Sick WTB4FA-97311120ZZZ Photoelectric Sensor

Selling Points

1Precise Object Detection: Detects bright, flat, uneven, perforated, and transparent objects with high accuracy.
2Robust Background Suppression: Ensures reliable detection by suppressing background noise with MultiPulse and LineSpot technology.
3Compact Design: Measuring 16 mm x 40.1 mm x 12.1 mm, it fits seamlessly into various industrial settings.
4Versatile Connection Options: Equipped with a cable and M8 connector, offering flexibility in installation and integration.
5Durable Construction: Built with plastic housing (VISTAL®) and IP66/67 rating for protection against harsh environments.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Functional principle	Photoelectric proximity sensor	Functional principle detail	Background suppression, MultiPulse, LineSpot technology
Sensing range_Sensing range min.	7 mm	Sensing range_Sensing range max.	150 mm
Sensing range_Adjustable switching threshold for background suppression	15 mm ... 150 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%)	1 mm, at a distance of 50 mm	Sensing range_Recommended sensing range for the best performance	30 mm ... 80 mm
Emitted beam_Light source	PinPoint LED	Emitted beam_Type of light	Visible red light
Emitted beam_Shape of light spot	Line-shaped	Emitted beam_Light spot size (distance)	1.4 mm x 19 mm (50 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.	1 mm (At 50 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
Indication_LED green	Operating indicatorStatic on: power on	Indication_LED yellow	Status of received light beamOscillating: object presentStatic off: object not present
Special features	MultiPulse: sensor with self-monitoring	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_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	≤ 0.5 s2)	Digital output_Repeatability (response time)	150 µs
Digital output_Switching frequency	2 Hz3)	Pin/Wire assignment_Function of pin 4/black (BK)	Digital output, object present → output Q, HIGH/LOW oscillating 2 Hz4)
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, with knurled nuts, 338 mm
Connection detail_Deep-freeze property	Do not bend below 0 °C	Connection detail_Conductor size	0.14 mm²
Connection detail_Cable diameter	Ø 3.4 mm	Connection detail_Length of cable (L)	300 mm
Material_Housing	Plastic, VISTAL®	Material_Front screen	Plastic, PMMA
Material_Cable	Plastic, PVC	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