| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a plant warning system responsive to control device anomalies that can provide information depending on the effect of an anomaly/failure in a control device on a plant. <P>SOLUTION: The plant warning system has the control device 1 for controlling a plant according to plant state signals representing states of the plant, a plant warning means 10 for issuing a plant warning representing an anomaly in the plant according to the plant state signals, control device anomaly information processing means 2a and 2b for collecting control device anomaly information representing anomalies in the control device itself and outputting a control device warning signal, and a control device warning means 8 for issuing a different type of control device warning from the plant warning according to the control device warning signal. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
