一个完整的RTU程序源码,用DOS平台,支持16串口,在天津港用的很多,8个规约103,modbus,cdt,1801,u4f-a complete source RTU procedures, and DOS platforms, support 16 serial, in the Tianjin Port many, 8 Statute 103, modbus connection, cdt, 1801, u4f

1801 规约根据美国SCI 公司SC-RTU 通信规约编译形成的-1801 protocol according to the America company SCI SC-RTU communication protocol compiler formation