功能指令SUB25的应用研究

Application Research of Function Instruction SUB25

为实现机床可编程控制器(PMC)程序结构的优化,在数控机床工作方式PMC程序段中引入功能指令SUB25代替常规的自锁结构,并结合排列组合的方法减少对机床物理输入点(DI点)的占用,其结果经生产验证是切实可行的。合理利用功能指令SUB25的输出特性,对于提高PMC程序的整体效能具有积极的作用和意义。

To optimize the structure of PMC program,the functional instruction SUB25 was introduced into the PMC program segment of the operational mode to replace the conventional self-locking structure,and the method of permutation and combination was used to reduce the occupancy of DI points,which was proved to be feasible by production verification. The rational use of the output characteristics of functional instruction SUB25 had a positive function and meaning on improving the overall efficiency of PMC program.