Osram BT Series - Tunable White; Group Control; Swarm Feature; Special Features of DALI ECO BT RTC

OSRAM BT Control | Control features
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3.2.1 Tunable White
The Tunable White function is enabled automatically if one (or more) DALI device type 8 Tunable White LED driver/s
(DALI DT8 TW) is/are connected.
Out-of-the-box features
— OSRAM BT Control App will automatically display a color temperature control
— DALI PRO PB coupler supports color temperature control without using the app
— Button 1: On/off/dim
— Button 2: Change color temperature
Configurable with OSRAM BT Config App
— Store and recall scenes
— Change min. and max. color temperature limits
— Scene recall with the DALI pushbutton coupler
3.2.2 Group control
Group control can be configured via the OSRAM BT Config App and used via the OSRAM BT Control App.
Groupcast
— Individual control of up to four groups (dimming/changing color temperature)
— Flexible group assignment of every single luminaire
Extended light regulation functions
— Group 1 is the master for light regulation
— Groups 2, 3 and 4 can be enabled to follow group 1
— Individual offset can be set for group 2, 3 and 4 (typical requirement for classrooms)
Scene control
— Scenes can be stored with different light levels and color temperature for each group.
Pushbutton coupler support
— Scene recall
— Switching and dimming of up to four groups
— Switching/dimming and color temperature change of up to two groups
Sensor support
— Enable/disable a single sensor (light or motion), which affects all groups
3.2.3 Swarm feature
The Swarm feature enables a wireless communication between BT Control devices to share presence information.
Only available in “Expert User” mode (see 4.5):
Use case 1: Multiple luminaire groups switch on together based on a wireless BT connection
(without wired DALI connection!).
Use case 2: Basic brightness level in an open-plan office due to wireless standby activation.
3.3 Special features of DALI ECO BT RTC
Additional out-of-the-box features compared to the non-RTC BT Control devices
— Switch/dim/change color temperature via connected pushbuttons
— Starts HCL curve after connecting with an app (OSRAM BT Control App is sufficient)
The real-time clock (RTC) with an energy buffer of 72 hours (needs 24 hours mains connection to be fully loaded) enables
daytime-related functions such as:
— Human Centric Lighting (HCL)
— Timer (automatic, weekday and daytime-related start and stop of the light system)