基于PLC水塔水位控制系统的设计
摘 要
在工业和农业生产的过程中，经常需要对水位进行测量控制。在日常生活中的水位控制在范围广泛的应用，如水塔，地下水还有水电站等等水位控制。然而，随着世界人口的不断增长，生活用水的人的增加，在过去，继电器水箱水位自动控制系统，由于频繁操作会产生机械磨损，不便于维护和更新，已经不能满足人们的实际需求。近代以来，科学技术发展迅速，因此，这种情况得到了改善，在继电器后，PLC已经满足日益发展的需要。在本文中，FXZN三菱PLC充当了水塔水位自动控制系统的核心这一角色，对系统的水塔水位自动控制功能需求分析，再通过多个传感器的水箱检查水位，然后被发送到PLC控制区，操作和控制水泵操作时，完成相应的要求，例如低于已设置的液位，报警将发出，通过调控水泵，最终达到自动控制的目标。
关键字：水位信息、传感器、PLC、自动控制。
Abstract:In the process of industrial and agricultural production, it is often necessary to measure and control the water level. Water level in the daily life of the control in a wide range of applications, such as cooling towers, ground water, hydropower, water level control. However, with the growing world population, an increase in people living water, in the past, the relay tank water level automatic control system, due to the frequent operation will produce mechanical wear, not easy to maintain and update, we can not meet the actual needs of the people. In modern times, the rapid development of science and technology, therefore, the situation has improved in the relay, PLC already meet the growing needs. In this paper, the core FXZN Mitsubishi PLC programmable logic controller automatic control system for water tower, water tower water level automatic system control functions needs analysis, and then check the water level through the tank a plurality of sensors, then sent to the PLC control area, operation and control the pump operation, the completion of the corresponding requirements, such as lower than the level that has been set, the alarm will be issued, by regulating the water pump, and ultimately achieve the goal of automatic control.
Keyword:Water level information, sensors, PLC, automatic control.
目录
摘要................................................................................................................................I
ABSTRACT...................................................................................................................I
第1章引言..................................................................................................................1
第2章 水位控制要求..................................................................................................1
2.1 PLC水塔水位的软件要求..................................................................................2
2.2 PLC水塔水位的硬件选择..................................................................................8
第3章 电路设计，顺序流程，I/O接线及地址分配图................................................9
第4章 水塔水位程序梯形图及其说明.....................................................................13
第5章 MCGS触摸屏拟建运行.................................................................................17
小结与致谢
参考文献
参考文献
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