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  1. On which Onan generators is the J1939 interface offered as an option? Onan generators with power ratings from 4-32 kW offer the J1939 interface as an option.... Read More
  2. Which Onan generators come standard with a J1939 interface? Onan generators with power ratings from 40-99 kW offer the J1939 interface as standard equipment.... Read More
  3. Does Maretron have a interface cable for Caterpillar engine networks to the J2K100 device? The MCF-2M-D12CAT cable is used to interface a J2K100 to a CAT marine power display. It is recommended that the MCF-2M-D12CAT cable should connect to one of two ports on the CAT display. The ideal connection should be the occupied twelve pin connecto... Read More
  4. I see that Maretron’s DSM150, DSM200, and DSM250 displays have a SSC200 configuration setting called "Variation Source:"; what is this? Maretron's DSM150, DSM200, and DSM250 displays have a SSC200 configuration setting called "Variation Source:", which is used to tell the compass from where it should receive the magnetic variation for subsequent transmission of the heading (HDT)... Read More
  5. What is the maximum rate at which the SSC200 will transmit heading from the NMEA 0183 port? By default, the SSC200 transmits heading from the NMEA 0183 interface ten times per second. This can be changed to 40 times per second in one of two ways: 1) using Maretron's DSM150, DSM200, or DSM250 display (please see the respective 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. Can I use the J2K100 together with Onan generators? Yes, you can use the J2K100 together with Onan generators. Some of Onan generators (40-99kW) come standard with an J1939 interface,  while others (4-32kW) offer the J1939 interface as an option.... Read More
  8. Why doesn’t the J2K100 work with some versions of Onan generators? Some of Onan's early generators using the J1939 Network Interface Module (NIM) used ceramic resonators as opposed to crystal oscillators for the clock or timing source. Since the ceramic resonators are not as accurate or stable as crystal oscillators... Read More
  9. Which engines and generators work with the J2K100? The J2K100 works with any engine or generator that has a J1939 interface. Most modern marine engines over 150 HP (112 kW) have a J1939 interface. Please contact your engine or generator manufacturer or distributor to understand whether your engine or... Read More
  10. What features does the DC/Battery Monitor (DCM100) have? The Maretron DCM100 has the following features.NMEA 2000® InterfaceWaterproof ConnectorsSealed Waterproof EnclosureOpto-Isolated from NMEA 2000® Eliminating Potential Ground LoopsCan monitor DC Power Sources, Transmitting Voltage and CurrentCan monit... Read More
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