基于变频器RS485通信的自动抓棉机控制系统设计  

Design of Control System of Automatic Bale Plucker Based on Converter RS485 Communication

作　　者：蒋玲[1] JIANG Ling(School of Electrical Engineering,Wuhu Institute of Technology,Wuhu 241006,China)

机构地区：[1]芜湖职业技术学院电气工程学院

出　　处：《西安文理学院学报（自然科学版）》2019年第6期31-35,共5页Journal of Xi’an University(Natural Science Edition)

基　　金：安徽省高校自然科学研究重点项目(KJ2018A0700);安徽省高校优秀中青年骨干人才国内外访学研修重点项目(gxfxZD2016359);安徽省高等学校教育质量与教学改革工程项目(2017jyxm0629;2016ckjh228;2016mooc319;2016jyxm1124);安徽省职业与成人教育学会2018年度教育科研规划课题项目(AGZ18041)

摘　　要：设计了一种基于变频器RS485通信的自动抓棉机控制系统,该控制系统中,PLC通过RS485总线将来自触摸屏、外部主令单元的控制信息和数据送至现场变频器,通过I/O方式控制现场三相交流异步电机、伺服电机、步进电机,进而实现抓棉、松棉、除去杂质和混合原料等操作;通过TPC触摸屏中简单的图形和颜色直观实时监控抓棉机运行状态和参数信息,具有良好人机交互界面.实践表明,该系统大大提高了抓棉机控制系统的自动化水平和网络通信能力,操作简单,维护方便,运行稳定,具有推广应用价值.In this paper,an automatic bale plucker based on converter RS485 communication is designed.In this control system,PLC sends control information and data from touch screen and external master unit to field converter through RS485 bus,and controls field three-phase AC asynchronous motor,servo motor and stepper motor by I/O mode,thus realizing the operations of cotton grabbing,loosening cotton,removing impurities and mixing raw materials.Through the simple graphics and colors in TPC touch screen,the operation status and parameters of bale plucker can be intuitively monitored in real-time.It has a good human-computer interaction interface.Practice shows that the system greatly improves the automation level and network communication ability of the control system of bale plucker.It is simple to operate,convenient to maintain,stable to operate,and has the value of popularization and application.

关 键 词：RS485 自动抓棉机 FR-E700变频器 TPC7062TI FX3UPLC 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]