IEC 62386-103:2022

Digital addressable lighting interface - Part 103: General requirements - Control devices

IEC 62386-103:2022 is applicable to control devices for control by digital signals of electronic lighting equipment. This second edition cancels and replaces the first edition published in 2014 and Amendment 1:2018. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
the scope has been updated;
quiescent mode has been updated;
non-volatile memory (NVM) save time has been added, and SAVE PERSISTENT VARIABLES command removed;
memory bank 0 has been modified, and common memory bank requirements have been added;
IDENTIFY DEVICE has been updated;
version number has been changed;
bus unit configuration has been added; and
instance types and configuration have been added.

Interface d'éclairage adressable numérique - Partie 103: Exigences générales - Dispositifs de commande

L'IEC 62386-103:2022 s'applique aux dispositifs de commande par signaux numériques des équipements d'éclairage électroniques. Cette deuxième édition annule et remplace la première édition parue en 2014 et l'Amendement 1:2018. Cette édition constitue une révision technique. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
le domaine d'application a été mis à jour;
le mode repos a été mis à jour;
la durée de sauvegarde de la mémoire non volatile (NVM) a été ajoutée, et la commande SAVE PERSISTENT VARIABLES a été supprimée;
le bloc de mémoire 0 a été modifié, et les exigences communes pour les blocs de mémoire ont été ajoutées;
IDENTIFY DEVICE a été mise à jour;
le numéro de version a été modifié;
la configuration de l'unité de bus a été ajoutée; et
les types d'instances et leur configuration ont été ajoutés.

General Information

• Status: Published
• Publication Date: 15-Nov-2022
• ICS: 29.140.50 - Lighting installation systems
• ICS: 29.140.99 - Other standards related to lamps
• Technical Committee: TC 34 - Lighting
• Drafting Committee: WG 11 - TC 34/WG 11
• Current Stage: PPUB - Publication issued
• Start Date: 16-Nov-2022
• Completion Date: 02-Dec-2022

Relations

• Revises: IEC 62386-103:2014 - Digital addressable lighting interface - Part 103: General requirements - Control devices
• Effective Date: 05-Sep-2023
• Revises: IEC 62386-103:2014/AMD1:2018 - Amendment 1 - Digital addressable lighting interface - Part 103: General requirements - Control devices
• Effective Date: 05-Sep-2023

Overview

IEC 62386-103:2022 - part of the IEC 62386 (Digital Addressable Lighting Interface, DALI) family - defines general requirements for control devices used to control electronic lighting equipment by digital signals. This second edition (2022) replaces the 2014 edition and its 2018 amendment and constitutes a technical revision. It is applicable to control devices such as application controllers and input devices in digital lighting systems.

Key topics and technical requirements

The standard covers device behaviour, communications and memory management for DALI-compatible control devices. Major technical areas include:

• Scope and versioning
  • Updated scope and version number handling to ensure interoperability and future extensibility.
• Transmission and protocol
  • Defines transmission protocol structure, 24-bit forward frame encoding, timing, and event message formats.
• Device operation and modes
  • Rules for application controllers, single- and multi‑master operation, quiescent mode, and operating modes.
• Instance and input handling
  • Instance types and configuration, instance numbering, groups and input notification/event message handling.
• Memory and non‑volatile storage
  • Detailed memory bank architecture (including revised memory bank 0 and common memory bank requirements), non‑volatile memory (NVM) save time and protected memory locations.
• Commands and queries
  • Standardized device commands, configuration instructions, queries (e.g., QUERY VERSION NUMBER, QUERY DEVICE CAPABILITIES) and the updated IDENTIFY DEVICE command.
• Bus configuration and addressing
  • Bus unit configuration, short address assignment (including random allocation), and priority/event filtering.
• Error handling and reset
  • System failure behavior, reset operations, and power‑on/power‑cycle notifications.

Practical applications and users

IEC 62386-103:2022 is essential for anyone designing, manufacturing, deploying or testing digital lighting control devices. Typical users include:

• Lighting control manufacturers - to build interoperable DALI control devices (application controllers, input devices).
• System integrators and installers - to configure and commission multi-device lighting systems with predictable behaviour.
• Specifiers and consultants - to select compliant hardware for projects requiring digital control and standardized event/command sets.
• Test laboratories and certification bodies - to validate device conformance to memory, timing, and protocol requirements.
• Building automation developers - for integration between DALI control devices and higher-level building management systems.

Related standards

• Part of the IEC 62386 series (DALI). For full system compliance, refer to other parts of IEC 62386 that define device types, power supplies and control gear. Search the IEC webstore for the latest parts and corrigenda.

Keywords: IEC 62386-103:2022, DALI, Digital Addressable Lighting Interface, control devices, lighting control systems, memory bank, quiescent mode, NVM save time, IDENTIFY DEVICE, bus unit configuration.

