Patent ID: 8682515

Claim:
A marine vessel control system for a marine vessel that includes at least one marine vessel propulsion device, the marine vessel control system comprising: a control unit including a main output section arranged to output marine vessel maneuvering control information including starting information of the at least one marine vessel propulsion device, and a sub output section arranged to output backup information including the starting information of the at least one marine vessel propulsion device; a first communication bus connected to the at least one marine vessel propulsion device and the control unit, and arranged to transmit the marine vessel maneuvering control information, output from the main output section, to the at least one marine vessel propulsion device; a second communication bus connected to the at least one marine vessel propulsion device and the control unit, and arranged to transmit the backup information, output from the sub output section, to the at least one marine vessel propulsion device; and an auxiliary device connection section provided in the second communication bus, and arranged to enable connection of an auxiliary device that executes communication, related to auxiliary information other than the marine vessel maneuvering control information, with at least one of the marine vessel propulsion device and the control unit via the second communication bus; wherein no auxiliary device connection section is provided in the first communication bus; the first communication bus is arranged to not transmit the auxiliary information; and the second communication bus is arranged to transmit the auxiliary information.