Control system and control method
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United States of America Patent
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Aug 2, 2022
Grant Date -
Jun 11, 2020
app pub date -
Jul 3, 2018
filing date -
Jul 7, 2017
priority date (Note) -
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Abstract
This control system comprises controllers and slave devices. A control network is formed by connecting the slave devices between the controllers over communication cables. The controller generates and manages control frames for communication through the control network. The controller receives and copies the control frames, and perform loopback communication of the control frames to the controller of the control network. The controller stores the copied the control frames, or transmits the copied control frames to a database device connected by an information communication network.
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