Glossary
Foreground suppression
Photoelectric proximity sensors with foreground suppression are able to detect objects at a defined sensing range.
All objects between the sensing range (set to the background) and the sensor are detected.
To ensure that these sensors function reliably, the background (for example, a conveyor belt) needs to be relatively light and should not vary in height. Photoelectric proximity sensors with foreground suppression are particularly well-suited for detecting dark and very shiny objects.
Related terms
- FGS
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