Electricity metering (a.c.) - Tariff and load control - Part 11: Particular requirements for electronic ripple control receivers

IEC corrigendum

Wechselstrom-Elektrizitätszähler - Tarif- und Laststeuerung - Teil 11: Besondere Anforderungen an elektronische Rundsteuerempfänger

Équipement de comptage de l'électricité (c.a.) - Tarification et contrôle de charge - Partie 11 : prescriptions particulières pour récepteurs électroniques de télécommande centralisée

Merjenje električne energije (a.c./izmenični tok) - Krmiljenje tarif in bremen - 11. del: Posebne zahteve za elektronske tonsko frekvenčne omrežne sprejemnike - Dopolnilo A1 - Popravek AC

General Information

Status: Published
Publication Date: 26-Apr-2018

ICS: 91.140.50 - Electricity supply systems

Technical Committee: CLC/TC 13 - Equipment for electrical energy measurement and load control
Drafting Committee: CLC/TC 13 - Equipment for electrical energy measurement and load control

Current Stage: 6060 - Document made available - Publishing
Start Date: 27-Apr-2018
Completion Date: 27-Apr-2018

Directive: 2014/30/EU - Directive 2014/30/EU of the European Parliament and of the Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to electromagnetic compatibility (recast)

Mandate: M/441 - Standardisation mandate to CEN, CENELEC and ETSI in the field of measuring instruments for the development of an open architecture for utility meters involving communication protocols enabling interoperability

Ref Project: SIST EN 62054-11:2005/A1:2017/AC:2018 - Electricity metering (a.c.) - Tariff and load control - Part 11: Particular requirements for electronic ripple control receivers

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Corrects: EN 62054-11:2004/A1:2017 - Electricity metering (a.c.) - Tariff and load control - Part 11: Particular requirements for electronic ripple control receivers
Effective Date: 03-Apr-2018

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EN 62054-11:2005/A1:2017/AC:2018 - Page 1 preview

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Corrigendum

EN 62054-11:2005/A1:2017/AC:2018

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Frequently Asked Questions

What is EN 62054-11:2004/A1:2017/AC:2018-04?

EN 62054-11:2004/A1:2017/AC:2018-04 is a corrigendum published by CLC. Its full title is "Electricity metering (a.c.) - Tariff and load control - Part 11: Particular requirements for electronic ripple control receivers". This standard covers: IEC corrigendum

What is the scope of EN 62054-11:2004/A1:2017/AC:2018-04?

IEC corrigendum

What ICS categories does EN 62054-11:2004/A1:2017/AC:2018-04 belong to?

EN 62054-11:2004/A1:2017/AC:2018-04 is classified under the following ICS (International Classification for Standards) categories: 91.140.50 - Electricity supply systems. The ICS classification helps identify the subject area and facilitates finding related standards.

What standards are related to EN 62054-11:2004/A1:2017/AC:2018-04?

EN 62054-11:2004/A1:2017/AC:2018-04 has the following relationships with other standards: It is inter standard links to EN 62054-11:2004/A1:2017. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

Is EN 62054-11:2004/A1:2017/AC:2018-04 a harmonized European standard?

EN 62054-11:2004/A1:2017/AC:2018-04 is associated with the following European legislation: EU Directives/Regulations: 2014/30/EU; Standardization Mandates: M/441. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.

How can I access EN 62054-11:2004/A1:2017/AC:2018-04?

EN 62054-11:2004/A1:2017/AC:2018-04 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)

EN 62054-11:2005/A1:2017/AC:20...

