| 摘要 |
<p>PURPOSE: To eliminate the trouble of an operation by operator by automatically changing an alarm pattern and evading the generation of unrequired alarm within a short time. CONSTITUTION: An alarm control processor is provided with a signal input processing means 11 outputting a storage command when change occurs in a signal state by a plant state signal and the alarm pattern of a pattern setting part 12, a signal state time sequence control means 13 storing the plant state signal by time sequence and detecting alarm generation and alarm restoration, an alarm suppress requesting means 17 learning the alarm generation change of the plant state signal in terms of time sequence at the time of judging to be the same alarm generation by the stored plant state signal in terms of time sequence and outputting an alarm suppress requesting signal at the time of alarm issued by the alarm generation change data within a fixed deviation and an alarm pattern changing means 17 changing the alarm pattern based on the alarm suppress requesting signal.</p> |
