Human-Centric Lighting (HCL)
Introduction
Human-Centric Lighting (HCL) mitigates unhealthy side-effects of unnatural light in the workplace.
The HCL feature controls brightness and color temperature over the course of the day in a room, multiple rooms, floor, or entire building. The goal is to positively influence the well-being of the room occupants.
Brightness and color temperature follow two independent graphs, represented by schedulers, over a 24-hour cycle. No standards exist for such graphs, preferably these are provided by the light planner. Desigo provides HCL schedulers configured per default to approximate the natural course of a day.
HCL standard schedule
Key
00:00 - 00:00 | Time |
| Brightness |
| Warm white |
| Transient |
| Cold white |
For more information see:
- YouTube: Human Centric Lighting (HCL) – short version
- YouTube: Human Centric Lighting (HCL) – long version
DALI type 8 lighting ballast
Human-Centric Lighting requires / is supported by DALI device type 8 lighting ballast.
Ballasts with DALI device type 8 allow the control of brightness and color temperature with two independent values (gears). Such gears are standardized according to IEC 62386-209: Digital addressable lighting interface – Part 209: Particular requirements for control gear – Color control (device type 8).