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Wechselstrom-Elektrizitätszähler - Tarif- und Laststeuerung - Teil 11: Besondere Anforderungen an elektronische RundsteuerempfängerÉquipement de comptage de l'électricité (c.a.) - Tarification et contrôle de charge - Partie 11 : prescriptions particulières pour récepteurs électroniques de télécommande centraliséeElectricity metering (a.c.) - Tariff and load control - Part 11: Particular requirements for electronic ripple control receivers91.140.50Sistemi za oskrbo z elektrikoElectricity supply systems17.220.20Measurement of electrical and magnetic quantitiesICS:Ta slovenski standard je istoveten z:EN 62054-11:2004/A1:2017/AC:2018-04SIST EN 62054-11:2005/A1:2017/AC:2018en,fr01-junij-2018SIST EN 62054-11:2005/A1:2017/AC:2018SLOVENSKI
STANDARD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM EN 62054-11:2004/A1:2017/AC:2018-04
April 2018
ICS 91.140.50 English Version
Electricity metering (a.c.) - Tariff and load control - Part 11: Particular requirements for electronic ripple control receivers (IEC 62054-11:2004/A1:2016/COR1:2018)
Équipement de comptage de l'électricité (c.a.) - Tarification et contrôle de charge - Partie 11 : prescriptions particulières pour récepteurs électroniques de télécommande centralisée(IEC 62054-11:2004/A1:2016/COR1:2018)
Wechselstrom-Elektrizitätszähler - Tarif- und Laststeuerung - Teil 11: Besondere Anforderungen an elektronische Rundsteuerempfänger (IEC 62054-11:2004/A1:2016/COR1:2018) This corrigendum becomes effective on 27 April 2018 for incorporation in the English language version of the EN. European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique Europäisches Komitee für Elektrotechnische Normung CEN-CENELEC Management Centre: Rue de la Science 23,
B-1040 Brussels © 2018 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 62054-11:2004/A1:2017/AC:2018-04 ESIST EN 62054-11:2005/A1:2017/AC:2018

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EN IEC 62052-31:2024(Main)

Electricity metering equipment - General requirements, tests and test conditions - Part 31: Product safety requirements and tests

SIST EN IEC 62052-31:2025

IEC 62052-31:2024 specifies general safety requirements and associated tests, with their appropriate conditions for type testing of directly connected, transformer-operated or transducer-operated AC and DC electricity meters and load control equipment. This document applies to electricity metering equipment designed to: • measure and control electrical energy on electrical networks (mains) with voltage up to 1 000 V AC, or 1 500 V DC; • have all functional elements, including add-on communication modules, enclosed in, or forming a single meter case with exception of indicating displays; • operate with integrated displays (electromechanical or static meters); • operate with detached indicating displays, or without an indicating display (static meters only); • wall-mounted or to be installed in specified matching sockets or racks; • optionally, provide additional functions other than those for measurement of electrical energy. This document also applies to transducer-operated meters or meters designed for operation with Low Power Instrument Transformers (LPIT) or sensors (as defined in the IEC 61869 series). When equipment in scope of this document is designed to be installed in a specified matching socket, then the requirements apply to, and the tests are performed on, equipment installed in its specified matching socket. However, requirements for sockets and inserting / removing the meters from the socket are outside the scope of this document. This document is also applicable to auxiliary input and output circuits, operation indicators, and test outputs of equipment for electrical energy measurement. Equipment used in conjunction with equipment for electrical energy measurement and control may need to comply with additional safety requirements. See also Clause 13. This document does not apply to: • meters rated to operate with voltage exceeding 1 000 V AC, or 1 500 V DC; • metering systems comprising multiple devices physically remote from one another; • portable meters; • meters used in rolling stock, vehicles, ships and airplanes; • laboratory and mobile meter test equipment; • reference standard meters; • conventional or low power instrument transformers; • equipment with solid-state or other non-electromechanical supply and load control switches. The safety requirements of this document are based on the following assumptions: • metering equipment has been installed correctly; • metering equipment is used generally by ordinary persons, including meter readers and consumers of electrical energy. In many cases, it is installed in a way that it is freely accessible. Its terminal covers cannot be removed, and its case cannot be opened without removing seals (if present) and using a tool; • during normal use all terminal covers, covers and barriers providing protection against accessing hazardous live parts are in place; • for installation, configuration, maintenance and repair it may be necessary to remove terminal cover(s), (a part of) the case or barriers so that hazardous live parts may become accessible. Such activities are performed by skilled persons, who have been suitably trained to be aware of working procedures necessary to ensure safety. Therefore, safety requirements covering these conditions are out of the Scope of this document. This second edition cancels and replaces the first edition published in 2015. This edition constitutes a technical revision. Please see the foreword of IEC 62052-31 f

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EN IEC 62056-6-1:2024(Main)

Electricity metering data exchange - The DLMS®/COSEM suite - Part 6-1: Object Identification System (OBIS)

