Description
1.首先要看懂电气原理图,电路图是发展的基础,既然PLC可以取代继电器和接触器控制,那相应的基础电路原理是肯定要知道的!
2.了解PLC的基本结构和动作原理。既然要学习PLC技术,肯定要对PLC做一个了解,至少需要知道PLC是什么,主要由哪几部分构成,合个部分
都有什么作用以及简单的了解PLC的扫描过程,动作原理,工作状态等等,基础的需要了解,这..
3.掌握基础的梯形图。梯形图是PLC编程的一种方式,了解基础的梯形图,可以从最简单的基础电路入手,慢慢练习将简单的电路图转化为PLC
梯形图,梯形图是一定需要掌握的!
4.学习基本的编程语言和编程指令。编程语言和逻辑指令是PLC可以识别的逻辑语言, 就像人说的话-样,所以我们要弄清楚PLC基本的逻辑语
言,因为逻辑指令或者逻辑语言是PLC可以听懂的话,基础的编程指令:LD , LDI, AND等等, ….
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