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What happens if a critical event is lost by the communication subsystem?

April 26, 2017communication critical event happens Lost subsystem

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What happens if a critical event is lost by the communication subsystem?

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This issue is common to all distributed control systems and its solutions are well known, e.g., via periodic communication, missing event detection and/or positive acknowledgment protocols. The IEC 61499 model provides for notification of abnormal operation via the IND-, CNF- and INITO- service primitives and STATUS output of service interface function blocks.