SIST EN IEC 62056-6-1:2024

This part of IEC 62056 specifies the overall structure of the OBject Identification System (OBIS) and the mapping of all commonly used data items in metering equipment to their identification codes. OBIS provides a unique identifier for all data within the metering equipment, including not only measurement values, but also abstract values used for configuration or obtaining information about the behaviour of the metering equipment. The ID codes defined in this document are used for the identification of: - logical names of the various instances of the ICs, or objects, as defined in IEC 62056-6-2:2021; - data transmitted through communication lines; - data displayed on the metering equipment, see Clause A.2. This document applies to all types of metering equipment, such as fully integrated meters, modular meters, tariff attachments, data concentrators, etc. To cover metering equipment measuring energy types other than electricity, combined metering equipment measuring more than one type of energy or metering equipment with several physical measurement channels, the concepts of medium and channels are introduced. This allows meter data originating from different sources to be identified. While this document fully defines the structure of the identification system for other media, the mapping of non-electrical energy related data items to ID codes is completed separately. NOTE EN 13757-1:2014 defines identifiers for metering equipment other than electricity: heat cost allocators, thermal energy, gas, cold water and hot water.

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EN IEC 62056-6-2:2023(Main)

Electricity metering data exchange - The DLMS®/COSEM suite - Part 6-2: COSEM interface classes

SIST EN IEC 62056-6-2:2024

This part of IEC 62056 specifies a model of a meter as it is seen through its communication interface(s). Generic building blocks are defined using object-oriented methods, in the form of interface classes to model meters from simple up to very complex functionality. Annexes A to F (informative) provide additional information related to some interface classes.

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EN IEC 62056-5-3:2023(Main)

Electricity metering data exchange - The DLMS®/COSEM suite - Part 5-3: DLMS®/COSEM application layer

SIST EN IEC 62056-5-3:2024

This part of IEC 62056 specifies the DLMS®/COSEM application layer in terms of structure, services and protocols for DLMS®/COSEM clients and servers, and defines rules to specify the DLMS®/COSEM communication profiles. It defines services for establishing and releasing application associations, and data communication services for accessing the methods and attributes of COSEM interface objects, defined in IEC 62056-6-2:2021 using either logical name (LN) or short name (SN) referencing. Annex A (normative) defines how to use the COSEM application layer in various communication profiles. It specifies how various communication profiles can be constructed for exchanging data with metering equipment using the COSEM interface model, and what are the necessary elements to specify in each communication profile. The actual, media-specific communication profiles are specified in separate parts of the IEC 62056 series. Annex B (normative) specifies the SMS short wrapper. Annex C (normative) specifies the gateway protocol. Annex D, Annex E and Annex F (informative) include encoding examples for APDUs. Annex G (normative) provides NSA Suite B elliptic curves and domain parameters. Annex H (informative) provides an example of an End entity signature certificate using P-256 signed with P-256. Annex I (normative) specifies the use of key agreement schemes in DLMS®/COSEM. Annex J (informative) provides examples of exchanging protected xDLMS APDUs between a third party and a server. Annex K (informative) lists the main technical changes in this edition of the standard.

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EN 50470-4:2023(Main)

Electricity metering equipment - Part 4: Particular requirements - Static meters for DC active energy (class indexes A, B and C)

