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US 2006/0224802 A1Published application
Control system
AssigneeYokogawa Electric Corporation
InventorYoshihiro Ida
Life of this patent
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Abstract
A control system an upper apparatus connected to a control bys, an OPC server connected to a communication bus, an OPC communication station connected to the control bus and the communication bus, and an engineering station connected to the control bus and the communication bus. The upper apparatus accesses the OPC server manages via the OPC communication station. The engineering station acquires data from the OPC server, and generates engineering data accessible by the upper apparatus and the OPC communication station based on the acquired data.
Claims11
A control system, comprising:
- an upper apparatus connected to a control bys;
- an OPC server connected to a communication bus;
- an OPC communication station connected to the control bus and the communication bus;
- and
- an engineering station connected to the control bus and the communication bus,
- wherein the upper apparatus accesses the OPC server manages via the OPC communication station, and
- the engineering station acquires data from the OPC server, and generates engineering data accessible by the upper apparatus and the OPC communication station based on the acquired data.
4 more elements
Dependencies are inferred from the claim text.