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OPC XML Webservices - XML DA Gateways Login  

XML DA Gateways



Product Summary Version Info
XML-DA Server Side Gateway

The XML-DA Server Side Gateway enables XML-DA clients to access OPC DA V2 servers. Through the gateway OPC DA servers can be accessed from remote clients, either XML-DA clients or from OPC DA clients trough a client side gateway.

 
XML-DA Client Side Gateway

The XML-DA Client Side Gateway enables OPC DA client applicatons to access XML-DA servers. The XML-DA servers may be remote and maybe gateways to OPC DA servers.

 
OPC DA Bridge The OPC DA Bridge is a combination of an XDAGW-CS client side gateway and an XDAGW-SS server side gateway or an OXS OPC Exchange Server.

 


Category Description

OPC XML-DA Gateways

Web service application will have to interact with the thousands of installed OPC DA servers and clients. This requires flexible gateways. Advosol offers gateways that differ in functionality and in their configuration:

XML-DA Gateways The XML-DA Gateways have a static configuration, defined in a configuration file. It is possible to restrict the access to the underlying server to a subset of the items and the access to read-only.
Exchange Server The OPC DA Exchange Server aggregates items from multiple OPC DA servers into the Exchange Server and exchanges data between these servers.
XiToXML The XiToXML Converter is an OPC Xi server that makes one XML DA server accessible from OPC Xi clients.

Available XML-DA Gateways

The XDAGW-SS Server-side Gateway enables XML-DA clients to access OPC-DA servers. The gateway is installed at the location of the OPC-DA servers and can be accessed from remote XML-DA web service client applications.The device with the OPC server does not need to be upgraded.

OPC XML server-side Gateway
The XDAGW-CS Client-side Gateway enables OPC-DA clients to access remote XML-DA servers.The gateway is installed at the location of the OPC-DA client.
Applications with a built-in OPC-DA client need not be upgraded in order to be able to access XML-DA servers.
OPC XML client-side gateway

 

The XML DA Converter Xi Server makes XML DA servers accessible from Xi clients.
Existing XML DA servers can be integrated into an Xi configuration and take advantage of the communication options supported by Xi.



 

XiToXML Converter

 

The Exchange Server aggregates items from multiple OPC DA and OPC Xi servers into the Exchange Server and exchanges data between these servers. The Exchange Server is accessible as an OPC DA V2/V3 server of an XML DA web service.

The Xi Exchange Server (XiOXS) is an OPC Xi server with the same functionality.



 

OPC Exchange server

 

Product Comparison

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
Runs as OPC DA V2/V3 server
yes
no
yes
no
Runs as XML DA ASP.NET2 web service
yes
yes
no
no
Runs as XML DA .NET3 (WCF) service
yes
yes
no
no
Runs as OPC Xi server
XiOXS
no
no
yes
Number of supported OPC DA child server
unlimited
1
0
0
Number of supported XML DA child servers
0
0
1
1
Item Level Configuration
yes
no
no
yes
Data transfer in both directions
yes
yes
yes
yes
Data transfer between child servers
yes
no
no
no

 

 

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