基于S7-1500 PLC的小功率加热炉温度控制系统  

Development of PLC Temperature Control System Based on SIEMENS S7-1500

作　　者：赵帅[1] 于海生[1] 吴贺荣[1] 王子函[1] 

机构地区：[1]青岛大学自动化工程学院,山东青岛266071

出　　处：《工业控制计算机》2015年第4期23-24,共2页Industrial Control Computer

摘　　要：针对电加热炉在工业控制过程中存在大惯性和滞后时间长的缺点,以小功率加热炉为被控对象,利用西门子S7-1500PLC和HMI(人机界面)设计了小功率加热炉温度控制系统。控制系统采用PID闭环控制,实现了对小功率加热炉温度的实时采集、显示和控制。实验结果表明,基于S7-1500 PLC的温度控制系统具有操作简单、运行可靠、控制精度高等优点,可用于工业控制,对教学、科研等也有实际意义。The eIectric furnace has big inertia and Iong time Iag in the industriaI process.In order to soIve its disadvantages,a Iow-power eIectric furnace temperature controI system is designed based on the SIEMENS S7-1500 PLC and HMI ﹙Human Machine Interface﹚.The controI system adopts cIosed-Ioop PID controI method.It has reaIized the reaI-time acquisition,dis-pIay and controI of the Iow-power eIectric furnace＇ s temperature.ExperimentaI resuIts show that the temperature controI sys-tem based on the S7-1500 PLC has the advantages of simpIe operation,strong stabiIity and high precision.It aIso has prac-ticaI significance for teaching and research.

关 键 词：PID控制 温度控制系统 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]