SOFTWARE UPDATING DEVICE, SOFTWARE UPDATING SYSTEM, AND SOFTWARE UPDATING METHOD

摘要

There is provided a software updating device which performs communication with a server device and a plurality of control devices and controls software updating processes of control devices. A writing instruction unit instructs the control devices to write update software transmitted from the server device in second areas provided separately from first areas storing software which is being used. A confirming unit confirms that the update software has been written in the second areas with respect to all of control devices which constitute a cooperating control device group which is the set of control devices cooperating with each other, in the plurality of control devices which are software updating objects. A switching instruction unit instructs all of the control devices constituting the cooperating control device group to perform switching processes of setting the update software written in the second areas as software to be thereafter executed.