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SICK WTB140-P420 Overview



Photoelectric Proximity Switch, Background-suppression, LED-red, Timer, sr: 500mm; WTB140-P420

SICK WTB140-P420 Description



  • With background suppression (BGS), consequently reliable detection of dark objects in front of a light background
  • Scanning distance adjustable via potentiometer
  • Red light as alignment aid
  • Optionally with time release delay tOFF = 0 ... 100 ms

Product features
Sensing range min ... max:15 mm ... 500 mm, 2 mm ... 500 mm
Light source:LED
Type of light:Red light
Light spot diameter:Approx. 15 mm at 200 mm distance
Laser:Red light
Sensing range max.:15 mm ... 500 mm, 2 mm ... 500 mm
Adjustment::potentiometer, 5-turn
Wave length:680 nm
Technical data
Design:cuboid
Dimensions (W x H x D):11 mm x 31 mm x 20 mm
Supply voltage min ... max:DC 10 ... 30 V 1)
Ripple: 10 %
Power consumption:≤ 30 mA
Switching output:PNP: open collector: Q
Switching mode:Light-/dark-switching via L/D control cable
Output current max.:100 mA
Response time:≤ 0.5 ms
Switching frequency:1,000 Hz
Connection type:Connector, M8, 4-pin
Circuit protection:VS connections reverse-polarity protected / In-/outputs short-circuit protected / Interference suppression / Outputs overcurrent and short-circuit protected
Enclosure rating:IP 67
Ambient operation temperature, min ... max:-25 C ... +55 C
Ambient storage temperature, min ... max:-40 C ... +70 C
Weight:ca. 9 g
Housing material:PBT
Signal voltage PNP HIGH / LOW:Vs - 1.8 V / approx. 0 V
Angle of dispersion:ca. 4.3
Series:W140-2
Optics material:PC
Time delay:selectable: 0 ... 100 ms
Time type:t OFF (off delay)
1) Limit values, reverse-polarity protected operation in short-circuit protected network max. 8 A



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