| 摘要 |
PURPOSE:To grasp immediately an abnormal state of a plant by providing an alarm function on a pilot lamp, etc. of a CRT request button corresponding to a CRT picture screen on which an abnormal parameter is displayed. CONSTITUTION:A plant abnormality alarm device inputs 2 periodically a process data of a plant 1, and monitors by a monitor device 3 whether each parameter is normal or not. As a result, when an abnormality is detected, an alarm generating signal 4 is sent out, and an alarm is informed by a pilot lamp 6, etc. through an alarm output device 5. In this regard, this device is provided with plural CRTs 9 connected to a CRT output device 7, and a control board 8 having plural CRT request buttons 10. In this case, an alarm checking device 11 is provided, which parameter is abnormal is checked by receiving a signal from the monitor device 3 by said device 11, also the CRT9 picture screen is selected and said button 10 corresponding to it is turned on or flickered, etc., and an alarm and information of an abnormal parameter are offered to a user. |
