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OPCTunneller

Allows OPC (classic) data transfers between computers over TCP/IP (possible SSL) without DCOM

Components
  • Server side
    • NKOpcTnlSrv.exe (Service)
      • (ssl) socket server listen for incomming client calls
      • Interact with the OPC servers and serialize in/out COM function calls from/to TCP/IP stream
    • NkTnlServerCnf.exe
      • Configuration Tool: change server properties; interact with the service
  • Client side
    • NKTnlClient.dll
      • COM server component and proxy for the remote OPC Server
      • For the OPC Client is the network connection fully transparent
    • NkTnlClientCnf.exe
      • Manage the tunnel connections
      • Select remote OPC Servers
      • Test connections
Operating System
  • Microsoft Windows7 or (maybe) greater
Build Environment
  • Microsoft Visual Studio 2017
  • OpenSSL 1.0.2x (x86) installed e.g. -> Win32 OpenSSL
    • User Makro
      • Set OpenSSL_Include_Path to OpenSSl Header Path e.g. "C:\Program Files (x86)\OpenSSL-Win32\include"
      • Set OpenSSL_Lib_Path to OpenSSl library Path e.g. "C:\Program Files (x86)\OpenSSL-Win32\lib"
  • Register bin\NKTnlClient(D).dll with regsrv32.exe and call bin\ NkTnlSrv(D).exe -register to add information to the registry for the configuration tools
Dependencies