Veethree EGM Installation Manual
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4finding each end, and making sure they have a NMEA 2000 terminationdevice at each end of the backbone. If there is no pre-existing backbone youwill need to fit this before connecting the display. If you have a dual stationsystem you will need to connect to the NMEA 2000 network to share databetween EGM’s even if you don’t have any other NMEA 2000 equipment.1.4 Attaching to a J1939 Engines (CAN-bus)You will need to find the CAN-Low and the CAN-High from the Engine ECU oroff of the Transmission – see engine manual for this information. You willthen need to connect the Blue wire to the CAN-Low and the White wire tothe CAN-High. They should remain twisted together. You will also want tocheck that the J1939 CAN Network is properly terminated. (You can do thisby measuring the resistance between CAN-High and CAN-Low. Onceconnected it should read around 90-150 Ohms if it does not, you will need toadd a 120 Ohm resistor between the CAN-High and the CAN-Low).1.5 Attaching to a Non-electronic EngineIn this case the engine senders will be directly connected to the displayharness. The standard minimum is for Engine Speed (Tacho), Oil Pressure andCoolant Temperature. The display will also measure engine hours (when theRPM is greater than 400) and battery voltage of the supply it’s connected to(engine battery or domestic) without additional connections as these areAutomatic.Wire Sensor SignalBlack/White Oil PressureBrown/White Coolant TemperatureRed/White Boost PressureYellow Oil TemperatureViolet Tachometer (from Alternator W)1.6 Attaching to a Rudder Angle SenderThe rudder angle can be measured from the Veethree rudder angle sender.Connect the signal from the sender to the Yellow/White wire of the display |
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