Product data sheet
WL12G-3O2431
W12G
SMALL PHOTOELECTRIC SENSORS
WL12G-3O2431 | W12G
SMALL PHOTOELECTRIC SENSORS
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Ordering information
Type
Part no.
WL12G-3O2431
1041457
Included in delivery: BEF-KH-W12 (2)
Other models and accessories
www.sick.com/W12G
Illustration may differ
Detailed technical data
Features
Sensor/ detection principle
Photoelectric retro-reflective sensor, autocollimation
Dimensions (W x H x D)
15.6 mm x 48.5 mm x 42 mm
Housing design (light emission)
Rectangular
Sensing range max.
0 m ... 4 m 1)
Type of light
Visible red light
Light source
LED 2)
Light spot size (distance)
Ø 25 mm (1.5 m)
Angle of dispersion
Approx. 1.5°
Wave length
640 nm
Adjustment
Potentiometer, 11 turns
Special applications
Detecting transparent objects
1)
2)
Reflector PL80A.
Average service life: 100,000 h at TU = +25 °C.
Mechanics/electronics
Supply voltage
1)
2)
3)
4)
5)
6)
7)
8)
2
10 V DC ... 30 V DC 1)
Limit values when operated in short-circuit protected network: max. 8 A.
May not exceed or fall below Uv tolerances.
Without load.
Signal transit time with resistive load.
With light/dark ratio 1:1.
A = VS connections reverse-polarity protected.
C = interference suppression.
D = outputs overcurrent and short-circuit protected.
PHOTOELECTRIC SENSORS | SICK
Product data sheet | 2021-01-13 21:56:08
Subject to change without notice
WL12G-3O2431 | W12G
SMALL PHOTOELECTRIC SENSORS
Ripple
≤ 5 Vpp 2)
Current consumption
30 mA 3)
Switching output
PNP
Switching mode
Light/dark switching
Switching mode selector
Selectable via L/D control cable
Signal voltage NPN HIGH/LOW
Approx. Uv / < 3 V
Output current Imax.
100 mA
Response time
≤ 330 µs 4)
Switching frequency
1,500 Hz 5)
Connection type
Male connector M12, 4-pin
Circuit protection
A 6)
C 7)
D 8)
Protection class
III
Weight
120 g
Polarisation filter
✔
Housing material
Metal, zinc diecast
Optics material
Plastic, PMMA
Enclosure rating
IP66
IP67
IP69K
Items supplied
2 x clamps BEF-KH-W12, incl. screws
Special feature
Detecting transparent objects
Ambient operating temperature
–40 °C ... +60 °C
Ambient storage temperature
–40 °C ... +75 °C
UL File No.
NRKH.E181493 & NRKH7.E181493
1)
2)
3)
4)
5)
6)
7)
8)
Limit values when operated in short-circuit protected network: max. 8 A.
May not exceed or fall below Uv tolerances.
Without load.
Signal transit time with resistive load.
With light/dark ratio 1:1.
A = VS connections reverse-polarity protected.
C = interference suppression.
D = outputs overcurrent and short-circuit protected.
Safety-related parameters
MTTFD
823 years
DCavg
0%
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
2021-01-13 21:56:08 | Product data sheet
Subject
to change without notice
PHOTOELECTRIC SENSORS | SICK
3
WL12G-3O2431 | W12G
SMALL PHOTOELECTRIC SENSORS
A
B
C
D
E
F
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
ETIM 5.0
EC002717
ETIM 6.0
EC002717
ETIM 7.0
EC002717
UNSPSC 16.0901
39121528
Connection diagram
Cd-087
BN
1
WH 2
BK 4
L/D
- (M)
Q
Light spot size
17.5
(0.69)
11.5
(0.45)
43.0
(1.69)
33.0
(1.30)
65.0
(2.56)
Sensor
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BU 3
+ (L+)
500 2,000
(19.69) (78.74)
1,000
(39.37)
4,000
(157.48)
3,000
(118.11)
Distance
All dimensions in mm (inch)
4
PHOTOELECTRIC SENSORS | SICK
Product data sheet | 2021-01-13 21:56:08
Subject to change without notice
WL12G-3O2431 | W12G
SMALL PHOTOELECTRIC SENSORS
Sensing range diagram
WL12G-3
1
2
3
4
5
6
7
8
0
4.0
0
4.0
0
3.0
0
3.5
0
3.5
0
3.0
0
0
1.8
0.6
0
1.0
2.0
3.0
4.0
(3.28)
(6.56)
(9.84)
(13.12)
Distance in m (feet)
Sensing range max.
