ModbusTCP_SendBuffer
Sends data using Modbus TCP frame format.
Syntax
C++
Python
def ModbusTCP_SendBuffer( inSocket: int, inBuffer: ByteBuffer, outResponse: ByteBuffer, /, *, inTimeout: int | None = None, inUnitID: int = 1, inFunctionCode: int = 1 ) -> None
Parameters
| Name | Type | Range | Default | Description | |
|---|---|---|---|---|---|
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inSocket | int | Connected socket ID on port 502. | ||
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inTimeout | int | None | 10 - ![]() |
None | Timeout in milliseconds, block if not specified. |
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inUnitID | int | 0 - 255 | 1 | Default is 1 |
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inFunctionCode | int | 0 - 255 | 1 | Function code |
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inBuffer | ByteBuffer | Data to send | ||
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outResponse | ByteBuffer | Response data |



