EK1122倍福

EK1122

　PLC梯形图是一种基于图形化表示方式的程序设计语言，用于描述程序的逻辑流程及控制流程。它主要以梯形结构来表达程序的逻辑关系，类似于电气原理图中的电路结构。图中的每个梯形表示一个逻辑判断或控制步骤，从左到右依次执行，后得出一个结果或控制输出。

　　PLC梯形图是根据PLC程序设计的逻辑流程图画出来的。PLC程序设计的逻辑流程图是由输入、处理和输出三个部分组成的，用于描述PLC系统中控制逻辑的运作过程。在梯形图中，输入和输出通常表示为开关、传感器和执行器等硬件元件，而所有的处理逻辑则以梯形的形式展现。

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