SIST EN 50470-4:2023

This document applies only to static watt-hour meters of accuracy classes A, B and C for the measurement of direct current electrical active energy in DC systems and it applies to their type tests. NOTE 1 For general requirements, such as construction, EMC, safety, dependability etc., see the relevant EN 62052 series or EN 62059 series. This document applies to electricity metering equipment designed to: - measure and control electrical energy on DC electrical networks with voltages up to 1 500 V; NOTE 2 Meters for unearthed DC supplies and meters for three-wire DC networks are within the scope of this document. - form a complete meter including the legally relevant display of measured values; NOTE 3 Electrical energy meters constructed from separate parts as described in WELMEC Guide 11.7:2017 are included. - operate with integrated or detached legally relevant displays; - optionally, provide additional functions other than those for measurement of electrical energy. They can be used for measuring DC electrical energy, amongst others, in the following application areas: - in EV (electrical vehicle) charging stations or in EV charging infrastructure (also called EVSE, electric vehicle supply equipment), if energy is measured on the DC side; - in solar PV (photovoltaic) systems where DC power generation is measured; - in low voltage DC networks for residential or commercial areas, if energy is measured on the DC side, including similar applications like information technology (IT) server farms or DC supply points for communication equipment; - in DC supply points for public transport networks (e.g. for trolleybuses); - in mobile applications on vehicles for e-road (electric road) systems. Meters designed for operation with external DC instrument transformers, transducers or shunts can be tested for compliance with this document only if such meters and their transformers, transducers or shunts are tested together and meet the requirements for directly connected meters. Requirements in this document and in EN IEC 62052 11:20211 applying to meters designed for operation with DC LPITs also apply to meters designed for operation with external instrument transformers, transducers or shunts. NOTE 4 Modern electricity meters typically contain additional functions such as measurement of voltage magnitude, current magnitude, power, etc.; measurement of power quality parameters; load control functions; delivery, time, test, accounting, recording functions; data communication interfaces and associated data security functions. The relevant standards for these functions could apply in addition to the requirements of this document. However, the requirements for such functions are outside the scope of this document. NOTE 5 Product requirements for power metering and monitoring devices (PMDs) and measurement functions such as voltage magnitude, current magnitude, power, etc., are covered in EN IEC 61557-12:2022. However, devices compliant with EN IEC 61557-12:2022 are not intended to be used as billing meters unless they are also compliant with EN IEC 62052 11:20211 and this document. NOTE 6 Requirements for DC power quality (PQ) instruments, DC PQ measuring techniques, and DC PQ instrument testing are under discussion and will be specified in other standards. This document does not apply to: — portable meters; NOTE 7 Portable meters are meters that are not permanently connected. — meters used in rolling stock (railway applications), ships and airplanes; NOTE 8 DC meters for rolling stock are covered by other standards, e.g. by the EN 50463 series. [...]

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EN IEC 62057-1:2023(Main)

Electrical energy meters - Test equipment, techniques and procedures - Part 1: Stationary meter test units (MTUs)

SIST EN IEC 62057-1:2023

IEC 62057-1:2023 applies to stationary meter test units (MTUs) permanently installed in laboratories, used for testing and calibration of electricity meters, in particular for their type test, acceptance test and verification test. It covers the requirements for automatic MTUs for indoor laboratory application and applies to newly manufactured MTUs to test electricity meters on 50 Hz or 60 Hz networks with an AC voltage up to 600 V (phase to neutral). If meters are intended for system voltages not specified in this document, special requirements are agreed between the manufacturer and the purchaser. This document also defines the kind of tests to perform as type tests / routine tests / acceptance tests and commissioning tests for MTUs. It does not apply to: • portable reference meters and portable sources; • electricity meters; • data interfaces to the meter and test procedures of data interface; • transformer operated MTUs; • personal computers supplied together with the MTU.

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EN IEC 62055-42:2022(Main)

Electricity metering - Payment systems - Part 42: Transaction Reference Numbers (TRN)

SIST EN IEC 62055-42:2022

IEC 62055-42:2022, specifies a token generation mechanism and token structure for smart prepayment functionality in markets where IEC 62055-41 compliant systems are not used, and where a different security mechanism is required by project-specific or national requirements. This document specifies token structure, authentication and an anti-replay mechanism, token operating model, and protocol. This document is informed by the STS Association key management services, and by the key management mechanisms used within the DLMS/COSEM security model within IEC 62056‑6‑2. Reference is made to the international STS token standards (IEC 62055-41, IEC 62055-51 and IEC 62055-52) for payment metering systems, and interworking has been considered where appropriate in terms of token carrier ranges in the decimal domain. IEC 62055-41 tokens and those described in this document are not interoperable, however their domains are designed to be mutually exclusive to ensure the two kinds of tokens do not interfere with each other. Metering application processing and functionality, HAN interface commands and attributes, WAN interface commands and attributes are outside the scope of this document; however, reference is made to other standards in this regard. The mechanism for auditing and retrieving data from the meter relating to tariffication, meter readings, profile data and other legal metrology information is outside the scope of this document; however, this is defined as part of any overall metering solution. Such interfaces for retrieving data from a meter may be defined using suitable protocols such as DLMS/COSEM as defined in the IEC 62056 series.

