【摘要】 介绍了用 S7—200系列 PLC,配以 TD200文本显示器、EM231模拟量输入模块等组成的小型 PLC控制系统,该系统能对电机的耐压试验进行自动控制及显示,并可手动控制,使用方便灵活。更多还原

【Abstract】 The paper deals with a small comtrol system of PLC made up of SIMTIC S7-200 PLC and its special module can control moter Voltage-withstand test and imdicate the data and make the procedure of test automatically come to an end. The system have functiom of manual and automaticall control test.the system is convenient and efficacious.更多还原