Photoelectric sensors | W4 | WTB4ST-84161120A00 | Sensing range min. / max.: 0 mm / 150 mm | Functional principle: Photoelectric proximity sensor | Functional principle detail: Background suppression, DoubleLine | Switching output: Push-pull: PNP/NPN | Switching mode: Light/dark switching | Connection type: Cable with M12 male connector, 4-pin, 190 mm | Light source: PinPoint LED | Type of light: Visible red light | Housing material: VISTAL® | Adjustment: Teach-in button, Potentiometer, Teach-Turn adjustment, IO-Link | Smart Sensor: Enhanced Sensing, efficient communication, diagnosis, Smart Task | Smart Task name: Base logics | Housing: Rectangular
Functional principle
Photoelectric proximity sensor
Functional principle detail
Background suppression, DoubleLine
Sensing range min.
0 mm
Sensing range max.
150 mm
Adjustable switching threshold for background suppression
10 mm ... 150 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%)
0.8 mm, At 70 mm distance
Recommended sensing range for the best performance
50 mm ... 90 mm
Light source
PinPoint LED
Type of light
Visible red light
Shape of light spot
Line-shaped, two parallel line-shaped light spots
Light spot size (distance)
2.5 mm x 16 mm (50 mm)
Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle)
< +/- 1.5° (at TU= +23 °C)
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 onFlashing: IO-Link mode
LED yellow
Status of received light beamStatic on: object presentStatic off: object not present
Special applications
Detecting flat objects, Detecting objects wrapped in film, Detecting perforated objects, Detecting uneven, shiny objects
MTTFD
1,399 years
DCavg
0%
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 QL1
VendorID
26
DeviceID HEX
0x80031E
DeviceID DEC
8389406
Compatible master port type
A
SIO mode support
Yes
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
2
Type
Push-pull: PNP/NPN
Switching mode
Light/dark 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
Repeatability (response time)
240 µs
Function of pin 4/black (BK)
Digital output, light switching, object present → output QL1HIGH2)
Function of pin 4/black (BK) – detail
The pin 4 function of the sensor can be configured
Function of pin 2/white (WH)
Digital output, dark switching, object present → output ǬL1LOW2)
Function of pin 2/white (WH) – detail
The pin 2 function of the sensor can be configured
Design detail
Slim
Dimensions (W x H x D)
12.1 mm x 41.9 mm x 18.6 mm
Connection
Cable with M12 male connector, 4-pin, 190 mm
Deep-freeze property
Do not bend below 0 °C
Conductor size
0.14 mm²
Cable diameter
Ø 3.4 mm
Length of cable (L)
142 mm
Length of male connector
48 mm
Housing
Plastic, VISTAL®
Front screen
Plastic, PMMA
Cable
Plastic, PVC
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
Smart Task name
Base logics
Logic function
DirectANDOR
Timer function
DeactivatedSwitch-on delayOff delayON and OFF delayImpulse (one shot)
Inverter
Yes
Switching frequency
SIO Logic: 450 Hz1)
Response time
SIO Logic: 1100 µs1)
Repeatability
SIO Logic: 500 µs1)
Switching signal QL1
Switching output
Switching signal ǬL1
Switching output
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
EU declaration of conformity
✔
UK declaration of conformity
✔
ACMA declaration of conformity
✔
Moroccan declaration of conformity
✔
China RoHS
✔
cULus certificate
✔
Information according to Art. 3 of Data Act (Regulation EU 2023/2854)
✔
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
EC002719
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