07289994 is referenced by 27 patents and cites 16 patents.

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.

Title
Interconnected zones within a process control system
Application Number
10/119269
Publication Number
7289994 (B2)
Application Date
April 9, 2002
Publication Date
October 30, 2007
Inventor
Ken Beoughter
Round Rock
TX, US
Robert Havekost
Austin
TX, US
Mark J Nixon
Round Rock
TX, US
Agent
Marshall Gerstein & Borun
Assignee
Fisher Rosemount Systems
TX, US
IPC
G05B 15/00
G06F 17/30
G06F 7/00
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