![]() As Gustav showed, there are provisions in our software to set the data page bit of the J1939 frame channel resulting in the needed extended PGN number for marine specific messages. ![]() Reading and writing NMEA2000 messages with our IQAN modules is easily done using the IQAN software for both single and multiple packet messages. Very simply put, the NMEA2000 is an extension of the J1939 standard whereby marine specific information is transported over CAN bus messages with extended PGN numbers ( 17 bits instead of 16 bits for typical J1939 messages). Among those devices are autopilots, rudder angle sensors, GPS, compasses AC I/O block, engine ECMs etc. ![]() These applications integrate the IQAN controls system with NMEA2000 and other J1939 devices. We have worked on marine application requiring the controls f the vessel's steering system.
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