摘  要：本文利用西門子S7-300系列PLC，結(jié)合Profibus-DP現(xiàn)場總線技術(shù)實現(xiàn)了礦井壓風機的自動控制。系統(tǒng)能夠?qū)崟r監(jiān)測壓風機的流量、壓力、溫度、瓦斯?jié)舛群驼駝拥雀鞣N參數(shù)，也可實現(xiàn)壓風機的一鍵啟停、一鍵切換風機等控制功能。 關(guān)鍵詞：PLC   Profibus-DP   壓風機 Abstract: The mine pressure fan auto control system is proposed in this paper by using Siemens S7-300PLC and Profibus-DP fieldbus. It can real-time monitor the fan’s vibration such as flow, pressure, temperature, g[登陸后可查看全文]