ONLINE DATA SHEET
Photoelectric sensors
W8, Photoelectric proximity sensor, Background
suppression
WTB8-P2111
www.mysick.com
Photoelectric sensors
W8, Photoelectric proximity sensor, Background suppression
Type
Part No.
> WTB8-P2111
> 6033213
At a glance
• Background suppression
• Standard miniature housing with M3 threaded mounting holes
• Light/dark switching selectable via rotary switch
Your benefits
• Reliable detection of objects regardless of color or surface qualities
• Background suppression provides a high level of precision and repeatability
• Highly visible light spot simplifies alignment
• M3 mounting holes ensure quick installation
Illustration may differ
Features
Sensor/detection principle:
Dimensions (W x H x D):
Housing design (light emission):
Sensing range max.:
Sensing range:
Type of light:
Light source:
Alarm output:
Focus adjustable:
Adjustment:
Light spot size (distance):
1) 2)
Photoelectric proximity sensor, Background suppression
11 mm x 31 mm x 20 mm
Rectangular
1)
5 mm ... 100 mm
2)
20 mm ... 100 mm
Visible red light
3)
LED
-
-
Potentiometer, 4 turns
Ø 6 mm (100 mm)
3)
Average service life of 100,000 h at T = +25 °C
A
Object with 90 % reflectance (referred to standard white, DIN 5033)
Mechanics/electronics
Supply voltage:
Ripple:
Power consumption:
Output type:
Switching mode:
Switching mode selector:
Output current Imax.:
Response time:
Switching frequency:
Connection type:
10 V DC ... 30 V DC
2)
± 10 %
3)
≤ 30 mA
PNP, open collector
Light/dark switching
Manually selectable
≤ 100 mA
4)
≤ 0.5 ms
5)
1,000 Hz
Connector M8, 3-pin
1)
Photoelectric sensorsAAAAAAAAAAAAA© SICK AG. Subject to change without notice.AAAAAAAAAAAAA2/11/2016 3:32:52 AM
Circuit protection:::
Weight:
Polarisation filter:
Front screen heating:
Housing material:
Optics material:
Enclosure rating:
Items supplied:
Ambient temperature operation:
Ambient storage temperature:
Signal voltage PNP HIGH/LOW:
1)
A, B, D
10 g
-
-
ABS, Plastic
PMMA
IP 67
Stainless steel mounting bracket (1.4301/304) BEF-W100-A
-25 °C ... +55 °C
-40 °C ... +70 °C
Approx. VS - 1.8 V ∕ 0 V
6) 7) 8)
2)
3)
4)
Limit values, operation in short-circuit protected network max. 8 A
May not exceed or fall short of V tolerances
Without load
Signal transit time with resistive
S
5)
6)
7)
8)
load
With light/dark ratio 1:1
A = V connections reverse-polarity protected
B = inputs and output reverse-polarity protected
D = outputs overcurrent and
S
short-circuit protected
Dimensional drawing
Photoelectric sensorsAAAAAAAAAAAAA© SICK AG. Subject to change without notice.AAAAAAAAAAAAA2/11/2016 3:32:52 AM
Adjustments possible
Connection diagram
Photoelectric sensorsAAAAAAAAAAAAA© SICK AG. Subject to change without notice.AAAAAAAAAAAAA2/11/2016 3:32:52 AM
Characteristic curve
Connection type
Sensing range diagram
Photoelectric sensorsAAAAAAAAAAAAA© SICK AG. Subject to change without notice.AAAAAAAAAAAAA2/11/2016 3:32:52 AM
