| 摘要 |
PURPOSE: A relay is provided to satisfy the request of a user by displaying the status of a relay body through a display. CONSTITUTION: A relay comprises a relay body(830) and an HMI(Human Machine Interface)(810). The relay body has a measuring unit(831) and a relay unit(833). The measuring unit measures the current of an object. The relay unit relays the object when the current measured by the measuring unit is abnormal. An HMI includes a display(811) and an HMI controller(813). The display displays the status of the relay body. An HMI controller displays a screen set by the user on the display. |
