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小型PLC功能流程图编程的转换方法
引用本文:郭昆丽,黄杰,杨过.小型PLC功能流程图编程的转换方法[J].西安工程科技学院学报,2013(5):633-637.
作者姓名:郭昆丽  黄杰  杨过
作者单位:西安工程大学电子信息学院,陕西西安710048
基金项目:2012西安工程大学大学生创新创业资助项目(201203034)
摘    要:针对目前采用小型可编程序逻辑控制器(PLC)实现顺序控制所存在的问题,采用模块化转换思想,使用5种不同方法将顺序功能图转换为梯形图.提高了顺控编程方法的规律性,实现其编程方法的简单、实用.以西门子S7—200PLC为例进行实例转换分析,最后对各转换方法进行了综合比较.

关 键 词:PLC  顺序功能图  梯形图  模块化

The transformation method of functional flow chart programming wih small PLC
GUO Kun-li,HUANG J ie,YANG Guo.The transformation method of functional flow chart programming wih small PLC[J].Journal of Xi an University of Engineering Science and Technology,2013(5):633-637.
Authors:GUO Kun-li  HUANG J ie  YANG Guo
Institution:(School of Electronics and Information, Xi'an Polytechnic University, Xi' an 710048, China)
Abstract:According to the present weakness of the sequence control using small programmable logic controller (PLC), the modular transformation thought was adopted and five different methods to transfer sequential function chart (SFC) into ladder diagram (LAD) were used. It makes the programming method simple and practical. Finally, a transformation example based on SIEMENS S7-200 PLC was analyzed, and the comprehensive comparison of the conversion method was made.
Keywords:programmable logic controller(PLC)  sequential function chart(SFC)  ladder diagram(LAD)  modularization
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