下载自OPC foundation，包含以下文件： OPC Common 1.10 : Proxy/Stub DLL; .NET Wrapper; IDL/Headers; Project Source Code OPC Server Enumerator 1.10 : DCOM EXE Server; IDL/Headers; Project Source Code OPC Data Access 2.05/3.00 : Proxy/Stub DLL; .NET Wrapper; IDL/Headers; Project Source Code OPC Data eXchange 1.00 : Proxy/Stub DLL; .NET Wrapper; WSDL/IDL/Headers; Project Source Code OPC Alarms & Events 1.10 : Proxy/Stub DLL; .NET Wrapper; IDL/Headers; Project Source Code OPC Batch 2.00 : Proxy/Stub DLL; .NET Wrapper; IDL/Headers; Project Source Code OPC Historical Data Access 1.10 : Proxy/Stub DLL; .NET Wrapper; IDL/Headers; Project Source Code OPC Commands 1.00 : Proxy/Stub DLL; .NET Wrapper; IDL/Headers; Project Source Code OPC Security : Proxy/Stub DLL; .NET Wrapper; IDL/Headers; Project Source Code