About project

libmodbus4r –a wrapper for library libmodbus wrote in Ruby. libmodbusbout project – a free implementation of protocol ModBus TCP\RTU for Linux and OSX operation systems. It’s very fast and stable library wrote in C. Goal of project is ability writing application in Ruby that use ModBus protocol for communication with devices.


  1. Use wrote in C library - libmodbus;
  2. Support only Ruby 1.9
  3. Implementation TCP master and RTU master;
  4. Support function of protocol: