通过 Modbus 进行通讯 (PM3250 / PM3255)
- 概述本节的信息假设您对 Modbus 通信、通信网络和连接测量仪的电力系统已有深入的了解。
- Modbus 通信设置使用 Modbus 协议与设备通信之前，请使用显示屏配置以下设置：
- 用于 Modbus 设备的通信
LED 指示灯黄色的通信 LED 指示测量仪和主设备之间的通信状态如下：
- Modbus 功能
- 命令接口
- Modbus 寄存器列表
- 读取设备识别信息
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