DALI-2 is an upgraded version of DALI-1. DALI-2 has been adjusted and optimized for the following contents.

1. More precise specification of electrical tolerances and restructuring of specification make DALI-2 less risk for

malfunctions and increased data accuracy.

2. DALI-2 added 14 new commands/features and removed 1 command. The most important one is extended   
fade time, the range is from 0.1 second to 16 minutes.

3. DALI-2 optimizes its communication sequence between application controller, input device and control gear,
 allowing devices from different manufacturers to work together on the same DALI bus.

4. DALI-2 products must be fully certified by the DiiA Association before they are allowed to use the DALI-2 trademark.  
DALI-1 and DALI-2 products can be used together. Compatibility issue is shown in the table below.