IIoDrvEIPAcylicServices (ITF) ¶ INTERFACE IIoDrvEIPAcyclicServices An interface for connected and unconnected messages. Methods: IoDrvCloseClass3Connection IoDrvOpenClass3Connection IoDrvSendClass3ConnectedMessage IoDrvSendUnconnectedMessage Structure: ConnectedMessages IoDrvCloseClass3Connection (Method) IoDrvOpenClass3Connection (Method) IoDrvSendClass3ConnectedMessage (Method) UnconnectedMessages IoDrvSendUnconnectedMessage (Method)

ConnectedMessages ¶ IoDrvCloseClass3Connection (Method) IoDrvOpenClass3Connection (Method) IoDrvSendClass3ConnectedMessage (Method)

IIoDrvEIPAcylicServices.IoDrvCloseClass3Connection (METH) ¶ METHOD IoDrvCloseClass3Connection : UDINT This method closes a connection, which was opened with IoDrvOpenClass3Connection. The return value is the error code of the driver. InOut: Scope Name Type Return IoDrvCloseClass3Connection UDINT Inout tCloseC3Connection EIP_CloseClass3Connection

IIoDrvEIPAcylicServices.IoDrvOpenClass3Connection (METH) ¶ METHOD IoDrvOpenClass3Connection : UDINT This message opens a connection. The return value is the error code of the driver. InOut: Scope Name Type Comment Return IoDrvOpenClass3Connection UDINT Inout tOpenC3Connection EIP_OpenClass3Connection Parameters for opening a connection.

IIoDrvEIPAcylicServices.IoDrvSendClass3ConnectedMessage (METH) ¶ METHOD IoDrvSendClass3ConnectedMessage : UDINT This method sends a connected class 3 connection. Before a message could be send, a connection must be established with IoDrvOpenClass3Connection. The return value is the error code of the driver. InOut: Scope Name Type Comment Return IoDrvSendClass3ConnectedMessage UDINT Inout tSendC3ConnectedMessage EIP_SendClass3ConnectedMessage Parameter for sending a message

UnconnectedMessages ¶ IoDrvSendUnconnectedMessage (Method)

IIoDrvEIPAcylicServices.IoDrvSendUnconnectedMessage (METH) ¶ METHOD IoDrvSendUnconnectedMessage : UDINT This methoed send a unconnected message to an adapter. It is not neccessary to establish a connection before. The return value is the error code of the driver InOut: Scope Name Type Comment Return IoDrvSendUnconnectedMessage UDINT Inout tSendUnconnectedMessage EIP_SendUnconnectedMessage Parameters for sending an unconnected message

InterfacesIDs (GVL) ¶ InOut: Scope Name Type Initial Constant ITFID_ICmpIoDrvEIPAcyclicServices DWORD 16#5E

OperationStates (GVL) ¶ InOut: Scope Name Type Initial Constant EIP_NOT_ENABLED WORD 0 EIP_INVALID_PARAMETER WORD 1 EIP_PENDING WORD 2 EP_RETRY WORD 3 EIP_DONE WORD 4 EIP_ERROR WORD 5

UnconnectedMessages ¶ EIP_SendUnconnectedMessage (Struct)