This ReferenceType is a subtype of the HasComponent ReferenceType defined in OPC 10000-5. Its representation in the AddressSpace is specified in Table 20.

Table 20 – HasInputVar ReferenceType

Attributes	Value
BrowseName	HasInputVar
InverseName	InputVarOf
Symmetric	False
IsAbstract	False
References	NodeClass	BrowseName	Comment
Subtype of HasComponent ReferenceType defined in OPC 10000-5

The HasInputVar ReferenceType is a concrete ReferenceType and can be used directly.

The semantic of this ReferenceType is to reference components of a Ctrl Program Organization Unit declared with the key word VAR_INPUT.

The SourceNode of References of this type shall be a subtype of CtrlProgramOrganizationUnitType or an instance of one of its subtypes.

The TargetNode of this ReferenceType shall be a Variable or an Object of the ObjectType CtrlFunctionBlockType or one of its subtypes.