SICK Retroreflective Photoelectric Sensor, Rectangular Sensor

SICK Series W9 Photoelectric Sensor, IP69K, Laser Light Source - WL9L-3P3432

This photoelectric sensor is a retro‑reflective laser unit designed for industrial detection of small objects within automation and control environments. Housed in robust plastic, it is intended for mounting by hole and connects via a 4‑pin Terminal to provide PNP switching output for integration with 30V DC systems. The device is suitable for operations where a Compact rectangular form and Rapid sensing are required.

Features and Benefits:

• 500 μs response time enables high‑speed detection
  Laser light source delivers precise small‑object sensing
  IP69K rating permits high‑pressure wash‑down environments
  PNP output simplifies interfacing with common control logic
  100 mA maximum current supports direct sensor loads

Applications

• Suitable for conveyor‑line small‑part presence checks
  Ideal for pick‑and‑place verification in assembly machines
  Used for proximity detection on robotic end‑effectors
  Can be used for inspection stations in food‑processing lines

What temperature range can it operate within reliably?

It functions between −10 °C and 50 °C, ensuring operation across typical plant ambient conditions.

Which approvals govern its laser safety classification?

It complies with IEC 60825‑1 and CDRH 21 CFR 1040.10 & 1040.11 for laser emission standards.

How does the electrical rating affect system design?

The sensor is rated to a maximum of 30V DC and 100 mA, so supply and input circuitry must accommodate these limits.

What environmental ingress protections are provided?

The unit meets IP66, IP67 and IP69K classifications, covering dust‑tight sealing Plus protection against powerful water jets and immersion.

Notes

Product details cover the whole product family. For details on the specifications for this individual product, please refer to the datasheet.