Invention Grant
- Patent Title: Plant control system
- Patent Title (中): 工厂控制系统
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Application No.: US12085804Application Date: 2006-11-21
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Publication No.: US08280530B2Publication Date: 2012-10-02
- Inventor: Noriko Kase
- Applicant: Noriko Kase
- Applicant Address: JP Tokyo
- Assignee: Yokogawa Electric Corporation
- Current Assignee: Yokogawa Electric Corporation
- Current Assignee Address: JP Tokyo
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JPP.2005-343099 20051129
- International Application: PCT/JP2006/323243 WO 20061121
- International Announcement: WO2007/063749 WO 20070607
- Main IPC: G05B11/01
- IPC: G05B11/01 ; G05B9/02 ; G06F11/00

Abstract:
A plant control system includes: an engineering apparatus for defining change information so as to change definition information about the system; and a control apparatus for referring to the change information downloaded from the engineering apparatus to set an output value of a field device. The control apparatus includes a locking part for inhibiting setting of the output value of the field device.
Public/Granted literature
- US20100094436A1 Plant Control System Public/Granted day:2010-04-15
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