| 基于自由口模式的S7-200 PLC与上位机的通信 |
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| 引用本文： | 余中正,武玉,夏永胜,贡马林.基于自由口模式的S7-200 PLC与上位机的通信[J].微型机与应用,2011,30(13):42-44. |
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| 作者姓名： | 余中正 武玉 夏永胜 贡马林 |
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| 作者单位： | 1. 中国科学院等离子体物理研究所，安徽合肥,230001
2. 合肥工业大学机械与汽车工程学院，安徽合肥,230009 |
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| 基金项目： | 国家ITER计划(2008GB101000) |
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| 摘 要： | 详细说明了西门子S7-200 PLC在自由口模式下与上位机通信的实现,主要包括该系统的硬件构成,自由口通信协议的标准,以及上位机软件流程和主控PLC软件设计。通过自由口通信可实现对ITER导体穿缆测力测长系统的监控,将PLC数据传送至上位机,实现对数据的处理以及现场数据的实时显示和远程控制等功能。
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| 关 键 词： | PLC 通信协议 自由口模式 ITER导体穿缆测力测长系统 上位机 |
Communication between S7-200 PLC and host computer based on free-port mode |
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| Yu Zhongzheng,Wu Yu,Xia Yongsheng,Gong Malin.Communication between S7-200 PLC and host computer based on free-port mode[J].Microcomputer & its Applications,2011,30(13):42-44. |
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| Authors: | Yu Zhongzheng Wu Yu Xia Yongsheng Gong Malin |
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| Affiliation: | Yu Zhongzheng 1,Wu Yu 1,Xia Yongsheng 2,Gong Malin 1 (1.Institute of Plasma Physics,CAS,Hefei 230001,China,2.School of Mechanical and Automotive Engineering,Hefei University of Technology,Hefei 230009,China) |
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| Abstract: | The communication between the Siemens S7-200 PLC and the host computer under the free-port mode is illuminated in detail.The system hardware configuration and the standard free port communication protocols are included and the software program designing method for host PC and main PLC are also given.This communication is applied to monitor the force and length measurement system for ITER conductor insertion and transport data from PLC to the host computer and also realize the function of data processing,rea... |
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| Keywords: | PLC communication protocol free-port mode force and length measurement system for ITER conductor insertion host computer |
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