IEC62386-101:2014标准 - 数字可寻址照明接口

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"IEC62386-101 Edition 2.0 - 2014.pdf 是一份国际电工委员会（IEC）的标准文档，主要关注数字可寻址照明接口（Digital Addressable Lighting Interface，简称DALI）的一部分——第101部分：通用要求——系统组件。这份标准规定了用于电气领域的标准化工作，旨在促进国际合作，确保在灯光控制系统中的互操作性和兼容性。" 本文档详细阐述了DALI灯光控制系统的通用要求和系统组件规范。DALI是一种先进的照明控制技术，允许用户对单个灯具进行独立的控制，实现精细化的照明管理。它常用于商业和工业环境，如办公室、零售商店和公共建筑，以提高能效并提供灵活的照明解决方案。 IEC62386-101标准是DALI协议的基础，它定义了系统中各组件之间的通信协议、信号规格、地址分配、命令集以及错误处理机制。以下是该标准的一些关键知识点： 1. **通信协议**：DALI使用两线总线系统，支持双向通信，允许控制器与灯具之间进行数据交换，实现开关、调光、场景设置等功能。 2. **地址系统**：每个DALI设备都有一个唯一的16位地址，可以控制多达64个独立的设备在同一网络上。 3. **命令集**：标准规定了一套标准的命令，包括开/关、调光、查询和配置设备参数等操作。 4. **设备类型**：DALI系统包含控制器（如调光器、传感器）、主控制器（Master Controller）和从属设备（如灯具）等不同角色的组件，每个设备都必须遵循标准规定的行为。 5. **故障检测和报告**：DALI设备能够检测和报告自身的状态，如灯具故障、电源问题或通信错误，增强了系统的可靠性。 6. **兼容性**：IEC62386标准确保了不同制造商的DALI设备能够无缝集成，促进了市场的竞争和创新。 7. **安全性和稳定性**：标准还涉及了电气安全和电磁兼容性（EMC）要求，以确保系统的稳定运行和用户安全。通过遵循IEC62386-101标准，设计者和制造商可以开发出符合全球电气标准的 DALI 灯光控制系统，从而提高产品的市场接受度和互操作性。这份标准对于理解和实施DALI控制系统至关重要，无论是对系统集成商、电气工程师还是照明设计师，都具有极高的参考价值。

– 14 – IEC 62386-101:2014 © IEC 2014

Note 1 to entry: Proprietary frames are intended for manufacturer-specific purposes

3.37

query

command transmitted to observe a variable in a bus unit

Note 1 to entry: A query can be followed by a backward frame.

3.38

receiver

part of a bus unit detecting and decoding frames on the bus

3.39

reserved

intended for future use by this standard

3.40

send-twice command

command transmitted by send-twice forward frames

Note 1 to entry: Refer to 9.3, Part 102, Part 103, Parts 2xx, and Parts 3xx of this standard for further details on

send-twice commands.

3.41

send-twice forward frame

forward frame that needs to be transmitted twice with a limited settling time in order to be

processed by the receiver

3.42

settling time

time during which the bus is in idle state after the last rising edge of one frame and before the

first falling edge of the next frame

3.43

single master application controller

application controller that is intended not to share the bus with other control devices

3.44

standard forward frame

forward frame as defined and described in this series of standards

3.45

system failure

bus power interruption longer than 550 ms

3.46

transaction

uninterruptible set of one or more consecutive forward frames transmitted from a single

control device, with zero or more backward frames

3.47

transmitter

part of a bus unit placing frames on the bus

3.48

voltage overshoot time

time per bit during which the voltage supplied by the bus power supply is above 20,5 V after a

transition from active state to idle state

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IEC 62386-101:2014 © IEC 2014 – 17 –

4.6 Bus units

Transmitters and receivers in bus units 4.6.1

Table 2 gives a short summary of the different receivers and transmitters in bus units.

Table 2 – Transmitters and receivers in bus units

Bus unit Receiver of Transmitter of

Control gear 16 bit forward frames

Backward frames, following the single master

timing requirements

Input device 24 bit forward frames

24 bit forward frames

Following the multi-

master timing

requirements

Backward frames

Multi-master application

controller

24 bit forward frames 24 bit forward frames

16 bit forward frames

Backward frames Backward frames

Single master application

controller

Backward frames

16 bit forward frames, following the single

master timing requirements

No collision detection or collision avoidance methods shall be applied to backward frame

transmissions.

Only applicable when the multi-master application controller is able to process 16 bit forward

frames transmitted by other application controllers.

Only required if the single master application controller uses addressing or queries.

A single master application controller can also send 24 bit frames if polling input devices.

Control gear 4.6.2

A control gear shall be conformant to this standard and to Part 102 and the applicable

Parts 2xx of IEC 62386.

It shall contain a receiver for 16-bit forward frames and a transmitter for transmitting backward

frames. The backward frame transmitter shall conform to the timing requirements for a single

master transmitter and shall not implement collision detection or recovery.

Input device 4.6.3

An input device shall be conformant to this standard and to Part 103 and the applicable

Parts 3xx of IEC 62386.

It shall contain a multi-master transmitter following the multi-master transmitter timing

requirements defined in 8.3 of this standard to transmit 24 bit forward frames. It shall also

contain a transmitter to transmit backward frames. The backward frame transmitter shall

conform to the timing requirements for a single master transmitter and shall not implement

collision detection or recovery.

NOTE Although they are logically distinct objects, the multi-master transmitter and the backward frame

transmitter can share the same hardware.

An input device shall contain a receiver to receive 24 bit forward frames transmitted by other

control devices.

Single master application controller 4.6.4

A single-master application controller shall be conformant to this standard and to Part 103 of

IEC 62386.

– 18 – IEC 62386-101:2014 © IEC 2014

It shall contain a transmitter following the transmitter timing requirements defined in 8.1 of this

standard.

NOTE 1 Typically, however, a single master application controller also contains a receiver to receive backward

frames transmitted by control gear.

A single-master application controller shall use the commands defined in Part 102 and, if

applicable, Parts 2xx of IEC 62386 to communicate with control gear.

NOTE 2 The control methods and algorithms of an application controller used for lighting control are not in the

scope of IEC 62386.

NOTE 3 A single master application controller can share the bus with input devices with event messages

disabled. See Part 103 for further information on input devices.

Multi-master application controller 4.6.5

A multi-master application controller shall be conformant to this standard and to Part 103 of

IEC 62386.

It shall contain a multi-master transmitter following the multi-master transmitter timing

requirements defined in 8.3 of this standard. It shall contain a receiver to receive backward

frames as well as forward frames transmitted by other control devices.

A multi-master application controller shall use the commands defined in Part 102 and, if

applicable, Parts 2xx of IEC 62386 to communicate with control gear. It shall use the

commands defined in Part 103 and, if applicable, Parts 3xx of IEC 62386 to communicate with

control devices.

NOTE 1 A multi-master application controller can also receive and process 16 bit forward frames transmitted by

other application controllers and/or react to queries.

NOTE 2 The control methods and algorithms of an application controller used for lighting control are not in the

scope of IEC 62386.

NOTE 3 The standardisation of data exchange between different application controllers sharing the same bus is

not in the scope of IEC 62386.

Sharing an interface 4.6.6

More than one logical unit may share one physical interface. Figure 4 shows an example

where n logical units and a bus power supply share the physical interface.

Figure 4 – Example of a shared interface

IEC

Physical device

Interface

Bus unit

Logical unit 1

Application

controller

Logical unit 2

Input

device

Bus power

supply

Logical unit n

Input

device

...

Receiver Transmitter

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