The OPC Exchange Server aggregates items from multiple OPC DA servers and exchanges data between these servers.

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OPC XML Webservices - XML DA Gateways - Exchange Server

Exchange Server

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Version Info

The OPC DA Exchange Server aggregates items from multiple OPC DA and/or OPC Xi servers into the Exchange Server and exchanges data between these servers.
The Exchange server can be accessed as an

OPC DA V2/V3 server
XML DA web service

and is OPC compliance tested for OPC-DA V2.05 and OPC-DA V3.0.XML-DA V1.0.1.

The Exchange Server is:

a data aggregator
a server-to-server data exchange handler
an OPC DA/ XML DA to OPC Xi gateway

The Exchange Server handles any number of OPC DA/Xi child servers and any number of items. Configured items are mirrored in the Exchange server and can be read and written by the clients connected to the Exchange server.

Any number of child server items can be linked to one or multiple items in other child servers. Item value changes are written to all linked items.

The Exchange Server can be accessed as an OPC DA or XML DA server.

The configuration application is easy to use and also handles testing and maintenance tasks.

Configuration
The Exchange Server configures itself at startup from an XML configuration file. This files can be created and modified with the supplied Configuration utility.

Configuration and Diagnostic Utility
The configuration utility creates and modifies the XML configuration files. The OPC DA servers to be handled by the Exchange Server can be browsed and items and branches can be dragged to the Exchange server item tree. Complex configurations can be created in minutes.

OPC DA Exchange Server Configuration utility

Exchange Server Features

Aggregating server accessible as OPC DA or XML DA server
OPC DA V2, V3 and XML DA compliance tested
Handles any number of OPC DA and/or OPC Xi servers
Can run as a Windows service
High performance data exchange between servers
Each item can be linked to multiple target servers
All data types including arrays are supported
Errors and information logged in the Windows Event Log
Test clients and simulation server provided

Comparison with similar Advosol Products

Advosol offers three different products with data aggregating and/or XML DA gateway features. The capabilities differ, allowing you to select the product best suited for you application needs.

Feature	Exchange Server	Xi Exchange Server	XML-DA server-side Gateway
Runs as OPC DA V2/V3 server	yes	no	no
Runs as XML DA ASP.NET web service	yes	no	yes
Runs as OPC Xi server	no	yes	no
Number of supported OPC DA child server	unlimited	unlimited	1
Number of supported OPC Xi child servers	0	unlimited	0
Simple Configuration and data transfer	yes	yes	yes
Data transfer in both directions	yes	yes	yes
Data transfer between child servers	yes	yes	no

Exchange Server System Requirements
	Windows7, Windows Vista, Windows XP, Windows 2000 or Windows 2003 Server
	.NET1.1, 2 or 3 for the OPC DA Exchange server .NET 3.5 with WCF for the Xi Exchange Server
	IIS Web Server for the XML DA Exchange server - ASP.NET1 - or ASP.NET2 - or .NET3 (WCF)

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OPCDA.NET is an OPC DA .NET wrapper and much more. It provides all the components and tools needed for highly productive development of OPC DA client .NET applications.
OPCDA.NET is widely used with many OPC servers and even works with servers that are not fully standard compliant.

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