摘要 |
Apparatus and methods for monitoring and controlling the energy usage of an installation including lighting fixtures, motors, compressors, and other electrical appliances by monitoring the operating status of the electrical appliances, switching the electrical appliances on and/or off as mandated by operating conditions, intended use(s) of the installation, ambient conditions, energy consumption limits, and other factors, reporting the operating status of the electrical appliances to a system coordinator, storing information as to the operating status of each electrical appliance in the network to the memory of the system coordinator in a look-up table for subsequent retrieval as needed for operation of the installation, and transmitting a signal from the system coordinator that is operative to switch the electrical appliances on and/or off in accordance with the information stored in the look-up table. |