西门子S7—200 PLC在钛管材感应退火炉控制系统中的应用

Application of Siemens S7-200 PLC in the Control System of Induction Annealing Furnace Used for Titanium Tubes

采用中频感应加热炉对钛管材进行退火热处理，是稀有金属加工领域一项常用技术和工艺。本文针对钛管材加热用中频感应退火炉的设备特点和工艺要求，介绍了以西门子S7—200系列PLC为核心的退火炉控制系统，论述了其硬件系统构成和应用软件设计。

The annealing heat treatment for titanium tubes by adopting the medium frequency induction heating furnace is a commonly used technology and process in rare metal processing field. Aiming at the equipment＇s characteristics and the technological requirements of the medium frequency induction annealing furnace for titanium tubes heating, the paper introduces the annealing furnace control system with Siemens S7-200 series PLC as the core, and discusses its hardware system composition and application software design.