FACILITY CONTROLLING SYSTEM, CONTROLLER, DOWNLOADING METHOD, AND SOFTWARE CHANGING METHOD
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United States of America Patent
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Issued Date -
Jul 2, 2015
app pub date -
Dec 17, 2014
filing date -
Dec 27, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A controller includes: a controlling portion that monitors or controls a field instrument; a download buffer memory that saves settings data or software that has been downloaded; a program working memory that stores settings data or software that control the operation of the controlling portion; a deployment executing portion that deploys, into the program working memory, settings data or software that has been stored in the download buffer memory, when a designated scheduled time for deployment has arrived or when a deployment command message has been received; and an operating mode changing portion that switches to an offline mode when the scheduled time for deployment has arrived or when a deployment command message is received, and returns to the online mode after the deployment of the settings data or software to the program working memory has been completed.
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