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Photoelectric sensors
W4-3

Best-in-class sensing performance in a miniature housing

Your Benefits

  • Low-cost integration due to optimal machine integration in areas with limited space
  • Application versatility due to reliable detection of shiny or jet-black objects
  • Rugged mounting system with M3 threaded metal inserts reduces maintenance costs due to a long service life
  • High immunity to ambient light reduces downtime caused by false trips
  • Clearly visible light spot simplifies alignment
  • IO-Link provides easy data access from the PLC
  • Quick and easy configuration
  • Quick and easy integration using function blocks

Overview

Best-in-class sensing performance in a miniature housing

The W4-3 family of photoelectric sensors offers best-in-class performance in a miniature housing design. Using the latest ASIC and PinPoint LED technologies, these sensors provide reliable object detection of transparent and glossy objects like blisters, e-cards and aluminum cans. Optical axes on the flat side enable simple, space-saving integration in machine environments - even without mounting brackets.

At a glance
  • Best background suppression sensor in its class
  • Universal use of PinPoint technology in all models
  • BGS proximity sensor with laser-like light spot for precise detection tasks
  • Reliable setting via 5-turn potentiometer, teach-in pushbutton, teach-in via cable or IO-Link
  • Flexible sensor settings, monitoring, advanced diagnostics, and display thanks to IO-Link

Applications

Technical overview

 
  • Technical data overview

    Technical data overview

    Dimensions (W x H x D)

    16 mm x 39.5 mm x 12 mm

    16 mm x 36.5 mm x 12 mm

    Sensing range max.

    4 mm ... 150 mm 1)

    3 mm ... 150 mm 1)

    4 mm ... 140 mm 1)

    4 mm ... 55 mm 1)

    28 mm ... 165 mm 1)

    15 mm ... 150 mm 1)

    3 mm ... 200 mm

    3 mm ... 250 mm 1)

    4 mm ... 50 mm 1)

    4 mm ... 25 mm 1)

    22 mm 1)

    2 mm ... 50 mm 1)

    3 mm ... 50 mm 1)

    10 mm ... 60 mm 1)

    0.01 m ... 4.5 m 2)

    0.01 m ... 4.5 m

    0.4 m ... 3.5 m 3)

    0.4 m ... 9 m 2)

    0 m ... 4 m

    0 m ... 1.5 m

    0 m ... 0.9 m

    Light sourcePinPoint LED / LED
    Type of lightVisible red light / Infrared light
    Enclosure rating

    IP67

    IP66

    Housing material

    Plastic ABS

    Plastic ABS 4)

    Adjustment

    Potentiometer, 5 turns

    Single teach-in button

    Cable, Single teach-in button 5)

    Single teach-in button, IO-Link

    None

    Cable, Single teach-in button

    Cable, Single teach-in button 6)

    IO-Link

    • 1) Object with 90 % reflectance (referred to standard white, DIN 5033).
    • 2) Reflector PL80A.
    • 3) Reflector PL31A.
    • 4) PTFE coating.
    • 5) External teach-in: pulse > 2 s with voltage Uv with PNP and M with NPN.
    • 6) External teach-in: impuls > 2 s with voltage VS.
All technical data can be found accompanying the individual product

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