| 摘要 |
PURPOSE:To save modification of hard ware and soft ware, even if the number of power source units in a group is changed, by receiving connection information of each of the power source unit groups from a group set signal passed through the power source units and storing the information in a memory. CONSTITUTION:A UPC 10 consists of a controller 11, a power source group setting register 12, a power source on-off setting register 13, a power source group confirmation receiver 14, and a power source alarm signal monitoring receiver 15. The controller 11 is equipped with a power source connection information storage memory 16. Because the connection information of each of the power source unit groups is obtained from a group set signal passed through the power source units and stored in the memory 16, to which group a power source unit belongs is automatically recognized. |
