广东工业大学学报 ›› 2006, Vol. 23 ›› Issue (1): 77-80.

• 综合研究 • 上一篇    下一篇

S7-200系列PLC调试系统的实现方法

  

  1. 广东工业大学自动化学院; 广东工业大学自动化学院 广东广州510090; 广东广州510090;
  • 出版日期:2006-02-02 发布日期:2006-02-02

The Method of Realizing the Debugging System of S7-200 Series PLC

  1. (Faculty of Automation,Guangdong University of Technology,Guangzhou 510090,China)
  • Online:2006-02-02 Published:2006-02-02

摘要: 简要介绍了利用PC机作为上位机,S7-200 PLC作为下位机操作站时,通信所用的Modbus协议,详细讨论了S7-200系列PLC计算机调试系统的实现方法.运行结果表明此方法简单、灵活. 

关键词: 可编程逻辑控制器; Modbus协议; VC++串口通讯;

Abstract: The paper introduces the Modbus protocol briefly,which is the protocol used when computer communicates with S7-200 series Programmable Logic Controller.The method of realizing the debugging system of S7-200 series PLC is discussed in detail.The result shows that the method is simple and agile.

Key words: programmable logic controller; Modbus protocol; VC++ serial communication;

[1] 喻劲松,欧阳尔超,肖文华,倪效勇.  基于MODBUS协议的泵站自动化励磁通讯系统的实现[J]. 仪表技术与传感器. 2003(10)

[2] 汪锡建,欧健伟,王为.  MODBUS规约在前置机与现场微机设备间通讯应用[J]. 微计算机信息. 2002(03)
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