MODBUS通信程序.可用于学习施耐得PLC通信、现在国产好多RTU都用MODBUS协议-MODBUS communications procedures. Learning can be used Shi able to endure PLC communications, now many domestic MODBUS RTU using agreement

打开远程telnet服务代码,在远程机器上运行，可打开对方机器的telent服务。-open remote telnet service code, the remote machines, machines can be opened to the plc services.