They offer a non-contact method of detection, which can be advantageous in environments where physical sensors might be damaged or where hygiene is a concern. http://www.pilz.com Many light barriers have built-in indicators that show whether the beam is intact or interrupted, helping with quick diagnostics and maintenance.
In case of faults, such as misalignment or obstructions, the light barriers often provide error signals or alarms to alert operators. PMDsigma light barriers are designed to comply with relevant safety standards and regulations, ensuring they meet the necessary safety and performance criteria. Safety solutions providr since 2011, We offer Pilz