Product Model
WTB4FI-21312120ZZZ
Selling Points
- 1Advanced Background Suppression: Effectively suppresses ambient light for precise object detection.
- 2High Sensitivity: Detects objects as small as 0.2 mm at 130 mm distance with 90% remission factor.
- 3Fast Response Time: Responds in as little as 500 μs for quick and reliable operation.
- 4Durable Construction: Built with VISTAL® housing and IP66/IP67 ratings for harsh environments.
- 5Smart Diagnostics: Equipped with BluePilot for easy sensing range adjustment and diagnostics monitoring functions.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Functional principle | Photoelectric proximity sensor | Functional principle detail | Background suppression |
Sensing range_Sensing range min. | 6 mm | Sensing range_Sensing range max. | 250 mm |
Sensing range_Adjustable switching threshold for background suppression | 15 mm ... 250 mm | Sensing range_Reference object | Object with 90% remission factor (complies with standard white according to DIN 5033) |
Sensing range_Minimum distance between set sensing range and background (black 6% / white 90%) | 4 mm, at a distance of 100 mm | Sensing range_Recommended sensing range for the best performance | 40 mm ... 160 mm |
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 4.2 mm (130 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 | Smallest detectable object (MDO) typ. | 0.2 mm (At 130 mm distance (object with remission factor of 90% (complies with standard white according to DIN 5033))) |
Adjustment_Teach-Turn adjustment | BluePilot: For setting the sensing range | Indication_LED blue | BluePilot: sensing range indicator |
Indication_LED green | Operating indicatorStatic on: power on | Indication_LED yellow | Status of received light beamStatic on: object presentStatic off: object not present |
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 | ≤ 25 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 | Dark 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, dark 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 | Connector M8, 3-pin |
Material_Housing | Plastic, VISTAL® | Material_Front screen | Plastic, PMMA |
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