Method to increase the safety integrity level of a control system
US7813820B2 · kind B2 · utility
22Cited by
7References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2003 |
| Grant date | Oct 12, 2010 |
| Priority date | — |
| Expiry date | Jul 2, 2024 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/25323
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Controller capable of executing non-safety-related control logic. A safety module is added to the controller in order to increase the safety-integrity level of a control system. The controller is able to execute safety-related control of real-world objects. Such a control system may exist at an offshore production platform or in a hazardous area of a chemical plant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.