In the world of embedded networking protocols, SAE J1939 and NMEA 2000 are two prominent standards used in heavy-duty vehicles and marine electronics, respectively. While they serve distinct industries, the two protocols are more closely related than many realize. In fact, NMEA 2000 is fundamentally based on SAE J1939, which…
Posts tagged as “Marine electronics networking”
Overview of SAE J1939 and Recent CAN FD/XL Enhancements SAE J1939 Basics: SAE J1939 is a high-level communications protocol that has long used the CAN (Controller Area Network) bus for in-vehicle networking on heavy-duty and off-road vehicles (e.g. trucks, agricultural and construction machinery). It operates on a 29-bit CAN identifier…


