什么是Modbus?

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Modbus是由Modicon开发的串行通信协议®于1979年由ModiconPublished,用于其可编程逻辑控制器(PLC)。简单来说,它是一种用于在电子设备之间通过串行线传输信息的方法。请求信息的设备称为Modbus Master,提供信息的设备是Modbusslave。在标准的Modbus网络中,有一个主站和最多247个从站,每个从站都有一个从站地址,从1到247个。主站也可以向从站写入信息。

官方Modbus规范可以在modbus.org/specs.php上找到。

技术术语(共 1 个)—— Click to Expand
PLC可编程逻辑控制器,工业自动化控制的核心设备
来源/工具信息 —— Click to Expand
来源 Modbus Chinese Network(modbus.cn) —— China leadingModbuscommunication protocol technical community Category Modbus protocol standard 字数 229 字 · 阅读约 1 分钟 更新 2026-07-01 永久链接 https://www.modbus.cn/1090.html
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