完整版)基于PLC的自动配料系统毕业设计

完整版)基于PLC的自动配料系统毕业设

计

___的毕业设计论文旨在设计一种基于PLC的自动配料系统，以满足各种工业生产过程中自动化配料的需求。该系统的主要技术指标包括配料精度、首尾滚筒距、常用带速、物料密度、灵敏度、准确度等级、综合误差、最大称量、最大安全负荷、最大称量极限过负荷、称重传感器输入信号范围、速度传感器输入信号范围和RS485串行通讯接口等。

二、工作内容和要求：

该自动配料系统将完成三种物料的自动配比控制，采用主从比例控制方式。PLC将实现各种物料下料量的采集、喂料装置的启停、物料下料量的控制。组态操作界面将显示设备的运行、停车、故障，并要求显示每种物料的下料设定值和实际下料值。通过界面上设置的启动、停车按钮实现整个系统的开停。

三、主要参考文献：

本毕业设计论文参考了多篇文献，包括___和___的《PLC

在白动配煤控制系统中的应用》、___、___和应力刚的《可编程控制器在配料自动控制系统中的应用》、___的《MPS课程

项目》、___和___的《PLC在混料控料系统的应用》以及___

的《自动配料系统的设计》等。

该自动配料系统将有助于提高生产效率，减少人工干预，降低生产成本，提高产品质量，满足工业生产过程中自动化配料的需求。

自动配料系统是一种重要的技术手段，可以根据设定的配比和流量控制各输入物料的瞬时流量，从而实现生产过程自动化和智能化。本文旨在设计开发一种自动配料系统，以解决动态计量衡器的控制精度问题，提高生产效率和产品质量，推动国民经济的发展。本文将讨论配料系统总体方案设计及选择、上下位机通信方案的选择、PLC控制系统设计、传感器设计

和选型等内容。设计任务将使用___的可编程序控制器及

Wincc组态软件。本文将详细论述设计方法，包括画出主电路、分配I/O地址、设计系统控制的程序框图、根据程序框图设计

该系统的控制梯形图并写出指令表、上机调试通过以及利用

Wincc组态软件对系统进行模拟运行。本文最后给出了进度安

排和指导教师意见。

Abstract:

Automatic batching system is an important technical means。which can control the ___ according to the set。and flow rate。so as to achieve the ___ of the n process。This paper aims to design and develop an automatic ___ dynamic weighing scales。improve

n efficiency and product quality。and promote the development of the nal economy。This paper will discuss ___ batching system。n of upper and lower computer n scheme。PLC control system design。sensor design and n。etc。The design task will use Siemens programmable controller and Wincc n are。This paper

will detail the design methods。including drawing the main circuit。allocating I/O addresses。designing the program flow chart of the system control。designing the control ladder diagram of the system according to the program flow chart and writing the n table。passing the on-machine debugging and simulating the system n

with Wincc n are。Finally。this ___.

The topic of this paper is the development of an automatic ingredient control system。With the advancement of the economy。the automatic ingredient control system has been ___ structure

with a PC as the upper machine and a PLC as the lower machine。The main content of the paper includes the n of the overall system scheme。hardware n。and are design.

Initially。the overall design scheme of the system was determined based on a comparative analysis of the characteristics

of the distributed control system and the computer centralized control system。The system is based on the idea of a distributed control system。with centralized control and decentralized management as the guiding principles。and a PC and PLC as the upper and lower machines。respectively。to achieve the goal of autonomous control。

Next。the hardware n of the system is introduced。including the n of the upper and lower machines。___。and ___。The

upper machine is ___ requirements。and a brand-name computer

is ___。The lower machine is mainly used for n control and the