文档介绍：多功能电力仪表感谢您选择本公司多功能电力仪表,为了翻遍您选购和安全、正确、高效的使用本仪表,请仔细阅读本说明书并在使用时务必注意以下几点。注意 CAUTION: ?该装置必须有专业人员安装与检修。?在对高装置进行任何外部接线操作前、必须切断输入信号和电源。?始终使用合适的电压检测装置来确定仪表各部有无电压。?提供给装置的参数需在额定范围内。下述情况会导致装置损坏或装置工作的异常: ?辅助电源电压超过额定范围?配电系统频率超过额定范围?电流或电压输入极性不正确?带电拔通信插头?未按要求连接端子连线 2 目录一、用户手册······································2 1 、概述···············································2 2 、技术参数···········································2 3 、编程和使用·········································4 测量显示·····································4 编程操作·····································6 4、数字通讯·········································· 10 通讯报文举例·································· 12 MODBUS 地址信息表····························· 13 5、功能输出·········································· 14 二、接线图······································· 15