Design and Implement of Automatic Control System of the Campus Ringer

被引：0
|
作者：
Fang, Guisheng [1 ]
机构：
[1] Zhejiang Water Conservancy & Hydropower Coll, Dept Mech & Elect Engn, Hangzhou 310018, Zhejiang, Peoples R China
来源：
INDUSTRIAL INSTRUMENTATION AND CONTROL SYSTEMS, PTS 1-4 | 2013年 / 241-244卷
关键词：
Automatic Control System; Campus Ringer; PLC; Text Display;
D O I：
10.4028/www.scientific.net/AMM.241-244.1113
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
According to the control requirements of campus ringers, a PLC-based automatic control system is realized by using the real time clock function provided by S7-200 CPU224 PLC and the friendly human-computer interaction function provided by TD400 text display. The control system can automatically judge the ringing work mode by the current system time of PLC, that is the summer time ringing mode and the winter time ringing mode. The user can also choose other work modes, such as the college English test mode and the computer grade test mode by pushing the button of the text display. In this paper the composition of the control system, the working principle and the designs of hardware and software are introduced. The system has advantages of friendly interface, simple operation, convenient maintenance, high reliability, strong anti interference ability, which makes it popularize.
引用
收藏
页码：1113 / 1117
页数：5
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