Product Model
WLF4FI-973121A0ZZZ
Selling Points
- 1Compact Design: The WLF4FI-973121A0ZZZ features a flat design with dimensions of 16 mm x 40.1 mm x 12.1 mm, making it perfect for space-constrained environments.
- 2Long Sensing Range: Offers a sensing range of 0 m to 10 m, ensuring reliable detection in various industrial settings.
- 3Durable Construction: Built with high-quality materials, including plastic housing and PVC cable, ensuring long-lasting performance in harsh conditions.
- 4Easy Installation: Equipped with an M8, 3-pin connector with knurled nuts, facilitating quick and secure connections.
- 5High Reliability: Designed with a PinPoint LED light source and infrared light, providing precise detection and minimal false triggers.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Functional principle | Photoelectric retro-reflective sensor | Functional principle detail | With minimum distance to reflector (dual lens system) |
Sensing range_Sensing range min. | 0 m | Sensing range_Sensing range max. | 10 m |
Sensing range_Maximum distance range from reflector to sensor (operating reserve 1) | 0.4 m ... 10 m | Sensing range_Recommended distance range from reflector to sensor (operating reserve 3,75) | 0.4 m ... 7 m |
Sensing range_Reference reflector | Reflector PL80 | Sensing range_Recommended sensing range for the best performance | 0.4 m ... 7 m |
Emitted beam_Light source | PinPoint LED | Emitted beam_Type of light | Infrared light |
Emitted beam_Shape of light spot | Point-shaped | Emitted beam_Light spot size (distance) | Ø 40 mm (1,000 mm) |
Emitted beam_Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle) | < +/- 1.5° (at Ta = +23 °C) | Key LED figures_Normative reference | EN 62471:2008-09 | IEC 62471:2006, modified |
Key LED figures_LED risk group marking | Free group | Key LED figures_Wave length | 850 nm |
Key LED figures_Average service life | 100,000 h at Ta= +25 °C | Adjustment_None | – |
Indication_LED green | Operating indicatorStatic on: power on | Indication_LED yellow | Status of received light beamStatic on: object not presentStatic off: object presentFlashing: Below the 1.5 function reserve |
Supply voltage UB | 10 V DC ... 30 V DC | Ripple | ≤ 5 V |
Usage category | DC-12 (According to EN 60947-5-2)#!#DC-13 (According to EN 60947-5-2) | Current consumption | ≤ 20 mA, without load. At U#!#= 24 V |
Protection class | III | Digital output_Number | 1 |
Digital output_Type | Push-pull: PNP/NPN | Digital output_Switching mode | Light switching |
Digital output_Signal voltage PNP HIGH/LOW | Approx. UB-2.5 V / 0 V | Digital output_Signal voltage NPN HIGH/LOW | Approx. UB/ < 2.5 V |
Digital output_Output current Imax. | ≤ 100 mA | Digital output_Circuit protection outputs | Reverse polarity protected |
Digital output | Overcurrent protected | Digital output | Short-circuit protected |
Digital output_Response time | ≤ 500 µs | Digital output_Repeatability (response time) | 150 µs2) |
Digital output_Switching frequency | 1,000 Hz3) | Pin/Wire assignment_Function of pin 4/black (BK) | Digital output, light switching, object present → output Q LOW4) |
Housing | Rectangular | Design detail | Flat |
Dimensions (W x H x D) | 16 mm x 40.1 mm x 12.1 mm | Connection | Cable with connector M8, 3-pin, with knurled nuts, 338 mm |
Connection detail_Deep-freeze property | Do not bend below 0 °C | Connection detail_Conductor size | 0.14 mm² |
Connection detail_Cable diameter | Ø 3.4 mm | Connection detail_Length of cable (L) | 300 mm |
Material_Housing | Plastic, VISTAL® | Material_Front screen | Plastic, PMMA |
Material_Cable | Plastic, PVC | Material_Male connector | Plastic, VISTAL® |
Weight | Approx. 30 g | Maximum tightening torque of the fixing screws | 0.4 Nm |
Specifications may be subject to change without notice