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chore: 更新固件版本日期至0528，新增Modbus从站仿真工具及测试说明

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zouhaitao
2026-05-28 13:35:25 +08:00
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本文档描述 STM32 通过 RS485 接口轮询 Noris AMS 模块的 Modbus RTU 通信协议，
以及报警数据如何通过 RF433 无线上报。
# 测试方法
下载docs/ModbusSlaveSetup64Bit.exe，配置从站地址为 1，波特率为 19200，通过连接 RS485 串口连接可查看 Modbus RTU 报文。
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## 1. Modbus RTU 请求帧 (MCU → Noris AMS)