stl编程语句汇总

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1、stl编程语句汇总s7-300PLC编程语句手册汇总S7-300编程语言与指令孟令生整理STEP7编程语言介绍.................................................................................................................................2数据类型...................................................................................

2、....................................................................3参数数据类型.........................................................................................................................................4PLC用户存储区的分类及功能.............................................

3、.....................................................................5指令操作数......................................................................................................................................5寻址方式..........................................................

4、.......................................................................................6状态字.....................................................................................................................................................8基本逻辑指令.........................

5、......................................................................................................................9置位和复位指令.............................................................................................................................11RS和SR触发器...........

6、.......................................................................................................................12跳变沿检测指令...................................................................................................................................12定时器与计数器指令..

7、.........................................................................................................................15计数器指令................................................................................................................................................

8、.20访问CPU的时钟存储器..................................................................................