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Stored procedures
Remark: These functions are also available in prefix syntax (Modbus functions (prefix syntax)).
The list of Modbus functions is as follows:
ModbusConnectRTUConnects a client to a Modbus slave via a serial port.
ModbusConnectTCPConnects a client to a Modbus server via transmission control protocol (TCP).
ModbusDisconnectCloses the Modbus session.
ModbusReadBitReads one or more bits from a Modbus slave, starting at a specific address.
ModbusReadFloatReads one or more single-precision floats from a Modbus slave, starting at a specific address.
ModbusReadRegisterReads one or more registers from a Modbus slave, starting at a specific address.
ModbusSendRawFrameSends a raw frame to a Modbus slave. This enables communication with devices that do not strictly comply with the Modbus standard.
ModbusWriteBitWrites one or multiple bits to a specific address in a Modbus slave.
ModbusWriteFloatWrites one or more single-precision floats to a Modbus slave, starting at a specific address.
ModbusWriteRegisterWrites one or more registers (16-bit values) to a Modbus slave, starting at a specific address.
Minimum version required
  • Version 26
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Last update: 01/30/2024

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