WTB26I-3B111120ZZZ

Features

Functional principle

Photoelectric proximity sensor

Functional principle detail

Background suppression

Sensing range
Sensing range min.	30 mm
Sensing range max.	2,000 mm
Adjustable switching threshold for background suppression	180 mm … 2,000 mm
Reference object	Object with 90% remission (based on standard white, DIN 5033)
Minimum distance between set sensing range and background (black 6% / white 90%)	85 mm, at a distance of 800 mm
Recommended sensing range for the best performance	200 mm … 800 mm

Emitted beam
Light source	LED
Type of light	Infrared light
Shape of light spot	Point-shaped
Light spot size (distance)	Ø 14 mm (1,000 mm)
Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle)	< +/- 1.0° (at Ta = +23 °C)

Key LED figures
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 T_a = +25 °C

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

Safety-related parameters

MTTF_D 626 years

DC_avg 0 %

T_M (mission time)
EN ISO 13849

Rate of use: 60 %

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

≤ 30 mA, without load. At U_B = 24 V ²⁾

Protection class

III

Digital output
Number	2 (Complementary)
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 and short-circuit protected
Response time	≤ 500 µs ³⁾
Repeatability (response time)	150 µs
Switching frequency	1,000 Hz ⁴⁾

Pin/Wire assignment
Function of pin 4/black (BK)	Digital output, light switching, object present → output Q HIGH
Pin 5 function/white (WH)	Digital output, dark switching, object present → output Ǭ LOW

Output function

Factory setting: Pin 5 / white: NPN normally open (light switching), PNP normally closed (dark switching), Pin 4 / black: NPN normally closed (dark switching), PNP normally open (light switching)

¹⁾ Limit values.
²⁾ 10 V DC … 16 V DC, without load.
³⁾ Signal transit time with resistive load in switching mode.
⁴⁾ With light/dark ratio 1:1.

Mechanical data

Housing

Rectangular

Dimensions (W x H x D)

24.6 mm x 82.5 mm x 53.3 mm

Connection

Cable with connector Q7, 7-pin, DC-coding, 298 mm

Connection detail
Deep-freeze property	Do not bend below 0 °C
Conductor size	0.14 mm²
Cable diameter	Ø 4.8 mm
Length of cable (L)	270 mm
Bending radius	For flexible use > 12 x cable diameter
Bending cycles	1,000,000

Material
Housing	Plastic, VISTAL®
Front screen	Plastic, PMMA
Cable	PVC
Male connector	Plastic, VISTAL®

Weight

Approx. 100 g

Maximum tightening torque of the fixing screws

1.3 Nm

Ambient data

Enclosure rating	IP65 (EN 60529)
Ambient operating temperature	–40 °C … +60 °C
Ambient temperature, storage	–40 °C … +75 °C
Shock resistance	50 g, 11 ms (25 positive and 25 negative shocks per axis, for X, Y, Z axes, 150 shocks in total (EN60068-2-27)) 50 g, 6 ms (5,000 positive and 5,000 negative shocks per axis, for X, Y, Z axes, 30,000 shocks in total (EN60068-2-27))
Vibration resistance	10 Hz … 2,000 Hz (Amplitude 0.5 mm / 10 g, 20 sweeps per axis, for X, Y, Z axes, 1 octave/min, (EN60068-2-6))
Air humidity	35 % … 95 %, Relative humidity (no condensation)
Electromagnetic compatibility (EMC)	EN 60947-5-2
UL File No.	NRKH.E181493 & NRKH7.E181493

Classifications

eCl@ss 5.0	27270904
eCl@ss 5.1.4	27270904
eCl@ss 6.0	27270904
eCl@ss 6.2	27270904
eCl@ss 7.0	27270904
eCl@ss 8.0	27270904
eCl@ss 8.1	27270904
eCl@ss 9.0	27270904
eCl@ss 10.0	27270904
eCl@ss 11.0	27270904
eCl@ss 12.0	27270903
ETIM 5.0	EC002719
ETIM 6.0	EC002719
ETIM 7.0	EC002719
ETIM 8.0	EC002719
UNSPSC 16.0901	39121528