摘要
本文介绍了12吨转炉测控系统中的Watchdog工作原理、实现的方法、功能显示、使用方法；论述了交流电检测以及总线匹配．
This article introduces the working principle of the watchdog,the rnethod of its irnplementation, the display of its fundtion, and the method of its application to a 12t convertermeasurement control system,and further expouncis the detection of alterating current losingas well as the bus matching.
关键词
看门狗
转炉
测控系统
炼钢
交流电检测
watchdog
aiternating current losing
non maskable interrupt
