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Method of providing data access in an industrial automation system, computer program product and industrial automation system
Method of providing data access in an industrial automation system, computer program product and industrial automation system
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机译:在工业自动化系统中提供数据访问的方法,计算机程序产品和工业自动化系统
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摘要
In an industrial automation system comprising a plurality of industrial control devices connected to an industrial communication network, control and/or supervision functions of the industrial automation system are provided by means of services implemented by computer-based objects in industrial control devices. A computer-based object is assigned a first qualifier enabling the computer-based object to be accessed and/or modified during configuration of the respective service and/or a second qualifier enabling the computer-based object to be accessed and/or modified during runtime of the respective service. Upon a request for access on a computer-based object by a service consumer, the service consumer's operational state is determined. Depending on a set first and/or second qualifier of a computer-based object and depending on a determined operational state of a service consumer, access on the computer-based object is granted to the service consumer.
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