This paper mainly states PLC SINEC H1 network architecture,reference model and protocols,and gives the example of programming method for network communication and the application to control system of middle density fibre-board(MDF).

• 论述可编程序控制器SINECH1网络的参考模型和网络协议并以中密度纤维板生产控制系统为例说明该网络通信的编程方法。