SICK sensor one of the world’s leading producers of sensors and sensor solutions for industrial applications. SICK is a technology and market leader in Factory and Logistics Automation as well as Process Automation. The sensor range are: Laser Sensors, Cylinder Sensors, Photoelectric Sensors, Fork Sensors, Encoders, Color Sensors, Distance Sensor, Contrast Sensor, Color Sensor, Inductive Proximity Sensors, Fiber Optic Sensor with our signature range sick sensor intelligence.

Part Number:1067779
Photoelectric Sensor Model:WL12GC-3P2472A71
OEM Spec Ref

Features

Device type	Photoelectric sensors
Sensor/ detection principle	Photoelectric retro-reflective sensor, autocollimation
Dimensions (W x H x D)	15.5 mm x 48.5 mm x 42 mm
Housing design (light emission)	Rectangular
Sensing range max.	0 m … 4 m
Sensing range	0 m … 4 m ¹⁾
Type of light	Visible red light
Light source	PinPoint LED ²⁾
Light spot size (distance)	Ø 25 mm (1.5 m)
Wave length	660 nm
Adjustment	IO-Link ³⁾ Single teach-in button
Pin 2 configuration	External input, Teach-in input, Sender off input, Detection output, logic output, Device contamination alarm output
AutoAdapt	✔
Special applications	Detecting transparent objects

¹⁾ Reflector PL80A.
²⁾ Average service life: 100,000 h at T_U = +25 °C.
³⁾ Mode I, 10 % attenuation.

Mechanics/electronics

Supply voltage	10 V DC … 30 V DC ¹⁾
Ripple	< 5 V_pp ²⁾
Current consumption	30 mA ³⁾
Switching output	PNP
Switching mode	Light/dark switching
Signal voltage PNP HIGH/LOW	Approx. V_S – 2.5 V / 0 V
Output current I_max.	≤ 100 mA
Response time Q/ on Pin 2	200 µs … 300 µs ⁴⁾ ⁵⁾
Switching frequency	1,500 Hz ⁶⁾
Switching frequency Q / to pin 2	≤ 1,500 Hz ⁷⁾
Attenuation along light beam	> 8 %
Connection type	Male connector M12, 4-pin
Circuit protection	A ⁸⁾ B ⁹⁾ C ¹⁰⁾ D ¹¹⁾
Protection class	III
Weight	120 g
Polarisation filter	✔
Housing material	Metal, zinc diecast
Optics material	Plastic, PMMA
Enclosure rating	IP66 IP67
Special feature	Detecting transparent objects
Ambient operating temperature	–40 °C … +60 °C
Ambient temperature, storage	–40 °C … +75 °C
UL File No.	NRKH.E181493 & NRKH7.E181493
Repeatability Q/ on Pin 2:	100 µs ⁵⁾

¹⁾ Limit values when operated in short-circuit protected network: max. 8 A.
²⁾ May not exceed or fall below U_v tolerances.
³⁾ Without load.
⁴⁾ Signal transit time with resistive load.
⁵⁾ Valid for Q \ on Pin2, if configured with software.
⁶⁾ With light/dark ratio 1:1.
⁷⁾ With light / dark ratio 1:1, valid for Q \ on Pin2, if configured with software.
⁸⁾ A = V_S connections reverse-polarity protected.
⁹⁾ B = inputs and output reverse-polarity protected.
¹⁰⁾ C = interference suppression.
¹¹⁾ D = outputs overcurrent and short-circuit protected.

Communication interface

Communication interface	IO-Link V1.1
Communication Interface detail	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 = measuring value
VendorID	26
DeviceID HEX	0x8000F4
DeviceID DEC	8388852

Smart Task

Smart Task name

Counter + debouncing

Logic function

Direct

WINDOW

Hysteresis

Timer function

Deactivated

On delay

Off delay

ON and OFF delay

Impulse (one shot)

Inverter

Yes

Maximum counting frequency

SIO Direct: — ¹⁾

SIO Logic: 1500 Hz ²⁾

IOL: 1000 Hz ³⁾

Counter reset

SIO Direct: —

SIO Logic: 1,5 ms

IOL: 1,5 ms

Min. Time between two process events (switches)

SIO Direct: —

SIO Logic: 450 µs

IOL: 500 µs

Debounce time max.

SIO Direct: —

SIO Logic: 30.000 ms

IOL: 30.000 ms

Switching signal
Switching signal Q_L1	Output type (dependant on the adjusted threshold)
Switching signal Q_L2	Output type (dependant on the adjusted threshold)

Measuring value

Counting value

¹⁾ SIO Direct: sensor operation in standard I/O mode without IO-Link communication and without using internal sensor logic or time parameters (set to “direct”/”deactivated”).
²⁾ SIO Logic: Sensor operation in standard I/O mode without IO-Link communication. Sensor-internal logic or timing parameters plus Automation Functions used.
³⁾ IOL: Sensor operation with full IO-Link communication and usage of logic, timing and Automation Function parameters.