基于PROFINET的复卷机自控系统  

PROFINET-based Rewinder Control System

作　　者：孟彦京[1] 尹海[1] 

机构地区：[1]陕西科技大学电气与信息工程学院,西安710021

出　　处：《化工自动化及仪表》2011年第10期1247-1250,共4页Control and Instruments in Chemical Industry

摘　　要：结合复卷机的工作过程及其高精度要求,以S7-300PLC为核心,运用G120和MP277,通过PROFINET通信协议实现了复卷机与PLC之间的通信,系统的配置和组态由STEP7完成。详细介绍了底辊负荷分配、退纸辊张力控制和压纸辊压力控制的实现方法及其流程。实际运行证实了该系统运行稳定、可靠,控制精度也较高。Considering the working process and high precision of paper rewinder,the communication between rewinder and PLC was attained by having S7-300PLC,G120 and MP277 and Profinet communication protocol based and the system configuration finished through STEP7;and the load distribution over lower rolls,the reeling-off tension control and the feed roller pressure control were expounded.Its application in a 4200/2000 high speed rewinder proves the stability and reliability of this system.

关 键 词：复卷机 S7-300PLC 底辊负荷分配 退纸张力 压纸辊压力 PROFINET通信协议 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]