Photoelectric sensors
W4SL-3, Photoelectric proximity sensor, Background
suppression
Type
Part No.
> WTB4SL-3N1161
> 1058242
At a glance
• Precise laser light spot, laser class 1
• Latest SICK proprietary ASIC and laser technologies with second emitter LED to
provide outstanding background suppression and ambient light immunity
• Sensing range between 25 and 300 mm
• Established and proven housing design
• High-quality sensor manufacturing and testing for mechanical ruggedness
• Choice of adjustment via teach-in button, 5-turn potentiometer, or cable
Your benefits
• Precise laser light spot for highly accurate switching behavior
• High optical ambient light immunity reduces incorrect switching and thus machine
downtime, even when modern energy-saving lamps are used
• High-quality sensor manufacturing and testing reduce maintenance costs
• The highest degree of machine design flexibility and outstanding BGS
(background suppression) minimizes the effect of background reflections
• Established and proven housing design for easy installation
Illustration may differ
Features
Sensor/detection principle:
Dimensions (W x H x D):
Housing design (light emission):
Mounting hole:
Sensing range max.:
Sensing range:
Type of light:
Light source:
Laser class:
Wave length:
Adjustment:
Light spot size (distance):
1) 2)
Photoelectric proximity sensor, Background suppression
12.2 mm x 41.8 mm x 17.3 mm
Rectangular
M3
1)
25 mm ... 300 mm
2)
25 mm ... 300 mm
Visible red light
3)
Laser
1, 1 (EN60825-1:2008-05 & IEC 60825-1:2007-03 ∕ CDRH 21 CFR
1040.10 & 1040.11)
650 nm
Potentiometer, 5 turns
Ø 1 mm (170 mm)
3)
Average service life 50,000 h at T = +25 °C
A
Object with 90 % reflectance (referred to standard white, DIN 5033)
Mechanics/electronics
Photoelectric sensorsAAAAAAAAAAAAA© SICK AG. Subject to change without notice.AAAAAAAAAAAAA2/4/2016 1:48:20 AM
Supply voltage:
Ripple:
Power consumption:
Output type:
Output function:
Switching mode:
Output current Imax.:
Response time:
Switching frequency:
Connection type:
Cable material:
Conductor cross-section:
Circuit protection:::
Protection class:
Weight:
Optics material:
Enclosure rating:
Ambient operating temperature:
Ambient storage temperature:
Ambient operating temperature extended::
Housing material:
1)
10 V DC ... 30 V DC
2)
< 5 Vpp
3)
≤ 30 mA
4)
NPN
Complementary
5)
Light/dark switching
≤ 100 mA
6)
≤ 0.5 ms
7)
1,000 Hz
8)
Cable, 4-wire, 2 m
PVC
0.14 mm²
9) 10) 11)
A, B, C
III
100 g
PMMA
IP 66
IP 67
-10 °C ... +50 °C
-30 °C ... +70 °C
12) 13)
-30 °C ... +55 °C
Plastic, Bayblend
1)
2)
3)
4) 5)
6)
Limit values, operation in short-circuit protected network max. 8 A
May not exceed or fall short of V tolerances
Without load
Q = light switching
Signal
S
7)
8)
9)
10)
transit time with resistive load
With light/dark ratio 1:1
Do not bend below 0 °C
A = V connections reverse-polarity protected
B = inputs and output
S
11)
12)
reverse-polarity protected
C = interference suppression
As of T = 50 °C, a max. supply voltage V
= 24 V and a max. load current I
= 50 mA is
a
max.
max.
13)
permitted
Using the sensor below T = -10 °C is possible, if the sensor is turned on at T > -10 °C, then the environment cools down and the sensor is not
a
a
disconnected from the supply voltage during the whole time. It is not allowed to turn on the sensor below T = -10 °C
a
Photoelectric sensorsAAAAAAAAAAAAA© SICK AG. Subject to change without notice.AAAAAAAAAAAAA2/4/2016 1:48:20 AM
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