NETWORK SYSTEM AND METHOD OF CONTROLLING THE SAME

摘要

A network system comprises: a metering device configured to measure energy supplied from a power supply source by two-way communication with the power supply source; and an EMS (energy management system) connected to the metering device for communicating with the metering device and configured to control an operation of an electric product based on information about the operation of the electric product or information about energy supplied from the power supply source, wherein the EMS is detachably provided to at least one electric product of a plurality of electric products and another electric product of the plurality of electric products.