PortDirectionEnum 
determines whether the port is an inlet and outlet or both.
The fields of the PortDirectionEnum DataType are defined in the following table:
| 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 representation of the PortDirectionEnum DataType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | ns=1;i=3014 |
| NamespaceUri | http://opcfoundation.org/UA/Pumps/ |
| BrowseName | PortDirectionEnum |
| IsAbstract | False |
| SubtypeOf | Enumeration |
| Categories |
The references from the PortDirectionEnum DataType Node are shown in the following table:
| Reference | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| HasProperty | Variable | EnumValues | EnumValueType[] | PropertyType | Mandatory |