Redundantly configured automation system and method using three subsystems
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United States of America Patent
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Jun 27, 2023
Grant Date -
Aug 26, 2021
app pub date -
Feb 25, 2021
filing date -
Feb 26, 2020
priority date (Note) -
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Abstract
Method for operating a redundantly configured automation system which includes has a first subsystem, a second subsystem and a third subsystem, wherein a sequence program is implemented in each of the subsystems of the automation system and is executable in a runtime environment to fulfill automation tasks, and wherein a data memory is implemented in the subsystems in each of the automation systems, where the sequence program includes at least a first subprogram and a second subprogram, the data memory in each of the subsystems includes at least a first submemory and a second submemory, the first subprogram and the first submemory are synchronized with a first synchronization clock between the first and second subsystems, and the second subprogram and the second submemory are synchronized with a second synchronization clock between the first and third subsystems, and where the first and synchronization clocks differ from one another.
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