Control system and control method therefor
Number of patents in Portfolio can not be more than 2000
United States of America
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Nov 26, 2024
Grant Date -
Apr 21, 2022
app pub date -
Oct 15, 2021
filing date -
Oct 15, 2021
priority date (Note) -
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Abstract
A control system in which a plurality of controllers and a redundant controller are connected to a common network, the plurality of controllers are divided into a highly available controller and other normal controllers, the redundant controller obtains context data of the highly available controller to hold the context data in a memory, holds programs of the plurality of controllers in a non-volatile memory, and holds the program of the highly available controller in the memory, and an arithmetic unit substitutes processing of the highly available controller by using the context data and the program of the highly available controller held in advance in the memory when a failure occurs in the highly available controller.
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