TOpcUaClient

Constructor

constructor TOpcUaClient.Create(AClientConfig:SpxClientConfig);

Connect

function TOpcUaClient.Connect():SpxBoolean; overload;

Connect with securitymode

function TOpcUaClient.Connect(ASecurityMode: SpxMessageSecurityMode;ASecurityPolicyUri: SpxString):SpxBoolean; overload;

Disconnect

function TOpcUaClient.Disconnect():SpxBoolean;

Client is connected

property TOpcUaClient.IsConnect:SpxBoolean read GetIsConnect;

Last error code

property TOpcUaClient.LastErrorCode: SpxStatusCode read GetLastErrorCode;

Get string error code

function TOpcUaClient.GetErrorInfoCode(AStatusCode: SpxStatusCode): SpxString;

Get error message

function TOpcUaClient.GetErrorInfoMessage(AStatusCode: SpxStatusCode): SpxString;

Find servers

function TOpcUaClient.FindServers(outAservers: SpxApplicationDescriptionArray):SpxBoolean;

Get endpoints

function TOpcUaClient.GetEndpoints(outAendpoints: SpxEndpointDescriptionArray):SpxBoolean;

Initialize session

function TOpcUaClient.InitSession():SpxBoolean;

Read value

function TOpcUaClient.ReadValue(AMaxAge:SpxDouble; ATimestampsToReturn:SpxTimestampsToReturn; AReadValueIdList:SpxReadValueIdArray; out Avalues: SpxDataValueArray):SpxBoolean;

Read history

function TOpcUaClient.ReadHistory(AIsReadModified:SpxBoolean; AStartTime,AEndTime: SpxDateTime; AnumValuesPerNode: SpxUInt32;AReturnBounds: SpxBoolean; AtimestampsToReturn: SpxTimestampsToReturn;AReleaseContinuationPoints: SpxBoolean; ANodesToRead:SpxHistoryReadValueIdArray; out AhistoryValues: SpxHistoryReadResultArray):SpxBoolean;

Write value

function TOpcUaClient.WriteValue(AWriteValueList: SpxWriteValueArray;outAResults: SpxStatusCodeArray):SpxBoolean;

Call method

function TOpcUaClient.CallMethod(AMethodsToCall: SpxCallMethodRequestArray;out AResults: SpxCallMethodResultArray): SpxBoolean;

Browse

function TOpcUaClient.Browse(AMaxReferencesPerNode:SpxUInt32; ABrowseDescriptions:SpxBrowseDescriptionArray; outABrowseResultList: SpxBrowseResultArray): SpxBoolean;

Browse next

function TOpcUaClient.BrowseNext(AReleaseContinuationPoints: SpxBoolean;AContinuationPoints: SpxByteArrayArray; outABrowseResultList: SpxBrowseResultArray): SpxBoolean;

Create subscription

function TOpcUaClient.CreateSubscription(APublishingEnabled: SpxBoolean;ASubscription: SpxSubscription; outASubcriptionId: SpxUInt32; out AsubscriptionResult: SpxSubscriptionResult):SpxBoolean;

Modify subscription

function TOpcUaClient.ModifySubscriptiont(ASubcriptionId: SpxUInt32;ASubscription: SpxSubscription; outASubscriptionResult: SpxSubscriptionResult): SpxBoolean;

Delete subscriptions

function TOpcUaClient.DeleteSubscriptions(ASubcriptionIds: SpxUInt32Array;out AResults: SpxStatusCodeArray): SpxBoolean;

Delete all subscriptions

function TOpcUaClient.DeleteAllSubscriptions:SpxBoolean;

Create monitored items

function TOpcUaClient.CreateMonitoredItems(ASubcriptionId: SpxUInt32;AMonitoredItems: SpxMonitoredItemArray; outAMonitoredItemResult: SpxMonitoredItemResultArray) :SpxBoolean; overload;

function TOpcUaClient.CreateMonitoredItems(ASubcriptionId: SpxUInt32;ATimestampsToReturn: SpxTimestampsToReturn; AMonitoredItems:SpxMonitoredItemArray; outAMonitoredItemResult: SpxMonitoredItemResultArray):SpxBoolean; overload;

function TOpcUaClient.CreateMonitoredItems(ASubcriptionId: SpxUInt32;ATimestampsToReturn: SpxTimestampsToReturn; AFilter:SpxDataChangeFilter; AmonitoredItems: SpxMonitoredItemArray;out AMonitoredItemResult: SpxMonitoredItemResultArray):SpxBoolean; overload;

function TOpcUaClient.CreateMonitoredItems(ASubcriptionId: SpxUInt32;ATimestampsToReturn: SpxTimestampsToReturn; AFilter:SpxAggregateFilter; AMonitoredItems: SpxMonitoredItemArray;out AmonitoredItemResult: SpxMonitoredItemResultArray):SpxBoolean; overload;

function TOpcUaClient.CreateMonitoredItems(ASubcriptionId: SpxUInt32;ATimestampsToReturn: SpxTimestampsToReturn; AFilter:SpxFilterParams; AMonitoredItems: SpxMonitoredItemArray;out AMonitoredItemResult: SpxMonitoredItemResultArray): SpxBoolean; overload;

Modify monitored items

function TOpcUaClient.ModifyMonitoredItems(ASubcriptionId: SpxUInt32;AMonitoredItems: SpxModifyMonitoredItemArray; outAMonitoredItemResult: SpxModifyMonitoredItemResultArray):SpxBoolean; overload;

function TOpcUaClient.ModifyMonitoredItems(ASubcriptionId: SpxUInt32;ATimestampsToReturn: SpxTimestampsToReturn; AMonitoredItems:SpxModifyMonitoredItemArray; outAMonitoredItemResult: SpxModifyMonitoredItemResultArray):SpxBoolean; overload;

function TOpcUaClient.ModifyMonitoredItems(ASubcriptionId: SpxUInt32;ATimestampsToReturn: SpxTimestampsToReturn; AFilter:SpxDataChangeFilter; AMonitoredItems: SpxModifyMonitoredItemArray;out AMonitoredItemResult: SpxModifyMonitoredItemResultArray):SpxBoolean; overload;

function TOpcUaClient.ModifyMonitoredItems(ASubcriptionId: SpxUInt32;ATimestampsToReturn: SpxTimestampsToReturn; AFilter:SpxAggregateFilter; AMonitoredItems: SpxModifyMonitoredItemArray;out AmonitoredItemResult: SpxModifyMonitoredItemResultArray):SpxBoolean; overload;

function TOpcUaClient.ModifyMonitoredItems(ASubcriptionId: SpxUInt32;ATimestampsToReturn: SpxTimestampsToReturn; AFilter:SpxFilterParams; AMonitoredItems: SpxModifyMonitoredItemArray;out AmonitoredItemResult: SpxModifyMonitoredItemResultArray):SpxBoolean; overload;

Set monitoring mode

function TOpcUaClient.SetMonitoringMode(ASubcriptionId:SpxUInt32; AMonitoringMode:SpxMonitoringMode; AMonitoredItemIds: SpxUInt32Array;out AResults: SpxStatusCodeArray): SpxBoolean;

Delete monitored items

function TOpcUaClient.DeleteMonitoredItems(ASubcriptionId: SpxUInt32;AMonitoredItemIds: SpxUInt32Array; outAResults: SpxStatusCodeArray): SpxBoolean;

Client class