{{short description, Standard for data tables used in automated meter reading ANSI C12.19 is the American National Standard for Utility Industry End Device Data Tables This standard defines a table structure for utility application data to be passed between an end device and a computer. The "end device" is typically an electricity meter, and the "computer" is typically a hand-held device carried by a meter reader, or a meter communication module which is part of an Automatic Meter Reading system. C12.19 does not define end device design criteria nor specify the language or protocol used to transport that data. There are however related ANSI standards which do specify the transportation of these tables.

ANSI C12.18 A smart meter is an electronic device that records information such as consumption of electric energy, voltage levels, current, and power factor. Smart meters communicate the information to the consumer for greater clarity of consumption beha ...

describes the communication of C12.19 tables over an optical port.

ANSI C12.21 A smart meter is an electronic device that records information such as consumption of electric energy, voltage levels, current, and power factor. Smart meters communicate the information to the consumer for greater clarity of consumption beh ...

describes the communication of C12.19 tables over a modem. ANSI C12.22 describes the communication of C12.19 tables over a network. The purpose of the tables is to define structures for transporting data to and from end devices. A related standard,

IEC 61968 IEC 61968 is a series of standards under development that will define standards for information exchanges between electrical distribution systems. These standards are being developed by Working Group 14 of Technical Committee 57 of the IEC (IEC TC ...

defines a CIM information model for energy data.

History

The structures were originally known as the "Tucker Tables" (after Richard Tucker.) The tables were developed under the auspices of the American National Standards Institute, C12, SC17, WG2. The standard is sponsored by NEMA, and also published as MC12.19 and IEEE Std 1377. Popularity of the tables has grown over the years such that most electric meter vendors in North America now support and use the tables in their products. The committee (working group 2) is currently chaired by Avygdor Moise and released a revision 2 of the standard in 2008, revision 2.1 of the standard in 2012. Effective 2014, the object identifiers (device classes) and XML documents (TDLs/EDLs) of this standard are managed and registered by the Energy Communications Management eXchange (ECMX) under the supervision of the North American End Device Registration Authority (NAEDRA).

External links

The ANSI C12.19 standard at NEMA

* ttp://www.ecmx.org The ANSI C12.19/IEEE Std 1377 and ANSI C12.22/IEEE Std 1703 Registry at ECMX
The North American End Device Registration Authority at NAEDRA

RFC 6142 Framework for transporting ANSI C12.22, IEEE 1703, and MC12.22 Transport Over IP at IETF
Electrical standards Telecommunications standards ANSI C12 IEEE standards IEEE Std 1377, IEEE Std 1701, IEEE Std 1702, IEEE Std 1703, IEEE Std 1704 AMI, Smart Meter Electric power distribution