Artistic License Dali-Scope Panduan Pengguna - Halaman 4

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Product Overview

Dali-Scope is a hand-held, easy-to-use

DALI commissioning tool. It is capable of

performing auto-discovery, commissioning,

programming, channel, group and scene

assignments, test and analysis functions.

DALI Background

DALI was created to provide central control

over fixtures, enabling commercial lighting

to become more efficient. While the initial

development focused on fluorescent ballasts,

applications now encompass a range of

devices such as LED drivers, HID and low-

voltage halogen. In the future, the scope will

include rotaries, light sensors and more.

DALI stands for Digital Addressable Lighting

Interface. It is technically managed under IEC

62386.

System

There are four main components required for

a DALI subnet or circuit.

1. A DALI controller (may be a gateway, hub

or router)

2. A DALI Bus Power Supply (e.g. the Artistic

Licence Rail-PSU-D4)

3. Some kind of DALI device

4. Cabling

The system pictured opposite can be

considered one subnet of DALI.

y A DALI subnet can have up to 64 DALI

devices/ballasts

y A DALI Bus PSU must always be present

on each DALI subnet

y Each device has a short address (0 to 63)

y There should be no duplicate short

addresses

y Each device can be assigned to any of the

16 groups

y Each device can have 16 scenes

programmed into its memory

Dali-Scope User Guide

DALI Controller

DALI Bus PSU

Device

Commissioning

All DALI devices need to be commissioned for

the first time before they will work correctly.

This requires specialised equipment, such as

the Artistic Licence Dali-Scope.

Commissioning involves giving every DALI

device a unique short address. This is to

allow two-way communication between the

controller and devices.

DALI devices contain a random number

generator that enables them to be individually

discovered during commissioning. After the

commissioning tool performs the discovery

stage, it sequentially assigns individual

short addresses to each device on the DALI

subnet. At the end of the process, the devices'

short-addresses can be reprogrammed if

required to achieve a more logical order. (The

commissioning tool will normally identify the

ballast to be reprogrammed by switching it on

or off).

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