System and Method for Matching Light Output from LED Luminaires

A luminaire, comprising:

• a light-emitting diode (LED) light source configured to emit a light beam;
• a light sensor, optically coupled to the LED light source and configured to measure a current intensity of the light beam and produce an intensity signal based on the measured intensity;
• and
• a control system electrically coupled to the LED light source, to a non-volatile memory, and to the light sensor, the control system configured to:
• obtain the intensity signal from the light sensor;
• store in the non-volatile memory current intensity data representing the intensity signal;
• obtain previous intensity data that represents a previously measured intensity of the light beam emitted by the LED light source;
• select an indicator color to represent an amount by which the current intensity data is less than the previous intensity data;
• and
• cause the luminaire to emit a beam of light having the indicator color.

A luminaire, comprising:

• a light-emitting diode (LED) light source configured to emit a light beam;
• and
• a control system electrically coupled to the LED light source, the control system configured to receive an Adjust command via a data link, the Adjust command comprising total reduction data representing a total reduction amount for intensity of a reduced intensity light beam emitted by the LED light source and, in response to the Adjust command:
• obtain a current reduction amount representing a current amount by which a current intensity of a full intensity light beam emitted by the LED light source is less than a previously measured intensity of the full intensity light beam emitted by the LED light source;
• determine whether the total reduction amount is greater than the current reduction amount;
• and
• cause the LED light source to emit a reduced intensity light beam having a reduced intensity when the total reduction amount is greater than the current reduction amount.