dvp-es2 操作手册 –程序篇

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1、DVP-ES2操作手册–程序篇目录1PLC梯形图的基本原理1.1PLC扫描方法..............................................................................................................1-21.2信号流向....................................................................................................................

2、...1-31.3常开,常闭节点.............................................................................................................1-31.4PLC继电器和寄存器....................................................................................................1-41.5梯形图符号.......................

3、............................................................................................1-51.5.1创建一个PLC梯形图程序.........................................................................1-61.5.2LD/LDI(常开或者常闭节点的载入)...........................................................1-71

4、.5.3LDP/LDF(上升沿或者下降沿指令的载入)................................................1-71.5.4AND/ANI(常开节点或常闭节点的串接)....................................................1-71.5.5ANDP/ANDF(上升沿或下降沿节点的串接)..............................................1-71.5.6OR/ORI(常开节点或常闭节点的并接)...............

5、.......................................1-81.5.7ORP/ORF(上升沿或下降沿节点的并接)..................................................1-81.5.8ANB(区块串接)..........................................................................................1-81.5.9ORB(区块串接).................................

6、.........................................................1-81.5.10MPS/MRD/MPP(Branchinstructions分支指令)....................................1-91.5.11STL(步进梯形程序)..................................................................................1-101.5.12RET(返回)...................

7、.............................................................................1-101.6梯形图和指令的转换...................................................................................................1-111.7梯形图的化简......................................................................

8、.......................................1-151.8常用基本程序设计范例...................