Control system, programmable logic controller, and information processing method

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United States of America Patent

PATENT NO 11733689
APP PUB NO 20220308574A1
SERIAL NO

17595793

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Abstract

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The PLC is provided that outputs assistance information for assisting elimination of a target abnormality by using abnormality history data having written thereto an abnormality log element containing type information, occurrence time, and elimination time of an abnormality and operation history data having written thereto an operation log element containing content information and execution time of an operation. The output unit extracts, from the abnormality history data, an abnormality log element containing the type information showing a type identical to a type of the target abnormality. The output unit extracts, from the operation history data, an operation log element containing the execution time falling within a period from the occurrence time to the elimination time contained in the abnormality log element thus extracted, and generates the assistance information based on the extracted operation log element.

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Patent Owner(s)

  • OMRON CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shigemori, Yutsuka Kusatsu, JP 12 31

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