PLC在中央空调控制系统中应用及常见故障检修  

The PLC Applications On Central Air-Conditioning Control System and its Troubleshooting

作　　者：吴立群[1] 

机构地区：[1]广东东莞理工学校

出　　处：《洁净与空调技术》2006年第3期60-64,共5页Contamination Control & Air-Conditioning Technology

摘　　要：可编程控制器(PLC)控制系统具有工作稳定、可靠,便于维护,具有价格便宜、控制灵活方便等特点,被广泛应用于各行各业的自动控制系统中。介绍了可编程控制器的控制原理以及其在中央空调制冷系统控制中的应用,并对控制系统故障的检查与维修等相关技术进行了探讨。The Programmable Logic Controller （PLC） system has stability and credibility in work, is easy to control and maintenance, and has reasonable price, It has been applied in the automatic control system in various industries extensively. This paper introduces the control principle of the programmable controller and its use in refrigeration system of central air conditioning system, and discusses the control system troubleshooting and maintenance technologies.

关 键 词：可编程控制器 中央空调 检查与维修 

分 类 号：TM571.61[电气工程—电器] TM925.12