6 Standard ObjectTypes ToC Previous Next

6.4 ObjectTypes used as EventTypes ToC Previous Next

6.4.30 SystemStatusChangeEventType ToC Previous Next index

This EventType is defined in OPC 10000-3. Its representation in the AddressSpace is formally defined in Table 51.

Table 51 – SystemStatusChangeEventType Definition

Attribute Value
BrowseName SystemStatusChangeEventType
IsAbstract True

Subtype of the SystemEventType defined in 6.4.28, which means it inherits the InstanceDeclarations of that Node.

References NodeClass BrowseName DataType TypeDefinition ModellingRule
HasProperty Variable SystemState ServerState PropertyType Mandatory

This EventType inherits all Properties of the SystemEventType. Their semantic is defined in 6.4.28. The SourceNode Property and the SourceName shall identify the system. The system can be the Server itself or some underlying system.

The SystemState specifies the current state of the system. Changes to the ServerState of the system shall trigger a SystemStatusChangeEvent, when the event is supported by the system.

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