Photoelectric sensors | W4 | WLF4FI-1G3111A0ZZZ | Sensing range min. / max.: 0 m / 10 m | Functional principle: Photoelectric retro-reflective sensor | Functional principle detail: With minimum distance to reflector (dual lens system) | Switching output: Push-pull: PNP/NPN | Switching mode: Dark switching | Connection type: Cable, 3-wire, 2 m | Light source: PinPoint LED | Type of light: Infrared light | Housing material: VISTAL® | Adjustment: None | Housing: Rectangular
Functional principle
Photoelectric retro-reflective sensor
Functional principle detail
With minimum distance to reflector (dual lens system)
Sensing range min.
0 m
Sensing range max.
10 m
Maximum distance range from reflector to sensor (operating reserve 1)
0.4 m ... 10 m
Recommended distance range from reflector to sensor (operating reserve 3,75)
0.4 m ... 7 m
Reference reflector
Reflector PL80
Recommended sensing range for the best performance
0.4 m ... 7 m
Light source
PinPoint LED
Type of light
Infrared light
Shape of light spot
Point-shaped
Light spot size (distance)
Ø 40 mm (1,000 mm)
Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle)
< +/- 1.5° (at TU= +23 °C)
Normative reference
EN 62471:2008-09 | IEC 62471:2006, modified
LED risk group marking
Free group
Wave length
850 nm
Average service life
100,000 h at Ta= +25 °C
None
–
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
MTTFD
708 years
DCavg
0 %
TM(mission time)
20 years
Supply voltage UB
10 V DC ... 30 V DC1)
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
Number
1
Type
Push-pull: PNP/NPN
Switching mode
Dark switching
Signal voltage PNP HIGH/LOW
Approx. UB-2.5 V / 0 V
Signal voltage NPN HIGH/LOW
Approx. UB/ < 2.5 V
Output current Imax.
≤ 100 mA
Circuit protection outputs
Reverse polarity protected
Response time
≤ 500 µs
Repeatability (response time)
150 µs2)
Switching frequency
1,000 Hz3)
Function of pin 4/black (BK)
Digital output, dark switching, object present → output Ǭ HIGH4)
Design detail
Flat
Dimensions (W x H x D)
16 mm x 40.1 mm x 12.1 mm
Connection
Cable, 3-wire, 2 m
Deep-freeze property
Do not bend below 0 °C
Conductor size
0.14 mm²
Cable diameter
Ø 3.4 mm
Length of cable (L)
2 m
Housing
Plastic, VISTAL®
Front screen
Plastic, PMMA
Cable
Plastic, PVC
Kaal
Approx. 30 g
Maximum tightening torque of the fixing screws
0.4 Nm
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
EU declaration of conformity
✔
UK declaration of conformity
✔
ACMA declaration of conformity
✔
Moroccan declaration of conformity
✔
China RoHS
✔
ECOLAB certificate
✔
cULus certificate
✔
ECLASS 5.1.4
27270903
ECLASS 6.0
27270903
ECLASS 7.0
27270903
ECLASS 8.0
27270903
ECLASS 9.0
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ECLASS 10.0
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ECLASS 11.0
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ECLASS 12.0
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ECLASS 13.0
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ECLASS 14.0
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ECLASS 15.0
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EC002719
ETIM 7.0
EC002719
ETIM 8.0
EC002719
ETIM 9.0
EC002719
ETIM 10.0
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