IEC 62386-101:2022 PDF

Digital addressable lighting interface - Part 101: General requirements - System components

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Title (English):

IEC 62386-101:2022

Digital addressable lighting interface - Part 101: General requirements - System components

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 128
Publication date:: November 16, 2022
Edition:: IEC IS 62386 edition 3 version 1
ICS:: 29.140.50

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Description (English):

IEC 62386-101:2022 is applicable to system components in a bus system for control by digital signals of electronic lighting equipment. The control methods, algorithms and data exchange methods of application controllers used for lighting control are not within the scope of the IEC 62386 series. EMC requirements are not within the scope of the IEC 62386 series. This third edition cancels and replaces the second 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; safety and earthing have been updated and extended; references have been updated; the use of bus-power and external-power has been clarified; polarity sensitivity for bus units including a bus power supply has been updated; frame sizes of 32 bits are no longer reserved.

Technical details

Technical committee: TC 34 - Lighting
SKU: IEC 62386-101:2022

Abstract

Overview

IEC 62386-101:2022 - part of the IEC 62386 series for the Digital Addressable Lighting Interface (DALI) - specifies general requirements for system components in a bus system used to control electronic lighting equipment by digital signals. This third edition (2022) updates scope, safety and earthing, bus-power vs external-power rules, polarity sensitivity for bus units that include bus power supplies, and frame size reservations (32-bit frames are no longer reserved). The standard does NOT cover application controller control algorithms or EMC requirements.

Key topics and technical requirements

Scope and system architecture: Defines bus units, single-master and multi‑master controllers, input devices, and sharing of interfaces.
Electrical safety and earthing: Updated requirements for insulation, electric strength and touch current limitations, and guidance on earthing the bus.
Bus power supply: Requirements for marking, voltage and current ratings, dynamic behavior, timing, short‑circuit behavior and how multiple or integrated bus power supplies interact.
Signal and interface specifications: Marking, capacitors between interface and earth, signal voltage/current ratings, and polarity sensitivity for bus-powered units.
Transmission protocol and frame structure: Frame types, bit encoding, start/stop encoding and the removal of reserved 32‑bit frame sizes.
Timing and collision handling: Detailed timing for transmitters and receivers (single- and multi‑master), collision avoidance/detection/recovery, receiver timing violations and sequence timing.
Operational rules: How frames and commands are processed, transactions, send‑twice frames, command iteration and shared-interface usage.
Testing & annexes: Test procedures plus informative annexes on wiring, system architectures, collision detection, current calculations, communication layers and touch current.

Applications and who uses it

IEC 62386-101 is essential for:

Lighting control manufacturers (DALI bus units, power supplies, control gear) designing compliant devices.
System integrators and lighting designers specifying reliable, interoperable DALI installations.
Test laboratories and certification bodies validating electrical safety, bus power behavior and protocol conformity.
Installers and facility managers needing guidance on wiring, earthing and bus power planning.

This standard ensures interoperability and safe operation of digital lighting bus systems, enabling predictable behavior across multi‑vendor DALI installations.

Related standards

Other parts of the IEC 62386 series (device type parts and application-level specifications) complement Part 101. Note: EMC and application-controller algorithms are intentionally outside the scope of this part.

Keywords: IEC 62386-101, DALI, digital addressable lighting interface, bus power supply, lighting control, bus units, transmission protocol, timing, safety, earthing.

Related standards

Mentioned in the description and other IEC standards

Abstract

Overview

Key topics and technical requirements

Scope and system architecture: Defines bus units, single-master and multi‑master controllers, input devices, and sharing of interfaces.
Electrical safety and earthing: Updated requirements for insulation, electric strength and touch current limitations, and guidance on earthing the bus.
Bus power supply: Requirements for marking, voltage and current ratings, dynamic behavior, timing, short‑circuit behavior and how multiple or integrated bus power supplies interact.
Signal and interface specifications: Marking, capacitors between interface and earth, signal voltage/current ratings, and polarity sensitivity for bus-powered units.
Transmission protocol and frame structure: Frame types, bit encoding, start/stop encoding and the removal of reserved 32‑bit frame sizes.
Timing and collision handling: Detailed timing for transmitters and receivers (single- and multi‑master), collision avoidance/detection/recovery, receiver timing violations and sequence timing.
Operational rules: How frames and commands are processed, transactions, send‑twice frames, command iteration and shared-interface usage.
Testing & annexes: Test procedures plus informative annexes on wiring, system architectures, collision detection, current calculations, communication layers and touch current.

Applications and who uses it

IEC 62386-101 is essential for:

Lighting control manufacturers (DALI bus units, power supplies, control gear) designing compliant devices.
System integrators and lighting designers specifying reliable, interoperable DALI installations.
Test laboratories and certification bodies validating electrical safety, bus power behavior and protocol conformity.
Installers and facility managers needing guidance on wiring, earthing and bus power planning.

This standard ensures interoperability and safe operation of digital lighting bus systems, enabling predictable behavior across multi‑vendor DALI installations.

Related standards

Other parts of the IEC 62386 series (device type parts and application-level specifications) complement Part 101. Note: EMC and application-controller algorithms are intentionally outside the scope of this part.

Keywords: IEC 62386-101, DALI, digital addressable lighting interface, bus power supply, lighting control, bus units, transmission protocol, timing, safety, earthing.

IEC 62386-101:2022 PDF

Technical details

Abstract

Overview

Key topics and technical requirements

Applications and who uses it

Related standards

Related standards

Abstract

Overview

Key topics and technical requirements

Applications and who uses it

Related standards

Related standards

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