Standards Content (Sample)

IEC 62386-103 ®
Edition 2.0 2022-11
COMMENTED VERSION
INTERNATIONAL
STANDARD
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Digital addressable lighting interface –
Part 103: General requirements – Control devices
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IEC 62386-103 ®
Edition 2.0 2022-11
COMMENTED VERSION
INTERNATIONAL
STANDARD
colour
inside
Digital addressable lighting interface –
Part 103: General requirements – Control devices
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 29.140.50; 29.140.99 ISBN 978-2-8322-6104-0

– 2 – IEC 62386-103:2022 CMV © IEC 2022
CONTENTS
FOREWORD .8
INTRODUCTION . 11
1 Scope . 13
2 Normative references . 13
3 Terms and definitions . 13
4 General . 16
4.1 General . 16
4.2 Version number . 16
5 Electrical specification . 17
6 Interface Bus power supply . 17
7 Transmission protocol structure . 17
7.1 General . 17
7.2 24-bit forward frame encoding . 17
7.2.1 Frame format for instructions and queries. 17
7.2.2 Frame format for event messages . 19
8 Timing . 20
9 Method of operation . 20
9.1 General . 20
9.2 Device features . 20
9.3 Application controller . 20
9.3.1 General . 20
9.3.2 Single-master application controller . 21
9.3.3 Multi-master application controller . 21
9.4 Input device. 22
9.5 Instances of input devices . 22
9.5.1 General . 22
9.5.2 Instance number . 22
9.5.3 Instance type . 22
9.5.4 Instance features . 22
9.5.5 Instance groups . 23
9.6 Commands excluding event messages . 23
9.6.1 General . 23
9.6.2 Device commands . 24
9.6.3 Instance commands . 24
9.6.4 Feature commands . 24
9.7 Event messages . 25
9.7.1 Response to event messages . 25
9.7.2 Device power cycle event . 25
9.7.3 Input notification event. 25
9.7.4 Event message filter . 26
9.8 Input signal and input, measured value and “inputValue” . 26
9.8.1 General . 26
9.8.2 Input resolution . 26
9.8.3 Getting the input value . 27
9.8.4 Notification of changes . 28

9.9 System failure . 28
9.10 Operating a control device . 28
9.10.1 Enable/disable the application controller . 28
9.10.2 Application controller always active . 28
9.10.3 Enable/disable event messages . 29
9.10.4 Quiescent mode . 29
9.10.5 Modes of operation . 29
9.11 Memory banks . 30
9.11.1 General . 30
9.11.2 Memory map . 31
9.11.3 Selecting a memory bank location . 32
9.11.4 Protectable memory locations . 32
9.11.5 Memory bank reading . 32
9.11.6 Memory bank writing . 34
9.11.7 Memory bank 0 . 35
9.11.8 Memory bank 1 (optional) . 38
9.11.9 Manufacturer-specific memory banks . 39
9.11.10 Reserved memory banks . 39
9.12 Reset . 40
9.12.1 Reset operation . 40
9.12.2 Reset memory bank operation. 40
9.13 Power on behaviour . 40
9.13.1 Power on . 40
9.13.2 Power cycle notification . 41
9.14 Priority use . 41
9.14.1 General . 41
9.14.2 Priority of input notifications . 41
9.15 Assigning short addresses . 42
9.15.1 General . 42
9.15.2 Random address allocation . 42
9.15.3 Identification of a device . 42
9.16 Exception handling . 43
9.17 Device capabilities and status information . 43
9.17.1 Device capabilities. 43
9.17.2 Device status . 43
9.17.3 Instance status . 44
9.18 Non-volatile memory . 44
9.19 Instance types and configuration . 44
9.20 Current bus unit configuration . 45
10 Declaration of variables . 45
11 Definition of commands . 47
11.1 General . 47
11.2 Overview sheets . 47
11.3 Event messages . 54
11.3.1 INPUT NOTIFICATION (device/instance, event) . 54
11.3.2 POWER NOTIFICATION (device) . 54
11.4 Device control instructions . 54
11.4.1 General . 54
11.4.2 IDENTIFY DEVICE . 54

