Confirming data accuracy in a distributed control system
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United States of America Patent
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Jun 2, 2020
Grant Date -
Mar 31, 2016
app pub date -
Sep 30, 2015
filing date -
Sep 30, 2014
priority date (Note) -
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Abstract
A control network communication arrangement includes a second protocol embedded into a first protocol in a way that modules supporting the second protocol may be aware of and utilize the first protocol whereas modules supporting only the first protocol may not be aware of the second protocol. Operation of modules using the second protocol does not disturb operation of the modules not configured to use or understand the second protocol. By one approach, unique additional information is embedded into an end of frame portion of a message to confirm that the portion is the end of frame portion. This acts as a quality check confirming proper synchronization and decoding of the signaling on the communication bus.
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