Sick
Sick VTF18-4P1812 Photoelectric Proximity Sensor PNP
Photoelectric proximity sensor with background blanking detects objects up to 90 mm using focused infrared optics in a cylindrical M18 housing rated IP67
- Photoelectric sensor with background blanking ignores distant objects
- PNP light/dark switching selectable via control cable
- IP67 enclosure rating withstands dust and water ingress
- 10 V DC to 30 V DC supply voltage suits industrial power
- 250 Hz switching frequency enables fast detection cycles
Industrial proximity sensor
The Sick VTF18-4P1812 is a cylindrical photoelectric proximity sensor with background blanking for reliable object detection in automation tasks. It operates on 10 V DC to 30 V DC and provides a PNP switching output with selectable light or dark switching via a control cable. The 4-wire PVC cable is 2 m long and the housing carries an IP67 enclosure rating.
Sustained load behaviour
With a switching frequency of 250 Hz and a response time of 2 ms the sensor maintains consistent detection during continuous operation. Power consumption stays at 30 mA and the output current is limited to 100 mA, while built-in circuit protection guards against overload and short circuits. The focused optics keep the light spot at Ø 3 mm at 50 mm distance throughout the cycle.
Interface practical limits
The sensing range reaches 3 mm to 90 mm with a maximum of 100 mm, using infrared LED emission along a radial optical axis. M18 x 1 thread mounting and a 60.6 mm housing length define the mechanical envelope. Operating temperature spans –25 °C to +70 °C and the UL file reference is NMFT2.E175606.
Highlights
- Photoelectric sensor with background blanking ignores distant objects
- PNP light/dark switching selectable via control cable
- IP67 enclosure rating withstands dust and water ingress
- 10 V DC to 30 V DC supply voltage suits industrial power
- 250 Hz switching frequency enables fast detection cycles
Specifications
| Brand | SICK |
|---|---|
| Model | SICK VTF18-4P1812 |
Questions about this item
How much current does the VTF18-4P1812 draw during continuous operation on a 10 V to 30 V DC supply?
The sensor consumes 30 mA from a 10 V to 30 V DC supply with ripple up to 10 %, so power draw stays low during all-day use.
What supply voltage and wiring must already be in place for the VTF18-4P1812 to work?
A 10 V to 30 V DC source and a 4-wire cable run are required; the sensor comes with a 2 m PVC cable (0.14 mm² conductors, Ø 5 mm) for direct connection.
Will the VTF18-4P1812 fit existing M18 mounting points and slower PLC inputs on older machines?
Yes, the M18 x 1 thread matches legacy mounts, and the 250 Hz switching frequency with 2 ms response time suits slower PLC scan cycles while the selectable light/dark switching adapts to existing logic.
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