Off-Normal Alarm Properties
- Updated2023-02-21
- 1 minute(s) read
Off-Normal Alarm Properties
The off-normal alarm specifies a condition that is not normal. Wire the OPC UA off normal alarm refnum out output of the Off-Normal Alarm instance of Add Condition VI to the reference input of a standard Property Node to get the Off Normal Alarm Property Node. This Property Node has the following properties:
| Property | Description |
|---|---|
| Active State | Whether a condition is in the active state. Details |
| Enabled State | Whether a condition is in the enabled state. Details |
| Retain | Whether the OPC UA client synchronizes the condition state with that of the server. Details |
| Input Node Id | The ID of an input node. Details |
| Max Time Shelved | The maximum time that an alarm condition is in shelved state. Details |
| Shelving State | Whether an alarm condition is in shelved state. In shelved state, an alarm cannot display to the end user. Details |
| Shelving Timer Resolution in mSecs | The smallest time unit, in milliseconds, for a timer to calculate shelving time. Details |
| Suppressed or Shelved | Whether an alarm condition is in suppressed or shelved state. Details |
| Suppressed State | Whether an alarm condition is in suppressed state. In suppressed state, an alarm does not occur at all circumstances. Details |