British Standards Institution

Source:: CEN
Committee:: PEL/894 - Remote Meter Reading
Categories:: Information management | Standardization. General rules | ICT | Telecommunications. Audio and video engineering | Telecontrol. Telemetering

Scope

This document specifies the general requirements and applies to thermal energy meters. Thermal energy meters are instruments intended for measuring the energy which in a heatexchange circuit is absorbed (cooling) or given up (heating) by a liquid called the heat-conveying liquid. The meter indicates heat in legal units.

Part 3 specifies the data exchange between a meter and a readout device (POINT / POINT communication). For these applications using the optical readout head, the EN 62056-21 protocol is recommended.

For networks with up to 250 meters, a master unit with AC mains supply according to EN 13757-2 is necessary to control the M-Bus. For these applications the physical and link layer of EN 13757-2 and the application layer of EN 13757-3 is required.

For wireless meter communications, EN 13757-4 describes several alternatives of walk/drive-by readout via a mobile station or by using stationary receivers or a network. Both unidirectionally and bidirectionally transmitting meters are supported by this standard.

Purpose

Improvement of the standard after comments received during systematic review and alignment with other parts of the EN 1434-series.

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal

Proposal start date:

21/03/2022

Proposal end date:

01/05/2022

2. Draft

3. Public Comments

4. Comment Resolution

5. Approval

6. Publication

Learn more about the standards development process

Standards Development

CEN/TC 294 N 1094, Revision of EN 1434-3 - Thermal energy meters - Part 3 Thermal energy meters - Part 3: Data exchange and interfaces

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