WTB4FP-32161120A00

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)

Key LED figures
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 T_a = +25 °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
IO-Link	For configuring the sensor parameters and Smart Task functions

Indication
LED blue	BluePilot: sensing range indicator
LED green	Operating indicator Static on: power on Flashing: IO-Link mode
LED yellow	Status of received light beam Static on: object present Static off: object not present

Safety-related parameters

MTTF_D 642 years

DC_avg 0 %

T_M (mission time)
20 years (EN ISO 13849)

Rate of use: 60 %

Communication interface

IO-Link	✔ , IO-Link V1.1
Data transmission rate	COM2 (38,4 kBaud)
Cycle time	2.3 ms
Process data length	16 Bit
Process data structure	Bit 0 = switching signal Q_L1
	Bit 1 = switching signal Q_L2
	Bit 2 … 15 = Current receiver level (live)
VendorID	26
DeviceID HEX	0x80024A
DeviceID DEC	8389194
Compatible master port type	A
SIO mode support	Yes

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	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 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, light switching, object present → output Q_L1 HIGH; IO-Link communication C
Function of pin 4/black (BK) – detail	The pin 4 function of the sensor can be configured, Additional possible settings via IO-Link
Function of pin 2/white (WH)	Digital output, dark switching, object present → output Ǭ_L1 LOW
Function of pin 2/white (WH) – detail	The pin 2 function of the sensor can be configured, Additional possible settings via IO-Link

¹⁾ Limit values.
²⁾ Signal transit time with resistive load in switching mode.
³⁾ With light/dark ratio 1:1.

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 M8 male connector, 4-pin, 110 mm

Connection detail
Deep-freeze property	Do not bend below 0 °C
Conductor size	0.14 mm²
Cable diameter	Ø 3.4 mm
Length of cable (L)	77 mm

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

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

Smart Task

Smart Task name

Base logics

Logic function

Direct

AND

Timer function

Deactivated

On delay

Off delay

ON and OFF delay

Impulse (one shot)

Inverter

Yes

Switching frequency

SIO Logic: 900 Hz ¹⁾

IOL: 800 Hz ²⁾

Response time

SIO Logic: 550 µs ¹⁾

IOL: 600 µs ²⁾

Repeatability

SIO Logic: 200 µs ¹⁾

IOL: 250 µs ²⁾

Switching signal
Switching signal Q_L1	Switching output
Switching signal Ǭ_L1	Switching output

¹⁾ Use of Smart Task functions without IO-Link communication (SIO mode).
²⁾ Use of Smart Task functions with IO-Link communication function.

Diagnosis

Device temperature
Measuring range	Very cold, cold, moderate, warm, hot

Device status

Yes

Detailed device status

Yes

Operating hour counter

Yes

Operating hours counter with reset function

Yes

Quality of teach

Yes

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