PLC与OP在综合测控系统的设计
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摘要
基于可编程控制器(PLC)与操作员面板(OP)创新结合的平台,提供了一个安全可靠、实时操作和高效快捷的测量和控制系统,不仅扩展了PLC的功能,使其具有图形化、交互式工作界面的独立系统,而且大大减少了操作台上开关、按钮、仪表等的使用数量,使得编程和操作工作非常轻松舒适。提出了利用西门子S7-300系列PLC、OP构成的综合测控系统设计方案。设计了测控系统的组成、PLC和OP硬件结构及软件框图、操作面板组态画面以及主要监测功能,在实际的应用中提高了自动化测试程度及测试的数据精度和准确性,取得了良好的应用效果。
Innovative combination based on PLC and OP is a platform that offers a safe,reliable,real-time operational solution,which is quick and efficient for the measurement and control system.This platform not only extends PLC functions including graphical and interactive interfaces,but also reduces the number of switches,buttons and instruments on the work stations.All of these advantages can make the programming and operation become very relaxed and comfortable.Here,this article presents a measurement and control system which is designed by choosing SIEMENS S7-300 PLC and OP as the hardware platform.System composition,hardware structure and software block diagram,HMI design and functions are introduced.In practice,the experimental results show that the system can achieve good effects in many aspects such as improving the automatic degree and precision and accuracy of the test.
Innovative combination based on PLC and OP is a platform that offers a safe,reliable,real-time operational solution,which is quick and efficient for the measurement and control system.This platform not only extends PLC functions including graphical and interactive interfaces,but also reduces the number of switches,buttons and instruments on the work stations.All of these advantages can make the programming and operation become very relaxed and comfortable.Here,this article presents a measurement and control system which is designed by choosing SIEMENS S7-300 PLC and OP as the hardware platform.System composition,hardware structure and software block diagram,HMI design and functions are introduced.In practice,the experimental results show that the system can achieve good effects in many aspects such as improving the automatic degree and precision and accuracy of the test.
引文
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[3]ZENG Wen-lian.Grinding control system based on PLC and fieldbus[J].Automation Application,2010(7):47-49.
[4]MA Xu-dong,CHEN Yong-qing,CHEN Chen.A computer integrated control system based on PLC and SCADA[J].Industrial Instrumentation&Automation,2002(5):35-37.
[5]孙淑惠,王辰.S7-300 PLC模拟量模块编程与应用[J].机床电器,2011(2):30-34.SUN Shu-hui,WANG Chen.Programming and application of S7-300 PLC analog module[J].Machine Tool Electric Apparatus,2011(2):30-34.
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