Invention Grant
- Patent Title: Safety interlock device for a plant
- Patent Title (中): 工厂安全联锁装置
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Application No.: US13582202Application Date: 2011-03-04
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Publication No.: US09256223B2Publication Date: 2016-02-09
- Inventor: Toshifumi Hayashi , Atsushi Kojima , Hirotaka Sakai
- Applicant: Toshifumi Hayashi , Atsushi Kojima , Hirotaka Sakai
- Applicant Address: JP Tokyo
- Assignee: KABUSHIKI KAISHA TOSHIBA
- Current Assignee: KABUSHIKI KAISHA TOSHIBA
- Current Assignee Address: JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2010-053742 20100310
- International Application: PCT/JP2011/055052 WO 20110304
- International Announcement: WO2011/111620 WO 20110915
- Main IPC: G05B19/18
- IPC: G05B19/18 ; G05B23/02 ; G21D3/00
Abstract:
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.
Public/Granted literature
- US20120323341A1 CONTROL DEVICE Public/Granted day:2012-12-20
Information query
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