Use the Basic tab to view or edit the basic properties of an out of range alarm.
Component |
Description |
Alarm state |
Displays the present state of the alarm. For more information, see Alarm States . |
Basic evaluation state |
Displays False when the alarm is in its normal state. |
Evaluation state |
Displays the present evaluation state of the alarm. For example, Upper limit alarm is displayed when the monitored value reaches the upper alarm limit. |
Disabled cause |
Displays the cause for the alarm being disabled:
|
Monitored variable |
Enter the path to the variable that is monitored by the alarm. |
Lower limit |
Enter the lowest value the monitored variable can decrease to before the alarm is triggered. |
Upper limit |
Enter the highest value the monitored variable can increase to before the alarm is triggered. |
Deadband |
Enter the range the monitored variable has to pass within the normal range before the alarm is reset. |
Reset delay (s) |
Enter the time, in seconds, the alarm has to be within the reset criteria before the alarm state is changed from alarm to reset. For more information, see Time Delay . |
Alarm delay (s) |
Enter the time, in seconds, the alarm has to be within the alarm criteria before the alarm is triggered. For more information, see Time Delay . |
Shunt variable 1 |
Enter the shunt variable that is used to enable or disable the alarm. For more information, see Shunt Variables . |
Invert shunt value 1 |
Select to invert the shunt value, that is, enable the alarm when the shunt value is active and disable the alarm when the shunt value is inactive. For more information, see Shunt Variables . |
Shunt operator |
Select AND or OR to add logic between the first and the second shunt variable. For more information, see Shunt Variables . |
Shunt variable 2 |
Enter the second shunt variable that is used to enable or disable the alarm. For more information, see Shunt Variables . |
Invert shunt value 2 |
Select to invert the shunt value, that is, enable the alarm when the shunt value is active and disable the alarm when the shunt value is inactive. For more information, see Shunt Variables . |