介绍了造纸类企业的自动生产线在原料供应系统改造工程中,可编程序控制系统的组成、特点、控制方式及系统软件设计,采用该控制系统后,解决了生产系统的薄弱环节,获得了良好的社会经济效益。针对这一情况,在实践教学中制定贴近工作岗位的教学模式。 This paper introduces the composition, characteristics, control mode and system software design of programmable control system in raw material supply system reconstruction project of automatic production line of papermaking enterprises. After this control system is adopted, the weak links of production system are solved and good Social and economic benefits. In response to this situation, in practice teaching to develop close to the job model of teaching.