Driver.StateMachine (PROP) ¶ PROPERTY StateMachine : IDatasources.IDriverStateMachine

Driver.TargetByteOrder (PROP) ¶ PROPERTY TargetByteOrder : IDatasources.ByteOrder Returns the byteorder used by the system managed by the related |IDatasource| . Note It is not expected that this value changes at runtime.

RequestFactory (FB) ¶ FUNCTION_BLOCK RequestFactory IMPLEMENTS IDataSources.IDriverRequestFactory, IDatasources.IDriverRequestFactoryCustom, IDatasources.IDriverRequestFactoryReusable no implementation of IDriverRequestFactoryLargeRequests necessary because PLCHandler already supports sending big lists using the normal read/write mechanism Properties: ReusableRequestsSupported Methods: CreateCustomRequest CreateReadRequest CreateReusableRequest CreateWriteRequest ReleaseRequest HelpCreateReadableRequestBase Structure: CreateCustomRequest (Method) CreateReadRequest (Method) CreateReusableRequest (Method) CreateWriteRequest (Method) Private HelpCreateReadableRequestBase (Method) ReleaseRequest (Method) ReusableRequestsSupported (Property)

RequestFactory.CreateCustomRequest (METH) ¶ METHOD CreateCustomRequest : IDatasources.IDriverCustomRequest InOut: Scope Name Type Return CreateCustomRequest IDatasources.IDriverCustomRequest Input request IDatasources.ICustomRequest

RequestFactory.CreateReadRequest (METH) ¶ METHOD CreateReadRequest : IDatasources.IDriverRequest InOut: Scope Name Type Comment Return CreateReadRequest IDatasources.IDriverRequest Input pItems POINTER TO IDatasources.IDataItem A pointer to an array of |IDataItem| instances that should be monitored. itemsCount DINT The number of items within the array.

RequestFactory.CreateReusableRequest (METH) ¶ METHOD CreateReusableRequest : IDatasources.IDriverRequestReusable InOut: Scope Name Type Return CreateReusableRequest IDatasources.IDriverRequestReusable Input pItems POINTER TO IDatasources.IDataItem itemsCount DINT

RequestFactory.CreateWriteRequest (METH) ¶ METHOD CreateWriteRequest : IDatasources.IDriverRequest InOut: Scope Name Type Comment Return CreateWriteRequest IDatasources.IDriverRequest Input pItems POINTER TO IDatasources.IDataItem A pointer to an array of |IDataItem| instances that should be written. itemsCount DINT The number of items within the array.

Private ¶ HelpCreateReadableRequestBase (Method)

RequestFactory.ReleaseRequest (METH) ¶ METHOD ReleaseRequest InOut: Scope Name Type Comment Input request IDatasources.IDriverRequest The request that should be released. The object will no longer be accessed after this call.

RequestFactory.ReusableRequestsSupported (PROP) ¶ PROPERTY ReusableRequestsSupported : BOOL