Photoelectric sensors | W4 | WTB4SP-21311220ZZZ | Sensing range min. / max.: 4 mm / 130 mm | Functional principle: Photoelectric proximity sensor | Functional principle detail: Background suppression, NarrowBeam | Switching output: Push-pull: PNP/NPN | Switching mode: Light switching | Connection type: Connector M8, 3-pin | Light source: PinPoint LED | Type of light: Visible red light | Housing material: VISTAL® | Adjustment: Teach-in button, Potentiometer, Teach-Turn adjustment | Housing: Rectangular | Focus position: 70 mm
Functional principle
Photoelectric proximity sensor
Functional principle detail
Background suppression, NarrowBeam
Sensing range min.
4 mm
Sensing range max.
130 mm
Adjustable switching threshold for background suppression
10 mm ... 130 mm
Reference object
Object with 90% remission factor (complies with standard white according to DIN 5033)
Minimum distance between set sensing range and background (black 6% / white 90%)
0.5 mm, At 70 mm distance
Recommended sensing range for the best performance
20 mm ... 90 mm
Light source
PinPoint LED
Type of light
Visible red light
Shape of light spot
Point-shaped
Light spot size (distance)
1.8 mm (70 mm)
Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle)
< +/- 1.5° (at TU= +23 °C)
Focus position
70 mm
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
Teach-Turn adjustment
BluePilotFor setting the sensing range
LED blue
BluePilot: sensing range indicator
LED green
Operating indicatorStatic on: power on
LED yellow
Status of received light beamStatic on: object presentStatic off: object not present
Special applications
Detecting uneven, shiny objects, Detection of poorly remitting and tilted objects
MTTFD
1,404 years
DCavg
0%
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
Light 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 µs
Switching frequency
1,000 Hz
Function of pin 4/black (BK)
Digital output, light switching, object present → output Q HIGH2)
Design detail
Slim
Dimensions (W x H x D)
12.1 mm x 41.9 mm x 18.6 mm
Connection
Connector M8, 3-pin
Housing
Plastic, VISTAL®
Front screen
Plastic, PMMA
Male connector
Plastic, VISTAL®
Maximum tightening torque of the fixing screws
0.4 Nm
Enclosure rating
IP66 (EN 60529)IP67 (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
✔
cULus certificate
✔
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
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