PLC编程软件中梯形图检查模块的设计

Design of ladder diagram checking module in PLC software

梯形图是传统的PLC(可编程控制器)编程软件中非常重要的语言．本文将介绍一下PLC编程软件中梯形图语言检查模块的设计。主要介绍一下对梯形图程序检查的实现思路和具体的实现算法。

Ladder diagram is a very important language in traditional PLC（Programmable Logic Controller） software. The design of ladder diagram language checking module will be introduced in this paper. Realization idea and algorithm of ladder diagram program checking would be introduced mainly.