ECI-100 Universal Engine & Control Interface. The ECI-100 Universal Engine and Control Interface is an innovative and affordable solution for bridging engine instrumentation and drive-by-wire steering with Raymarine autopilot and navigation systems. A simple isolated CAN Bus solution, the ECI-100 offers reliable integration with Raymarine's latest generation of multifunction displays and also delivers a seamless autopilot steering interface to Raymarine's Evolution EV-2 Drive By Wire autopilot s