基于Siemens S7-300 PLC的4t/h卧式内燃三回程燃油锅炉的控制

The Boiler Control of 4 t/h Horizontal Three Return Diesel Fuel based on SIEMENS S7-300 PLC

利用自动化领域广泛使用的S7-300可编程序控制器,使用STEP7 V5.3编程软件,在分析锅炉原控制系统的基础上,提出用可编程控制器(PLC)控制的改造方案,介绍PLC构成的锅炉控制系统并通过PLC实现锅炉的各种控制调节功能。

This paper has utilized the $7 300 programmable controller that is widely used in automatic fields and the STEP7 VS. 3 programming software, the original control system reconstruction plan of PLC was proposed based on the a nalysis of boiler. The boiler control system of PLC was introduced and all kinds of control adjustment functions were real- ized through PLC.