Table of Contents

European foreword<br>1 Scope<br>2 Normative references<br>3 Meter interfaces and protocols overview<br>4 Physical layer<br>5 Link layer<br>6 Application layer<br>7 Application<br>Annex A (informative) - Recommendation for heat meter<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;test interface<br>Annex B (informative) - Additional information for heat<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;meters<br>Annex C (informative) - Automatic protocol detection<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and wake-up for the optical interface<br>Annex D (informative) - Usage of heat meters in control<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;applications<br>Annex E (informative) - Protection techniques for M-Bus<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;meters against surge/lightning<br>Annex F (informative) - Additional information about the<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;master-unit for the M-Bus<br>Bibliography

Abstract

Describes the general requirements and applies to heat meters.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	British Standards Institution
Pages
ISBN
Committee	PEL/894
Supersedes	BS 7234-2(1990) : 1990 BS 7234-3(1990) : 1990 BS 7234-1(1990) : 1990 07/30076185 DC : 0 93/204824 DC : APR 93