说明：  此实例是酿造水处理的控制系统 。系统采用西门子S7-226PLC 一个数字量输出模块(EM222)和一个模拟量输入模块(EM231)。人机界面HMI采用台达的触摸屏(DOP-AS57BSTD).除此之外还有变频器的PID控制等。希望能给各位同仁有所帮助！！
(This instance the control of the brewing water treatment system. System using the Siemens S7-226PLC A digital output module (EM222) and an analog input module (EM231). Man-machine interface HMI the touchscreen Delta (DOP-AS57BSTD). Addition to the PID control of the inverter. I hope to give my colleagues help! !)