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The IntesisBox IBOX-MBS-BAC Gateway has been specially designed to work as a translator between a BACnet IP or BACnet MSTP installation and Modbus TCP and/or Modbus RTU based control and monitoring systems.

Modbus BACnet

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  • IBMBSBAC1000000  (100 points)
  • IBMBSBAC2500000  (250 points)
  • IBMBSBAC6000000  (600 points)
  • IBMBSBAC1K20000  (1200 points)
  • IBMBSBAC3K00000  (3000 points)


IntesisBox acts as a master in the BACnet side, allowing both Modbus TCP and Modbus RTU client/master devices to read and write on all configured BACnet Objects.

Modbus RTU masters are connected to the serial port of the gateway, while Modbus TCP devices are connected to the Ethernet port. On the BACnet side, the gateway simulates a BACnet IP client or BACnet master MSTP device.

Configuration project is done through IntesisBox MAPS.


  • Handles conversion between Modbus (RTU & TCP) and BACnet (IP or MSTP) devices
  • Manages Modbus TCP and Modbus RTU simultaneously
  • Connects with up to 5 simultaneous Modbus TCP clients
  • BACnet BTL certified
  • Datalogging through external USB port
  • Configuration through IP or USB (Console) port
  • Front cover LED indicators to provide easy to check communication status on both the Ethernet and serial ports
  • Includes IntesisBox MAPS with automatic updates for both IntesisBox MAPS and Gateway’s firmware
  • BACnet explorer function (available from IntesisBox MAPS)

NOTE: In case you need documentation for the previous gateway version, please check this link.

BACnet to Modbus Gateway Integration examples

Integration of BACnet IP or BACnet MSTP devices into a Modbus TCP or Modbus RTU installation

BACnet to Modbus Gateway Integration examples 787

Does your project not fit the product description, but you need to integrate the Modbus and BACnet protocols?

Maybe our IBOX-BAC-MBM gateway is what you are looking for.


BACnet to Modbus Gateway


  • Commercial documents