| 摘要 |
<p>PROBLEM TO BE SOLVED: To speedily detect an abnormal panel to be controlled even if main power is cut while an alarm is emitted, it is supplied again, the panel to be controlled is extracted and it is mounted again. SOLUTION: A control board 101 functions as a controlled board starting means recognizing the history storage part of boards to be controlled 102, 103 and 104 at the time of starting the boards to be controlled 102, 103 and 104 with a control program stored in a ROM in the control board 101 and recognizing the normality of the boards to be controlled 102, 103 and 104 when abnormality does not exist, a controlled board control means recognizing the normality of the boards to be controlled 102, 103 and 104 at the time of controlling the boards to be controlled 102, 103 and 104, an alarm collection means which always monitors the alarm of the boards to be controlled 102, 103 and 104 and a history writing means writing the content of abnormality to the history storage part of the pertinent board to be controlled when abnormality is detected in recognition and monitoring.</p> |
