Can a Huber unit with Pilot ONE controller be controlled by a PLC via Ethernet, and if so, how? It is possible to control a new Huber unit with Pilot ONE controller via a PLC/DCS etc. Pilot ONE controllers have an Ethernet interface included as standard. Setting up and using the Ethernet connection: To activate the connection: in the Pilot ONE control panel navigate to Menu > Interfaces > Ethernet > Remote Access > Always On. Set the Huber unit’s IP address as desired. This setting can be accessed at Menu > Interfaces > Ethernet > IP Address Establish a TCP (Transmission Control Protocol) connection to the Huber unit’s IP address and use the TCP port 8101. Use the Huber commands: PB commands (recommended) PP/LAI commands You cannot use the Modbus TCP protocol. For information on the RS232 and AIF (4-20 mA) options for new Huber units with Pilot ONE, please refer to the separate FAQ entries.