Patent ID: 7346717

Claim:
A control board comprising: a main-board; and a plurality of sub-boards which control loads on portions of an electric unit to be implemented, wherein each of said plurality of sub-boards includes: providing means for providing a board type ID for specifying a type of board; read means for reading an installation location ID representing a location in the electric unit at which said sub-board is to be installed; and transmission means for transmitting the board type ID and the installation location ID read by said read means to said main-board after said sub-board has been installed at the installation location, and wherein said main-board includes: communication control means for controlling communication through a plurality of common communication connectors; configuration information acquisition means for acquiring configuration information expressed by a combination of the board type ID and the installation location ID transmitted from said sub-board by said transmission means through one of said plurality of common communication connectors; analysis means for analyzing the configuration information acquired by said configuration information acquisition means and which ordinal number of a connector, of said plurality of common communication connectors, has received the information; control means for controlling said sub-board on the basis of information analyzed by said analysis means; and storage means for storing a predetermined installation location ID and a board type ID of a sub-board to be installed, wherein said control means compares the information stored in said storage means with the information analyzed by said analysis means, and generates a warning in a case where the analyzed information is insufficient to represent an overall arrangement of the electric unit.