精品文档 精品文档 目 录 一、 概述及用途····································2 二、 使用环境条件··································2 三、 型号命名······································3 四、 主要技术参数··································3 五、 基本结构······································5 六、 控制器介绍····································7 七、 动作原理······································9 八、 保护处理方式··································11 九、 安装与调试·