| 以PLC为通信主站的Modbus控制网络的设计与实现 |
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| 引用本文： | 潘迪夫,习可.以PLC为通信主站的Modbus控制网络的设计与实现[J].现代电子技术,2010,33(5):142-144. |
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| 作者姓名： | 潘迪夫 习可 |
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| 作者单位： | 中南大学,交通运输工程学院,湖南,长沙,410075 |
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| 摘 要： | 为实现以PLC为控制中心的架车式称重调簧系统，提出以PLC作为Modbus通信主站、配合多数量、多种类的通信从站的网络建立的方法，并采用S7—200PLC、计算机和两种智能传感器，构建一个以PLC为通信主站的Modbus控制网络，对主站、从站的配置和程序设计进行了详细的说明。实践结果表明，此网络系统数据传输可靠准确，系统实时性与稳定性均能满足机车称重调簧系统应用的要求。
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| 关 键 词： | Modbus协议 PLC 通信主站 控制网络 |
Design and Implementation of Modbus Control System Based on PLC as Master Station |
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| PAN Difu,XI Ke.Design and Implementation of Modbus Control System Based on PLC as Master Station[J].Modern Electronic Technique,2010,33(5):142-144. |
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| Authors: | PAN Difu XI Ke |
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| Affiliation: | PAN Difu,XI Ke(School of Traffic&Transportation Engineering,Central South University,Changsha,410075,China) |
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| Abstract: | To realize the PLC control system of locomotive body test-rig for weighting and spring adjusting,it puts forward the method of constructing communication,which is composed of PLC Modbus master station and multiple various Modbus slave stations.At the same time,with one S7-200 PLC,one computer and two kinds of intelligent sensors,it is built that a typical control system taking PLC as Modbus master station,and then illuminated in detail the configuration and software design master station and slavers.The pra... |
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| Keywords: | PLC |
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