《1203-CN11203-CN1》**1203-CN1

发布时间:2017-07-04

1203-CN1

1203-CN1

1203-CN1

梯形图逻辑控制顺序的设计,可以从手工绘制梯形图开始。在绘制过程中,设计员可以在仔细分析机床工作原理或动作顺序的基础上,用流程图,时序图等描述,信号与机床运行间的逻辑顺序关系,然后再据此设计梯形图的控制顺序。

    在梯形图中,要用大量的输入触点符号。设计员应搞清输入信号与“1”和“0”状态的关系。若外部信号触点是常开触点,当触点动作时(即闭合),则输入信号为“1”,若信号触点是常闭触点,当触点动作时(即打开),则输入信号为“0”。

    对一台特定的数控机床来说,只要能满足控制要求,对梯形图的结构、规模并没有硬性的规定。设计员可以按各种思路和逻辑方案进行编程。但理想的梯形图程序除能满足机床控制要求外,还应具有少的步数、短的顺序处理时间和易于理解的逻辑关系。

◆ 企业名称:厦门泰尼电气有限公司

◆ 主营业务:DCS,PLC

◆ 经营模式: 贸易 

◆ 贸易地区:  

◆ 联系人: 小黄《女士》

◆ 电话:

◆手机: 

◆ QQ:2917675397

◆ 传真: (备注“01006”收) 

◆ E-mail: 2917675397@qq.com 


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