And then a suit of tension control system was developed,which takes S7-300 PLC of SIEMENS company as controller,takes TP27 touch panel as human machine interface(HMI),and takes multi-point interface as communication protocol.

• 并设计了一套以SIEMENS公司的S7-300可编程序控制器为控制器,以TP27触摸屏为人机界面,以多点接口为通信方式的张力控制系统。