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.cIntroduction: <strong>DALI</strong> standardIntroduction: <strong>DALI</strong> standardHistoryThe agreement by the lighting industry to adopt a common protocol for digital addressable control of luminaires hasopened up a virtually unlimited number of options for regulating artificial lighting in all applications. This commonprotocol is the <strong>DALI</strong> protocol (Digital Addressable Lighting Interface), which has now been internationally standardisedthrough the IEC.With the right choice of individual <strong>DALI</strong> components an extremely wide range of requirements can be met, fromoperating the lighting system from a simple light switch to lighting management systems for entire office complexeswith thousands of light sources. The new standardisation means that there are no longer any restrictions on theapplication of this technology. Any light source, including incandescent lamps, fluorescent lamps, high-intensitydischarge lamps and even LEDs, can be controlled irrespective of whether they are installed in an office, a restaurantor a street light.The <strong>DALI</strong> system is based on simplicity of operation. However the demands on electrical system designers andelectricians have increased enormously.The purpose of this technical <strong>manual</strong> is to describe how the <strong>DALI</strong> system components offered by <strong>Tridonic</strong> operate andillustrate their functionality by looking at how they can be used in actual practice.<strong>DALI</strong> stands for “Digital Addressable Lighting Interface” and is an interface protocol for digital communication betweenelectronic lighting equipment (electronic ballasts, transformers, etc.).The <strong>DALI</strong> standard was developed by <strong>Tridonic</strong> together with renowned manufacturers of operating and controlequipment. Today, these manufacturers belong to the <strong>DALI</strong> Activity Group which promotes the use of <strong>DALI</strong> andsafeguards its further development.The <strong>DALI</strong> standard was defined in EN 60929 Annex E until 2009 but is now defined in IEC 62386. This standard alsodescribes the differences between the various types of device. As a result, long-term compatibility amongmanufacturers is guaranteed and the <strong>DALI</strong> standard is ensured a secure future. In addition, compatibility betweenproducts from different manufacturers is supported by a test procedure standardised by the <strong>DALI</strong> Activity Group. Allproducts that carry the logo of the <strong>DALI</strong> Activity Group have successfully passed this standardised test. <strong>Tridonic</strong>products meet these requirements in full.<strong>DALI</strong> Manual | 08-2013 | en4 / 93
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