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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Diagnostics in a process control system

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G06F-011/00   
미국특허분류(USC) 714/037 ; 714/046
출원번호 US-0256585 (1999-02-22)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Marshall, O'Toole, Gerstein, Murray & Borun
인용정보 피인용 횟수 : 226  인용 특허 : 105
초록
▼

A diagnostic tool automatically collects and stores data indicative of a variability parameter, a mode parameter, a status parameter and a limit parameter associated with each of the different devices, loops or function blocks within a process control system, processes the collected data to determine which devices, loops or function blocks have problems that result in reduced performance of the process control system, displays a list of detected problems to an operator and then suggests the use of other, more specific diagnostic tools to further pinpoint...

대표
청구항
▼

[ What is claimed is:] [1.]1. A diagnostic tool for use in a process control system having a multiplicity of function blocks adapted to control a process device during operation of a process, the diagnostic tool comprising:a data collection unit configured to communicate with each of the multiplicity of function blocks to receive, on a regular basis during operation of the process control system, data pertaining to a function block operating parameter for each of the multiplicity of function blocks;a data analyzer that determines a value for the function...

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