Wave length | 635 nm |
| Adjustment | Teach-in button |
| Supply voltage UB | 10 V DC ... 30 V DC |
| Ripple | ≤ 5 Vpp |
| Current consumption | ≤ 20 mA, without load. At UB = 24 V |
| Protection class | III |
| Digital Output type | Push-pull: PNP/NPN |
| Switching mode | - |
| Output current Imax. | ≤ 100 mA |
| Response time | ≤ 500 µs |
| Switching frequency | 1,000 Hz 3) |
| Housing | Rectangular |
| Design detail | Flat |
| Dimensions (W x H x D) | 16 mm x 40.1 mm x 12.1 mm |
| Connection | Connector M8, 3-pin |
| Housing material | Plastic, VISTAL® |
| Front screen material | Plastic, PMMA |
| Enclosure rating | IP66 (EN 60529), IP67 (EN 60529) |
| Ambient operating temperature | –40 °C ... +60 °C |
| Ambient temperature, storage | –40 °C ... +75 °C |
| Weight | Approx. 30 g |
The Sick WLD4FP-21312130ZZZ Photoelectric Sensor incorporates a dual lens system for enhanced detection accuracy even with a minimum distance to the reflector. Offering a maximum sensing range of 4.5 meters, this sensor delivers precision with a visible red light emitted from its efficient PinPoint LED. The concentrated Ø 38 mm light spot at a distance of 1,000 mm ensures excellent detection of small and challenging targets, ideal for applications demanding high positional accuracy.
Engineered for rapid response, the WLD4FP-21312130ZZZ boasts a fast response time of ≤ 500 µs and a high switching frequency of 1,000 Hz, making it suitable for fast-moving production lines. Its robust 10 V DC to 30 V DC operating voltage range, ≤ 5 Vpp ripple tolerance, and low current consumption of ≤ 20 mA ensure energy-efficient operation. Designed with a durable Plastic VISTAL® housing and Plastic PMMA front screen, it achieves an exceptional IP66 and IP67 protection rating against dust, water, and mechanical stresses, supporting reliable use in harsh industrial environments.
With its slim, rectangular flat design measuring just 16 mm x 40.1 mm x 12.1 mm and an easy-to-install M8, 3-pin connector, the Sick WLD4FP-21312130ZZZ Photoelectric Retro-reflective Sensor offers unmatched flexibility for conveyor systems, packaging machinery, robotics, and logistics automation. Capable of operating within temperatures from -40 °C to +60 °C and withstanding storage down to -75 °C, it promises long-lasting performance.
