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This text-only module gives an overview of onboard networks. The focus is on NMEA2000 networks. We learn how they are set up and how to troubleshoot the physical layer if problems arise.
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NMEA 0183 and 2000 (Text Only)
MODULE 11
This text-only module gives an overview of onboard networks. The focus is on NMEA2000 networks. We learn how they are set up and how to troubleshoot the physical layer if problems arise.
In this short introduction, we learn how data is transmitted digitally between various devices.
The current industry standard for onboard networks is NMEA2000. We explain the principle of the underlying CAN-bus technology and the requirements for the physical layer.
We learn how to plan and set up a standards-compliant NMEA2000 network, including the required voltage drop limitations. We also explore simple troubleshooting techniques.
Although NMEA0183 is considered by many to be outdated, there are still many devices on older boats that use this standard. We cover the main principles of connecting NMEA0183 devices but also the limitations of the standard.
This lesson is a short excursion into the future of onboard networks based on ethernet technology and the NMEA OneNet standard.