| 摘要 |
PURPOSE:To always display the generation condition of the alarm of respective remote stations by providing an alarm concentrating device to concentrate the alarm from plural remote stations to execute an exchanging action independently and sent it with a time division, an interface device to edit and store the output and an alarm display device at a host station. CONSTITUTION:The alarm concentrating device 6 of a host station 5 concentrates an alarm line from all remote stations and a host station alarm detecting device 13, executes the signal conversion to make a signal used by the alarm line, which is an inter-station repeating line, into a signal for an alarm display device and sends it to an interface device 7. The interface device 7 receives and stores the above-mentioned alarm, classifies the alarm for a classification, edits it for a station unit and successively sends it to an alarm displaying control part 9 of the alarm display device 8. The contents of the stored alarm, each time the contents of the alarm from respective stations are changed, are corrected. The control part 9 displays the alarm classification from all received remote stations at an alarm displaying part 10. The displaying part 10 displays it by a matrix displaying form of the number and station name of the host station 5 and all remote stations and the alarm displaying shown at three steps by the urgency to show the presence and absence of the generation of the alarm.
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