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5.2 OPC UA ObjectTypes ToC Previous Next

5.2.2 StacklightType ToC Previous Next index

readme_files/image004.png Figure 2 StacklightType overview

The StacklightType is a subtype of the BasicStacklightType. It adds the possibility to show the stacklight’s health status. In Figure 2, a graphical overview is given. It is formally defined in Table 14.

Table 14 – StacklightType Definition

Attribute Value        
BrowseName StacklightType        
IsAbstract False        
Description Entry point to a stacklight with the possibility to show the stacklight’s health status.        
References Node Class BrowseName DataType TypeDefinition Other
Subtype of the BasicStacklightType defined in 5.2.1, i.e. inheriting the InstanceDeclarations of that Node.          
0:HasInterface ObjectType 2:IDeviceHealthType      
Properties of the 2:IDeviceHealthType          
0:HasComponent Variable 2:DeviceHealth 2:DeviceHealthEnumeration 0:BaseDataVariableType O
0:HasComponent Object 2:DeviceHealthAlarms   0:FolderType O

DeviceHealth, defined in IDeviceHealthType, indicates the health status of the stacklight and shall be used as specified in OPC 10000-100.

DeviceHealthAlarms, defined in IDeviceHealthType, can be used to expose alarm instances and shall be used as specified in OPC 10000-100.

The InstanceDeclarations of the StacklightType have the Attribute values defined in Table 15.

Table 15 – StacklightType Attribute values for child Nodes

Source Path Value Description
2:DeviceHealth - Contains the health status information of the stacklight.
2:DeviceHealthAlarms - Contains alarms of the stacklights providing more detailed information on the health of the stacklight.

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