Object information is stored as a barcode or a two-dimensional Data Matrix code and is read via laser or digital imaging technology. Barcode and Data Matrix systems are a cost-effective alternative to RFID technology. Pepperl+Fuchs offers a wide range of 1-D and 2-D code readers. The OIT high-temperature IDENT system from Pepperl+Fuchs is a unique product: This system is designed for applications such as drying systems and painting lines. The OIT high-temperature IDENT system uses metal code plates with a hole pattern that are evaluated using industrial imaging technology.