| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique for properly controlling a ballast water management system equipped with a plurality of setting devices.SOLUTION: In a ballast water management system 100, when setting of an operation mode of the ballast water management system 100 coincides between a control device 111 and a control device 112, the ballast water management system 100 permits operation by the operation mode following the setting, and when setting of an operation mode of the ballast water management system 100 does not coincide between the control device 111 and the control device 112, the ballast water management system 100 does not permit operation by the operation modes set in the control device 111 and the control device 112. |
