An Approach for ISA-95 Application to Industrial Systems
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During last years software starts to play a significant role in the development of industrial automation systems such as automated production systems. The growth of computational resources of industrial controllers and computers, the communication and information processing capabilities increase. As one of the benefits of this increase of capabilities, it allows the implementation of functionally-rich protocols originally developed by the IT world on the industrial devices and their supportive computer systems. The simplification of network reconfiguration often relies on the ability to dynamically plug or un-plug network nodes during the operation of the networked system. Similar capability is desired in industrial automation, which extends it to a new level – the ability to handle information not only on changing equipment and its state, but on changing orders to be able to react to potentially new orders introduced to the automated production system at run time. A set of standards were proposed by the industrial and the research communities to represent information on industrial automation systems. Among those, ISA-95-the No.95 standard for the Instrumentation, Systems, and Automation Society-addresses many aspects of the automation systems from manufacturing operations management point of view. The standard includes models for equipment, material, personnel, process segment, and others. Thus, to allow reconfigurability of industrial automation systems the ISA-95 has been selected for the implementation of information models. This thesis work provides a solution for the industrial application of ISA-95. The thesis also defines an approach for the application of ISA-95 to industrial system, as there is a lack of a generalized approach and supportive applications for the standard implementation in industrial systems. A software tool (ISA-95 Tool) is implemented to facilitate the application of the standard. The Industrial System Development Life Cycle is revised to show the applicability of the standard for modelling industrial enterprise entities. B2MML is used as XML-based format representation for ISA-95. The developments are illustrated using two automated production lines.