范文编号:ZD892 范文字数:14275,页数:35 摘 要 当前国内成熟的食品加工生产控制系统一般是由人工操作或由工控机、操作台及配电柜几部分组成,虽然该系统能满足控制系统的工艺要求,但具有体积大、可靠性低、修改困难的缺点。基于这些缺点及PLC控制技术飞速发展的背景,本文提出了“PLC+触摸屏”这样一种既经济又可靠的食品加工生产控制系统方案,并详细分析了这种控制系统的需求,根据需求,对系统的软、硬件结构进行系统而全面的分析与设计。 Currently,the domestic food processing production control system are carried out by manual operation or by the industrial computer, console and distribution cabinet consists of several. Although the system can meet the process control system, but has the shortcomings of a bulky, low reliability, difficult to amend. PLC-based control of these defects and the background of the rapid development of technology, In this paper, the "PLC + touch screen," such an economical and reliable control system for food processing production program, and a detailed analysis of the demand for such a control system, according to the needs of the system software and hardware structure of systematic and comprehensive analysis and design.
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