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If we then Foxboro's I / ASeries as a milestone in the third generation of DCS systems, then more than a few of the latest DCS can be classified as the fourth generation. The fourth generation of DCS is the most important symbol of two "I" at the beginning of the word: Information (information) and Integration (integration).
Most of the conventional DCS DCS functions provided in the past, SCADA (Supervisory Control and Data Acquisition) capabilities, as well as MES (Manufacturing Execution System) for most of the functionality. With the different ERP, MES brings together the workshop for the management and optimization, under orders to finished goods from production activities related to the whole process of hardware or software component, which controls the manu
Technical characteristics of the fourth generation of DCS
Fourth-generation DCS architecture consists of four structures: Field Instruments Layer, control layer devices unit, factory (shop) layer and enterprise management. In addition to the main provider of general DCS vendors outside the three-tier corporate management functions, and the corporate management through the provision of an open database interface to connect third-party management software platform (ERP [link widoczny dla zalogowanych], CRM, SCM, etc.). So, today the main provider of DCS plant (plant) level of all the control and management functions, and integration of enterprise-wide information management.

Information reflected in the DCS system is not a control-based control system, but a fully integrated information management platform. DCS provides to the device from the scene, from equipment to the workshop, from workshop to factory, from factory to the whole enterprise group information channels. This information is fully reflected comprehensive, accurate, real-time and systematic.
industrial enterprises [link widoczny dla zalogowanych], the application of benefits the most direct and obvious system should be industrial control systems, in particular, DCS (Distributed Control System). Although a number of years ago, some people will be determined DCS FCS ( Fieldbus Control system) was replaced, but until today, DCS still has considerable vitality.

ARC Advisory Body published in 2003 the world's DCS Market. The report predicted that DCS market in the world from 2002 to 2007 will remain 2.5% increase, from 9.1 billion in 2003 to grow to 103 million. DCS reason why the pace of development is not high, mainly because the United States and other developed countries, caused by slower economic growth. DCS recent years China's growth rate should be 10%. Today's DCS DCS compared with a decade ago, has undergone a fundamental change.

DCS has entered the fourth generation
By information technology (network communication technology, computer hardware technology, embedded systems technology, field bus technology, a variety of configuration software, database technology, etc.) the impact of the development, as well as users of advanced control and management of functional requirements increases, the DCS vendors (to Honeywell, Emerson, Foxboro, Yokogawa, ABB as the representative) have the technology to enhance the level of DCS systems [link widoczny dla zalogowanych] and continuously enrich the contents. It can be said to Honeywell's latest ExperionPKS (Process Knowledge System), Emerson's PlantWeb (EmersonProcessManagement), Foxboro's A2, Yokogawa Corporation of R3 (PRM-plant resource management system) and the ABB system to mark the company's IndustrialIT The new generation of DCS has been formed.
DCS fully reflect the information and integrated
Information and integration of the basic description of the current DCS system is undergoing changes. Users can already collect the information on the factory floor and process data, but large amounts of data the user wants them to reflect the appropriate manner, and to help decision-making process, allowing users to understand his way, be really convenient to place the data needed.