– 4 – IEC 62386-103:2022 CMV © IEC 2022
11.4.3 RESET POWER CYCLE SEEN . 55
11.5 Device configuration instructions . 55
11.5.1 General . 55
11.5.2 RESET . 55
11.5.3 RESET MEMORY BANK (DTR0) . 56
11.5.4 SET SHORT ADDRESS (DTR0). 56
11.5.5 ENABLE WRITE MEMORY . 56
11.5.6 ENABLE APPLICATION CONTROLLER . 56
11.5.7 DISABLE APPLICATION CONTROLLER . 56
11.5.8 SET OPERATING MODE (DTR0) . 56
11.5.9 ADD TO DEVICE GROUPS 0-15 (DTR2:DTR1) . 57
11.5.10 ADD TO DEVICE GROUPS 16-31 ( DTR2:DTR1 ). 57
11.5.11 REMOVE FROM DEVICE GROUPS 0-15 (DTR2:DTR1) . 57
11.5.12 REMOVE FROM DEVICE GROUPS 16-31 (DTR2:DTR1) . 57
11.5.13 START QUIESCENT MODE . 57
11.5.14 STOP QUIESCENT MODE. 57
11.5.15 ENABLE POWER CYCLE NOTIFICATION . 57
11.5.16 DISABLE POWER CYCLE NOTIFICATION . 57
11.5.17 SAVE PERSISTENT VARIABLES .
11.5.17 SET EVENT PRIORITY (DTR0) . 57
11.6 Device queries . 58
11.6.1 General . 58
11.6.2 QUERY DEVICE CAPABILITIES . 58
11.6.3 QUERY DEVICE STATUS . 58
11.6.4 QUERY APPLICATION CONTROLLER ERROR. 58
11.6.5 QUERY INPUT DEVICE ERROR . 58
11.6.6 QUERY MISSING SHORT ADDRESS . 59
11.6.7 QUERY VERSION NUMBER . 59
11.6.8 QUERY CONTENT DTR0 . 59
11.6.9 QUERY NUMBER OF INSTANCES . 59
11.6.10 QUERY CONTENT DTR1 . 59
11.6.11 QUERY CONTENT DTR2 . 59
11.6.12 QUERY RANDOM ADDRESS (H) . 59
11.6.13 QUERY RANDOM ADDRESS (M) . 59
11.6.14 QUERY RANDOM ADDRESS (L) . 59
11.6.15 READ MEMORY LOCATION (DTR1, DTR0) . 59
11.6.16 QUERY APPLICATION CONTROLLER ENABLED . 60
11.6.17 QUERY OPERATING MODE . 60
11.6.18 QUERY MANUFACTURER SPECIFIC MODE . 60
11.6.19 QUERY QUIESCENT MODE . 60
11.6.20 QUERY DEVICE GROUPS 0-7 . 60
11.6.21 QUERY DEVICE GROUPS 8-15 . 60
11.6.22 QUERY DEVICE GROUPS 16-23 . 60
11.6.23 QUERY DEVICE GROUPS 24-31 . 60
11.6.24 QUERY POWER CYCLE NOTIFICATION . 60
11.6.25 QUERY EXTENDED VERSION NUMBER(DTR0). 60
11.6.26 QUERY RESET STATE . 61
11.6.27 QUERY APPLICATION CONTROLLER ALWAYS ACTIVE . 61
11.6.28 QUERY FEATURE TYPE . 61

11.6.29 QUERY NEXT FEATURE TYPE . 61
11.6.30 QUERY EVENT PRIORITY . 61
11.7 Instance control instructions. 61
11.8 Instance configuration instructions . 61
11.8.1 General . 61
11.8.2 ENABLE INSTANCE . 62
11.8.3 DISABLE INSTANCE . 62
11.8.4 SET PRIMARY INSTANCE GROUP (DTR0) . 62
11.8.5 SET INSTANCE GROUP 1 (DTR0) . 62
11.8.6 SET INSTANCE GROUP 2 (DTR0) . 62
11.8.7 SET EVENT SCHEME (DTR0) . 62
11.8.8 SET EVENT PRIORITY (DTR0) . 63
11.8.9 SET EVENT FILTER (DTR2:DTR1:DTR0) . 63
11.8.10 SET INSTANCE TYPE (DTR0) . 63
11.8.11 SET INSTANCE CONFIGURATION (DTR0, DTR2:DTR1). 63
11.9 Instance queries . 64
11.9.1 General . 64
11.9.2 QUERY INSTANCE TYPE . 64
11.9.3 QUERY RESOLUTION . 64
11.9.4 QUERY INSTANCE ERROR . 64
11.9.5 QUERY INSTANCE STATUS . 64
11.9.6 QUERY INSTANCE ENABLED . 64
11.9.7 QUERY PRIMARY INSTANCE GROUP . 64
11.9.8 QUERY INSTANCE GROUP 1 . 65
11.9.9 QUERY INSTANCE GROUP 2 . 65
11.9.10 QUERY EVENT SCHEME . 65
11.9.11 QUERY INPUT VALUE . 65
11.9.12 QUERY INPUT VALUE LATCH . 65
11.9.13 QUERY EVENT PRIORITY . 65
11.9.14 QUERY FEATURE TYPE . 65
11.9.15 QUERY NEXT FEATURE TYPE . 66
11.9.16 QUERY EVENT FILTER 0-7 . 66
11.9.17 QUERY EVENT FILTER 8-15 . 66
11.9.18 QUERY EVENT FILTER 16-23 . 66
11.9.19 QUERY INSTANCE CONFIGURATION (DTR0) . 66
11.9.20 QUERY AVAILABLE INSTANCE TYPES . 67
11.10 Special commands. 67
11.10.1 General . 67
11.10.2 TERMINATE . 67
11.10.3 INITIALISE (device) . 67
11.10.4 RANDOMISE . 67
11.10.5 COMPARE . 68
11.10.6 WITHDRAW . 68
11.10.7 SEARCHADDRH (data) . 68
11.10.8 SEARCHADDRM (data). 68
11.10.9 SEARCHADDRL (data) . 69
11.10.10 PROGRAM SHORT ADDRESS (data) . 69
11.10.11 VERIFY SHORT ADDRESS (data) . 69
11.10.12 QUERY SHORT ADDRESS. 69

– 6 – IEC 62386-103:2022 CMV © IEC 2022
11.10.13 WRITE MEMORY LOCATION (DTR1, DTR0, data) . 69
11.10.14 WRITE MEMORY LOCATION – NO REPLY (DTR1, DTR0, data) . 70
11.10.15 DTR0 (data) . 70
11.10.16 DTR1 (data) . 70
11.10.17 DTR2 (data) . 70
11.10.18 DIRECT WRITE MEMORY (DTR1, offset, data) . 70
11.10.19 DTR1:DTR0 (data1, data0) . 70
11.10.20 DTR2:DTR1 (data2, data1) . 71
11.10.21 SEND TESTFRAME (data) . 71
12 Test procedures .
12.1 General notes on test .
12.2 Preamble.
12.3 Physical operational parameters .
12.4 Device configuration instructions .
12.5 Device queries .
12.6 Device Memory banks .
12.7 Device Special commands .
12.8 Logical unit cross contamination .
12.9 Instance addressing.
12.10 Instance configuration instructions .
12.11 Instance queries .
12.12 Instance cross contamination .
12.13 Reserved Commands.
12.14 General subsequences .

