7.16.5 UnloadByNodeId Method
The signature of this Method is specified below.
Signature
UnloadByNodeId (
[in] 0:ExpandedNodeId Id
[out] 0:Int32 Status
);Table 80 specifies the Arguments.
| Argument | Description |
| Id | Expanded NodeId of the module to be unloaded |
| Status | 0 - OK - Everything is OK 1 - E_SystemState - The system is not in correct state for this operation 2 - E_UnexpectedError - Unexpected Error during the method call 3 - E_ActiveAlarm - An Active Alarm prevents the system start 4 - E_AcknowledgeRequired - Condition needs to be acknowledged <0 - shall be used for vendor-specific errors. >0 - are reserved for errors defined by this and future standards |
The UnloadByNodeId Method is called by a Client to unload a task module from a task control. This only works if the task modules are expressed in the address space (7.22).
The possible Method result codes are formally defined in the table below.
| Result Code | Description |
| Good | The task control operation succeeded |
| Bad_InternalError | The task control operation failed because of an internal error |
| Bad_ResourceUnavailable | The Method is locked by another Client/Clientgroup |
| Bad_UserAccessDenied | The caller is not allowed to call this Method. |
The UnloadByNodeId Method representation in the AddressSpace is formally defined in Table 82. This method might not always result in a state change from Ready to Idle.
| Attribute | Value | ||||
| BrowseName | UnloadByNodeId | ||||
| References | NodeClass | BrowseName | DataType | TypeDefinition | ModellingRule |
|---|---|---|---|---|---|
| 0:HasProperty | Variable | 0:InputArguments | 0:Argument[] | 0:PropertyType | 0:Mandatory |
| 0:HasProperty | Variable | 0:OutputArguments | 0:Argument[] | 0:PropertyType | 0:Mandatory |
| ConformanceUnits | |||||
|---|---|---|---|---|---|
| Rob Task Control Operation |