自动售货机的毕业设计自动售货机的毕业设计【篇一:自动售货机毕业设计】摘要本文介绍了自动售货机的基本原理以及工作流程,售货机的售货领域非常广泛,是发达国家商品零售的一种主要方式。近几年,自动售货机逐渐被越来越多的消费者所接受。但由于售货机分布零散、范围广阔的特点。本文以一次交易过程为例,把交易过程分为几个程序块,然后分别对程序块进行编程。具体说明了可编程序控制器在自动售货机中的作用。程序涉及到了自动售货机工作的绝大部分过程,绘制梯形图对售货过程进行了分析。利用plc控制的自动售货机提高了系统的稳定性,保证自动售货机能够长期稳定运行。关键词:自动售货机;可编程控制器;梯形图abstractthisarticleintroducedvendingmachinesbasicprincipleaswellastheworkflow,introducesthebasicprincipleofvendingmachinesandworkflow,andthentoatransactionprocess,forexample,theprocessisdividedintoseveralblocks,,dividesintoseveralblocksthetransactionprocess,,theguaranteevendingmachinehasbeenablethelong-:vendingmachine;programmablecontroller;trapezoidalchart目录摘要..............................................................................................................................iabstract...........................................................................................................................ii第1章绪论......................................................................................................................................................................................................................................................................................................................................................................................................................................................................4第2章plc功能介绍.....................................................................................................................................................................................................................................
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