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目录 Content
目录 Content...........................................................................................................................................................................3
1. 概述 Overview................................................................................................................................................................1
2. 产品规格 Product Specifications................................................................................................................................... 1
3.产品功能 Product Function..............................................................................................................................................2
4.技术参数 Technical Parameters....................................................................................................................................... 2
5.安装 Installation............................................................................................................................................................... 4
5.1 外形及安装尺寸 Overall and Installation Dimensions ..........................................................................................4
5.2 开口式互感器尺寸 Open Current Transformer’s Dimension ................................................................................4
5.3 安装方法 Installation Method..................................................................................................................................5
5.4 接线方法 Connection Mode................................................................................................................................... 5
6.编程与使用 Programming and Use................................................................................................................................. 6
6.1 面板说明 Panel Description.....................................................................................................................................6
6.2 按键功能说明 Button Function Description.......................................................................................................... 6
6.3 操作说明 Operation Instructions............................................................................................................................ 7
6.4 编程菜单 Programming Menu.................................................................................................................................7
6.4.1 仪表通用编程菜单 General Programming Menu........................................................................................7
6.5 编程示例 Programming Examples.......................................................................................................................... 8
6.5.1 如何修改电流倍数(CT 变比) How to Change Current Multiplier (CT Transformation Ratio)..................9
6.5.2 编程实例 Programming Cases....................................................................................................................10
7.通讯接线 Communication Connection.......................................................................................................................... 11
7.1 传输方式 Transmitting Method............................................................................................................................. 11
7.2 信息帧格式 Information Frame Format................................................................................................................ 11
7.3 功能码简介 Function Code Introduction...............................................................................................................13
7.3.1 功能码 03H 或04H:读寄存器 Function Code 03H or 04H: Reading Register.....................................13
7.3.2 功能码 10H:写寄存器 Function Code 10H: Writing Register............................................................... 13
7.4 通讯应用细节 Communication Application Details............................................................................................. 14
7.5 通讯地址表(MODBUS-RTU 协议) Communication Address List (MODBUS-RTU Protocol)..........................14
7.6 通讯接线实例 Communication Connection Cases............................................................................................... 16