{"id":5673843,"date":"2025-08-25T09:08:16","date_gmt":"2025-08-25T09:08:16","guid":{"rendered":"https:\/\/teamtronic.dk\/?p=5673843"},"modified":"2026-04-24T11:20:44","modified_gmt":"2026-04-24T11:20:44","slug":"forskel-paa-dali-og-dali-2","status":"publish","type":"post","link":"https:\/\/teamtronic.dk\/en\/forskel-paa-dali-og-dali-2\/","title":{"rendered":"The difference between DALI and DALI-2 lies in a few key areas, primarily concerning the protocol's evolution and its implications for practical use.\n\n**DALI (Digital Addressable Lighting Interface)** is the original standard for digital lighting control. It allows for individual control of luminaires and groups of luminaires from a central control system.\n\n**DALI-2** is an updated and improved version of the DALI protocol. It builds upon the original DALI standard with several enhancements.\n\nHere are the main differences:\n\n* **Certification and Interoperability:**\n * **DALI:** Devices were often advertised as \"DALI-compatible.\" However, there wasn't a strict certification program, which could sometimes lead to interoperability issues between products from different manufacturers.\n * **DALI-2:** This version mandates a rigorous certification process managed by the DALI Alliance. This ensures that all DALI-2 certified devices from different manufacturers will work together seamlessly. This is a significant improvement for system integrators and end-users.\n\n* **Functionality:**\n * **DALI:** Primarily focused on controlling light output (dimming) and on\/off switching.\n * **DALI-2:** Extends the capabilities to include more advanced functionalities and device types. This includes:\n * **Sensors:** DALI-2 officially incorporates the control of various sensors, such as occupancy sensors and daylight sensors, directly within the DALI network. These sensors can feed information back to the DALI system for more intelligent control.\n * **Emergency Lighting:** Specific protocols for DALI-2 emergency lighting systems are defined, allowing for better monitoring and control.\n * **Tunable White and Colour Control:** While some DALI devices offered this, DALI-2 provides a more structured and standardised approach to controlling tunable white (colour temperature) and RGB colour.\n * **More Complex Commands:** DALI-2 offers a richer set of commands for more sophisticated control scenarios.\n\n* **Protocol Enhancements:**\n * **DALI:** The original protocol had some ambiguities and limitations.\n * **DALI-2:** The specification has been refined and clarified, addressing these issues and providing a more robust and flexible protocol. This includes aspects like device querying and data reporting.\n\n* **\"Arc\" Commands:**\n * **DALI:** Had a set of commands denoted as \"arc\" commands.\n * **DALI-2:** Standardises all commands under the DALI-2 umbrella, eliminating the need for separate \"arc\" considerations.\n\n**What does this mean in practice?**\n\n* **For System Integrators\/Installers:**\n * **Guaranteed Interoperability:** The biggest practical benefit of DALI-2 is the certainty that devices from different manufacturers will work together as expected. This reduces troubleshooting time and complexity during installation.\n * **Wider Range of Devices:** The expanded functionality means integrators can use a single DALI-2 system to control not just lights but also integrate sensors for automatic dimming or shut-off, leading to more energy-efficient and feature-rich lighting solutions.\n * **Easier System Design:** The standardised nature of DALI-2 simplifies the planning and design phase, as the behaviour of devices is more predictable.\n\n* **For End-Users\/Building Owners:**\n * **Reliability and Performance:** The certification ensures a higher level of reliability and consistent performance for the lighting system.\n * **Future-Proofing:** DALI-2 systems are more likely to be compatible with future technologies and devices, offering better long-term investment protection.\n * **Enhanced User Experience:** With the integration of sensors and more sophisticated control options, users can benefit from lighting that automatically adjusts to occupancy and natural light levels, improving comfort and saving energy.\n * **Simplified Maintenance:** The improved interoperability and standardised diagnostics can make maintenance and troubleshooting more straightforward.\n\nIn summary, DALI-2 represents a significant evolution of the DALI protocol, focusing on enhanced interoperability through certification, expanded functionality, and a more robust and refined specification. This translates into more reliable, flexible, and feature-rich lighting control systems for both installers and end-users."},"content":{"rendered":"
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What is the difference between DALI and DALI-2?<\/strong><\/h1>\n\t\r\n<\/div><\/div><\/div><\/div><\/div>
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If you work with professional lighting control, you've no doubt come across the terms DALI and DALI-2. But what's the difference and which should you choose for your next project?<\/p>\n

In this post, we'll go through the differences - both technical and practical - so you can make the right choice, whether you're facing a new installation or upgrade.<\/p>\n\t\r\n<\/div><\/div><\/div><\/div><\/div>

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Reference: Broskolen in Aarslev (left) and Kompan's office building (right)<\/em><\/p>\n\t\r\n<\/div><\/div><\/div><\/div>

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In a nutshell: What is DALI and DALI-2?<\/strong><\/h2>\n\t\r\n<\/div><\/div><\/div><\/div><\/div>
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DALI<\/strong> stands for Digital Addressable Lighting Interface<\/em> and is a standardised protocol for digital lighting control. The protocol was originally developed in the early 2000s and has since been the preferred solution in many lighting projects.<\/p>\n

DALI-2<\/strong> is the updated version that was introduced in 2014 and subsequently further developed. It aims to address the weaknesses experienced with the original DALI standard - for example, by ensuring better compatibility and supporting more functions.<\/p>\n\t\r\n<\/div><\/div><\/div><\/div><\/div>

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5 key differences between DALI and DALI-2<\/strong><\/h2>\n\t\r\n<\/div><\/div><\/div><\/div><\/div>
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Input devices (sensors and pressure)<\/strong><\/h3>\n\t\r\n<\/div>
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DALI:<\/strong> Only supports control of luminaires.<\/p>\n

DALI-2:<\/strong> Also supports input devices such as motion sensors, push buttons and light meters directly on the bus.<\/p>\n

This means that with DALI-2 you can set up intelligent scenarios and automatic lighting control without the need for external systems.<\/p>\n\t\r\n<\/div>

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Interoperability and certification<\/strong><\/h3>\n\t\r\n<\/div>
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DALI:<\/strong> No forced certification - manufacturers could interpret the standard differently.<\/p>\n

DALI-2:<\/strong> Mandatory third-party testing and certification via DiiA (Digital Illumination Interface Alliance<\/a>).<\/p>\n

This makes DALI-2 much more reliable and future-proof as different components work better together.<\/p>\n

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Diagnostics and monitoring<\/strong><\/h3>\n\t\r\n<\/div>
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DALI:<\/strong> Limited troubleshooting and monitoring capabilities.<\/p>\n

DALI-2:<\/strong> Supports energy consumption measurement, error messages and status information from luminaires.<\/p>\n

This makes it easier to keep an eye on operations and energy consumption - especially in larger buildings like office buildings or educational institutions. (link to new landing pages when they go live)<\/p>\n\t\r\n<\/div>

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Features and flexibility<\/strong><\/h3>\n\t\r\n<\/div>
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DALI-2<\/strong> supports advanced features like dynamic scenes, flexible group management and more complex programming.<\/p>\n

This makes it possible to tailor the lighting exactly to the needs of the building.<\/span><\/p>\n\t\r\n<\/div>

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DALI-2 is also a future-proof solution, as it is the only standard that is updated and further developed.<\/div>\n\t\r\n<\/div><\/div><\/div><\/div><\/div>
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DALI-2 is selected exclusively today<\/strong><\/h2>\n\t\r\n<\/div>
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When:<\/p>\n