EN 13757-2:2018

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.0YRGLOXKommunikationssysteme für Zähler - Teil 2: Drahtgebundene M-Bus-KommunikationSystèmes de communication pour compteurs - Partie 2 : Communication M-Bus filaireCommunication systems for meters - Part 2: Wired M-Bus communication35.100.10Physical layer33.200Daljinsko krmiljenje, daljinske meritve (telemetrija)Telecontrol. TelemeteringICS:Ta slovenski standard je istoveten z:EN 13757-2:2018SIST EN 13757-2:2018en,fr,de01-junij-2018SIST EN 13757-2:2018SLOVENSKI
STANDARDSIST EN 13757-2:20051DGRPHãþD

EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 13757-2
April
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{ sä s v rä w r Supersedes EN
s u y w yæ tã t r r vEnglish Version
Communication systems for meters æ Part
tã Wired MæBus communication Systèmes de communication pour compteurs æ Partie
t ã Communication MæBus filaire
Kommunikationssysteme für Zähler æ Teil
tã Drahtgebundene MæBusæKommunikation This European Standard was approved by CEN on
z February
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egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
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t r s z CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
s u y w yæ tã t r s z ESIST EN 13757-2:2018

European foreword . 3 Introduction . 5 1 Scope . 5 2 Normative references . 6 3 Terms and definitions . 6 4 Physical layer specifications . 6 4.1 General . 6 4.2 Electrical requirements slave . 7 4.3 Electrical requirements master . 9 4.4 Electrical requirements mini-master . 12 4.5 Repeaters . 12 4.6 Burst and surge requirements . 13 5 Link Layer (master and slave) . 13 5.1 General . 13 5.2 Baud rate . 13 5.3 Bit position . 14 5.4 Byte format . 15 5.5 Block format . 15 5.6 Datagram abort on collision . 15 5.7 Datagram description . 16 6 Tables and figures . 18 Annex A (informative)
Schematic implementation of slave . 23 Annex B (informative)
Protection against mains voltages . 24 Annex C (informative)
Slave powering options . 25 Annex D (informative)
Slave collision detect . 26 Annex E (informative)
Wire installation . 27 E.1 General . 27 E.2 Type A: small in house installation . 27 E.3 Type B: large in house installation . 27 E.4 Type C: small wide area net . 27 E.5 Type D: large wide area net . 28 E.6 Type E: mini installation (meter cluster) . 28 Annex F (informative)
Protocol examples . 29 F.1 Startup . 29 F.2 Slave (meter) readout . 29 Bibliography . 30 SIST EN 13757-2:2018

It is usable also for other meters (like electricity meters) and for sensors and actuators. For generic descriptions concerning communication systems for meters and remote reading of meters see EN 13757–1. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 13757-1:2014, Communication systems for meters - Part 1: Data exchange EN 60870-5, (all parts), Telecontrol equipment and systems (IEC 60870-5 series) EN 60870-5-1, Telecontrol equipment and systems - Part 5: Transmission protocols - Section 1: Transmission frame formats EN 60870-5-2:1993, Telecontrol equipment and systems - Part 5: Transmission protocols - Section 2: Link transmission procedures EN 61000-4-4, Electromagnetic compatibility (EMC) - Part 4-4: Testing and measurement techniques - Electrical fast transient/burst immunity test EN 61000-4-5, Electromagnetic compatibility (EMC) - Part 4-5: Testing and measurement techniques - Surge immunity test 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 13757-1:2014 and the following apply. 3.1 unit load one unit load (1 UL) is the maximum mark state current of 1,5 mA 4 Physical layer specifications 4.1 General Figure 1 shows the principal electrical concept of the physical layer: Information from the master to the slaves is transmitted via voltage level changes. A mark state voltage UMark (idle state, typically 36 V) and an space state voltage which is typically 12 V below UMark (but at least 12 V) is used for the data transmission. The high voltage step improves the noise immunity in the master to slave direction. The required minimum voltage supports a stable remote powering of all slaves of a segment. Signalling via a voltage change rather than by absolute voltage levels supports even large voltage drops due to wiring SIST EN 13757-2:2018
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