9.19 BACnetChangeOfCharacterStringNotificationType
9.19.1 ObjectType definition
The BACnetChangeOfCharacterStringNotificationType is formally defined in Table 90.
| Attribute | Value | |||||
| BrowseName | BACnetChangeOfCharacterStringNotificationType | |||||
| IsAbstract | False | |||||
| References | NodeClass | BrowseName | DataType | TypeDefinition | Other | |
|---|---|---|---|---|---|---|
| Subtype of the BACnetEventNotificationType defined in 9.4.2.1 | ||||||
| 0:HasProperty | Variable | ChangedValue | 0:String | 0:PropertyType | M | |
| 0:HasProperty | Variable | AlarmValue | 0:String | 0:PropertyType | M | |
| 0:HasProperty | Variable | StatusFlags | BACnetStatusFlags | 0:PropertyType | M | |
9.19.2 ObjectType Description
9.19.2.1 Variable ChangedValue
The Property ChangedValue represents the monitored value.
9.19.2.2 Variable AlarmValue
The Property AlarmValue conveys the character string of pAlarmValues related to the event state transition reported:
(a) for transitions to OFFNORMAL, the character string of pAlarmValues that matches pMonitoredValue,
(b) for transitions to NORMAL, the character string of pAlarmValues that match pMonitoredValue at the time of the most recent transition to OFFNORMAL.
9.19.2.3 Variable StatusFlags
This OPC UA Property, of DataType BACnetStatusFlags, represents the BACnet property Status_Flags. The BACnetStatusFlags DataType is defined in 10.3.7.