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 configure the Modbus settings:

  1. Select Settings:
  2. Select Expert settings with the arrow buttons.
  3. Select OK:
  4. Use the arrow buttons to select I/O and bus settings.
  5. Select Modbus settings with the arrow buttons.
  6. Select OK:

    The Modbus menu opens.

  7. Set the ventilation unit’s Modbus address with the Up arrow and Down arrow buttons. You can set the address between 1 and 247.
  8. Use the Up arrow and Down arrow buttons to set the Baud rate of the Modbus. The options are 9600, 19200, 38400, 57600 or 115200.
  9. Use the Up arrow and Down arrow buttons to set the Parity of the Modbus.

    The options are:

    • no — No parity

    • even — Even parity

    • odd — Odd parity.

  10. Use the Up arrow and Down arrow buttons to set the Stop bit of the Modbus. The options are 1 or 2.
  11. Select OK:
The Modbus settings have now been set.