=RS485 总线冲突 Gemini 和 Chatgpt 给出不同的答案=== - V2EX
FreeWong

=RS485 总线冲突 Gemini 和 Chatgpt 给出不同的答案===

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  •   FreeWong Aug 26, 2025 1699 views
    This topic created in 260 days ago, the information mentioned may be changed or developed.

    在 rs485 芯片有自动方向控制以及 Idle Bus 功能的前提下,我们抛开 modbus 广播命令的约定,即广播命令时从设备不应该响应。如果使用自定义的协议,而不是 modbus 的情况下,从设备接收到广播命令时,向主设备做响应,由于自动方向控制的存在,可以避免总线冲突,这个说法是否正确

    结果 Chatgpt 告诉我,我的想法是正确的,可行的 Gemini 告诉我,我的想法是错误的。

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