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随着通信技术不断的发展,采用通信方式来监视整个电站的运行情况应该说是监视控制系统的发展趋势之一,其有投资少、维护简单等优点。结合电站通信调试过程,介绍了Modbus通信协议在电站监控中的应用、调试中遇到的问题以及解决办法;主要介绍了不同PLC之间的串口转换,调试中协议双方之间的匹配,以及在设计通信之初就要注意的问题,特别是在运行中应该注意的方面等。
With the continuous development of communication technology, the use of communication to monitor the operation of the entire power plant should be said that the development of monitoring and control systems, which has the advantages of less investment and simple maintenance. In this paper, the application of Modbus communication protocol in power plant monitoring, the problems encountered in commissioning and solutions are introduced in connection with the commissioning process of power station communication. The serial port conversions between different PLCs and the matching between the two protocols in debugging are introduced. Design communication should pay attention to the beginning of the problem, especially in the operation should pay attention to aspects.