On account of working characteristics of preceding separation such as many devices , long processing line and pipelining etc . , auto - in - order control of msw processing line was realized with micro - programmable controller at human machine concurrent mode 为实现垃圾前分选处理工厂化和尽可能的自动化,针对前分选的设备较多,工艺路线很长,流水线式的工作特点,以人机协同方式,采用可编程控制器实现对整个生产线的自动按序控制。