| 摘要 |
PROBLEM TO BE SOLVED: To provide an alarm and an alarm system capable of switching a stop condition of an interlocking alarm.SOLUTION: This alarm includes: a transmission/reception circuit 5 capable of receiving an interlocking control signal showing that an abnormality is detected, a restoration signal showing that detection of the abnormality is stopped, and an alarm stop signal showing that the interlocking alarm is to be stopped; an alarm sound control circuit 8 and a display lamp circuit 9 as an alarm means for outputting an alarm; a control circuit 1 for controlling output and stop of an alarm by the alarm sound control circuit 8 and the display lamp circuit 9; and a stop condition setting switch 13 for the interlocking alarm for setting whether the interlocking alarm is to be stopped or not when receiving the alarm stop signal. When receiving the interlocking control signal, the control circuit 1 allows the alarm sound control circuit 8 and the display lamp circuit 9 to output the interlocking alarm, and to stop the interlocking alarm based on setting by the stop condition setting switch 13. |
