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OPC (OLE for Process Control) is a communication standard based on OLE/DCOM technology. This technology is used by Microsoft® and others to exchange data between individual software application programs. The DCOM-standard permits cooperative processes between completely independently developed software programs and is independent of the program language. The DCOM standard can be seen as a software bus that allows a �Plug ’n Play� function between different software products.
OPC itself stands for the specification of a standard. This standard describes the objects and interfaces which any OPC-server must possess to support communication with any hardware and software. The S OPC Data Access Server is an OPC-server which allows any OPC-client to process the data from a VC-6000 Compact monitor instrument. For example you are in a position, with the finished solution of the module �Online process visualization� in the xms software, to visualize, via an OPC-server, measured data from SIMS on the screen of the xms program. |
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