DNP3 Windows SDK

DNP3 Demo Win DLL includes simple (Server & Client C programs )example using a Command window and command line inputs.

The source code will allow you to quickly compile your own examples with the features of your existing development environment to work with our DNP3 DLL.

FreyrSCADA DNP3 Windows SDK contains Win DLL (precompiled library), Static link lib, Demo Server & Client programs, Visual Studio Demo console project files, Doxygen .

We used Visual studio compiler to create the dll, sample test projects.




  • Royalty-free Readily deployable DNP3 Outstation Server and Client Master Stack on royalty-free basis
  • Developed in C language and can be ported to any Microcontroller platform
  • Enables faster firmware development of DNP3 enabled field devices
  • Supports all the major Group IDs and variations



This evaluation package allows you to:

  • Access product manual(API documentation)(pdf, Doxygen html)
  • Browse the DNP3 library API documentation
  • Study the source code of the DNP3 examples provided
  • Modify and compile the DNP3 examples
  • Create your own DNP3 programs and test with leading test tools like (ASE,...)
  • You can use the source code of the application examples and modify them according to your needs.

Minimum system requirements:

  • Windows XP, Vista, Windows 7, 8 and 10
  • Visual studio / Any IDE supports C & C++ Programming

You can also try our DNP3 Outstation Server Simulator, Client Simulator and DNP3 Linux SDK


Salient Features

    • Written in ANSI-Standard C Source Code, under a strict corporate coding standard, and supports C++, C#
    • Transparent licensing scheme - No hidden costs, No deferred payments.
    • High performance, robust and scalable architecture
    • Provides a simple method for systems integrators and OEMs to utilize standard tools to implement their systems
    • For Windows support C,C++, C# .NET Programming
    • Context-based event-driven model
    • Supports Serial, TCP IP Communication
    • Level 3 Compliance
    • Supports File Transfer ( File read, file write), Directory commands.
    • Supports unsolicited response, Octect String, Virtual Terminal Output
    • Supports "Select-Before-Operate" and "Direct-Execute" command execution modes
    • Support Binary Output(CROB) and Analog Output Commands, Clock time synchronization
    • device attributes support
    • support C, C++, C# languages
    • Supports, frozen counter input, frozen analog input Groups
    • Multiple Server and Client Simulation
    • Source Code Library allows a fast and cost efficient implementation
    • APIs are designed to be very easy to use and flexible


Get a free DNP3 Development Bundle

New updated Version of DNP3 Simulator & SDK (Software Development Kit) is available now.
FreyrSCADA DNP3 Development Bundle
In the Development Bundle, We included DNP3 Server & Client Simulator, Windows & Linux SDK.


* Required fields

We recommend using your Bussiness email address.
Your contact information will not be sold or used outside of our organization as per our privacy policy.