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Abstract
A wide range of OPC servers are available for industrial
devices like PLC s, Smart Control-lers and Sensors.
Industrial Applications generally use an OPC server
to facilitate communi-cation with field devices or controllers.
Multiple vendors offer a range of OPC servers for a
particular device. These OPC Servers (for a given device)
may display identical features in their technical specifications;
but in practice they differ in actual performance with
respect to each other. It becomes very important to
select the right server based on the performance requirement
of user application. In principle, all the OPC servers
should exhibit consistent and reasonable behavior. In
reality, this may not be true and under certain scenarios
some OPC servers outweigh others because of different
software architectures. These software architectures
are not transparent to end user hence it is necessary
to evaluate server perfor-mance before deployment as
it may impact the overall system performance.
Author
Shailendra Jain
To know more about Wipro in industrial automation,
go to www.wipro.com/automation
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