WTB4FP-31312120ZZZ

Features

Functional principle

Photoelectric proximity sensor

Functional principle detail

Background suppression

Sensing range
Sensing range min.	4 mm
Sensing range max.	220 mm
Adjustable switching threshold for background suppression	15 mm … 220 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%)	3 mm, at a distance of 80 mm
Recommended sensing range for the best performance	40 mm … 140 mm

Emitted beam
Light source	PinPoint LED
Type of light	Visible red light
Shape of light spot	Point-shaped
Light spot size (distance)	Ø 4.2 mm (130 mm)
Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle)	< +/- 1.5° (at Ta = +23 °C)

Smallest detectable object (MDO) typ.
	0.2 mm (At 130 mm distance (object with 90% remission (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
LED green	Operating indicator Static on: power on
LED yellow	Status of received light beam Static on: object present Static off: object not present

Special applications

Detecting flat objects

Electrical data

Supply voltage U_B

10 V DC … 30 V DC ¹⁾

Ripple

≤ 5 V_pp

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_B = 24 V

Protection class

III

Digital output
Number	1
Type	Push-pull: PNP/NPN
Signal voltage PNP HIGH/LOW	Approx. U_B-2.5 V / 0 V
Signal voltage NPN HIGH/LOW	Approx. U_B / < 2.5 V
Output current I_max.	≤ 100 mA
Circuit protection outputs	Reverse polarity protected
	Overcurrent protected
	Short-circuit protected
Response time	≤ 500 µs ²⁾
Repeatability (response time)	150 µs
Switching frequency	1,000 Hz ³⁾

Pin/Wire assignment
Function of pin 4/black (BK)	Digital output, dark switching, object present → output Q LOW

Mechanical data

Housing

Rectangular

Design detail

Flat

Dimensions (W x H x D)

16 mm x 40.1 mm x 12.1 mm

Connection

Cable with connector M8, 3-pin, 110 mm

Weight

Approx. 30 g

Maximum tightening torque of the fixing screws

0.4 Nm

Ambient data

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 lx Sunlight: ≤ 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

Classifications