ISA95ReturnEnum 
It describes the possible return status from a Method call.
The fields of the ISA95ReturnEnum DataType are defined in the following table:
| Name | Value | Description |
|---|---|---|
| Undefined | 0 | Undefined value, should never be seen. |
| NoError | 1 | There were no errors in processing the method. |
| InvalidJobOrderID | 2 | The referenced job order ID is invalid or not known to the receiver. |
| UnableToAcceptJobOrder | 3 | The server is currently unable to accept job orders. |
| UnableToAcceptJobOrderCommand | 4 | The server is currently unable to accept job order commands for the specified job order. |
| UnableToReturnJobResponse | 5 | The server is unable to provide a Job Response for the specified Job Order. |
The representation of the ISA95ReturnEnum DataType in the address space is shown in the following table:
| Name | Attribute |
|---|---|
| NodeId | ns=1;i=3009 |
| NamespaceUri | http://opcfoundation.org/UA/ISA95-JOBCONTROL |
| BrowseName | ISA95ReturnEnum |
| IsAbstract | False |
| SubtypeOf | Enumeration |
| Categories |
The references from the ISA95ReturnEnum DataType Node are shown in the following table:
| Reference | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| HasProperty | Variable | EnumValues | EnumValueType[] | PropertyType | Mandatory |