SICK
SICK WLD4FP-228121A0ZZZ Photoelectric Sensors
P/N: 1129442
SICK WLD4FP-228121A0ZZZ Photoelectric Sensors — datasheet, specifications, part number lookup & authentic sourcing
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Overview
| 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 max. | 4.5 m |
| Maximum distance range from reflector to sensor (operating reserve 1) | 0.015 m ... 4.5 m |
| Recommended distance range from reflector to sensor (operating reserve 3,75) | 0.035 m ... 3.9 m |
| Reference reflector | Reflector P250 |
| Recommended sensing range for the best performance | 0.035 m ... 3.9 m |
| Polarisation filter | Yes Emitted beam |
| Light source | PinPoint LED |
| Type of light | Visible red light |
| Shape of light spot | Point-shaped |
| Light spot size (distance) | Ø 38 mm (1,000 mm) |
| Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle) | U = +23 °C) Key LED figures |
| Normative reference | EN 62471:2008-09 | IEC 62471:2006, modified |
| LED risk group marking | Free group |
| Wave length | 635 nm |
| Average service life | 100,000 h at Ta = +25 °C Adjustment |
| None | – Display |
| LED green | Operating indicatorStatic on: power on |
| LED yellow | Status of received light beamStatic on: object not presentStatic off: object presentFlashing: Below the 1.5 function reserve |
Specifications
| Safety-related parameters | |
| MTTFD | 1,390 years |
| DCavg | 0 % |
| TM (mission time) | 20 years |
| Electronics | |
| Supply voltage UB | 10 V DC ... 30 V DC 1) |
| Ripple | ≤ 5 Vpp |
| 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 UB = 24 V |
| Protection class | III Digital output |
| Number | 2 (Complementary) |
| Type | PNP |
| Switching mode | Light/dark switching |
| Signal voltage PNP HIGH/LOW | Approx. UB-2.5 V / 0 V |
| Output current Imax. | ≤ 100 mA |
| Circuit protection outputs | Reverse polarity protected Overcurrent protected Short-circuit protected |
| Response time | ≤ 500 µs |
| Repeatability (response time) | 150 µs 2) |
| Switching frequency | 1,000 Hz 3) Pin/Wire assignment |
| Function of pin 4/black (BK) | Digital output, light switching, object present → output Q LOW |
| Function of pin 2/white (WH) | Digital output, dark switching, object present → output ǬL1 HIGH 1) Limit values.2) Signal transit time with resistive load in switching mode.3) With light/dark ratio 1:1. |
| Mechanics | |
| Housing | Rectangular |
| Design detail | Flat |
| Dimensions (W x H x D) | 16 mm x 40.1 mm x 12.1 mm |
| Connection | Male connector M8, 4-pin Material |
| Housing | Plastic, VISTAL® |
| Front screen | Plastic, PMMA |
| Male connector | Plastic, VISTAL® |
| Weight | Approx. 30 g |
| Maximum tightening torque of the fixing screws | 0.4 Nm |
| Ambient data | |
| Enclosure rating | IP66 (EN 60529)IP67 (EN 60529)IP69 (EN 60529) |
| Ambient operating temperature | –40 °C ... +60 °C |
| Ambient temperature, storage | –40 °C ... +75 °C |
| Typ. Ambient light immunity | Artificial light: ≤ 50,000 lxSunlight: ≤ 50,000 lx |
| Shock resistance | 30 g, 11 ms (3 positive and 3 negative shocks along X, Y, Z axes, 18 total shocks (EN60068-2-27)) |
| Vibration resistance | 10 Hz ... 1,000 Hz (Amplitude 1 mm, 3 x 30 min (EN60068-2-6)) |
| Air humidity | 35 % ... 95 %, relative humidity (no condensation) |
| Electromagnetic compatibility (EMC) | EN 60947-5-2 |
| Resistance to cleaning agent | ECOLAB |
| UL File No. | NRKH.E181493 & NRKH7.E181493 ## Certificates |
| EU declaration of conformity | ✔ |
| UK declaration of conformity | ✔ |
| ACMA declaration of conformity | ✔ |
| Moroccan declaration of conformity | ✔ |
| China RoHS | ✔ |
| China Compulsory Product Certification (CCC) exempt | ✔ |
| ECOLAB certificate | ✔ |
| cULus certificate | ✔ |
| Photobiological safety (DIN EN 62471) certificate | ✔ ## Classifications |
| ECLASS 5.1.4 | 27270903 |
| ECLASS 6.0 | 27270903 |
| ECLASS 7.0 | 27270903 |
| ECLASS 8.0 | 27270903 |
| ECLASS 9.0 | 27270903 |
| ECLASS 10.0 | 27270903 |
| ECLASS 11.0 | 27270903 |
| ECLASS 12.0 | 27270903 |
| ECLASS 13.0 | 27270903 |
| ECLASS 14.0 | 27270903 |
| ECLASS 15.0 | 27270903 |
| ETIM 6.0 | EC002719 |
| ETIM 7.0 | EC002719 |
| ETIM 8.0 | EC002719 |
| ETIM 9.0 | EC002719 |
| ETIM 10.0 | EC002719 |
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Downloads
- datasheet WLD4FP-228121A0ZZZ (1.2 MB)