BACnet and Modbus are communication protocols used for connecting industrial electronic devices and building automation and control systems.
The BACnet protocol includes broadcast exchange services such as Who-Is and I-Am, which are used for discovering devices. The gateway sends the Who-Is command to all the IP addresses on the port and the BACnet devices respond with I-Am. The Modbus protocol does not have an in-built discovery support. Liota scans for all Modbus devices on a defined range of IP addresses, on a specified port.
Liota contains example package files to enroll Thing devices that run on the BACnet and Modbus communication protocols.