Constants

Status codes

// Everything is as expected

SpxStatusCode_Good: SpxStatusCode = $00000000;

// Something unexpected occurred but theresults still maybe useable

SpxStatusCode_Uncertain: SpxStatusCode =$40000000;

// An error occurred

SpxStatusCode_Bad: SpxStatusCode = $80000000;

// The requested operation is not supported

SpxStatusCode_BadNotSupported: SpxStatusCode =$803D0000;

// The node id refers to a node that doesnot exist in the server address space

SpxStatusCode_BadNodeIdUnknown: SpxStatusCode= $80340000;

// The client did not specify all of the inputarguments for the method

SpxStatusCode_BadArgumentsMissing:SpxStatusCode = $80760000;

// One or more arguments are invalid

SpxStatusCode_BadInvalidArgument:SpxStatusCode = $80AB0000;

// The history details parameter is not valid

SpxStatusCode_BadHistoryOperationInvalid:SpxStatusCode = $80710000;

Node IDs

// The root of the server address space

SpxNodeId_RootFolder = 84;

// The browse entry point when looking forobjects in the server address space

SpxNodeId_ObjectsFolder = 85;

// The abstract base type for all hierarchicalreferences

SpxNodeId_HierarchicalReferences = 33;

// The current status of the server

SpxNodeId_Server_ServerStatus = 2256;

// Start time

SpxNodeId_Server_ServerStatus_StartTime =2257;

// Current time

SpxNodeId_Server_ServerStatus_CurrentTime =2258;

// State server

SpxNodeId_Server_ServerStatus_State = 2259;

// Build info

SpxNodeId_Server_ServerStatus_BuildInfo =2260;

// Product uri

SpxNodeId_Server_ServerStatus_BuildInfo_ProductUri= 2262;

// Manufacturer name

SpxNodeId_Server_ServerStatus_BuildInfo_ManufacturerName= 2263;

// Product name

SpxNodeId_Server_ServerStatus_BuildInfo_ProductName= 2261;

// Software version

SpxNodeId_Server_ServerStatus_BuildInfo_SoftwareVersion= 2264;

// Build number

SpxNodeId_Server_ServerStatus_BuildInfo_BuildNumber= 2265;

// Build date

SpxNodeId_Server_ServerStatus_BuildInfo_BuildDate= 2266;

// Seconds till shutdown

SpxNodeId_Server_ServerStatus_SecondsTillShutdown= 2992;

// Shutdown reason

SpxNodeId_Server_ServerStatus_ShutdownReason =2993;

Security policies

SpxSecurityPolicy_None =  'http://opcfoundation.org/UA/SecurityPolicy#None';

SpxSecurityPolicy_Basic128Rsa15 = 'http://opcfoundation.org/UA/SecurityPolicy#Basic128Rsa15';

SpxSecurityPolicy_Basic256 = 'http://opcfoundation.org/UA/SecurityPolicy#Basic256';

SpxSecurityPolicy_Basic256Sha256 = 'http://opcfoundation.org/UA/SecurityPolicy#Basic256Sha256';

Attributes

// The canonical identifier for the node

SpxAttributes_NodeId = 1;

// The class of the node

SpxAttributes_NodeClass = 2;

// A non-localized, human readable name forthe node

SpxAttributes_BrowseName = 3;

// A localized, human readable name for thenode

SpxAttributes_DisplayName = 4;

// A localized description for the node

SpxAttributes_Description = 5;

// Indicates which attributes are writeable

SpxAttributes_WriteMask = 6;

// Indicates which attributes are writeable bythe current user

SpxAttributes_UserWriteMask = 7;

// Indicates that a type node may not beinstantiated

SpxAttributes_IsAbstract = 8;

// Indicates that forward and inversereferences have the same meaning

SpxAttributes_Symmetric = 9;

// The browse name for an inverse reference

SpxAttributes_InverseName = 10;

// Indicates that following forward referenceswithin a view will not cause a loop

SpxAttributes_ContainsNoLoops = 11;

// Indicates that the node can be used tosubscribe to events

SpxAttributes_EventNotifier = 12;

// The value of a variable

SpxAttributes_Value = 13;

// The node id of the data type for thevariable value

SpxAttributes_DataType = 14;

// The number of dimensions in the value

SpxAttributes_ValueRank = 15;

// The length for each dimension of an arrayvalue

SpxAttributes_ArrayDimensions = 16;

// How a variable may be accessed

SpxAttributes_AccessLevel = 17;

// How a variable may be accessed after takingthe user's access rights into account

SpxAttributes_UserAccessLevel = 18;

// Specifies (in milliseconds) how fast theserver can reasonably sample the value for changes

SpxAttributes_MinimumSamplingInterval = 19;

// Specifies whether the server is activelycollecting historical data for the variable

SpxAttributes_Historizing = 20;

// Whether the method can be called

SpxAttributes_Executable = 21;

// Whether the method can be called by thecurrent user.

SpxAttributes_UserExecutable = 22;