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  1. I would like to see NMEA2000 Engine and Transmission warnings on my N2K network, what J1939 diagnostic codes will the J2K100 convert? The J2K100 will convert J1939 Diagnostic SPN/PGNs to NMEA2000 Engine and Transmission Warning messages. Consult the engine manufacturer to determine if an engine will transmit these messages over the NMEA2000 bus.The following table (figure 1) provid... Read More
  2. How many J2K100s do I need if I have two engines and I would like convert the J1939 information from both engines to NMEA 2000? You need one J2K100 per engine. If you have two engines with J1939 interfaces, you would need two J2K100s to convert the information from both engines to NMEA 2000.... Read More
  3. What is a J2K100? The J2K100 is a gateway or bridge between a J1939 network and an NMEA 2000 network. The J2K100 receives messages (or PGNs) from a J1939 network and converts the messages into NMEA 2000 messages (or PGNs). In some cases, J1939 messages are the same as... Read More
  4. I know the J2K100 receives messages from the J1939 network and subsequently transmits them over the NMEA 2000 network, but does the J2K100 transmit any messages on the J1939 network? By default, the J2K100 transmits no messages onto the J1939 network. As shipped from the factory, the J2K100 only listens for J1939 messages and creates no bus traffic on the J1939 network. The J2K100 does however acknowledge received messages, which... Read More
  5. Where would I use a J2K100? You use the J2K100 if you have a propulsion engine or a generator that has a J1939 network connection and you want to display engine or electrical information on an NMEA 2000 compatible display.... Read More
  6. What information does the J2K100 provide over the NMEA 2000 network? As long as the engine or generator is providing the appropriate information via the J1939 interface, the J2K100 is capable of producing the following NMEA 2000 information:engine speed (tachometer)engine boost pressureengine oil pressureengine oil te... Read More
  7. How do I display the J2K100 engine speed or tachometer on Maretron’s DSM150, DSM200, or DSM250 display? You display the J2K100 tachometer on a DSM150, DSM200, or DSM250 in the following way.Enter menu mode, scroll to "Favorite Screen Setup..." and press < Enter >Scroll to the favorite screen where you would like to view the tachometer and press < Enter... Read More
  8. How do I display the J2K100 engine boost pressure on Maretron’s DSM150, DSM200, or DSM250 display? You display the J2K100 engine boost pressure on a DSM150, DSM200, or DSM250 in the following way. Enter menu mode, scroll to "Favorite Screen Setup..." and press enter. Scroll to the favorite screen where you would like to view the boost pressure and... Read More
  9. How do I display the J2K100 engine oil pressure on Maretron’s DSM150, DSM200, or DSM250 display? You display the J2K100 engine oil pressure on a DSM150, DSM200, or DSM250 in the following way. Enter menu mode, scroll to "Favorite Screen Setup..." and press enter. Scroll to the favorite screen where you would like to view the oil pressure and pre... Read More
  10. How do I display the J2K100 engine oil temperature on Maretron’s DSM150, DSM200, or DSM250 display? You display the J2K100 engine oil temperature on a DSM150, DSM200, or DSM250 in the following way. Enter menu mode, scroll to "Favorite Screen Setup..." and press enter. Scroll to the favorite screen where you would like to view the oil temperature a... Read More
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