| 摘要 |
PROBLEM TO BE SOLVED: To provide a fault analyzing device by which data can surely be captured even in a phenomenon small in occurrence frequency, and an event causing the fault and the occurrence order can be set when fault is caused in a steel or chemical plant. SOLUTION: Data to be collected set in a collection data setting part 2 are collected by a data collecting part 3 from a plant controller 1, and a collection data file group 4 is prepared. The data file group is limited according to an event and a lapse time set in an event setting part 5, and a trigger condition coincidence detecting part 9 detects a data file according to a trigger condition and the pre and post-number of reading set in a trigger condition setting part 8 from among the limited data file group, and a display data generating part 10 generates a retrieved result file 11 by uniting it with the pre and post-data files, and a data display editing part 12 displays it on a CRT display 13. |
