ComponentConstants (GVL) ¶ Attributes: qualified_only InOut: Scope Name Type Initial Constant DatasourcesComponentName STRING ‘DatasourceSymbolic’ ComponentId UDINT 16#1091

Logging ¶ Assert (Function) ErrorPLCHToString (Function) ErrorToString (Function) LogComponent (FunctionBlock) FB_Exit (Method) FB_Init (Method) Severity (Enum)

MapErrorCode (FUN) ¶ FUNCTION MapErrorCode : SysTypes.RTS_IEC_RESULT InOut: Scope Name Type Return MapErrorCode SysTypes.RTS_IEC_RESULT Input err PLCH.Error

MapErrorCodeFailedAsConnLost (FUN) ¶ FUNCTION MapErrorCodeFailedAsConnLost : SysTypes.RTS_IEC_RESULT At the moment the PLCHandler returns only Failed in case of a connection loss when waiting for a service In situations where we expect this behaviour, this method can be called which will then return a more specific error code. InOut: Scope Name Type Return MapErrorCodeFailedAsConnLost SysTypes.RTS_IEC_RESULT Input err PLCH.Error

PlcHandlerAccess ¶ AsyncBase (FunctionBlock) CanTrigger (Method) FB_Init (Method) JoinLastAction (Method) LastActionCompleted (Property) LastActionFailed (Property) Reset (Method) TriggerCall (Method) TriggerCallWithTaskInfo (Method) AsyncWrapper (FunctionBlock) Connect (Method) DefineVarList (Method) Disconnect (Method) Init (Method) ReleaseRequest (Method) SyncDefineVarList (Method) SyncReadVarList (Method) SyncReadVarListFromPlc (Method) SyncReadVars (Method) SyncSendService (Method) SyncWriteVarListToPlc (Method) TriggerConnect (Method) TriggerDefineVarList (Method) TriggerDisconnect (Method) TriggerReleaseRequest (Method) TriggerSyncDefineVarList (Method) TriggerSyncReadVarList (Method) TriggerSyncReadVarListFromPlc (Method) TriggerSyncReadVars (Method) TriggerSyncSendService (Method) TriggerSyncWriteVarListToPlc (Method)

RuntimeCredentialsHandler (FB) ¶ FUNCTION_BLOCK RuntimeCredentialsHandler A utility function block for the work with credentials, storing them at the correct location in the INI-String and resetting them both in the caller and after usage in the INI-String InOut: Scope Name Type Comment Input pIniString POINTER TO BYTE The ini-string that should be modified at need xAssignCredentials BOOL Whether the fb should become active or not xResetPassedCredentials BOOL could become an option in the future whether credentials should be asked on every connection; for now we use the same behaviour than dataserver (keeping credentials) Inout userName STRING The username to write to ini; will be resetted after writing to ini (thus VAR_IN_OUT) password STRING The username to write to ini; will be resetted after writing to ini (thus VAR_IN_OUT) Output error SysTypes.RTS_IEC_RESULT Methods: ResetIniContent Structure: ResetIniContent (Method)

GlobalVariables ¶ GVL (GVL) GVL_EarlyInit (GVL)

GVL (GVL) ¶ Attributes: qualified_only InOut: Name Type logger Logger alloc Allocator

GVL_EarlyInit (GVL) ¶ Attributes: qualified_only InOut: Name Type Comment applicationName STRING _appNameHelper AppNameHelper only for automatic assignment of applicationName

Structs ¶ ConnectionSetup (Struct) DriverCfg (Struct)