Title:
PROCESS MONITORING/CONTROL SYSTEM
Document Type and Number:
Japanese Patent JP2016015065
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a process monitoring/control system for collecting data from OPC servers and performing monitoring and control of it, which has a redundant OPC client function for continuously collecting and storing data independently of a redundancy specification unique to a vendor on the OPC server side.SOLUTION: A process monitoring/control system includes: two process monitoring/control servers that collect process data from at least one or more subsystems by reading/writing of data; and two gateway devices that are interfaces for providing data from the subsystems to the process monitoring/control servers. The gateway devices include an OPC server function as a data interface of the process monitoring/control servers. The process monitoring/control servers include an OPC client function. The two gateway devices are respectively connected to the two process monitoring/control servers.
Inventors:
YUJI YOKO
Application Number:
JP2014137389A
Publication Date:
January 28, 2016
Filing Date:
July 03, 2014
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G05B23/02
Attorney, Agent or Firm:
Polaire Patent Business Corporation