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Cylindrical M18 photoelectric proximity sensor, plastic PBT/PC housing, axial optics, M12 4-pin connector

Sick

Sick VTF18-4P5640 Photoelectric Proximity Sensor PNP

SKU CH-SYMS-6DQG7

A photoelectric proximity sensor with background blanking detects objects up to 45 mm using focused infrared optics in a cylindrical M18 housing rated IP67

  • Background blanking ignores objects beyond 45 mm
  • Focused infrared LED spot 3 mm at 25 mm
  • PNP output selectable light or dark switching
  • IP67 rated for dust and water immersion
  • Operates from –25 °C to +70 °C

Industrial photoelectric sensor

The Sick VTF18-4P5640 is a cylindrical photoelectric proximity sensor with background blanking for reliable object detection in industrial automation. It operates on 10 V DC to 30 V DC supply voltage and provides a PNP switching output with selectable light or dark switching via the L/D control cable. The M12 4-pin male connector ensures standard electrical integration.

Suited for short-range presence sensing

This sensor suits applications needing focused infrared detection up to 45 mm with a 3 mm light spot at 25 mm distance. The IP67 enclosure rating and –25 °C to +70 °C operating range support harsh environments. It is not for buyers who need longer sensing distances, analog output signals, or adjustable sensitivity settings for variable targets.

Straightforward M12 mounting and wiring

The M18 x 1 thread allows direct installation into standard mounting holes without special brackets. Wiring follows the 4-pin M12 pinout for supply, output and L/D control functions. Common issues include exceeding the 100 mA output current limit or connecting outside the 10 V DC to 30 V DC range, which triggers the built-in circuit protection.

Highlights

  • Background blanking ignores objects beyond 45 mm
  • Focused infrared LED spot 3 mm at 25 mm
  • PNP output selectable light or dark switching
  • IP67 rated for dust and water immersion
  • Operates from –25 °C to +70 °C

Specifications

BrandSICK
ModelSICK VTF18-4P5640

Questions about this item

What voltage supply does the VTF18-4P5640 need to operate?

The sensor requires a 10 V DC to 30 V DC supply with ripple below 10 % and draws up to 30 mA.

Can I use the M12 4-pin connector on my existing M12 cables?

Yes, the male M12 4-pin connector mates with standard M12 4-pin cables for PNP light/dark switching.

How do I verify the sensor is detecting correctly after installation?

The switching frequency of 250 Hz and 2 ms response time mean the output toggles cleanly when an object enters the 0 mm to 45 mm sensing range.

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