EN 50090-5-2:2004

SLOVENSKI STANDARD
01-september-2005
1DGRPHãþD
SIST CLC/R 205-009:1998
Stanovanjski in stavbni elektronski sistemi (HBES) - 5-2. del: Mediji in nivoji,
odvisni od medijev - Omrežja, ki temeljijo na HBES razreda 1, zviti par
Home and Building Electronic Systems (HBES) - Part 5-2: Media and media dependent
layers - Network based on HBES Class 1, Twisted Pair
Elektrische Systemtechnik für Heim und Gebäude (ESHG) - Teil 5-2: Medien und
medienabhängige Schichten - Netzwerk basierend auf ESHG Klasse 1, Twisted Pair
Systèmes électroniques pour les foyers domestiques et les bâtiments (HBES) - Partie 5-
2: Medias et couches dépendantes des medias - Réseau basé sur HBES Classe 1, Paire
Torsadée
Ta slovenski standard je istoveten z: EN 50090-5-2:2004
ICS:
97.120 Avtomatske krmilne naprave Automatic controls for
za dom household use
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN 50090-5-2
NORME EUROPÉENNE
EUROPÄISCHE NORM February 2004

ICS 97.120 Supersedes R205-009:1996

English version
Home and Building Electronic Systems (HBES)
Part 5-2: Media and media dependent layers -
Network based on HBES Class 1, Twisted Pair

Systèmes électroniques pour les foyers Elektrische Systemtechnik für Heim
domestiques et les bâtiments (HBES) und Gebäude (ESHG)
Partie 5-2: Medias et couches Teil 5-2: Medien und medienabhängige
dépendantes des medias - Schichten -
Réseau basé sur HBES Classe 1, Netzwerk basierend auf ESHG Klasse 1,
Paire Torsadée Twisted Pair
This European Standard was approved by CENELEC on 2003-12-02. CENELEC members are bound to
comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on
application to the Central Secretariat or to any CENELEC member.

This European Standard exists in one official version (English). A version in any other language made by
translation under the responsibility of a CENELEC member into its own language and notified to the Central
Secretariat has the same status as the official version.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,
Switzerland and United Kingdom.

CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung

Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2004 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. EN 50090-5-2:2004 E
Contents
Foreword .5
Introduction.6
1 Scope.6
2 Normative references.6
3 Terms, definitions and abbreviations .7
3.1 Terms and definitions.7
3.2 Abbreviations.9
4 Requirements for HBES Class 1, Twisted Pair Type 0 (TP0) .10
4.1 Datagram service.10
4.2 Medium definition.14
4.3 Power feeding service .16
4.4 Data link layer type Twisted Pair Type 0.25
4.5 Full Twisted Pair Type 0 frame structure .35
5 Requirements for HBES Class 1, Twisted Pair Type 1 (TP1-64 & TP1-256) .36
5.1 Physical layer requirements – Overview .36
5.2 Requirements for analogue bus signals .38
5.3 Medium attachment unit (MAU) .43
5.4 Twisted Pair Type 1 bus cable.50
5.5 Topology.53
5.6 Services of the physical layer type Twisted Pair Type 1 .56
5.7 Behaviour of the physical layer type Twisted Pair Type 1 entity.58
5.8 Data link layer type Twisted Pair Type 1.58
Figure 1 – NRZ line code . 11
Figure 2 – Character format .11
Figure 3 – Transmitter rising and falling edges.12
Figure 4 – Repeater maximum transition time .15
Figure 5 – TP0 power supply gauge.18
Figure 6 – Power supply dynamic internal resistor measuring test set-up.18
Figure 7 – Falling edge and over-current measurements.19
Figure 8 – TP0 Network with distributed power supply .20
Figure 9 – Voltage / Current gauge of one node.21
Figure 10 – Voltage / Current gauge of entire distributed power supply
with 6 to 8 supplying nodes.24
Figure 11 – Common part of frame structure.26
Figure 12 – Control Field .26
Figure 13 – CTRLE Field .27
Figure 14 – Format1s, L_Data_Standard Frame Format
with standard field-name abbreviations .27
Figure 15 – Format 1e, L_Data_Extended Frame Format
with standard fieldname abbreviations .28
Figure 16 – EFF field .29

– 3 – EN 50090-5-2:2004
Figure 17 – Format 2, Short Acknowledgement frame format .30
Figure 18 – Transmission definition .35
Figure 19 – Format 1s, Full L_Data_Standard Request frame format .35
Figure 20 – Format 1e, Full L_Data_Extended Request frame format .36
Figure 21 – Logical structure of physical layer type TP1 .38
Figure 22 – Octet mapped to a serial character.38
Figure 23 – “1”-Bit frame.39
Figure 24 – “0”-Bit frame.40
Figure 25 – Delayed logical “0” .41
Figure 26 – Overlapping of two logical “0” (example) .42
Figure 27 – Method of transmitting.45
Figure 28 – Example of transmitter characteristics.46
Figure 29 – Example of a diagram of a TP1-64 transmitter.46
Figure 30 – Example of a diagram of a TP1-256 transmitter (I 0,4 A).47
limit
Figure 31 – Relation between framed data and asynchronous signal .48
Figure 32 – Relation between digital signal and serial bit stream .49
Figure 33 – Example of a Light Dimmer .50
Figure 34 – Physical Segments.53
Figure 35 – Physical segments combined to a line .54
Figure 36 – Lines combined to a zone.54
Figure 37 – Network topology .55
Figure 38 – Control Field .59
Figure 39 – Frame Fields with Standard Fieldname Abbreviations .59
Figure 40 – Format 1s, L_Data_Standard Frame Format.60
Figure 41 – Check octet.60
Figure 42 – Frame Fields with Standard Fieldname Abbreviations .61
Figure 43 – Format 1e, L_Data_Extended Frame Format .61
Figure 44 – Extended Control Field.62
Figure 45 – Format 3 - L_Poll_Data request frame format.62
Figure 46 – L_Poll_Data response frame format .63
Figure 47 – Format 2 - Short Acknowledgement frame format .64
Figure 48 – Character timing.64
Figure 49 – Priority operation.66
Figure 50 – Guarantee of access fairness .67
Figure 51 – State machine of data link layer .72
Table 1 – Electrical data encoding . 11
Table 2 – Transceiver characteristics – Sending part .12
Table 3 – Transceiver characteristics – Receiving part .13
Table 4 – Mandatory and optional requirements for physical layer services .13
Table 5 – Ph-Result parameter .14
Table 6 – Requirements for the TP0 line .15
Table 7 – General hardware requirements .16

Table 8 – Current consumption requirements.17
Table 9 – Power supply voltage .17
Table 10 – Requirements for one supplying DPS device .21
Table 11 – Requirements for entire DPS .23
Table 12 – Possible cable lengths depending on number of DPS devices connected
(for a typical cable) .24
Table 13 – Priority of frames – IFT.32
Table 14 – Requirements for Acknowledgement wait time, frame re-transmission .34
Table 15 – Requirements for full wait time, frame re-transmission.34
Table 16 – System parameters of physical layer Type TP1-64 and TP1-256 .37
Table 17 – Analogue and digital signal of a logical “1” .39
Table 18 – Analogue and digital signal of logical “0” .41
Table 19 – Limits within a character.42
Table 20 – Unit currents for standard devices .44
Table 21 – Dynamic requirements of a TP1-64 transmitter .
...