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Xi Client Components

Product	Summary	Version Info
DANW-Xi	The DANW-Xi components extends the OPCDA.NET Client Component with an ExpressInterface (OPC Xi) wrapper. The application can access OPC DA and Xi servers through the same API.
PaXi	The PaXi component greatly simplifies the development of ExpressInterface (OPC Xi) client applications and ensures interoperability.

Xi Option for OPCDA.NET

OPCDA.NET based client applications can access Xi servers without having to be modified. The applications only need to be compiled with a reference to the OPCDA.NET component with the Xi option. Depending on the server name specified in connect, either the OPC DA DCOM server the Xi Web Service is accessed. For Xi server access DCOM is completely eliminated because the Xi handling is within the OPCDA.NET component. There is no external DCOM to Xi wrapper involved. Without additional application development effort the application can access DCOM OPC DA server and Xi web services. Xi is specified with a structure and functionality similar to OPC DA, making the DA/Xi wrapping fast and reliable.

PaXi Client Component

The Advosol PaXi client component greatly simplifies the development of native Xi client applications. There are classes with convenient methods for asynchronous and synchronous server access. Asynchronous access enhances the quality of user interface applications because the application doesn't become unresponsive in possibly slow access to an Internet based Xi server. PaXi offers Visual Studio toolbox components for basic server access handling. Instead of writing code the functionality can be selected in Visual Studio Designer editors.