Controller, method for controlling electrical device, device control system, and program

A controller comprising:

• a device communicator configured to communicate with an electrical device within a dwelling via a communication network;
• and
• a control center configured to display a target setting screen on a display for inputting a target amount of an electricity cost for the dwelling, and to control the electrical device via the communication network based on the target amount, wherein
• the target setting screen includes a yearly target setting area and a monthly target setting area, the yearly target setting area receiving an input operation of a yearly target amount for an electricity cost, the monthly target setting area receiving an input operation of a monthly target amount for an electricity cost, and
• the control center is configured to change the target amount of one of the yearly target setting area and the monthly target setting area upon a change of the other.

A target setting method comprising:

• displaying a target setting screen on a display for inputting a target amount of an electricity cost for a dwelling;
• receiving, from a yearly target setting area or a monthly target setting area, respectively, an input operation of a yearly target amount for an electricity cost or a monthly target amount for an electricity cost;
• and
• changing the target amount of one of the yearly target setting area and the monthly target setting area upon a change of the other.

A non-transitory recording medium having stored therein a program for causing a computer to function as:

• a device communicator configured to communicate with an electrical device within a dwelling via a communication network;
• and
• a control center configured to display a target setting screen on a display for inputting a target amount of an electricity cost for the dwelling, and to control the electrical device via the communication network based on the target amount, wherein
• the target setting screen includes a yearly target setting area and a monthly target setting area, the yearly target setting area receiving an input operation of a yearly target amount for an electricity cost, the monthly target setting area receiving an input operation of a monthly target amount for an electricity cost, and
• the control center is configured to change the target amount of one of the yearly target setting area and the monthly target setting area upon a change of the other.