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Maretron J2K100 User Manual

J1939 to nmea 2000
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® ®
J2K100
J1939 to NMEA 2000
Gateway
®
User's Manual
Revision 1.1
Warning: Improper installation of the Maretron J2K100 may prevent existing engine
accessories (i.e., engine gauge displays, key switches, throttle and shift controls, etc.) from
working properly. You must have an understanding of J1939 data networks before attempting
to install the J2K100. Maretron strongly recommends that you understand SAE documents
J1939-11 and J1939-15 (see Section 3.1 of Appendix B) before attempting to install the
J2K100 and that you consult the engine/genset manufacture for their recommendations before
connecting anything to the J1939 network.
Copyright © 2007 Maretron, LLP All Rights Reserved
Maretron, LLP
rd
9014 N. 23
Ave #10
Phoenix, AZ 85021-7850
http://www.maretron.com
Maretron Manual Part #: M001201

Revision History

Revision 1.1
Page i

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Summary of Contents for Maretron J2K100

  • Page 1: Revision History

    (i.e., engine gauge displays, key switches, throttle and shift controls, etc.) from working properly. You must have an understanding of J1939 data networks before attempting to install the J2K100. Maretron strongly recommends that you understand SAE documents J1939-11 and J1939-15 (see Section 3.1 of Appendix B) before attempting to install the J2K100 and that you consult the engine/genset manufacture for their recommendations before connecting anything to the J1939 network.
  • Page 2 J2K100 User’s Manual Revision Description Original document Changed address on cover page Added warning on cover page Miscellaneous editorial changes Added Appendix B Page ii Revision 1.1...

  • Page 3: Table Of Contents

    7 Installation Template ......................11 8 Maretron (2 Year) Limited Warranty ..................12 Table of Figures Figure 1 – Mounting the J2K100....................2 Figure 3 – J2K100 Electrical Connections ................. 3 ® Figure 4 – NMEA 2000 Connector Face Views ............... 4 Figure 6 –...
  • Page 4 J2K100 User’s Manual This Page Intentionally Left Blank Page iv Revision 1.1...

  • Page 5: Introduction

    NMEA 2000 displays such as the Maretron DSM200 or DSM250. The Maretron J2K100 is designed to operate within the harsh demands of the marine environment. However, no piece of marine electronic equipment can function properly unless installed, configured, and maintained in the correct manner. Please read carefully and follow these instructions for installation, configuration, and usage of the Maretron J2K100 in order to ensure optimal performance.

  • Page 6: Installation

    1. The J2K100 is waterproof, so it can be mounted in a damp or dry location. 2. The orientation is not important, so the J2K100 can be mounted on a horizontal deck, vertical bulkhead, or even upside down if desired.

  • Page 7: Connecting The J2K100

    Maretron NMEA 2000 cable (or compatible cable) by connecting the female end of the cable to the J2K100 (note the key on the male connector and keyway on the female connector). Be sure the cable is connected securely and that the collar on the cable connector is tightened firmly.

  • Page 8: Connecting The J2K100 J1939 Interface

    2.4.2 Connecting the J2K100 J1939 Interface Vertical text on the J2K100 label identifies the J1939 connector. With the label right side up, the J1939 connector can be found on the left side of the enclosure. In order to make the J1939 connection, you will need to locate the supplied female field attachable connector.

  • Page 9: J1939 Source Address Selection

    (1) for the starboard transmission. By default the J2K100 uses transmission instance zero (0). If you are installing the J2K100 on a single transmission vessel, then you don’t have to configure this parameter. However, if you install two J2K100s for dual transmission vessels, then you will need to configure the starboard transmission J2K100 to use transmission instance one (1).

  • Page 10: Maintenance

    ® J2K100 using a Maretron DSM200 or DSM250 display or other NMEA 2000 display unit that is capable of configuring the J2K100. Please refer to the Maretron DSM200 User’s Manual or DSM250 User’s Manual, as appropriate, for details. 3 Maintenance Regular maintenance is important to ensure continued proper operation of the Maretron J2K100.

  • Page 11: Troubleshooting

    J2K100 will expose the sensitive electronic components to adverse environmental conditions that may render the unit inoperative. Please do not open the J2K100, as this will automatically void the warranty. If service is required, please return the unit to an authorized Maretron service location.
  • Page 12 J2K100 User’s Manual should be used only as aids to navigation and not as a replacement for traditional navigation aids and techniques. Page 8 Revision 1.1...
  • Page 13 Response to Requested PGNs 126464 PGN List (Transmit and Receive) 126996 Product Information 126998 Configuration Information Protocol PGNs 059392 ISO Acknowledge 059904 ISO Request 060928 ISO Address Claim 065240 ISO Address Command 126208 NMEA Maretron Proprietary PGN’s 128720 Configuration Revision 1.1 Page 9...

  • Page 14: Technical Support

    Conducted, Radiated, Supply, and ESD per IEC 60945-10 Safety Precautions Dangerous Voltage, Electromagnetic Radio Frequency per IEC 60945-12 6 Technical Support If you require technical support for Maretron products, you can reach us in any of the following ways: Telephone: 1-866-550-9100...

