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Remark: These functions are also available in prefix syntax ( Modbus functions (prefix syntax)). New in version 2024 The list of Modbus functions is as follows:
| | ModbusConnectRTU | Connects a client to a Modbus slave via a serial port. | ModbusConnectTCP | Connects a client to a Modbus server via transmission control protocol (TCP). | ModbusDisconnect | Closes the Modbus session. | ModbusReadBit | Reads one or more bits from a Modbus slave, starting at a specific address. | ModbusReadFloat | Reads one or more single-precision floats from a Modbus slave, starting at a specific address. | ModbusReadRegister | Reads one or more registers from a Modbus slave, starting at a specific address. | ModbusSendRawFrame | Sends a raw frame to a Modbus slave. This enables communication with devices that do not strictly comply with the Modbus standard. | ModbusWriteBit | Writes one or multiple bits to a specific address in a Modbus slave. | ModbusWriteFloat | Writes one or more single-precision floats to a Modbus slave, starting at a specific address. | ModbusWriteRegister | Writes one or more registers (16-bit values) to a Modbus slave, starting at a specific address. |
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