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7.43 EventsType ObjectType Definition ToC Previous Next

The EventsType provides Objects for conditions of Components and is formally defined in Table 90.

Table 90 – EventsType Definition

Attribute Value        
BrowseName EventsType        
IsAbstract False        
References Node Class BrowseName DataType TypeDefinition Other
Subtype of the 2:FunctionalGroupType defined in OPC 10000-100, i.e. inheriting the InstanceDeclarations of that Node.          
0:HasComponent Object <Event>   0:ConditionType OP
0:HasComponent Object EmergencyStop   0:OffNormalAlarmType O
0:HasComponent Object Service   0:OffNormalAlarmType O
0:HasComponent Object Shutdown   0:OffNormalAlarmType O
0:HasComponent Object Warning   0:OffNormalAlarmType O

The OptionalPlaceholder Object <Event> is used to add additional conditions to an instance of the EventsType. In this case a concrete subtype of the abstract ConditionType has to be used as TypeDefinition.

The InstanceDeclarations of the EventsType have additional Attributes defined in Table 91.

Table 91 – EventsType Attribute values for child Nodes

Source Path Description Attribute
<Event> Manufacturer or system specific conditions.
EmergencyStop Indicating an emergency stop of a component.
Service Indicates that a component requires service.
Shutdown Indicating a shutdown of a component.
Warning Indicating a general warning of a component.

When instantiating this EventsType, specific severities shall be assigned to each event or condition. The severity ranges as well as the states for each InstanceDeclaration of the EventsType are defined in Table 92.

Table 92 – EventsType States and Severities for child Nodes

Source Path Active Inactive Severity
<Event>      
EmergencyStop Emergency stop is pressed, or emergency stop alarm is active / has not been acknowledged. Emergency stop is released, and emergency stop alarm is not active and has been acknowledged. 1 – 1000
Service Machine requires service. Machine does not require service. 1 – 1000
Shutdown Machine is in shutdown, summary of all shutdown alarms. No shutdown alarm is active, and all shutdown alarms have been acknowledged. 801 – 1000
Warning Machine is in warning, summary of all warning alarms. No warning is active, and all warnings have been acknowledged. 1 – 800

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