| 摘要 |
PURPOSE: A shutter opening and closing system is provided to efficiently perform the management of a shutter and facilitate rapid repair by grasping a malfunction location. CONSTITUTION: A shutter opening and closing system comprises a switch unit(100), a shutter(200), and a controller. The switch unit comprises a main switch(110), a power line, and a display lamp(130). The shutter is connected to the switch and is moved up and down by the power provided from the main switch. The controller transfer control signals to the switch. The controller comprises a detection sensor. The detection sensor detects an action power line passing through a supply power line and a drive motor. |
