The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 02, 2001
Filed:
Sep. 04, 1998
Kari Hartikainen, Espoo, FI;
Tuomo Honkanen, Helsinki, FI;
Metso Field Systems Oy, Helsinki, FI;
Abstract
The invention relates to a management of field devices in industrial process systems. A maintenance management system collects status and/or diagnostic data of field devices over a field communication interface in a manner specific for each type of field device. The system processes the collected data and provides condition or event data, e.g. alarms and fault and device condition data to external systems, such as the automation system of a plant, by an open communication method, which is independent of the type of field device and the field communication interface. Such open communication methods are for instance electronic mail, Internet, Intranet, DDE (Dynamic Data Exchange), short message. The data structure of the event data are preferably independent of the type of field device, i.e. it is identical for different types of field device. The invention enables a transmission of limited generic condition data, which is sufficient for the operator of the plant, to a control room and more accurate text-based condition data to the maintenance personnel.
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