基于PLC的地下工程通风空调系统设计研究

A Ventilation and Air-conditioning System Design Based on PLC in Underground Engineering

分析了地下工程的特点，针对现有部分地下工程通风空调系统存在的问题，设计了一种基于西门子S7—200PLC的通风空调控制系统。实践表明，这种系统具有操作简单方便、功能多、自动化程度高等特点。

Analyses the characteristics of underground engineering, points out the problems of ventilation and air-conditioning system in some underground engineerings, designs a ventilation and air-conditioning control system basedon Simens S7-200 PLC. It has been practiced that this system is simple, convenient ,highly automatic and has more functions.