opcUaClient-OpcUaClientAlarmDeviceExt
This component is a child of each OpcUaDevice component. Each OPC UA device has a frozen slot named AlarmExt that is of type OpcUaClientAlarmDeviceExt.
The default view is the Opc Ua Client Alarm Manager.
This component provides the ability to subscribe to OPC UA alarm events. The view allows you to scan the connected OPC UA server for OPC UA variables that can generate an alarm.
To view these properties, expand , right-lick Alarm Ext and click .
In addition to the standard properties that configure Alarm Source Info, these properties support the OPC UA client alarm device extension.
| Property | Value | Description |
|---|---|---|
| Alarm Class | drop-down list (defaults to Medium) | Specifies the alarm routing
option for the component. Replace provides a selection list of a local alarm classes, from which to select one to use for all alarms received from this device. Use Existing routes alarms from this remote station to any matching alarm class, that is, one with an identical name as that in each alarm record. If the program finds no local matching alarm class, it uses the station's default alarm class. Prepend adds leading text (as specified) to the incoming alarm class string, then routes it to any local matching alarm class in the station. Append adds trailing text (as specified) to the incoming alarm class string, then routes it to any local matching alarm class in the station. |
| Last Received Time | read-only | Reports the time the last alarm was received. |
| Auto Subscribe Enable | true (defaul)t or false | Turns automatic device subscription on (true) and off (false). |
| Opc Ua Severity | read-only | Reports the configuration for the four severity settings. For more information, refer to opcUaServer-OpcUaAlarmRecipient. |