Ultraflex Group

AcquaLink® NavBox & EngineBox

AcquaLink® NavBox & EngineBox AcquaLink® - OceanLink VDO® - Marine instruments and sensors

AcquaLink® NavBox & EngineBox

The AcquaLink® NavBox is the heart of the AcquaLink® VDO Bus system. It acts as a CPU and signal interface. The NavBox provides a wide range of digital and analog input possibilities. It supports J1939, NMEA 2000® and analogue signals. It also features two VDO Sumlog® paddle wheel sensor and one analogue VDO Windsensor connections, so legacy VDO products can be used and brought to the digital age.

With a dedicated analogue input port it can support the following analogue signal from VDO sensor or from 3rd parties company

• Engine oil pressure

• Engine oil temperature

• Engine coolant temperature

• Transmission oil pressure

• Fresh water/waste water and fuel level

• Ammeter status

• Rudder angle

• Engine frequency

It also features a NMEA 0183 input and output port as well as a buzzer output. All received data are converted and sent to the NMEA 2000® network and to the VDO Bus. This gateway function allows displaying engine, liquid level, pressure, temperature other vital information on any compatible display on the NMEA 2000® network or on designed VDO AcquaLink® gauges or TFT displays

The configuration of the NavBox can be done by using an AcquaLink® TFT and NavControl or by using the intuitive VDO App.

• NMEA 2000® certified

• LED signal status indication

• Aluminum base plate

• Front & rear side protection rating IPX4

• 3x VDO bus lines

• 1x J1939 CAN bus

• 1x NMEA 2000® bus

• 1 x VDO analogue wind sensor input

• 2x VDO Sumlog® inputs

• AMP Super Seal power input

• 26 pin AUX input (analog signal, NMEA 0183)

• Operating temperature range -20°C / +70°C

The EngineBox expands the possibilities of the NavBox for multi-engine applications or can be used as stand-alone when navigation information is not required. The EngineBox has a NMEA2000® and a J1939 CAN port.The EngineBox can also be used on older, completely analog engines, thanks to the analog input ports provided and designed for: RPM data, 0–400 Ω sensors and 4–20 mA sensors. EngineBox is available in 2 versions: Single Engine and Dual Engine. The EngineBox has to be set up using an intuitive PC configuration tool making it easy for programming the inputs (delivered free of charge).

• Analog to NMEA 2000® gateway

• J1939 to NMEA 2000® gateway

• 1x J1939 (2x J1939 Dual Engine)

• 1x M12 5 pins NMEA 2000®

• 1x Input 0–4 kHz for RPM (2x with Dual Engine)

• 4x Inputs 0–400 Ω (8x Inputs with Dual Engine)

• 2x Inputs 4–20 mA

• 1x Input 0–5 V (2x Inputs with Dual Engine)


VDO Article No. Description


EngineBox Single Engine


EngineBox Double Engine