Digital load side transmission lighting control - Part 1: Basic requirements

This International Standard specifies a protocol, electrical interface and test procedures for
control of electronic lighting equipment by digital signals over the load side mains wiring.
Safety requirements are not covered by this standard.

Digitale lastleitungsseitige Schnittstelle zur Beleuchtungssteuerung (DLT) – Teil 1: Grundanforderungen

Commande d’éclairage de transmission côté numérique (DLT) - Partie 1 : Exigences de base

L'IEC 62756-1:2015 spécifie un protocole, une interface électrique et des procédures d'essai pour la commande des équipements d'éclairage électronique par signaux numériques sur le câblage secteur côté charge. Les exigences de sécurité ne sont pas couvertes par la présente Norme.

Digitalni vmesnik na strani bremena za krmiljenje razsvetljave - 1. del: Osnovne zahteve

Ta mednarodni standard določa protokol, električni vmesnik in preskusne postopke za krmiljenje elektronske opreme za razsvetljavo z digitalnimi signali prek napajalnega ožičenja na strani bremena. Ta standard ne obravnava varnostnih zahtev.

General Information

Status
Published
Publication Date
16-Aug-2015
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
03-Aug-2015
Due Date
08-Oct-2015
Completion Date
17-Aug-2015

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SLOVENSKI STANDARD
SIST EN 62756-1:2015
01-september-2015
Digitalni vmesnik na strani bremena za krmiljenje razsvetljave - 1. del: Osnovne
zahteve
Digital load side transmission lighting control - Part 1: Basic requirements
Digitale lastleitungsseitige Schnittstelle zur Beleuchtungssteuerung (DLT) – Teil 1:
Grundanforderungen
Commande d’éclairage de transmission côté numérique (DLT) - Partie 1 : Exigences de
base
Ta slovenski standard je istoveten z: EN 62756-1:2015
ICS:
29.140.50 Instalacijski sistemi za Lighting installation systems
razsvetljavo
SIST EN 62756-1:2015 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 62756-1:2015

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SIST EN 62756-1:2015


EUROPEAN STANDARD EN 62756-1

NORME EUROPÉENNE

EUROPÄISCHE NORM
July 2015
ICS 29.140.99

English Version
Digital load side transmission lighting control - Part 1: Basic
requirements
(IEC 62756-1:2015)
Commande d'éclairage de transmission côté numérique Digitale lastleitungsseitige Schnittstelle zur
(DLT) - Partie 1 : Exigences de base Beleuchtungssteuerung (DLT) - Teil 1: Grundanforderungen
(IEC 62756-1:2015) (IEC 62756-1:2015)
This European Standard was approved by CENELEC on 2015-07-01. 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 CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.


European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN 62756-1:2015 E

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SIST EN 62756-1:2015
EN 62756-1:2015
European foreword
The text of document 34C/1054/CDV, future edition 1 of IEC 62756-1, prepared by
SC 34C "Auxiliaries for lamps" of IEC/TC 34 "Lamps and related equipment" was submitted to the
IEC-CENELEC parallel vote and approved by CENELEC as EN 62756-1:2015.

The following dates are fixed:
(dop) 2016-04-01
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2018-07-01
standards conflicting with the
document have to be withdrawn

Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.

Endorsement notice
The text of the International Standard IEC 62756-1:2015 was approved by CENELEC as a European
Standard without any modification.
2

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SIST EN 62756-1:2015
 EN 62756-1:2015

Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
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.
NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant

EN/HD applies.

NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu.
Publication Year Title EN/HD Year

IEC 60038 -  IEC standard voltages EN 60038 -
IEC 60364 series Low-voltage electrical installations HD 60364 series

3

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SIST EN 62756-1:2015

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SIST EN 62756-1:2015




IEC 62756-1

®


Edition 1.0 2015-05




INTERNATIONAL



STANDARD








colour

inside










Digital load side transmission lighting control (DLT) –

Part 1: Basic requirements



























INTERNATIONAL

ELECTROTECHNICAL


COMMISSION





ICS 29.140.99 ISBN 978-2-8322-2711-4



  Warning! Make sure that you obtained this publication from an authorized distributor.


