The Arduino Reference text is licensed under a Creative Commons Attribution-Share Alike 3.0 License.

Find anything that can be improved? Suggest corrections and new documentation via GitHub.

Doubts on how to use Github? Learn everything you need to know in this tutorial.

Reference > Libraries > Arduinomodbus > Modbusrtuclient.begin

ArduinoModbus - modbusRTUClient.begin()

Description

Start the Modbus RTU client with the specified parameters.

Syntax

ModbusRTUClient.begin(baudrate);
ModbusRTUClient.begin(baudrate, config);

Parameters

  • baudrate - Baud rate to use for serial
  • config - Config to use for serial (see Serial.begin(…) for more info.) defaults to SERIAL_8N1 if not provided

Returns

1 on success, 0 on failure