RTU Settings

To communicate with Modbus extensions connected via Modbus RTU (serial), follow these steps:

1. Click the RTU settings button in the Modbus tab.

2. Configure the parameters in the RTU settings tab as follows:

   • RTU (serial) enabled:

     • Enable Modbus RTU communication.

     NOTE: Only RTU1 can be set for Modbus communication.

   • Port:

     • Set the name of the serial port.

     • The default setting is /dev/RS485.

   • Parity:

     • Specify the parity or stop bits.

   • Duplex:

     • Choose either Half-duplex or Full-duplex.

     • The default value is Half-duplex.

   • Reset to defaults:

     • Click this button to reset all RTU settings parameters to their default values.