Product Model
WLD4FP-XX3121A0ZZZ

Selling Points
- 1Advanced Detection Capabilities: Designed for challenging detection tasks with various light sources.
- 2High User-Friendliness: Quick and convenient commissioning and operation.
- 3Versatile Housing Materials: Wide range of application possibilities due to different housing materials.
- 4Powerful Process Control: Enhances machine productivity with precise sensing.
- 5Background Suppression: Ensures accurate detection with minimal interference.
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. | 4.5 m |
Sensing range_Maximum distance range from reflector to sensor (operating reserve 1) | 0.015 m ... 4.5 m | Sensing range_Recommended distance range from reflector to sensor (operating reserve 3,75) | 0.035 m ... 3.9 m |
Sensing range_Reference reflector | Reflector P250 | Sensing range_Recommended sensing range for the best performance | 0.035 m ... 3.9 m |
Polarisation filters | Yes | Emitted beam_Light source | PinPoint LED |
Emitted beam_Type of light | Visible red light | Emitted beam_Shape of light spot | Point-shaped |
Emitted beam_Light spot size (distance) | Ø 38 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 | 635 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 special connector, 225 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) | 210 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