DALI CCT control methods
DALI DT8 is a set of commands that allow CCT fixtures to occupy one DALI address. The means that all brightness controls operate regardless of color temperature selected. Brightness setting by broadcast, individual or group functions simply by the level sent. CCT is implemented commonly with 2 strings of LEDs at different color temperatures. Changing the ratio of current changes the perceived color.
CCT can be set individually, in groups or globally, by time of day or personal preference, locally from the DR2 switch, from the ATX LED Hub with ZWD, or from the cloud.
In Scenes - the color temperature is recorded together with the brightness, for each scene - thus a Scene will potentially change the color temperature, while a Group brightness command will not.
DALI DT8 is detected when the DAbus is scanned, and if detected in a device, that device will have color tuning support in ZWD
DALI DT8 also allows RGBW controls that operate the same way, with 4 colors instead of 2.
• 2200K – Amber Light
• 2500K – Sunset Light
• 2700K – Soft White
• 3000K – Warm White
• 3500K – Neutral White
• 4000K – Cool White
• 5000K – Daylight
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