Bibliography . 73
List of comments . 74

Figure 1 – IEC 62386 graphical overview . 12
Figure 2 – Current rating test .

Table 1 – 24-bit command frame encoding . 18
Table 2 – Instance byte in a command frame . 18
Table 3 – 24-bit event message frame encoding . 19
Table 4 – Instance types . 22
Table 5 – Feature types. 23
Table 6 – Instance group variables . 23
Table 7 – Device address information in power cycle event . 25
Table 8 – Event addressing schemes . 25
Table 9 – Signal level (~50%) versus resolution and input value Measured value (≈
50 %) versus resolution and “inputValue” . 27
Table 10 – Example of querying sequence to read a 4-byte input value . 27
Table 11 – Memory types . 31
Table 12 – Basic memory map of memory banks . 31
Table 13 – Memory map of memory bank 0 . 36
Table 14 – Memory map of memory bank 1 . 38

Table 15 – Control device capabilities . 43
Table 16 – Control device status . 44
Table 17 – Instance status. 44
Table 18 – Current bus unit configuration . 45
Table 19 – Declaration of device variables . 46
Table 20 – Declaration of instance variables . 47
Table 21 – Instance event messages . 47
Table 22 – Device event messages . 48
Table 23 – Standard commands . 49
Table 24 – Special commands (implemented by both application controller and input
device) . 53
Table 25 – Device addressing with "INITIALISE (device)" . 67
Table 24 – Unexpected outcome .
Table 25 – Parameters for test sequence Check Factory Default 103 .
Table 26 – Parameters for test sequence CheckFactoryDefault103PerLogicalUnit .
Table 27 – Parameters for test sequence Transmitter bit timing .
Table 28 – Parameters for test sequence Maximum and minimum system voltage .
Table 29 – Parameters for test sequence Transmitter voltages .
Table 30 – Parameters for test sequence Transmitter rising and falling edges .
Table 31 – Parameters for test sequence Transmitter bit timing .
Table 32 – Parameters for test sequence Receiver frame timing .
Table 33 – Parameters for test sequence Receiver start-up behavior .
Table 34 – Parameters for test sequence Receiver bit timing .
Table 35 – Parameters for test sequence extended receiver bit timing .
Table 36 – Parameters for test sequence Receiver frame violation and recovering after
frame size violation .
Table 37 – Parameters for test sequence Receiver frame timing .
Table 38 – Parameters for test sequence transmitter collision avoidance by priority .
Table 39 – Parameters for test sequence transmitter collision detection for truncated
idle phase .
Table 40 – Parameters for test sequence transmitter collision detection for extended
active phase .
Table 41 – Parameters for test sequence RESET instance groups .
Table 42 – Parameters for test sequence Send twice timeout (device) .
Table 43 – Parameters for test sequence Send twice timeout (instance) .
Table 44 – Parameters for test sequence Commands in-between (device) .
Table 45 – Parameters for test sequence Commands in-between .
Table 46 – Parameters for test sequence SET SHORT ADDRESS .
Table 47 – Parameters for test sequence Reset/Power-on values (device) .
Table 48 – Parameters for test sequence Reset/Power-on values (instance) .
Table 49 – Parameters for test sequence DTR0 / DTR1 / DTR2 .
Table 50 – Parameters for test sequence DTR1:DTR0 and DTR2:DTR1 .
Table 51 – Parameters for test sequence READ MEMORY LOCATION on Memory
Bank 0 .

– 8 – IEC 62386-103:2022 CMV © IEC 2022
Table 52 – Parameters for test sequence READ MEMORY LOCATION on Memory
Bank 1 .
Table 53 – Parameters for test sequence Memory bank writing .
Table 54 – Parameters for test sequence ENABLE WRITE MEMORY: writeEnableState .
Table 55 – Parameters for test sequence ENABLE WRITE MEMORY: timeout /
command in-between .
Table 56 – Parameters for test sequence RESET MEMORY BANK: timeout / command
in-between .
Table 57 – Parameters for test sequence RESET MEMORY BANK .
Table 58 – Parameters for test sequence INITIALISE - device addressing.
Table 59 – Parameters for test sequence COMPARE .
Table 60 – Parameters for test sequence WITHDRAW .
Table 61 – Parameters for test sequence PROGRAM SHORT ADDRESS .
Table 62 – Parameters for test sequence VERIFY SHORT ADDRESS .
Table 63 – Parameters for test sequence QUERY SHORT ADDRESS .
Table 64 – Parameters for test sequence IDENTIFY DEVICE .
Table 65 – Parameters for test sequence Addressing 2 .
Table 66 – Parameters for test sequence Reserved commands: standard device
commands .
Table 67 – Parameters for test sequence Reserved instance commands (instance
type 0) .
Table 68 – Parameters for test sequence Reserved special commands .

