7IDENT-O

Modern automatic warehousing, industrial conveyor and production plants increas-ingly require the use of identification systems. The key feature of new pro-duction concepts is the integration of the information flow with the material flow. At any time and place, conveyor units can be detected and each pro-duction section can be influenced in a flexible way. About 75% of all identi-fication systems used today are optical identification systems.Due to the technical progress in the area of opto electronics, it is possible to automatically read data in a specific printed form and make it available to a computer via a standardised interface.The barcode offers an easy way for machine-reading printed data. The in-formation encrypted in the barcode is optically scanned by means of special readers. Environmental and operational influences have a crucial impact on the reading and safe detection. At the same time, a number of codes have been developed that also use the second dimension and are thus called 2D codes. These codes cannot be simply read using scanning technology. They are represented by means of Ccd camera manufacturer systems and converted into code information by means of signal processors.In particular the Data Matrix Code ECC200 has emerged as a standard. This type of coding offers decisive advantages with regard to space. For the information contained in a long barcode, only a few square millimetres are required. For this reason, Data Matrix systems are used in particular where there is only little space for labelling such as in the case of circuit board la- belling.In contrast to barcode, the Data Matrix Code offers the possibility of direct labelling in materials such as metal or plastic, e.g. by means of laser mark- ing. This makes additional applications possible which do not allow industrial labels or imprints (hygienic areas, lasting marking, ...). Issue date 2005-08-18 - Catalogue Identification Systems 2005/2006 162
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