【摘要】 本文介绍一套大中型专用粉生产线ＰＬＣ自动控制系统，简述了该控制系统的组成、控制模块、硬件框图、自控原理及软件框图，并与国外引进设备作性能比较，该系统可满足国内大中型专用粉生产线对自动控制和微机信息管理系统的要求，也可替代进口成套设备。更多还原

【Abstract】 The paper introduees a set of large-and mlddle-sized PLC automatic controlsystems in patent flour production lines and decribes briefly its composition,control block,hard-ware framework, automatic control principle and software framework.Compared with the func-tion of the equiprnent imported abroad,this system can replace completcly imported equipment tomeet the demand of the mational large-aid meditium-sized patent flour production lines for theautomatic control and information managerial system of conputer.更多还原