① Reflector PL80A
② Reflector C110A
③ Reflector P250F
④ Reflector PL50A
⑤ Reflector PL40A
⑥ Reflector PL30A
⑦ Reflector PL20A
⑧ Reflective tape REF-IRF-56
Adjustments
WL12-3, WSE12-3
2 3
6
② LED indicator yellow: Status of received light beam
③ LED indicator green: Supply voltage active
⑥ Sensitivity control: potentiometer
2021-01-13 21:56:08 | Product data sheet
Subject
to change without notice
PHOTOELECTRIC SENSORS | SICK
5
WL12G-3O2431 | W12G
SMALL PHOTOELECTRIC SENSORS
Dimensional drawing (Dimensions in mm (inch))
WL12-3, WSE12-3
24 (0.94)
10 (0.39)
3.5
12.9
(0.51)
1
7.3 (0.29)
6.1
5
7
23.1
(0.91)
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5.1
(0.24)
39.9 (1.57)
48.5 (1.91)
ø 4.2
(0.91)
5
(0.2)
42 (1.65)
29.9 (1.18)
15.6 (0.61)
(0.14)
4
32 (1.26)
A
B
C
D
E
F
6
3
2
19.4
(0.76)
① Optical axis
② LED indicator yellow: Status of received light beam
③ LED indicator green: Supply voltage active
④ M4 threaded mounting hole, 4 mm deep
⑤ Mounting hole, Ø 4.2 mm
⑥ Sensitivity control: potentiometer
⑦ Connection
Recommended accessories
Other models and accessories
www.sick.com/W12G
Brief description
Type
Part no.
BEF-WN-REFX
2064574
P250F
5308843
YF2A14050VB3XLEAX
2096235
Mounting brackets and plates
Universal mounting bracket for reflectors, steel, zinc coated
Reflectors
Fine triple reflector, screw connection, suitable for laser sensors, 52 mm x 62 mm, PMMA/ABS, Screw-on, 2 hole mounting
Plug connectors and cables
Head A: female connector, M12, 4-pin, straight, A-coded
Head B: Flying leads
Cable: Sensor/actuator cable, PVC, unshielded, 5 m
6
PHOTOELECTRIC SENSORS | SICK
Product data sheet | 2021-01-13 21:56:08
Subject to change without notice
WL12G-3O2431 | W12G
SMALL PHOTOELECTRIC SENSORS
Brief description
Head A: male connector, M12, 4-pin, straight
Head B: Cable: unshielded
2021-01-13 21:56:08 | Product data sheet
Subject
to change without notice
Type
Part no.
STE-1204-G
6009932
PHOTOELECTRIC SENSORS | SICK
7
Online data sheet
SICK at a glance
SICK is one of the leading manufacturers of intelligent sensors and sensor solutions for industrial applications. A unique range of products and services creates the perfect basis for controlling processes securely
and efficiently, protecting individuals from accidents and preventing damage to the environment.
We have extensive experience in a wide range of industries and understand their processes and requirements. With intelligent sensors, we can deliver exactly what our customers need. In application centers in
Europe, Asia and North America, system solutions are tested and optimized in accordance with customer
specifications. All this makes us a reliable supplier and development partner.
Comprehensive services complete our offering: SICK LifeTime Services provide support throughout the machine life cycle and ensure safety and productivity.
For us, that is “Sensor Intelligence.”
Worldwide presence:
Contacts and other locations – www.sick.com
SICK AG | Waldkirch | Germany | www.sick.com
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