一个开放的plc程序，可供开发国产的PLC应用。很好哟。-An open plc program, made available to develop the PLC application. Good yo.

stm32在IAR下开发的PLC底层程序可直接用三菱PLC软件操作(develop; open up; exploit; empolder develop; open up; exploit; empolder bottom; ground floor; first floor; basement; rough coat procedure; order; program; software; formality ut directum Mitsubishi software