Safety interlock device for a plant

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United States of America Patent

PATENT NO 9256223
APP PUB NO 20120323341A1
SERIAL NO

13582202

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Abstract

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A control device includes: an input portion for inputting a process signal transmitted from a plant; a numerical processing part for outputting a Boolean value evaluating normal/abnormal of the process signal by a numerical processing based on a program; and a logical processing part for a logical processing of the Boolean value based on a logic circuit and then outputting a control signal related a safety protection operation of the plant.

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Patent Owner(s)

  • KABUSHIKI KAISHA TOSHIBA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hayashi, Toshifumi Yokohama, JP 10 36
Kojima, Atsushi Nishitokyo, JP 63 658
Sakai, Hirotaka Machida, JP 30 331

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