The different characteristics between S/R instruction and Step Ladder instruction (STL) for designing sequential control program of PLC are putted forward passing through comparison.
通过比较，指出了S/R指令和步进指令在设计PLC顺序控制程序时所具有的不同特点。
To introduce digital logic program designing method of microminiature PLC application to circular cooling water system.
介绍超小型可编程控制器(plc)在循环冷却水系统应用中数字逻辑的程序设计方法。
To introduce digital logic program designing method of microminiature PLC application to circular cooling water system.
介绍超小型可编程控制器(plc)在循环冷却水系统应用中数字逻辑的程序设计方法。
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