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
DIGITAL ADDRESSABLE LIGHTING INTERFACE –

Part 103: General requirements –
Control devices
FOREWORD
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This commented version (CMV) of the official standard IEC 62386-103:2022 edition 2.0
allows the user to identify the changes made to the previous IEC 62386-103:2014+
AMD1:2018 CSV edition 1.1. Furthermore, comments from IEC TC 34 experts are
provided to explain the reasons of the most relevant changes, or to clarify any part of
the content.
A vertical bar appears in the margin wherever a change has been made. Additions are in
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This publication contains the CMV and the official standard. The full list of comments is
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– 10 – IEC 62386-103:2022 CMV © IEC 2022
IEC 62386-103 has been prepared by IEC technical committee 34: Lighting. It is an
International Standard.
This second edition cancels and replaces the first edition published in 2014 and
Amendment 1:2018. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) the scope has been updated;
b) quiescent mode has been updated;
c) non-volatile memory (NVM) save time has been added, and SAVE PERSISTENT
VARIABLES command removed;
d) memory bank 0 has been modified, and common memory bank requirements have been
added;
e) IDENTIFY DEVICE has been updated;
f) version number has been changed;
g) bus unit configuration has been added; and
h) instance types and configuration have been added.
The text of this International Standard is based on the following documents:
Draft Report on voting
34/946/FDIS 34/990/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement,
available at www.iec.ch/members_experts/refdocs. The main document types developed by
IEC are described in greater detail at www.iec.ch/standardsdev/publications.
This Part 103 of IEC 62386 is intended to be used in conjunction with Part 101, which
contains general requirements for the relevant product type (system), and with the appropriate
Parts 3xx (particular requirements for control devices) containing clauses to supplement or
modify the corresponding clauses in Part 101 and Part 103 in order to provide the relevant
requirements for each type of product.
A list of all parts in the IEC 62386 series, published under the general title Digital addressable
lighting interface, can be found on the IEC website.

The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The "colour inside" logo on the cover page of this document 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.

– 12 – IEC 62386-103:2022 CMV © IEC 2022
INTRODUCTION
IEC 62386 contains several parts, referred to as series. The IEC 62386 series specifies a bus
system for control by digital signals of
...

IEC 62386-103 ®
Edition 2.0 2022-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Digital addressable lighting interface –
Part 103: General requirements – Control devices

Interface d'éclairage adressable numérique –
Partie 103: Exigences générales – Dispositifs de commande

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
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IEC 62386-103 ®
Edition 2.0 2022-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Digital addressable lighting interface –

Part 103: General requirements – Control devices

Interface d'éclairage adressable numérique –

Partie 103: Exigences générales – Dispositifs de commande

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 29.140.50; 29.140.99 ISBN 978-2-8322-5966-5

– 2 – IEC 62386-103:2022 © IEC 2022
CONTENTS
FOREWORD . 7
INTRODUCTION . 9
1 Scope . 11
2 Normative references . 11
3 Terms and definitions . 11
4 General . 14
4.1 General . 14
4.2 Version number . 14
5 Electrical specification . 15
6 Bus power supply . 15
7 Transmission protocol structure . 15
7.1 General . 15
7.2 24-bit forward frame encoding . 15
7.2.1 Frame format for instructions and queries . 15
7.2.2 Frame format for event messages. 17
8 Timing . 18
9 Method of operation . 18
9.1 General . 18
9.2 Device features . 18
9.3 Application controller . 18
9.3.1 General . 18
9.3.2 Single-master application controller . 19
9.3.3 Multi-master application controller . 19
9.4 Input device . 20
9.5 Instances of input devices . 20
9.5.1 General . 20
9.5.2 Instance number . 20
9.5.3 Instance type . 20
9.5.4 Instance features . 20
9.5.5 Instance groups . 21
9.6 Commands excluding event messages . 21
9.6.1 General . 21
9.6.2 Device commands . 22
9.6.3 Instance commands . 22
9.6.4 Feature commands . 22
9.7 Event messages . 23
9.7.1 Response to event messages . 23
9.7.2 Device power cycle event . 23
9.7.3 Input notification event . 23
9.7.4 Event message filter . 24
9.8 Input signal, measured value and “inputValue” . 24
9.8.1 General . 24
9.8.2 Input resolution . 24
9.8.3 Getting the input value . 25
9.8.4 Notification of changes . 26

