The National Electrical Manufacturers Association (NEMA) has published two new standards. ANSI C137.5 American National Standard for Lighting Systems—Energy Reporting Requirements for Lighting Devices specifies the minimum performance requirements for lighting devices reporting energy data. The ANSI C137.6 American National Standard for Lighting Systems—Data Tagging Vocabulary (Semantic Model Elements) for Interoperability contains a controlled vocabulary of terms for lighting systems.
ANSI C137.5 standard includes the specific energy data types that need to be reported the nominal and statistical accuracy performance for all reported data types. It also has references to other standards that define the information model for all data types.
ANSI C137.6 contains a controlled vocabulary of terms that enable the development of semantic model elements, like tags and metadata. The terms in this standard are for use by semantic models such as the future ASHRAE 223P standard, Project Haystack, and Brick.
These two new standards are expected to benefit lighting controls manufacturers, utility companies, and municipalities because they formalize a common approach to aspects of lighting systems that are growing in demand.
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