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dsmithni edited this page Aug 20, 2014
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Control applications frequently need to provide a mechanism for passing single point data between code modules. In many cases, this need is met by a library like the CVT. However, it is sometimes helpful to have a data access mechanism like the CVT while maintaining the performance, traceability, and access restrictions which come from keeping things on the wire. This tag bus library attempts to fill this need, and as such it is most easily thought of as "CVT-on-the-wire".
Like the CVT, the library is composed of a few separate pieces, the Data Table, Data Dictionary, and the Tag Descriptor.
In 1.0.0.39, the concept of a Tag Collection was added.