9.9 System failure . 26
9.10 Operating a control device . 26
9.10.1 Enable/disable the application controller . 26
9.10.2 Application controller always active . 26
9.10.3 Enable/disable event messages . 27
9.10.4 Quiescent mode . 27
9.10.5 Modes of operation . 27
9.11 Memory banks . 28
9.11.1 General . 28
9.11.2 Memory map . 29
9.11.3 Selecting a memory bank location . 30
9.11.4 Protectable memory locations . 30
9.11.5 Memory bank reading . 30
9.11.6 Memory bank writing . 32
9.11.7 Memory bank 0 . 33
9.11.8 Memory bank 1 (optional) . 36
9.11.9 Manufacturer-specific memory banks . 37
9.11.10 Reserved memory banks . 37
9.12 Reset . 38
9.12.1 Reset operation . 38
9.12.2 Reset memory bank operation . 38
9.13 Power on behaviour . 38
9.13.1 Power on . 38
9.13.2 Power cycle notification . 39
9.14 Priority use . 39
9.14.1 General . 39
9.14.2 Priority of input notifications . 39
9.15 Assigning short addresses . 40
9.15.1 General . 40
9.15.2 Random address allocation . 40
9.15.3 Identification of a device . 40
9.16 Exception handling . 41
9.17 Device capabilities and status information . 41
9.17.1 Device capabilities . 41
9.17.2 Device status . 41
9.17.3 Instance status . 42
9.18 Non-volatile memory . 42
9.19 Instance types and configuration . 42
9.20 Current bus unit configuration . 43
10 Declaration of variables . 43
11 Definition of commands . 45
11.1 General . 45
11.2 Overview sheets . 45
11.3 Event messages . 52
11.3.1 INPUT NOTIFICATION (device/instance, event) . 52
11.3.2 POWER NOTIFICATION (device) . 52
11.4 Device control instructions . 52
11.4.1 General . 52
11.4.2 IDENTIFY DEVICE . 52

– 4 – IEC 62386-103:2022 © IEC 2022
11.4.3 RESET POWER CYCLE SEEN . 53
11.5 Device configuration instructions. 53
11.5.1 General . 53
11.5.2 RESET . 53
11.5.3 RESET MEMORY BANK (DTR0) . 54
11.5.4 SET SHORT ADDRESS (DTR0) . 54
11.5.5 ENABLE WRITE MEMORY . 54
11.5.6 ENABLE APPLICATION CONTROLLER . 54
11.5.7 DISABLE APPLICATION CONTROLLER . 54
11.5.8 SET OPERATING MODE (DTR0) . 54
11.5.9 ADD TO DEVICE GROUPS 0-15 (DTR2:DTR1) . 55
11.5.10 ADD TO DEVICE GROUPS 16-31 ( DTR2:DTR1 ) . 55
11.5.11 REMOVE FROM DEVICE GROUPS 0-15 (DTR2:DTR1) . 55
11.5.12 REMOVE FROM DEVICE GROUPS 16-31 (DTR2:DTR1) . 55
11.5.13 START QUIESCENT MODE . 55
11.5.14 STOP QUIESCENT MODE . 55
11.5.15 ENABLE POWER CYCLE NOTIFICATION . 55
11.5.16 DISABLE POWER CYCLE NOTIFICATION . 55
11.5.17 SET EVENT PRIORITY (DTR0) . 55
11.6 Device queries . 56
11.6.1 General . 56
11.6.2 QUERY DEVICE CAPABILITIES . 56
11.6.3 QUERY DEVICE STATUS . 56
11.6.4 QUERY APPLICATION CONTROLLER ERROR . 56
11.6.5 QUERY INPUT DEVICE ERROR . 56
11.6.6 QUERY MISSING SHORT ADDRESS . 57
11.6.7 QUERY VERSION NUMBER . 57
11.6.8 QUERY CONTENT DTR0 . 57
11.6.9 QUERY NUMBER OF INSTANCES . 57
11.6.10 QUERY CONTENT DTR1 . 57
11.6.11 QUERY CONTENT DTR2 . 57
11.6.12 QUERY RANDOM ADDRESS (H) . 57
11.6.13 QUERY RANDOM ADDRESS (M) . 57
11.6.14 QUERY RANDOM ADDRESS (L) . 57
11.6.15 READ MEMORY LOCATION (DTR1, DTR0) . 57
11.6.16 QUERY APPLICATION CONTROLLER ENABLED . 58
11.6.17 QUERY OPERATING MODE . 58
11.6.18 QUERY MANUFACTURER SPECIFIC MODE . 58
11.6.19 QUERY QUIESCENT MODE . 58
11.6.20 QUERY DEVICE GROUPS 0-7 . 58
11.6.21 QUERY DEVICE GROUPS 8-15 . 58
11.6.22 QUERY DEVICE GROUPS 16-23 . 58
11.6.23 QUERY DEVICE GROUPS 24-31 . 58
11.6.24 QUERY POWER CYCLE NOTIFICATION . 58
11.6.25 QUERY EXTENDED VERSION NUMBER(DTR0) . 58
11.6.26 QUERY RESET STATE . 59
11.6.27 QUERY APPLICATION CONTROLLER ALWAYS ACTIVE . 59
11.6.28 QUERY FEATURE TYPE . 59
11.6.29 QUERY NEXT FEATURE TYPE . 59