® Registered trademark of the International Electrotechnical Commission

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SIST EN 62756-1:2015
– 2 – IEC 62756-1:2015 © IEC 2015
CONTENTS
FOREWORD . 5
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 8
3 Terms and definitions . 8
4 General description . 10
4.1 General . 10
4.2 Master-slave structure . 10
4.3 Specification overview . 10
5 General requirements . 10
5.1 Voltage rating . 10
5.2 Frequency rating . 11
5.3 Marking of control devices and control gear . 11
6 Electrical specification . 11
6.1 General . 11
6.2 Wiring method . 12
6.3 Wiring diagram . 12
6.4 Block diagram of the control gear . 12
6.5 Block diagram of the control device . 13
6.6 Electrical characteristics in different periods of the mains waveform . 13
6.6.1 General . 13
6.6.2 Separation of the half-wave into time periods . 14
6.6.3 Electrical characteristics of the supply period . 14
6.6.4 Electrical characteristics of the operating period . 19
6.6.5 Electrical characteristics of the data period . 19
6.7 Data signal voltage range and timing . 23
6.8 Power up timing . 23
6.9 Electrical characteristics during the off state of control gear . 24
6.9.1 General . 24
6.9.2 Power controlled off state . 24
6.9.3 Telegram controlled off state . 25
7 Data timing . 25
7.1 General . 25
7.2 Information bit timing . 25
7.3 Permissible frames . 25
8 Telegram structure . 26
8.1 General . 26
8.2 Telegrams . 27
8.2.1 General . 27
8.2.2 Group number . 27
8.2.3 Telegram type . 27
8.2.4 Parity bit . 27
8.2.5 Data for control of the control gear . 27
9 Definition of telegram types . 27
9.1 Summary of telegram types . 27

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SIST EN 62756-1:2015
IEC 62756-1:2015 © IEC 2015 – 3 –
9.2 Telegram type 0: Brightness . 28
9.3 Telegram type 1: Colour control . 28
9.4 Telegram type 2: Colour temperature control . 29
9.5 Telegram type 3 . 29
9.6 Telegram type 4 . 29
9.7 Telegram type 5: commissioning: Group number assignment . 29
9.8 Telegram type 6: Manufacturer specific . 30
9.9 Telegram type 7: extended telegram . 30
10 Method of operation . 30
10.1 General . 30
10.2 Brightness . 31
10.2.1 General . 31
10.2.2 Response time . 31
10.2.3 Light output level . 31
10.2.4 Start-up . 31
10.3 Colour control . 31
10.3.1 General . 31
10.3.2 Colour (x, y) . 31
10.3.3 Response time . 32
10.3.4 Colour gamut . 32
10.3.5 Start-up . 32
10.4 Colour temperature control . 33
10.4.1 General . 33
10.4.2 CCT (correlated colour temperature) . 33
10.4.3 Response time . 33
10.4.4 Start-up . 33
10.5 Telegram controlled group number assignment . 33
10.6 Manufacturer specific telegram . 34
11 Test procedures . 34
11.1 General . 34
11.2 Electrical characteristics tests . 35
11.2.1 General . 35
11.2.2 Test of control device . 35
11.2.3 Test of control gear . 38
11.3 Test of data timing . 41
11.4 Test of telegram structure . 41
11.4.1 Test of control device . 41
11.4.2 Test of control gear . 41
11.5 Test of telegram types . 42
11.5.1 General . 42
11.5.2 Rejection of unsupported telegram types . 42
11.5.3 Test of telegram type 0: brightness . 42
11.5.4 Test of telegram type 1: colour control . 42
11.5.5 Test of telegram type 2: colour temperature control . 43
11.5.6 Test of telegram type 5: commissioning . 43
11.5.7 Test of telegram type 6: manufacturer specific . 43
11.6 Test of method of operation . 43
11.6.1 General . 43
11.6.2 Group number operation . 43

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SIST EN 62756-1:2015
– 4 – IEC 62756-1:2015 © IEC 2015
Annex A (informative) Examples of procedures for telegram controlled group number
commissioning . 47
A.1 Telegram controlled group number assignment of a new system . 47
A.2 Telegram controlled group number assignment of replacement control gear . 47
A.3 Telegram controlled changing of group numbers . 48

Figure 1 – Example wiring diagram . 12
Figure 2 – Example of block diagram of control gear . 13
Figure 3 – Example of block diagram of control device . 13
Figure 4 – Time periods of each half-wave . 14
Figure 5 – Timing of supply period . 15
Figure 6 – Timing data period . 20
Figure 7 – Rise time and fall time at the control interface . 23
Figure 8 – Transmission of “start of telegram” . 25
Figure 9 – Transmission of first bit 0, second bit 0 . 25
Figure 10 – Transmission of first bit 0, second bit 1 . 26
Figure 11 – Transmission of first bit 1, second bit 0 . 26
Figure 12 – Transmission of first bit 1, second bit 1 . 26
Figure 13 – Brightness telegram . 28
Figure 14 – Colour control telegram . 28
Figure 15 – Colour temperature telegram . 29
Figure 16 – Group number assignment telegram . 29
Figure 17 – Manufacturer specific telegram. 30
Figure 18 – The CIE 1931 colour space chromaticity diagram . 32
Figure 19 – Test Circuit for testing the Control Device . 35
Figure 20 – Test Circuit for testing the Control Gear . 38
Figure 21 – Voltage applied to control gear for test procedure . 39

