CPC F21V 23/005 (2013.01) [F21K 9/69 (2016.08); F21S 4/28 (2016.01); F21V 5/008 (2013.01); F21V 7/0091 (2013.01); F21V 21/005 (2013.01); F21V 23/002 (2013.01); F21V 23/06 (2013.01); F21Y 2115/10 (2016.08)] | 29 Claims |
1. A system comprising:
one or more lighting devices, wherein each lighting device is configured to adjust a present intensity level of light emitted by the lighting device between a low-end intensity level and a high-end intensity level; and
a fixture controller comprising:
a power converter circuit configured to generate a bus voltage on a power bus, wherein the power bus is coupled between the fixture controller and the one or more lighting devices; and
a control circuit configured to control the one or more lighting devices, the control circuit configured to:
detect a brownout event on the power bus;
determine a number of lighting devices of the one or more lighting devices that caused the brownout event; and
send a power message to the number of lighting devices that caused the brownout event instructing the number of lighting devices to decrease their respective high-end intensity level in response to the detection of the brownout event on the power bus.
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