GLD3 photoelectric slot sensors from Pepperl+Fuchs Inc., Twinsburg, OH, are designed to detect paper, foil, and many types of translucent adhesive labels on a roll. The throughbeam devices feature a robust 1-piece IP66-rated housing, NPN or PNP outputs, 3 mm sensing range, 100 µs response time, and a choice of cabled or connector options. A remote teach option is also available. Applications include web break detection, double sheet detection, splice detection, edge guiding, and end-of-roll detection.
Label Detection Sensors from Pepperl+Fuchs