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eXtensible Markup Language (XML), a computer authoring language, is for publishing of documents through the Web onto the Internet and offers more flexibility and automation than possible with the use of Hypertext Markup Language (HTML) for posting to the Web. For the automation engineer, the control systems technician, and other readers of InTech, this means that XML is quickly dominating the world of data interchange. Software architect John Sever says XML's popularity is pushing automation system vendors to add XML as an optional format for control code import/export functionality. To leverage XML, an automation system has to be capable of basic control code import/export to an XML data structure. Not all systems fully support the functionality, but vendors continue to add XML support to their systems. Much support consists of an interface between the plant automation system and enterprise resource planning (ERP), MES, or other business systems. XML enables in a more effective way the interface of enterprise, business, automation, and control data, which is a key facet for acquisition of competitive edge.
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Information Sources, Inc.
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