11.6.30 QUERY EVENT PRIORITY . 59
11.7 Instance control instructions . 59
11.8 Instance configuration instructions . 59
11.8.1 General . 59
11.8.2 ENABLE INSTANCE . 60
11.8.3 DISABLE INSTANCE . 60
11.8.4 SET PRIMARY INSTANCE GROUP (DTR0) . 60
11.8.5 SET INSTANCE GROUP 1 (DTR0) . 60
11.8.6 SET INSTANCE GROUP 2 (DTR0) . 60
11.8.7 SET EVENT SCHEME (DTR0) . 60
11.8.8 SET EVENT PRIORITY (DTR0) . 61
11.8.9 SET EVENT FILTER (DTR2:DTR1:DTR0). 61
11.8.10 SET INSTANCE TYPE (DTR0) . 61
11.8.11 SET INSTANCE CONFIGURATION (DTR0, DTR2:DTR1) . 61
11.9 Instance queries . 62
11.9.1 General . 62
11.9.2 QUERY INSTANCE TYPE . 62
11.9.3 QUERY RESOLUTION . 62
11.9.4 QUERY INSTANCE ERROR . 62
11.9.5 QUERY INSTANCE STATUS . 62
11.9.6 QUERY INSTANCE ENABLED . 62
11.9.7 QUERY PRIMARY INSTANCE GROUP . 62
11.9.8 QUERY INSTANCE GROUP 1 . 63
11.9.9 QUERY INSTANCE GROUP 2 . 63
11.9.10 QUERY EVENT SCHEME . 63
11.9.11 QUERY INPUT VALUE . 63
11.9.12 QUERY INPUT VALUE LATCH . 63
11.9.13 QUERY EVENT PRIORITY . 63
11.9.14 QUERY FEATURE TYPE . 63
11.9.15 QUERY NEXT FEATURE TYPE . 64
11.9.16 QUERY EVENT FILTER 0-7 . 64
11.9.17 QUERY EVENT FILTER 8-15 . 64
11.9.18 QUERY EVENT FILTER 16-23. 64
11.9.19 QUERY INSTANCE CONFIGURATION (DTR0) . 64
11.9.20 QUERY AVAILABLE INSTANCE TYPES . 65
11.10 Special commands . 65
11.10.1 General . 65
11.10.2 TERMINATE . 65
11.10.3 INITIALISE (device) . 65
11.10.4 RANDOMISE . 65
11.10.5 COMPARE . 66
11.10.6 WITHDRAW . 66
11.10.7 SEARCHADDRH (data) . 66
11.10.8 SEARCHADDRM (data) . 66
11.10.9 SEARCHADDRL (data) . 67
11.10.10 PROGRAM SHORT ADDRESS (data) . 67
11.10.11 VERIFY SHORT ADDRESS (data) . 67
11.10.12 QUERY SHORT ADDRESS . 67
11.10.13 WRITE MEMORY LOCATION (DTR1, DTR0, data) . 67

– 6 – IEC 62386-103:2022 © IEC 2022
11.10.14 WRITE MEMORY LOCATION – NO REPLY (DTR1, DTR0, data) . 68
11.10.15 DTR0 (data) . 68
11.10.16 DTR1 (data) . 68
11.10.17 DTR2 (data) . 68
11.10.18 DIRECT WRITE MEMORY (DTR1, offset, data) . 68
11.10.19 DTR1:DTR0 (data1, data0) . 68
11.10.20 DTR2:DTR1 (data2, data1) . 69
11.10.21 SEND TESTFRAME (data) . 69
Bibliography . 70

Figure 1 – IEC 62386 graphical overview . 9

Table 1 – 24-bit command frame encoding . 16
Table 2 – Instance byte in a command frame . 16
Table 3 – 24-bit event message frame encoding . 17
Table 4 – Instance types . 20
Table 5 – Feature types . 21
Table 6 – Instance group variables . 21
Table 7 – Device address information in power cycle event . 23
Table 8 – Event addressing schemes . 23
Table 9 – Measured value (≈ 50 %) versus resolution and “inputValue” . 25
Table 10 – Example of querying sequence to read a 4-byte input value . 25
Table 11 – Memory types . 29
Table 12 – Basic memory map of memory banks . 29
Table 13 – Memory map of memory bank 0 . 34
Table 14 – Memory map of memory bank 1 . 36
Table 15 – Control device capabilities . 41
Table 16 – Control device status . 42
Table 17 – Instance status . 42
Table 18 – Current bus unit configuration . 43
Table 19 – Declaration of device variables . 44
Table 20 – Declaration of instance variables . 45
Table 21 – Instance event messages . 45
Table 22 – Device event messages . 46
Table 23 – Standard commands . 47
Table 24 – Special commands (implemented by both application controller and input
device) . 51
Table 25 – Device addressing with "INITIALISE (device)" . 65

INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
DIGITAL ADDRESSABLE LIGHTING INTERFACE –

Part 103: General requirements –
Control devices
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,
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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.
IEC 62386-103 has been prepared by IEC technical committee 34: Lighting. It is an
International Standard.
This second edition cancels and replaces the first edition published in 2014 and
Amendment 1:2018. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) the scope has been updated;
b) quiescent mode has been updated;
c) non-volatile memory (NVM) save time has been added, and SAVE PERSISTENT
VARIABLES command removed;
d) memory bank 0 has been modified, and common memory bank requirements have been
added;
– 8 – IEC 62386-103:2022 © IEC 2022
e) IDENTIFY DEVICE has been updated;
f) version number has been changed;
g) bus unit configuration has been added; and
h) instance types and configuration have been added.
The text of this International Standard is based on the following documents:
Draft Report on voting
34/946/FDIS 34/990/RVD
Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
This document was drafted in accordance with ISO/IEC Directives, Part 2, and developed in
accordance with ISO/IEC Directives, Part 1 and ISO/IEC Directives, IEC Supplement,
available at www.iec.ch/members_experts/refdocs. The main document types developed by
IEC are described in greater detail at www.iec.ch/standardsdev/publications.
This Part 103 of IEC 62386 is intended to be used in conjunction with Part 101, which
contains general requirements for the relevant product type (system), and with the appropriate
Parts 3xx (particular requirements for control devices) containing clauses to supplement or
modify the corresponding clauses in Part 101 and Part 103 in order to provide the relevant
requirements for each type of product.
A list of all parts in the IEC 62386 series, published under the general title Digital addressable
lighting interface, can be found on the IEC website.
The committee has decided that the contents of this document will remain unchanged until the
stability date indicated on the IEC website under webstore.iec.ch in the data related to the
specific document. At this date, the document will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The "colour inside" logo on the cover page of this document 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.

INTRODUCTION
IEC 62386 contains several parts, referred to as series. The IEC 62386 series specifies a bus
system for control by digital signals of electronic lighting equipment. The IEC 62386-1xx
series includes the basic specifications. Part 101 contains general requirements for system
components, Part 102 extends this information with general requirements for control gear and
Part 103 extends it further with general requirements for control devices. Part 104 and
Part 105 can be applied to control gear or control devices. Part 104 gives requirements for
wireless and alternative wired system components. Part 105 describes firmware transfer.
Part 150 gives requirements for an auxiliary power supply which can be stand-alone, or built
into control gear or control devices.
The IEC 62386-2xx series extends the general requirements for control gear with lamp
specific extensions (mainly for backward compatibility with Edition 1 of IEC 62386) and with
control gear specific features.
The IEC 62386-3xx series extends the general requirements for control devices with input
device specific extensions describing the instance types as well as some common features
that can be combined with multiple instance types.
This second edition of IEC 62386-103 is intended to be used in conjunction with
IEC 62386-101 and with the various parts that make up the IEC 62386-3xx series of particular
requirements for control devices, and can be used together with IEC 62386-102 and with the
various parts that make up the IEC 62386-2xx series for control gear. The division into
separately published parts provides for ease of future amendments and revisions. Additional
requirements will be added as and when a need for them is recognised.
The setup of the standards is graphically represented in Figure 1 below.

Figure 1 – IEC 62386 graphical overview
When this part of IEC 62386 refers to any of the clauses of the other parts of the
IEC 62386-1xx series, the extent to which such a clause is applicable is specified. The other
parts also include additional requirements, as necessary.
All numbers used in this document are decimal numbers unless otherwise noted. Hexadecimal
numbers are given in the format 0xVV, where VV is the value. Binary numbers are given in
the format XXXXXXXXb or in the format XXXX XXXX, where X is 0 or 1, "x" in binary numbers
means "don't care".
– 10 – IEC 62386-103:2022 © IEC 2022
The following typographic expressions are used:
Variables: variableName or variableName[3:0], giving only bits 3 to 0 of variableName;
Range of values: [lowest, highest];
Command: "COMMAND NAME".
DIGITAL ADDRESSABLE LIGHTING INTERFACE –

Part 103: General requirements –
Control devices
1 Scope
This part of IEC 62386 is applicable to control devices for control by digital signals of
electronic lighting equipment.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements of this document. For dated references, only the edition
cited applies. For undated references, the latest edition of the referenced document (including
any amendments) applies.
IEC 62386-101:2022, Digital addressable lighting interface – Part 101: General requirements
– System components
IEC 62386-102:2022, Digital addressable lighting interface – Part 102: General requirements
– Control gear
IEC 62386-3xx (all parts), Digital addressable lighting interface – Part 3xx: Particular
requirements for control devices
3 Terms and definitions
For the purposes of this document, the terms and definitions given in IEC 62386-101 and the
following apply.
ISO and IEC maintain terminology databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1
broadcast
type of address used to simultaneously address all control devices in the system
3.2
broadcast unaddressed
type of address used to simultaneously address all control devices in the system that have no
short address
3.3
device command
command which addresses the control device and has a value of 0xFE in the instance byte of
the command frame but is not an event message

– 12 – IEC 62386-103:2022 © IEC 2022
3.4
device group
type of address used to address a group of control devices in the system at once
3.5
DTR
data transfer register
multipurpose register used to exchange data
3.6
event
instance report, characterized by its event number, of a change or a defined sequence of
changes of its input value
Note 1 to entry: The event number is specific to the type of instance that sends the report.
3.7
event scheme
characterisation of the information, as provided by an instance when producing an event
message, that identifies the source of the event
3.8
feature
optional extension at instance and/or device level
3.9
feature command
command which addresses one or more features of an input device or device instance and
has a value different from 0xFE in the instance byte of the command frame but is not an
instance command or an event message
3.10
GTIN
global trade item number
number used for the unique identification of trade items worldwide
Note 1 to entry: For further information see http://en.wikipedia.org/wiki/GTIN.
Note 2 to entry: The global trade item number is comprised of a GS1 or U.P.C. company prefix followed by an
item reference number and a check digit. It is described in the "GS1 General Specifications" (see [1]).
3.11
input signal
physical value that an instance of an input device is designed to detect and
...