针对某污水处理工程工艺流程的控制要求,设计了一套以PLC为控制中心的控制系统,对该系统的功能、硬件配置、软件设计思想和程序结构进行了讨论.实际运行表明,该系统合理、有效和可靠.%According to the control demand of sewage treatment process, a set of control system in which PLC is the control center is designed, the system function, hardware configuration, software design ideal and program architecture are analyzed.The fact showed that the system is reasonable,available and reliable.
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