理论课教学过程中要使用多媒体教学手段，利用多种计算机技术制作以PPT为主体的电子课件，借助多媒体技术，用生动丰富的画面和美妙动听的音乐效果吸引学生的注意力，激发学生的学习兴趣，同时可以提高教学的效率。PLC的外部接线（包括主电路接线）首先讲原理图，结合实验、实训、实习讲解装配图与实际连线图，要让学生体会课堂上的原理图、实验中的接线与实训、实习中的接线的区别与联系，教会学生善于理论联系实践，以理论指导实践，以实践验证理论
设计输入电路时，应尽量采用常开触点，如果只能用常闭触点，梯形图中对应触点的常开/常闭类型应与继电器电路相反。
TSXFPC10
6DD1681-0EB2
要注意的是只用到一个PLSY指令，这是因为它的输出如所要求的那样，直接与四个电机中的每个相连(一个电机对应于一个窗户)。检测窗户位置为全开或全关，如果其中一个条件存在，与它对应的控制电机就关断。
按照摩尔定律的稳定发展，使得我们拥有了海量处理能力的机器。企业能够处理TB甚至PB级数据，从而强化决策层管理，不断发现新市场，优化过程。对于制造商而言，的挑战是收集数据并根据数据采取措施。为解决这一问题，目前涌现出三大技术趋势：
2设计的主要内容
2）软件模拟法是在PLC中另外编写一套模拟程序，模拟提供现场信号，其简单易行，但时效性不易保证。模拟调试过程中，可采用分段调试的方法，并利用编程器的监控功能。
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