CONTROL SYSTEM AND CPU UNIT

In the disclosed control system, loops of 1st path and 2nd path are formed connecting an active CPU unit and each of RIO units, the direction of data frame transfer through the loop of 1st path being opposite to that of the data frame transfer through the loop 2nd path. Reflective electro-optical tr...

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Bibliographic Details
Main Authors ISHIKAWA, MASAKAZU, SEKI, YUUSUKE, OTSUKA, YUSAKU, NAKANO, AKIHIRO, ONOZUKA, AKIHIRO, TAHARA, YUKIKO, KOBAYASHI, EIJI, SASAKI, WATARU, SHIMIZU, KATSUHITO
Format Patent
LanguageEnglish
French
Published 27.05.2011
Subjects
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
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Summary:In the disclosed control system, loops of 1st path and 2nd path are formed connecting an active CPU unit and each of RIO units, the direction of data frame transfer through the loop of 1st path being opposite to that of the data frame transfer through the loop 2nd path. Reflective electro-optical transducer modules are used in the RIO units which are connected with the active CPU unit so that a standby CPU unit can also be connected. Further, the loop of 1st path and the loop of 2nd path are formed connecting the standby CPU module and each of the RIO modules. The data frame transfer directions through the loops connecting the active CPU unit and each of the RIO units are opposite to the data frame transfer directions through the corresponding loops connecting the standby CPU unit and each of the RIO units.
Bibliography:Application Number: CA20102722478