Circuit apparatus

A circuit apparatus comprising:

• a stacked body;
• and
• a plurality of terminals,
• wherein the stacked body includes a plurality of layers,
• a plurality of holes that extend through the plurality of layers are formed in the stacked body,
• each of the plurality of layers includes a connection member that is formed of a conductor,
• the connection member includes:
• a pair of connection portions that are provided at positions corresponding to the plurality of holes;
• and a joining portion that connects the pair of connection portions to each other,
• the plurality of terminals include a plurality of types of terminals that correspond to the plurality of layers, respectively,
• each of the plurality of types of terminals is capable of being selectively connected to the pair of connection portions of a corresponding one of the plurality of layers by being inserted into a predetermined one of the plurality of holes,
• the plurality of layers includes a first layer and a second layer,
• the plurality of types of terminals include a first layer terminal and a second layer terminal,
• the second layer is located on a terminal insertion side relative to the first layer, the terminal insertion side being where the terminals are to be inserted,
• the first layer terminal is a terminal that is to be connected to the first layer, and
• the second layer terminal is a terminal that is to be connected to the second layer, and is shorter than the first layer terminal.

A circuit apparatus comprising:

• a stacked body;
• and
• a plurality of terminals,
• wherein the stacked body includes a plurality of layers,
• a plurality of holes that extend through the plurality of layers are formed in the stacked body,
• each of the plurality of layers includes a connection member that is formed of a conductor,
• the connection member includes:
• a pair of connection portions that are provided at positions corresponding to the plurality of holes;
• and a joining portion that connects the pair of connection portions to each other,
• the plurality of terminals include a plurality of types of terminals that correspond to the plurality of layers, respectively,
• each of the plurality of types of terminals is capable of being selectively connected to the pair of connection portions of a corresponding one of the plurality of layers by being inserted into a predetermined one of the plurality of holes, and
• the plurality of layers include a plurality of voltage layers that have different voltage values in the connection members.

A circuit apparatus comprising:

• a stacked body;
• a plurality of terminals;
• and
• an electronic controller,
• wherein the stacked body includes a plurality of layers that includes a communication layer,
• a plurality of holes that extend through the plurality of layers are formed in the stacked body,
• each of the plurality of layers includes a connection member that is formed of a conductor,
• the connection member includes:
• a pair of connection portions that are provided at positions corresponding to the plurality of holes;
• and a joining portion that connects the pair of connection portions to each other,
• the plurality of terminals include a plurality of types of terminals that correspond to the plurality of layers, respectively,
• each of the plurality of types of terminals is capable of being selectively connected to the pair of connection portions of a corresponding one of the plurality of layers by being inserted into a predetermined one of the plurality of holes, and
• the electronic controller is connected to the communication layer, and selectively transmits, to the communication layer, a signal transmitted from an external apparatus to an apparatus that is connected to the communication layer.