7 OPC UA ObjectTypes

7.44 MaintenanceType ObjectType Definition

The MaintenanceType provides Variables useful for sensor maintenance and is formally defined in Table 93.

Table 93 – MaintenanceType Definition

Attribute	Value
BrowseName	MaintenanceType
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	Variable	RealTimeSinceLastService	0:Double	0:BaseAnalogType	M, RO
0:HasComponent	Variable	RealTimeToNextService	0:Double	0:BaseAnalogType	M, RO

The InstanceDeclarations of the MaintenanceType have additional Attributes defined in Table 94.

Table 94 – MaintenanceType Attribute values for child Nodes

Source Path	Value Attribute	Description Attribute
RealTimeSinceLastService		Real time passed since the sensor was last serviced.
RealTimeToNextService		Real time left until the sensor is scheduled for the next servicing.