Patent · US Expired

Process device with supervisory overlayer

US8180466B2 · kind B2 · utility

11Cited by
37References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 21, 2003
Grant dateMay 15, 2012
Priority date
Expiry dateNov 21, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG05B2219/25428
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A process device is configured to meet a desired Safety Integrity Level (SIL). A device interface is configured to couple to the process device and provide an output related to operation of a component of the process device. A component monitor monitors operation of the component and identifies a safety event of the component. A safety response module responds to a safety event of the component in accordance with a safety response.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.