目录
CONTENTS
目录................................................................................................................................................................................................2
1
概述
Overview
........................................................................................................................................................................... 1
2
产品规格
Product specification
................................................................................................................................................ 1
3 技术参数 Technical parameters................................................................................................................................................2
4 安装指南 Installation guide...................................................................................................................................................... 3
4.1 外形及安装尺寸............................................................................................................................................................ 3
4.1.2
产品安装
Product installation
............................................................................................................................ 3
4.2 端子及接线 Terminals and wiring................................................................................................................................. 4
4.3
注意事项
Precautions
.................................................................................................................................................... 6
4.3.1
电压信号输入
Voltage input
.............................................................................................................................. 6
4.3.2 电流信号输入 Current input.............................................................................................................................. 6
4.3.3 通讯接口接线 Communication interface wiring................................................................................................6
5 使用指南 Operation guide........................................................................................................................................................6
5.1
按键
Key
..........................................................................................................................................................................6
5.2
仪表开机瞬间显示为仪表版本信息............................................................................................................................ 7
5.3
测量参数
Measurement parameters
.............................................................................................................................7
5.3.1
电力参数
Electrical parameters
..........................................................................................................................7
5.3.2 费率电度 Multi-rate.............................................................................................................................................9
6 菜单符号及意义 Menu symbol and meaning........................................................................................................................10
6.1 开关量输出设置 Switch output setting...................................................................................................................... 12
6.2
编程流程
Programming process
..................................................................................................................................14
6.3
功能设置与使用
Function setting and use
................................................................................................................. 14
6.3.1 倍率更改设置 Magnification change settings................................................................................................. 14
6.3.2
通讯功能及参数设置
Communication function and parameter setting
........................................................ 15
6.3.3 报警功能及参数设置 Alarm function and parameter setting........................................................................ 15
7
通讯指南
Communication Guide
............................................................................................................................................15
7.1 概述 Overview..............................................................................................................................................................15
7.2 DLT645
规约
DLT645 protocol
.......................................................................................................................................16
7.3 Modbus
协议
Modbus protocol
....................................................................................................................................18
7.3.1 数据帧 Data frame format...............................................................................................................................18
7.3.2 地址(Address)域 Address domain................................................................................................................... 18
7.3.3 功能(Function)域 Function domain.................................................................................................................18
7.3.4
数据(
Data
)域
Data domain
.........................................................................................................................19
7.3.5
错误校验(
Check
)域
Error check domain
................................................................................................... 19
7.3.6
错误校验的方法
Error check method
..............................................................................................................19
7.4 Modbus
通讯说明
MODBUS communication description
.......................................................................................... 20
7.4.1 通信地址表(Word)Communication address table(Word) .......................................................................... 20
7.4.2 说明:................................................................................................................................................................ 27
7.5 通讯应用 Communication application........................................................................................................................ 27