The OPC Foundation has released OPC XML Data Access (XML DA) specification. This is part of a move towards platform-independent interoperability and generic support for Internet-based W..
The OPC Foundation has released OPC XML Data Access
(XML DA) specification. This is part of a move towards
platform-independent interoperability and generic support for
Internet-based Web services.
The new specification is claimed to "break the
Internet barrier" by enabling OPC data and OPC information to
be transferred to and from any OPC-enabled device. A
"wrapper" is being provided as an easy migration path for the
estimated 3,000 OPC DA products in use today.
The specification enables vendors to add OPC support
to any device on the factory floor that is capable of
supporting a Web service. This facilitates the OPC data
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