194 AK2-SC 255 Reference Manual RS.8D.M1.22
The Active Alarms
Screen The Active Alarms screen shows up to 100 active alarms for an SC 255. For each
alarm, there are three lines of information giving the type of alarm, the name of the
point the alarm is based on and its address, the date and time that the alarm occurred,
and the condition that caused the alarm.
Two fields on the right of the screen deserve special explanation:
Now: The present status of the alarm condition. For system alarms (mo-
dem, I/O comm, Test Alarms, etc) the field will read Trip. For
alarms based on hardware points (on/off inputs, sensor inputs, etc.)
the field will contain a value (on, off, or the current sensor reading).
The value will always be outside the alarm limits.
Ack: Indicates, by Ye s or No whether the alarm has been acknowledged
or not.
If you select one of the alarms, a screen with additional information for the alarm will
appear:
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