基于S7-300PLC和触摸屏的吸液率测定装置毕业设计

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1、 基于 S7-300 PLC 和触摸屏的吸液率测定装置 摘要 可编程控制器是一种应用很广泛的自动控制装置，它将传统 的继电器控制技术、计算机技术和通讯技术融为一体，具有控制 能力强、操作灵活方便、可靠性高、适宜长期连续工作的特点， 非常适合吸液率测定的要求。 在工业领域，随着自动化程度的迅速提高，用户对控制系 统的过程监控要求越来越高，人机界面的出现正好满足了用户这 一需求。 人机界面可以对控制系统进行全面监控， 包括过程监测、 报警提示、数据记录等功能，从而使控制系统变得操作人性化、 过程可视化，在自动控制领域的作用日益显著。 本文介绍了一种浸胶过程的吸液率实时测定装置，该装置 基于 S7-

2、300PLC 和 HMI 设计。分析了吸液率的测量原理，对测定 装置系统的硬件结构、软件设计和 HMI 画面组态进行了较详细的 说明。本装置设计先进、功能完善、可靠性高，和同类产品相比， 在性能和可靠性方面均处于领先水平。 关键词： 浸胶过程 吸液率 平均吸液率 S7-300PLC 触摸屏 Based on S7-300 PLC and touch screen for determination of the suction device Abstract Programmable controller is a kind of application is extensive automa

3、tic control device, it will traditional relay control technology, computer technology and communication technology is an organic whole, have strong ability to control, convenient operation, high reliability, appropriate long-term continuous working characteristics, very suitable for sucks fluid rate

4、 mensuration requirements. In industrial field, with the rapid increase of automation degree, the user to the control system process monitoring demand is higher and higher, man-machine interface appeared just a satisfying user needs. The man-machine interface can of the control system is carried out

5、 comprehensive monitoring, including process monitoring, alarm prompt, data records, and other functions, thus make control system is becoming operating humanized, process visualization, in the role of automatic control field has more and more notable. This paper introduces a kind of soak glue proce

6、ss real-time measurement device by absorb fluid rate based on this device S7 - mill and HMI design. Analyzed the principle of measurement of the absorb fluid rate to determine equipment system, the hardware structure, software design and HMI screen configuration were detailed instructions. This device is advanced in designing, the perfect function, high reliability, and similar products compare in performance and reliability, are in a leading level. Keywords: soak glue process to absorb fluid ra