1. Outline of OPC Server
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1. Outline of OPC Server
TC-net OPC Server is the local / remote server for OPC Data Access 2.05a /3.0 on Windows system.
It provides the environments in order to access scan memories of TC-net from OPC clients.
This chapter describes the outline, the movement environment and the construction of OPC Server.
1.1. Outline of OPC Server
OPC is open connectivity in industrial automation and the enterprise systems that support industry.
By using OPC, the application can access it without being conscious of the style of process data.
In addition, OPC succeeds to the client / server model based on OLE/COM technology of Microsoft.
It is not necessary for the OPC client to understand the access methods about the physics device by this.
A client can have access to an OPC server of the different vender by means same by using standardized
specifications (interface).
This OPC Server supports the following OPC interfaces.
◆ DA2.05a (Data Access 2.05a)
◆ DA3.0 (Data Access 3.0)
About details of OPC, refer to the following Web site.
Table 1.1 OPC URL
http://www.opcfoundation.org/
OPC Japan
http://www.opcjapan.org/
http://www.opceurope.org/
*)Above URL is as of March 2011.