SICK Retroreflective Photoelectric Sensor, Barrel Sensor, 50 mm → 3.7 m, PNP, IP67

SICK V18 Series Photoelectric Sensor, IP67, 2ms Response Time - VL18-4P3640

This photoelectric sensor detects objects using a reflected light beam and is intended for industrial automation and control tasks. It is housed in a cylindrical plastic enclosure designed for rugged installation where sealed operation and simple threaded mounting are required. The device employs an LED light source and interfaces via a 4‑pin M12 connector for straightforward wiring in control systems.

Features & Benefits

• IP67 rating provides protected operation in harsh environments
  PNP output enables direct connection to common PLC inputs
  2 MS response time supports high‑speed detection tasks
  30V maximum DC rating suits standard industrial control voltages
  Works between −25°C and 70°C for wide temperature ranges
  Threaded mount facilitates secure and repeatable installation

**Applications**

• Suitable for conveyor object presence detection in packaging lines
  Ideal for part counting in assembly and manufacturing systems
  Used for obstacle detection in automated guided vehicles
  Can be used for position sensing on pick‑and‑place equipment
  Used with control panels requiring compact, sealed sensors

What connector type is used for signal and power wiring?

The unit uses a 4‑pin M12 Terminal for both electrical supply and output connection.

Which housing materials contribute to its environmental resistance?

The enclosure is MADE from polybutylene terephthalate and polycarbonate plastics that offer mechanical durability and chemical resistance.

How does the light source influence maintenance requirements?

The LED emitter provides long‑life illumination, reducing the need for frequent replacement compared with incandescent sources.

Is the sensor certified to multiple regional standards?

It is approved to relevant EU and UK conformity marks and meets additional international standards including ACMA and China RoHS.