摘要：本文介绍S7-200 SMART与威纶通人机界面组建控制系统。重点介绍利用离散公式编制PID控制程序，利用触摸屏显示波动曲线，修正相关参数。
关键词: S7-200 SMART PID控制 STEP 7-Micro WIN SMART
Abstract: This paper introduces the control system of S7-200 SMART and HMI of Weinview.
Focuses on using the discrete formula PID control program, using the touch screen display curve
correction parameters.
Key words: S7-200 SMART PID STEP 7-Micro WIN SMART
【中图分类号】TF703.8 【文献标识码】B
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