基于PLC的温湿度控制系统设计与实现
Design and implementation of temperature and humidity control system based on PLC
摘要：
针对工艺性空调温湿度控制的特殊性，提出了先进行含湿量控制、再进行温度控制的温湿度控制方案；介绍了实施此方案的空调系统组成和S7200 PLC的控制过程，并给出了控制程序。
关键词：PLC,温湿度控制,PID调节,空调系统
Abstract：
Based on the specific characteristics of temperature and humidity control of industrial air conditioning system, puts forward a control method of first controlling the moisture content and then controlling the temperature of the workshop. Presents the components of the air conditioning system and the controlling process using S7-200 PLC, and gives the control program.
Keywords:programmable logic controller, temperature and humidity control, proportionalintegral-derivative regulation, air conditioning system