Make possible to write modbus TCP and RTU master and slave. It can be used for testing purpose : It is shipped with slave simulator and a master with a web-based hmi (ok the hmi need to be improved :) ...

A Modbus master/simulator desktop application for testing Modbus RTU (RS-485/RS-232) and Modbus TCP/IP connections. This starts the RTU simulator on COM10 at 9600 baud.