Target deviation alarm attributes
- Last UpdatedJul 19, 2024
- 2 minute read
If Enable target deviation alarms is enabled, then the following additional scaling alarm-related attributes become available.
|
Editor Option |
Associated Attribute |
Description |
Runtime Access |
|---|---|---|---|
|
Enable target deviation alarms |
DeviationAlarmed |
If enabled, alarms will be triggered for when the Field Attribute level deviates from a target value by a configured amount. |
None |
|
Minor |
Dev.Minor.Alarmed |
If enabled, an alarm will be triggered when the Field Attribute value reaches the minor deviation tolerance. |
None |
|
Minor - Tolerance |
Dev.Minor.Tolerance |
The minor deviation tolerance that the Field Attribute value must exceed to trigger an alarm. |
Supervisory, User |
|
Minor - Priority |
Dev.Minor.Priority |
Supervisory, User |
|
|
Minor - Alarm message |
Dev.Minor.DescAttrName |
See Alarm field attributes. Click the ellipse button to access the Attribute Browser. |
Supervisory, User |
|
Major |
Dev.Major.Alarmed |
If enabled, an alarm will be triggered when the Field Attribute value reaches the major deviation tolerance. |
None |
|
Major - Tolerance |
Dev.Major.Tolerance |
The major deviation tolerance that the Field Attribute value must exceed to trigger an alarm. |
Supervisory, User |
|
Major - Priority |
Dev.Major.Priority |
Supervisory, User |
|
|
Major - Alarm message |
Dev.Major.DescAttrName |
See Alarm field attributes. Click the ellipse button to access the Attribute Browser. |
Supervisory, User |
|
Target |
Dev.Target |
Sets the Field Attribute target setpoint value for deviation calculation. |
Supervisory, User |
|
Deviation deadband |
Dev.Deadband |
The amount the Field Attribute value must drop (measured in engineering units) below any of the deviation limits before the respective condition is set to FALSE. |
Supervisory, User |
|
Settling period |
Dev.SettlingPeriod |
The time, in seconds, allowed for the Field Attribute value to return within allowable range after a Target change is made before the deviation alarm is triggered. (A deviation alarm cannot occur again until the alarm clears.) The value you specify will be converted to the following format: days hh:mm:ss.fffffff. |
Supervisory, User |