developed through the PLC automation equipment can be "intelligent" control.

The design is in this context, using Siemens S7-200PLC modernization of the ordinary program-controlled machine tools for transformation, discussed the control flow of the choice and then use the configuration software on the PLC control system man-machine interface control.

KEY WORDS: programmable logic controller, control flow, configuration software

目 录

摘 要 .................................................. 1

前 言 .................................................. 5

第1章 绪论 ............................................ 6

1.1 程控机床的发展前景及意义 ........................ 6

1.2 机床改造方案的确定及系统的选择 .................. 7

1.2.1 CA6140车床的概述 .......................... 7

1.2.2 对CA6140车床控制系统的选择 .............. 10

第2章 控制系统设计 ................................... 17