| 摘要 |
PURPOSE:To easily confirm the connecting state of a load by scanning a plurality of connecting means to which a load is detachably connected, and reading self and other identification information of the connected load. CONSTITUTION:A plurality of lighting fixtures A1-An are selectively connected to connectors B1-Bn. Addresses are respectively set by address switches AS 1-ASm to the connectors B1-Bn. A central unit 15 sequentially designates the addresses 1-m to communicate data to the connectors B1-Bm, thereby recognizing the type of the fixtures A1-An connected to the connectors B1-Bm. |
