| 摘要 |
<p>PROBLEM TO BE SOLVED: To make it easy to analyze operation and easy in the reproduction of screen operation, control operation, and the generation and ceasing of alarm. SOLUTION: During operator, the history of screen operation and control operation and the generation and ceasing of alarm are stored in a history data storage part 15, and when a period is specified by executing a reproducing function through a key input device 11, a screen control part 13 informs a history management part 16 of the execution of a reproducing function and its reproduction period, and the history management part 16 acquires history data of the specified period from the history data storage part 15 and informs the screen control part 13 of the reproduction of operation contents in time sequence when the data are on screen operation and control operation. The screen control part 13 displays the contents on a display processor 14 and further when the data are on control operation, the control operation is performed for a slave control unit. In case of the generation and ceasing of the alarm, the history management part 16 informs a signal and status process part 19 of the reproduction of the contents of the alarm.</p> |
