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High Availability Industrial Automation System Having Primary and Secondary Industrial Automation Controllers and Method of Communicating Information Over the Same
High Availability Industrial Automation System Having Primary and Secondary Industrial Automation Controllers and Method of Communicating Information Over the Same
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机译:具有主要和辅助工业自动化控制器的高可用性工业自动化系统及其上的信息通信方法
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摘要
A high availability industrial automation system in disclosed. The system has a primary industrial automation controller, a secondary industrial automation controller, and a communication network connected to the primary industrial automation controller and the secondary industrial automation controller. The primary industrial automation controller includes a processor and a memory configured to store a plurality of instructions, a plurality of automation tasks, input/output (I/O) data, and internal storage data. The processor is operative to execute the plurality of instructions to cross load information from the primary industrial automation controller to the secondary industrial automation controller. The cross loading of information can be less than the maximum amount of communicable information capable of being cross loaded. Also disclosed are methods of communicating over the high availability industrial automation system.
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