Modbus settings

If the ventilation unit is connected to e.g. a building automation system via Modbus, configure the Modbus settings. The Modbus settings are:
  • Ventilation unit’s Modbus address
  • Modbus baud rate
  • Modbus parity
  • Modbus stop bit.
The configuration of all Modbus settings is described below in the above-mentioned order. You can also refer to these instructions when configuring individual settings, such as the Modbus address.

To make the Modbus settings:

  1. Select Expert settings.
  2. Modbus settings are described in the Modbus settings area.
  3. Select Edit in the right top corner of the area:
    The Modbus settings display will open in the editing mode:
  4. Enter the Modbus address of the ventilation unit in the Address field. Alternatively, the address can be set by using the blue slider. The address can be set between 1 and 247.
  5. Select the speed of the Modbus channel from the Baud rate drop down menu. The options are 9600, 19200, 38400, 57600 or 115200.
  6. Select the parity of the Modbus channel from the drop down menu. The options are:
    • no — No parity
    • even — Even parity
    • odd — Odd parity
  7. Set the stop bit of the Modbus channel in the Stop bit field. The options are 1 and 2.
  8. Select OK. .
The Modbus settings are now complete.