目录
1． 概述 ..............................................................................................................................................................................1
2． 产品规格 ......................................................................................................................................................................1
3．产品功能..........................................................................................................................................................................1
4．技术参数 ........................................................................................................................................................................2
5．安装 ................................................................................................................................................................................2
5.1 外形及安装尺寸 ....................................................................................................................................................2
5.2 开口式互感器尺寸 ................................................................................................................................................3
5.3 安装方法..................................................................................................................................................................3
5.4 接线方法.................................................................................................................................................................3
6．编程与使用......................................................................................................................................................................4
6.1 面板说明..................................................................................................................................................................4
6.2 按键功能说明.........................................................................................................................................................4
6.3 操作说明.................................................................................................................................................................5
6.4 编程菜单..................................................................................................................................................................5
6.4.1 仪表通用编程菜单.......................................................................................................................................5
6.5 编程示例..................................................................................................................................................................6
6.5.1 如何修改电流倍数(CT 变比) ......................................................................................................................6
6.5.2 编程实例.......................................................................................................................................................7
7．通讯接线..........................................................................................................................................................................8
7.1 传输方式..................................................................................................................................................................8
7.2 信息帧格式..............................................................................................................................................................8
7.3 功能码简介..............................................................................................................................................................9
7.3.1 功能码 03H 或 04H：读寄存器 ..................................................................................................................9
7.3.2 功能码 10H：写寄存器 ...............................................................................................................................9
7.4 通讯应用细节..........................................................................................................................................................9
7.5 通讯地址表(MODBUS-RTU 协议)......................................................................................................................10
7.6 通讯接线实例........................................................................................................................................................11
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