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EN IEC 62055-31:2022(Main)

Electricity metering - Payment systems - Part 31: Particular requirements - Static payment meters for active energy (classes 0,5, 1 and 2)

SIST EN IEC 62055-31:2022

This part of IEC 62055 applies to newly manufactured, static watt-hour payment meters of accuracy classes 0,5, 1 and 2 for direct connection, for the measurement of alternating current electrical energy consumption of a frequency in the range 45 Hz to 65 Hz that include a supply control switch for the purpose of interruption or restoration of the electricity supply to the load in accordance with the current value of the available credit maintained in the payment meter. It does not apply to static watt-hour payment meters where the voltage across the connection terminals exceeds 1 000 V (line-to-line voltage for meters for polyphase systems). It applies to payment meters for indoor application, operating under normal climatic conditions where the payment meter is mounted as for normal service (i.e. together with a specified matching socket where applicable). Payment meters are implementations where all the main functional elements are incorporated in a single enclosure, together with any specified matching socket. There are also multi-device payment metering installations where the various main functional elements, such as the measuring element, the user interface unit, token carrier interface, and the supply control switch are implemented in more than one enclosure, involving additional interfaces. Functional requirements that apply to payment meters are also defined in this document, and include informative basic functional requirements and tests for the prepayment mode of operation in Annex A. Allowances are made for the relatively wide range of features, options, alternatives, and implementations that may be found in practice. The diverse nature and functionality of payment meters prevent the comprehensive specification of detailed test methods for all of these requirements. However, in this case, the requirements are stated in such a way that tests can then be formulated to respect and validate the specific functionality of the payment meter being tested. This document does not cover specific functionality or performance requirements for circuit protection, isolation or similar purposes that may be specified through reference to other specifications or standards. Safety requirements removed from Edition 1.0 have been replaced with references to the safety requirements now contained in IEC 62052-31:2015, the product safety standard for newly manufactured electricity meters. In-service safety testing (ISST) is not covered by IEC 62052-31:2015 and is left to national best practice usually as an extension of existing in-service testing (IST) of metrology stability. This document does not cover software requirements. This document covers type-testing requirements only. For acceptance testing, the requirements given in IEC 62058‑11:2008 and IEC 62058-31:2008 may be used. Dependability aspects are addressed in the IEC 62059 series of standards. Additional reliability, availability, maintenance and life cycle aspects are provided by IEC TC 56. This document does not cover conformity tests and system compliance tests that may be required in connection with legal or other requirements of some markets.

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11-Aug-2022
91.140.50
CLC/TC 13

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EN 50470-3:2022(Main)

Electricity metering equipment - Part 3: Particular requirements - Static meters for AC active energy (class indexes A, B and C)

