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Embedded control technology for a distributed control systems.
Embedded control technology for a distributed control systems.
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机译:嵌入式控制技术用于分布式控制系统。
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摘要
A control method and apparatus for an electronic system having a plurality of functional elements (12, 13, 14; 24, 34), both intelligent and non-intelligent, interconnected by a plurality of time-division multiplexed serial data links (16, 18, 20, 22), wherein information is normally conveyed in time slots or data links. Control information si exchanged between the elements by using one or more of said time slots as control channels for all control information. The format of the control information is compatible with both the intelligent elements and non-intelligent elements. The control information format includes a plurality of bits (D0 - D7) for providing command data, a plurality of address bits (A0 - A4), a valid bit (V) to indicate that the information being transmitted is a valid message, an interrupt bit (I) to signal a microprocessor (12, 32) in an intelligent device to interrupt and service the message, an a parity bit for error checking. IMAGE
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