![]() ![]() Well now i am getting the clear idea of detecting the RTU frame start and end.The main advantage of this mode is that its greater character density allows better data throughput than ASCII mode for the same baud rate. Is wrapped in a simple message frame consisting of begin frame character (:), end frame character Modbus RTU frame format (primarily used on 8-bit asynchronous lines like EIA-485) Name: Length (bits) Function: Start: 28: At least 3 1 ⁄ 2 character times of silence (mark condition) Address: 8: Station address: Function: 8: Indicates the function code e.
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