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We’re talking about XML schemas, not a scheme
May 31, 2008

While a “scheme” sounds a little shifty as if someone might be up to no good, an XML (eXtensible markup language) schema might do a lot of good in providing a physical translation among the ISA88 Part 5 models under discussion.

If we provide a standard way to expose data and metadata (information about how data is organized) associated with software objects (or function blocks), then they can be interacted with, even when what’s inside is property and secure. 

A schema is a standard translation table (metadata) so that software objects are constructed in similar enough ways as to be available in a library with common functions having a similar look and feel providing the opportunity to save a lot of system integration and development time, effort, and money. A number of other standards and other industries have done similar things, with great success. 

And that’s why we work to establish standards in the first place. Thoughts? Comments? Use the tools below. Or contact me, Dave Chappell, directly.

Also see more on this topic:
OPC Unified Architecture
Interoperability: OPC for embedded applications

Posted by David Chappell on May 31, 2008 | Comments (0)



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