SICK WL12GC-3P2472B01 Miniature Photoelectric Sensor

Selling Points

1High Precision Detection: Accurately detects objects with a precise red light beam.
2Versatile Applications: Suitable for conveyor speed measurement, presence monitoring, and edge detection in robotic grippers.
3Compact Design: Compact rectangular housing (7.7 mm x 21.8 mm x 13.5 mm) for easy installation in space-limited areas.
4Background Suppression: Reduces false readings caused by stray background reflections with built-in background suppression.
5Reliable Performance: Ensures consistent detection of objects even in demanding industrial environments.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Parameter	Value	Parameter	Value
Functional principle	Photoelectric retro-reflective sensor	Functional principle detail	Without reflector minimum distance (autocollimation/coaxial optics)
Sensing range max.	0 m ... 4 m	Sensing range	0 m ... 4 m
Polarisation filters	Yes	Emitted beam_Light source	PinPoint LED2)
Emitted beam_Type of light	Visible red light	Emitted beam_Light spot size (distance)	Ø 25 mm (1.5 m)
Key LED figures_Wave length	660 nm	Adjustment	IO-Link, Single teach-in button
Special features	Functions compatible with WL12GC-3P2472A91	Special applications	Detecting transparent objects
Pin 2 configuration	External input, Teach-in input, Sender off input, Detection output, logic output, Device contamination alarm output	AutoAdapt	✔
IO-Link_Data transmission rate	COM2 (38,4 kBaud)	IO-Link_Cycle time	2.3 ms
IO-Link_Process data length	16 Bit	IO-Link_Process data structure	Bit 0 = switching signal QL1
IO-Link	Bit 1 = switching signal QL2	IO-Link	Bit 2 ... 15 = measuring value
IO-Link_VendorID	26	IO-Link_DeviceID HEX	0x8000F5
IO-Link_DeviceID DEC	8388853	Supply voltage UB	10 V DC ... 30 V DC
Ripple	< 5 V	Current consumption	30 mA
Protection class	III	Digital output_Type	PNP4)
Digital output_Switching mode	Light/dark switching	Digital output_Signal voltage PNP HIGH/LOW	Approx. VS– 2.5 V / 0 V
Digital output_Output current Imax.	≤ 100 mA	Digital output_Repeatability (response time)	100 µs5)
Digital output_Switching frequency	1,500 Hz6)	Attenuation along light beam	> 8 %
Circuit protection	A7)#!#B8)#!#C9)#!#D10)	Response time Q/ on Pin 2	200 µs ... 300 µs
Switching frequency Q / to pin 2	≤ 1,500 Hz	Special feature	Detecting transparent objects
Housing	Rectangular	Dimensions (W x H x D)	15.6 mm x 48.5 mm x 42 mm
Connection	Male connector M12, 4-pin	Material_Housing	Metal, zinc diecast
Material_Front screen	Plastic, PMMA	Weight	120 g
Smart Task name	Timestamp + debouncing	Logic function	Direct#!#AND#!#OR#!#WINDOW#!#Hysteresis
Timer function	Deactivated#!#Switch-on delay#!#Off delay#!#ON and OFF delay#!#Impulse (one shot)	Inverter	Yes
Response time	SIO Direct: 300 µs ... 450 µs1)#!#SIO Logic: 550 µs ... 650 µs2)#!#IOL: ---3)	Repeatability	SIO Direct: 150 µs1)#!#SIO Logic: 150 µs2)#!#IOL: ---3)
Time stamp accuracy	SIO Direct: ---#!#SIO Logic: ---#!#IOL: - 90 ... + 90 µs	Min. Time between two process events (switches)	SIO Direct: 450 µs#!#SIO Logic: 450 µs#!#IOL: 500 ms
Time stamp number buffer	SIO Direct: ---#!#SIO Logic: ---#!#IOL: 8	Max. TimeStamp Range	SIO Direct: ---#!#SIO Logic: ---#!#IOL: 260 ms
Debounce time max.	SIO Direct: ---#!#SIO Logic: 52 ms#!#IOL: 52 ms	Switching signal_Switching signal QL1	Switching output
Switching signal_Switching signal QL2	Switching output	Measuring value	Timestamp
Device status	Yes	Quality of teach	Yes
Quality of run	Yes, Contamination display

Specifications may be subject to change without notice