| 摘要 |
PURPOSE: An alarm system for notifying the accident is provided to prevent the mutual interference between equipment and machines through non-contact relay. CONSTITUTION: An input unit(200) is connected in parallel or serial with an output unit detecting an abnormal signal through non-contact relay. A sensing unit connects resistor in parallel with both sides of a line to detect disconnection. A calculation unit(400) compares the resistance of the resistors. A driving unit(600) receives the result of a determining unit(500) and informs managers of a result. If various accidents are generated, a central processing unit(800) assigns line disconnection highest priority.
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