The EventsTypeprovides Objectsfor 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:FunctionalGroupTypedefined 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 ConditionTypehas to be used as TypeDefinition.

The InstanceDeclarationsof the EventsTypehave additional Attributesdefined 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 InstanceDeclarationof 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