| LabVIEW与S7-200PLC基于PPI协议通讯的设计与实现 |
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| 引用本文： | 黄大伟.LabVIEW与S7-200PLC基于PPI协议通讯的设计与实现[J].自动化信息,2014(3):58-60. |
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| 作者姓名： | 黄大伟 |
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| 作者单位： | 中煤科工集团重庆研究院,重庆400037 |
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| 摘 要： | 针对工控领域中实时监控S7-200PLC状态和显示、处理其采集数据的需求，使用LabVIEW作为开发平台，通过调用VISA接口函数，在分析PPI协议读写指令的基础上，实现了LabVIEW与PLC串口通讯。
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| 关 键 词： | LabVIEW S7—200 PLC PPI协议 |
Design and Implementation of Data Communication between LabVIEW and S7-200 PLC Based on PPI Protocol |
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| HUANG Da-wei.Design and Implementation of Data Communication between LabVIEW and S7-200 PLC Based on PPI Protocol[J].Automation Information,2014(3):58-60. |
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| Authors: | HUANG Da-wei |
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| Affiliation: | HUANG Da-wei (Chongqing Research Institute of China Coal Technology Engineering Group, Chongqing 400037 ) |
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| Abstract: | In allusion to the demands of real-timely monitoring the statuses of S7-200 PLC and displaying and processing its collected data in the domain of industrial control, by using LabVIEW as a development platform, the data communication between LabVIEW and S7-200 PLC via the serial port is realized by means of calling the VISA interface function and on the basis of analyz- ing read- write commands of PPI protocol. |
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| Keywords: | LabVIEW S7-200 PLC PPI Protocol |
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