ModbusTCP_ReadMultipleIntegerRegisters
Function Code 03. Reads the contents of a contiguous block of holding registers in a remote device
Syntax
C++
Python
def ModbusTCP_ReadMultipleIntegerRegisters( inSocket: int, /, *, inTimeout: int | None = None, inUnitID: int = 1, inStartingAddress: int = 0, inCount: int = 1, inInputDataFormat: ModbusDataFormat = ModbusDataFormat.UnsignedInteger ) -> outIntegerValue: list[int]
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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inStartingAddress | int | 0 - 65535 | 0 | The address of the first holding register. |
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inCount | int | 1 - 125 | 1 | |
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inInputDataFormat | ModbusDataFormat | ModbusDataFormat.UnsignedInteger | ||
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outIntegerValue | list[int] | Received integer value. |



