8 OPC UA DataTypes ToC Previous Next

8.16 PortDirectionEnum ToC Previous Next

The enumeration PortDirectionEnum defines possible Port directions in Table 144. The Values and the associated Descriptions are based on the AutomationML semantic.

Table 144 – PortDirectionEnum Items

Name Value Description
In 0 Ports with the direction “In” can only be connected to ports with the direction “Out” or “InOut”.
Out 1 Ports with the direction “Out” can only be connected to ports with the direction “In” or “InOut”.
InOut 2 Ports with the direction “InOut” can be connected to ports with arbitrary directions.

The PortDirectionEnum representation in the AddressSpace is formally defined in Table 145.

Table 145 – PortDirectionEnum Definition

Attribute Value        
BrowseName PortDirectionEnum        
IsAbstract False        
References Node Class BrowseName DataType TypeDefinition Other
Subtype of 0:Enumeration defined in OPC 10000-5.          
0:HasProperty Variable 0:EnumValues 0:EnumValueType[] 0:PropertyType  

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