基于PLC的自动送料小车的控制系统设计.doc
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- 基于 PLC 自动 小车 控制系统 设计
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1、摘要可编程序控制器(Programmable controller)简称PLC,由于PLC的使用方便,编程简单,功能强大,性价比比较高,需求硬件配套齐全,可适应性极强,可靠性较高,而且抗干扰能力强,适应较强,系统的设计、安装、调试工作量少,故障维修方便等特点,所以PLC在应用领域在迅速扩大。对早期的PLC来说,凡是有继电器的地方,都可采用 PLC来代替。而对如今的PLC来说几乎可以说凡是需要控制系统存在的地方就需要PLC。尤其是近几年来,PLC的成本下降,功能、性能也在不断得在增强,所以,目前PLC在国内外已被广泛应用于各个行业。我们多知道以前我们得运输的小车一般多是用继电器,但是我们多知道继
2、电器有很多的缺点,比如说检查维修不易,并且继电器出现故障的得几率也比较大,同时需要的接触点多,接线也是十分复杂,而相对于继电器来说,PLC就有着很多明显的优势了,不但在工作场合上,还是在整个市场营销上也有着突出的地位,是现在的主流控制器,所以,不用继电器而是用PLC来代替已经成为发展的主流方向。这次的运料小车PLC控制设计,使得运料小车在生产生活中手动与自动的生产方式得了明显结合,提高了我们的工作效率,降低了工作成本,通过搭配智能寻路等附加功能,大大增加了送料小车的工作能力。本文以送料小车整体的构想和设计方案为切入,首先本文从第一章送料小车的系统方案的确定为切入点,介绍了为什么选用PLC控制小
3、车;第二章介绍了送料小车的应达到的控制要求;第三章进行编程软件及选择的PLC的介绍;第三章进行编程软件及选择的PLC的介绍;第四章包括软件编程,包括程序梯形图,PLC端口接线图,得出结论。关键词 :送料小车,PLC,自动控制AbstractPLC (Programmable controller), hereinafter referred to as PLC, because the use of PLC is convenient, the programming is simple, powerful, high cost performance, demand hardware com
4、plete equipments, strong adaptability, high reliability, and strong anti-jamming capability, to adapt to the strong, the system design, installation, debugging, less workload, breakdown maintenance is convenient wait for a characteristic, therefore in the field of application of PLC in the rapidly e
5、xpanding. For the early PLC, where there are relay, PLC are used as a substitute. And almost every need for todays PLC is where there would need to PLC control system. Especially in recent years, the cost of PLC fell, the function, performance has been strengthened in, so, the PLC has been widely ap
6、plied in various industries both at home and abroad. We know we have to transport the car is more commonly used relay, but we know that there are many shortcomings in the relay, such as inspection maintenance is not easy, and relay malfunction probability is bigger, need more contact point at the sa
7、me time, the connection is very complex, and compared with the relay, the PLC has many obvious advantages, not only in the workplace, or on the entire marketing also has a prominent position, is now the mainstream of the controller, so, dont relay but with PLC to replace the has become the mainstrea
8、m of development direction. This time the material car PLC control design, making the material car manual and automatic mode of production in the production and living had obvious combination, The third chapter introduction and selection of PLC programming software, The third chapter introduction an
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