Interconnected zones within a process control system
US7289994B2 · kind B2 · utility
69Cited by
13References
46Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2002 |
| Grant date | Oct 30, 2007 |
| Priority date | — |
| Expiry date | Dec 20, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P90/02
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A process control system includes multiple zones containing process control network communicatively interconnected to exchange information necessary to monitor the system and to perform process control. Each zone may include an inter-zone server that controls the exchange of information between the zones via communication links. In addition to controlling the routing of information between the zones, the inter-zone servers may perform additional processing on the information being exchanged, such as security monitoring, language translation and version control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.