采用Allen-Brdley 公司制造生产的ControlLogix5550 系列PLC 和与其配套的工控组态软件，实现对水泥熟料煅烧生产过程的自动监控。系统采用两级DCS 控制方式，下位机负责完成数据的采集、处理和向上位机进行信息传送，并接受上位机指令去完成各种过程控制等任务，上位机负责完成工艺过程的监视、操作、控制及PID 参数的调整，并完成数据处理及各种打印功能。该控制系统使用效果良好，功能稳定可靠。关键词：自动监控 PLC 工控机过程控制Abstract: The automatic monitor and control of cement chamotte calcination manufacturedprocess is realized by using ControlLogix 5550 PLC and the concerned configurationalsoftware,which are made by Allen-Brdley Company.The system adopts the ways2-stage DCS control.The inferior computer accomplishes the collection and dispose ofdata,and accepts the computer’s instructions so that it can send signals to accomplishesall kinds of processes control and other tasks,while the epistatic computer isresponsible for the task to monitor,handle,control and adjust PID parametor,then datadisposal and perform the functions of printing.The system is reliable and stable infunctions.Keywords: automatic monitored control; PLC; industrial control computer; process control