Photoelectric sensors | W26 | WLA26P-X01 | Sensing range min. / max.: 0 m / 18 m | Functional principle: Photoelectric retro-reflective sensor | Functional principle detail: Without reflector minimum distance (autocollimation/coaxial optics) | Switching output: Push-pull: PNP/NPN | Switching mode: Light/dark switching | Connection type: Cable with M12 male connector, 4-pin, 318 mm | Light source: PinPoint LED | Type of light: Visible red light | Housing material: VISTAL® | Adjustment: IO-Link | Communication interface: IO-Link V1.1 | Smart Sensor: Enhanced Sensing, efficient communication, diagnosis, Smart Task | Smart Task name: Base logics | Housing: Rectangular
Functional principle
Photoelectric retro-reflective sensor
Functional principle detail
Without reflector minimum distance (autocollimation/coaxial optics)
Sensing range min.
0 m
Sensing range max.
18 m
Maximum distance range from reflector to sensor (operating reserve 1)
0 m ... 18 m
Recommended distance range from reflector to sensor (operating reserve 3,75)
0 m ... 12 m
Reference reflector
Reflector PL80A
Recommended sensing range for the best performance
0 m ... 12 m
Polarisation filter
Yes
Light source
PinPoint LED
Type of light
Visible red light
Shape of light spot
Point-shaped
Light spot size (distance)
Ø 100 mm (10 m)
Maximum dispersion of the emitted beam around the standardized transmission axis (squint angle)
< +/- 1.0° (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
LED blue
BluePilot: Alignment aid
LED green
Operating indicatorStatic on: power onFlashing: IO-Link mode
LED yellow
Status of received light beamStatic on: object not presentStatic off: object presentFlashing: Below the 1.5 function reserve
Special applications
Detecting objects wrapped in film, Explosive areas
MTTFD
690 years
DCavg
0%
TM(mission time)
20 years
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
0x800180
DeviceID DEC
8388992
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
≤ 30 mA, without load. At UB= 24 V
Protection class
III
Number
2 (Complementary)
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)
150 µs
Function of pin 4/black (BK)
Digital output, light switching, object present → output QL1LOW; IO-Link communication C4)
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 ǬL1HIGH4)
Function of pin 2/white (WH) – detail
The pin 2 function of the sensor can be configured
Dimensions (W x H x D)
31.4 mm x 112.3 mm x 70.4 mm
Connection
Cable with M12 male connector, 4-pin, 318 mm
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
Length of male connector
48 mm
Bending radius
For flexible use > 12 x cable diameter
Bending cycles
1,000,000
Housing
Plastic, VISTAL®
Protective housing
Metal, Stainless steel V2A (1.4301)
Front screen
Plastic, PMMA
Cable
Plastic, PVC
Male connector
Plastic, VISTAL®
Kaal
425 g
Maximum tightening torque of the fixing screws
2 Nm
Enclosure rating
IP66 (EN 60529)IP67 (EN 60529)
ATEX marking
ATEX II 3G Ex nA op is IIB T4 Gc XATEX II 3D Ex tc IIIB T135°C Dc XIn accordance with directive 2014/34 / EU
Ex area category
3D, 3G
Ambient operating temperature
–20 °C ... +50 °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
Resistance to cleaning agent
ECOLAB
UL File No.
NRKH.E181493 & NRKH7.E181493
Smart Task name
Base logics
Logic function
DirectANDORWindowHysteresis
Timer function
DeactivatedSwitch-on delayOff delayON and OFF delayImpulse (one shot)
Inverter
Yes
Switching frequency
SIO Logic: 800 Hz1)IOL: 650 Hz2)
Response time
SIO Logic: 600 µs1)IOL: 750 µs2)
Repeatability
SIO Logic: 300 µs1)IOL: 400 µs2)
Switching signal QL1
Switching output
Switching signal ǬL1
Switching output
Device status
Yes
Quality of teach
Yes
Quality of run
Yes, Contamination display
EU declaration of conformity
✔
UK declaration of conformity
✔
ACMA declaration of conformity
✔
Moroccan declaration of conformity
✔
China RoHS
✔
cULus certificate
✔
Photobiological safety (DIN EN 62471) certificate
✔
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