基于HMI的变频恒压供水电气控制系统设计  

Design of electrical control system for changing frequency constant pressure water supplying system based on HMI

作　　者：曹利刚[1] 郭改琴 

机构地区：[1]杨凌职业技术学院,陕西杨凌712100

出　　处：《自动化与仪器仪表》2017年第8期29-31,共3页Automation & Instrumentation

基　　金：陕西省教育厅专项科研计划项目(15JK1555)

摘　　要：针对目前市场上变频恒压供水系统存在水泵运行状态和变频器频率无法在线查看和设备操作不安全的缺点,提出采用人机界面作为系统的末端控制设备。通过PLC接线图的设计、PLC程序编写、变频器参数设定与连接、HMI设计、以及HMI与PLC通信连接,实现了对原系统的优化改造。在现场经过多次运行测试,这套系统人机界面友好、运行稳定、操作简单、安全可靠、达到了设计要求,具有较强的实用价值。Aiming at the variable frequency constant pressure water supply systems on the market are in the running state of water pump and the inverter frequency to online view and manipulate equipment unsafe shortcomings, put forward using man-machine interface as the system terminal control equipment. Through the PLC wiring diagram design, PLC programming,inverter parameter setting and con- nection, HMI design, HMI and PLC communication connection, to achieve the optimization of the original system transformation. After run the tests multiple times, the system has friendly men-machine interface, stable operation, simple operation, safety and reliability, meets the design requirements and has strong practical value.

关 键 词：恒压供水 人机界面 变频器 PLC 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]