Sick - VL180-P460

Sick - VL180-P460

Photoelectric Retroreflector Sensor

A photoelectric retroreflector sensor is a device that uses the principle of reflection to detect objects or changes in light intensity.

These sensors typically consist of an LED (light-emitting diode) and a photodiode. The LED emits a beam of light, which is then reflected back by the object being detected. The reflected light is captured by the photodiode, which converts it into an electrical signal.

  • The intensity of the electrical signal is proportional to the amount of light reflected back.
  • This allows the sensor to determine the distance to the object and its reflectivity.

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