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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.
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| The Exchange Server is: |
- an OPC DA data aggregator
- a server-to-server data exchange handler
- an OPC DA to OPC Xi gateway
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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 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.
Exchange Server Features
- Aggregating server accessible as OPC DA or XML DA server
- OPC DA V2, V3 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 |
|
| Runs as OPC DA V2/V3 server |
yes |
no |
no |
| Runs as XML DA ASP.NET web service |
no |
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 |
unlimited |
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 |
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Windows7, Windows Vista, Windows XP, Windows 2000 or Windows 2003 Server |
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.NET1.1, 2 or 3 for the OPC DA Exchange server
.NET 3.5 with WCF for the Xi Exchange Server |
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IIS Web Server for the XML DA Exchange server
- ASP.NET1
- or ASP.NET2
- or .NET3 (WCF) | |