Table 1 – Nominal mains voltage 100 V, frequency 50 Hz or 60 Hz . 17
Table 2 – Nominal mains voltage 120 V; frequency 50 Hz or 60 Hz . 17
Table 3 – Nominal mains voltage 200 V; frequency 50 Hz or 60 Hz . 18
Table 4 – Nominal mains voltage 230 V; frequency 50 Hz or 60 Hz . 18
Table 5 – Nominal mains voltage 277 V; frequency 50 Hz or 60 Hz . 19
Table 6 – Nominal mains voltage 100 V; frequency 50 Hz or 60 Hz . 21
Table 7 – Nominal mains voltage 120 V; frequency 50 Hz or 60 Hz . 21
Table 8 – Nominal mains voltage 200 V; frequency 50 Hz or 60 Hz . 21
Table 9 – Nominal mains voltage 230 V; frequency 50 Hz or 60 Hz . 22
Table 10 – Nominal mains voltage 277 V; frequency 50 Hz or 60 Hz . 22
Table 11 – Electrical characteristics of the data signal . 23
Table 12 – Currents and Voltages for control gear during the power controlled off state . 24
Table 13 – Telegram types . 28
Table 14 – Dimming characteristic . 31
Table 15 – Parameters for testing purposes . 35
Table 16 – Group number test telegram sequence . 44

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SIST EN 62756-1:2015
IEC 62756-1:2015 © IEC 2015 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________

DIGITAL LOAD SIDE TRANSMISSION LIGHTING CONTROL (DLT) –

Part 1: Basic requirements

FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity
assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any
services carried out by independent certification bodies.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
International Standard IEC 62756-1 has been prepared by subcommittee 34C: Auxiliaries for
lamps, of IEC technical committee 34: Lamps and related equipment.
The text of this standard is based on the following documents:
CDV Report on voting
34C/1054/CDV 34C/1081B/RVC

Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.
A list of all parts in the IEC 62756 series, published under the general title Digital load side
transmission lighting control (DLT), can be found on the IEC website.

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SIST EN 62756-1:2015
– 6 – IEC 62756-1:2015 © IEC 2015
The committee has decided that the contents of this publication will remain unchanged until
the stability date indicated on the IEC website under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
A bilingual version of this publication may be issued at a later date.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.

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SIST EN 62756-1:2015
IEC 62756-1:2015 © IEC 2015 – 7 –
INTRODUCTION
This standard concerning Digital Load Side Transmission Lighting Control (DLT) describes a
protocol for simple control of brightness, colour, colour temperature, and other parameters for
the purpose of controlling lighting sources such as CFLi, LED light engines, electronic control
gear and any other light source with integrated or external control gear.
This protocol uses existing wiring and allows easy retrofit of standard switches, dimmers and
lamps with the new devices described in this standard, with little or no configuration.
The following standards contain safety requirements for control devices and control gear:
– IEC 60669-2-1, Switches for household and similar fixed electrical installations – Part 2-1:
Particular requirements – Electronic switches,
– IEC 61347, Lamp control gear,
– IEC 60968, Self-ballasted lamps for general lighting services – Safety requirements,
– IEC 62560, Self-ballasted LED-lamps for general lighting services by voltage > 50 V –
Safety specifications.

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SIST EN 62756-1:2015
– 8 – IEC 62756-1:2015 © IEC 2015
DIGITAL LOAD SIDE TRANSMISSION LIGHTING CONTROL (DLT) –

Part 1: Basic requirements



1 Scope
This International Standard specifies a protocol, electrical interface and test procedures for
control of electronic lighting equipment by digital signals over the load side mains wiring.
Safety requirements are not covered by this standard.
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.
IEC 60364 (all parts), Low-voltage electrical installations
IEC 60038, IEC standard voltages
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
load side
wire from the output of the control device to the supply input of one or more control gear
3.2
interface
wires used for both supply of AC mains power and data transfer
3.3
control device
device that is connected to the interface and sends commands to at least one control gear
[SOURCE: IEC 62386-101:2009, 3.1, modified — "in order to control other devices (for
example lamp control gear) connected to the same interface" has been replaced by "to at
least one control gear"]
3.4
control gear
one or more components between the supply and one or more lamps which may serve to
transform the supply voltage, limit the current of the lamp(s) to the required value, provide
starting voltage and preheating current, prevent col
...

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