Compact photoelectric sensorsW26

Type:WLA26P-34162100A00

Part no.:
1218823

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Features

Functional principle

Photoelectric retro-reflective sensor

Functional principle detail

Autocollimation

Sensing range
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 filters

Yes

Emitted beam
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 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

Adjustment
IO-Link	For configuring the sensor parameters and Smart Task functions

Indication
LED blue	BluePilot: Alignment aid
LED green	Operating indicator Static on: power on Flashing: IO-Link mode
LED yellow	Status of received light beam Static on: object not present Static off: object present Flashing: Below the 1.5 function reserve

Special applications

Detecting objects wrapped in film

Safety-related parameters

MTTF_D 627 years

DC_avg 0 %

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

Rate of use: 60 %

Communication interface

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 = empty
VendorID	26
DeviceID HEX	0x800180
DeviceID DEC	8388992
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

≤ 30 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 and 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 LOW; 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 HIGH
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

Dimensions (W x H x D)

24.6 mm x 82.5 mm x 53.3 mm

Connection

Cable with M12 male connector, 4-pin, 317 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	IP66 (EN 60529) IP67 (EN 60529) IP69 (EN 60529) ¹⁾
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
Resistance to cleaning agent	ECOLAB
UL File No.	NRKH.E181493 & NRKH7.E181493

¹⁾ Replaces IP69K with ISO 20653: 2013-03.

Smart Task

Smart Task name

Base logics

Logic function

Direct

AND

Window

Hysteresis

Timer function

Deactivated

On delay

Off delay

ON and OFF delay

Impulse (one shot)

Inverter

Yes

Switching frequency

SIO Logic: 800 Hz ¹⁾

IOL: 650 Hz ²⁾

Response time

SIO Logic: 600 µs ¹⁾

IOL: 750 µs ²⁾

Repeatability

SIO Logic: 300 µs ¹⁾

IOL: 400 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 status Yes

Quality of teach Yes

Quality of run Yes, Contamination display

Classifications

eCl@ss 5.0	27270902
eCl@ss 5.1.4	27270902
eCl@ss 6.0	27270902
eCl@ss 6.2	27270902
eCl@ss 7.0	27270902
eCl@ss 8.0	27270902
eCl@ss 8.1	27270902
eCl@ss 9.0	27270902
eCl@ss 10.0	27270902
eCl@ss 11.0	27270902
eCl@ss 12.0	27270902
ETIM 5.0	EC002717
ETIM 6.0	EC002717
ETIM 7.0	EC002717
ETIM 8.0	EC002717
UNSPSC 16.0901	39121528