SIST EN 50470-3:2022

This document applies only to static watt-hour meters of accuracy classes A, B and C for the measurement of alternating current electrical active energy in 50 Hz or 60 Hz networks and it applies to their type tests. NOTE 1 For general requirements, such as construction, EMC, safety, dependability etc., see the relevant EN 62052 series or EN 62059 series. This document applies to electricity metering equipment designed to: - measure and control electrical energy on electrical networks (mains) with voltage up to 1 000 V AC; NOTE 2 For AC electricity meters, the voltage mentioned above is the line-to-neutral voltage derived from nominal voltages. See EN 62052-31:2016, Table 7. EN 62052 31:2016 covers AC voltages only up to 600 V and Ed. 2 of EN IEC 62052 31 will cover AC voltages up to 1000 V. - have all functional elements, including add-on modules, enclosed in, or forming a single meter case with exception of indicating displays; - operate with integrated or detached indicating displays; - be installed in specified matching sockets or racks; - optionally, provide additional functions other than those for measurement of electrical energy. Meters designed for operation with low power instrument transformers (LPITs as defined in the EN 61869 series) can be tested for compliance with this document only if such meters and their LPITs are tested together and meet the requirements for directly connected meters. NOTE 3 Modern electricity meters typically contain additional functions such as measurement of voltage magnitude, current magnitude, power, frequency, power factor, etc.; measurement of power quality parameters; load control functions; delivery, time, test, accounting, recording functions; data communication interfaces and associated data security functions. The relevant standards for these functions could apply in addition to the requirements of this document. However, the requirements for such functions are outside the scope of this document. NOTE 4 Product requirements for power metering and monitoring devices (PMDs) and measurement functions such as voltage magnitude, current magnitude, power, frequency, etc., are covered in EN 61557-12:2008. However, devices compliant with EN 61557-12:2008 are not intended to be used as billing meters unless they are also compliant with the EN IEC 62052-11:2021/A11:2022 and EN 50470-3:2022 standards. NOTE 5 Product requirements for power quality instruments (PQIs) are covered in EN 62586-1:2017. Requirements for power quality measurement techniques (functions) are covered in EN 61000-4-30:2015. Requirements for testing of the power quality measurement functions are covered in EN 62586-2:2017. This document does not apply to: - meters for which the line-to-neutral voltage derived from nominal voltages exceeds 1 000 V AC; - meters intended for connection with low power instrument transformers (LPITs as defined in the EN 61869 series) when tested without such transformers; - metering systems comprising multiple devices (except of LPITs) physically remote from one another; - portable meters; NOTE 6 Portable meters are meters that are not permanently connected. - meters used in rolling stock, vehicles, ships and airplanes; - laboratory and meter test equipment; - reference standard meters; - data interfaces to the register of the meter; - matching sockets or racks used for installation of electricity metering equipment; - any additional functions provided in electrical energy meters. This document does not cover measures for the detection and prevention of fraudulent attempts to compromise meter’s performance (tampering). [...]

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EN IEC 62056-3-1:2021(Main)

Electricity metering data exchange - The DLMS/COSEM suite - Part 3-1: Use of local area networks on twisted pair with carrier signalling

SIST EN IEC 62056-3-1:2021

IEC 62056-3-1:2021 is available as IEC 62056-3-1:2021 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 62056-3-1:2021 describes two sets of profiles: the first set of profiles allows a bidirectional communication between a client and a server. This set of profiles is made of three profiles allowing local bus data exchange with stations either energized or not. For non-energized stations, the bus supplies energy for data exchange. Three different profiles are supported: • base profile: this three-layer profile provides remote communication services; NOTE 1 This first profile was published in IEC 61142:1993 and became known as the Euridis standard. • profile with DLMS: this profile allows using DLMS services as specified in IEC 61334 4 41; NOTE 2 This second profile was published in IEC 62056-31:1999. • profile with DLMS/COSEM: this profile allows using the DLMS/COSEM Application layer and the COSEM object model as specified in IEC 62056 5 3 and in IEC 62056 6 2 respectively. The three profiles use the same physical layer and they are fully compatible, meaning that devices implementing any of these profiles can be operated on the same bus. The transmission medium is twisted pair using carrier signalling and it is known as the Euridis Bus. The second set of profiles allows unidirectional communication between a given Energy Metering device and a Customer Energy Management System. This second set is made up of three profiles. Subclause 4.2.1 to Clause 8 included specify the bidirectional communication using twisted pair signalling and Clause 9 to 9.5 the unidirectional communication using twisted pair signalling. This second edition cancels and replaces the first edition of IEC 62056-3-1, issued in 2013, and constitutes a technical revision. The main technical changes with regard to the previous edition are as follows: • addition of a profile which makes use of the IEC 62056 DLMS/COSEM Application layer and COSEM object model; • review of the data link layer which is split into two parts: – a pure Data Link layer; – a "Support Manager" entity managing the communication media; • ability to negotiate the communication speed, bringing baud rate up to 9 600 bauds.

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Electricity metering (a.c.) - Tariff and load control - Part 11: Particular requirements for electronic ripple control receivers

Wechselstrom-Elektrizitätszähler - Tarif- und Laststeuerung - Teil 11: Besondere Anforderungen an elektronische Rundsteuerempfänger

Équipement de comptage de l'électricité (c.a.) - Tarification et contrôle de charge - Partie 11 : prescriptions particulières pour récepteurs électroniques de télécommande centralisée

Merjenje električne energije (a.c./izmenični tok) - Krmiljenje tarif in bremen - 11. del: Posebne zahteve za elektronske tonsko frekvenčne omrežne sprejemnike - Dopolnilo A1 - Popravek AC

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