  • Page 15: Installation Template

    ® ® 7 Installation Template Please check the dimensions before using the following diagram as a template for drilling the mounting holes because the printing process may have distorted the dimensions. 2.35” 3.90” Figure 4 – Mounting Surface Template Revision 1.1 Page 11...

  • Page 16: Maretron (2 Year) Limited Warranty

    8 Maretron (2 Year) Limited Warranty Maretron warrants the J2K100 to be free from defects in materials and workmanship for two (2) years from the date of original purchase. If within the applicable period any such products shall be proved to Maretron’s satisfaction to fail to meet the above limited warranty, such products shall be repaired or replaced at Maretron’s...
  • Page 17 4: Engine tilt/trim – This field indicates the tilt or trim (positive or negative) of the engine in units of 1 percent. 5: Reserved – This field is reserved by NMEA; therefore, the J2K100 sets all bits to a logic 1.
  • Page 18 J2K100 User’s Manual 9: Fuel Pressure – This field indicates the pressure of the engine fuel in units of 1000 10: Reserved – This field is reserved by NMEA; therefore, the J2K100 sets all bits to a logic 1. 11: Engine Discrete Status 1 – This field indicates warning conditions of the engine with...
  • Page 19 2: Transmission Gear – This field indicates the current gear the transmission is operating in. 3: Reserved – This field is reserved by NMEA; therefore, the J2K100 sets all bits to a logic 1. 4: Transmission Oil Pressure – This field indicates the oil pressure of the transmission in units of 100 Pa.
  • Page 20 J2K100 User’s Manual 3: Generator Average AC RMS Frequency – This field indicates the average frequency of the generated power measured at the generator output in units of 1/128 Hz. 4: Generator Average RMS Current – This field indicates the average current measured at the generator output in units of 1 Ampere.

  • Page 21: Appendix B - Application Note

    (i.e., engine gauge displays, key switches, throttle and shift controls, etc.) from working properly. You must have an understanding of J1939 data networks before attempting to install the J2K100. Maretron strongly recommends that you understand SAE documents J1939-11 and J1939-15 (see Section 3.1 of this appendix) before attempting to install the J2K100 and that you consult the engine/genset manufacturer for their recommendations before connecting anything to the J1939 network.
  • Page 22 J2K100 User’s Manual Table of Contents Introduction ........................B3 ® NMEA 2000 Network Basics ................... B3 J1939 Network Basics....................... B4 3.1 SAE J1939 Recommended Cabling and Connectors........... B5 Determining J1939 Network Type ..................B5 4.1 Single Engine/Genset, No J1939 Network Installation ......... B5 4.2 Single Engine/Genset, Single J1939 Network Installation........

  • Page 23: Introduction

    ® together via its J1939/NMEA 2000 gateway (J2K100). This application note provides a basic overview of the two networks and how the J2K100 is used to bridge engine and genset ® information from the J1939 network to an NMEA 2000 network.

  • Page 24: J1939 Network Basics

    J2K100 User’s Manual 3 J1939 Network Basics ® Like an NMEA 2000 network, a J1939 network is based on Controller Area Network (CAN) technology. A CAN network consists of two or more nodes, and for J1939 networks, they usually include one or more engines and the corresponding engine displays. In addition to the nodes or electronic boxes, a CAN network consists of the cabling system, which is used to Ω...

  • Page 25: Sae J1939 Recommended Cabling And Connectors

    4 Determining J1939 Network Type Before installing Maretron’s J2K100, it is imperative to understand the type of J1939 network you are dealing with, which may be one of the following: 1. Single Engine/Genset, No Existing J1939 Network 2.
  • Page 26 After completing the physical connections, you will need to configure the J2K100 so it responds to the appropriate J1939 address. Most single engine installs have the J1939 address set to 0, but not always, so check with the engine manufacturer and use a Maretron ®...

  • Page 27: Single Engine/Genset, Single J1939 Network Installation

    1 meter or less in length. For illustration purposes, the J1939 network in Figure 6 shows the J2K100 drop or stub (i.e., connection between J1939 network and Maretron J2K100) as a two wire or twisted pair cable.

  • Page 28: Two Engines/Gensets, No J1939 Network Installation

    J2K100 User’s Manual ® NMEA 2000 instance to be set to 0. Again, you can use a Maretron display to program the ® appropriate NMEA 2000 instance. Refer to the J2K100 User’s Manual (Section 2.5) for a detailed of configuring a J2K100.

  • Page 29: Two Engines/Gensets, Single J1939 Network Installation

    Again, you can use a Maretron display to program the appropriate NMEA 2000 instances. Refer to the J2K100 User’s Manual (Section 2.5) for a description of configuring a J2K100. 4.4 Two Engines/Gensets, Single J1939 Network Installation Figure 8 shows a two engines/gensets, single J1939 network installation diagram.
  • Page 30 1 meter or less in length. For illustration purposes, the J1939 network in Figure 8 shows the J2K100 drops or stubs (i.e., connection between J1939 network and Maretron J2K100s) as a two wire or twisted pair cable.
  • Page 31 1 meter or less in length. For illustration purposes, the J1939 network in Figure 8 shows the J2K100 drops or stubs (i.e., connection between J1939 network and Maretron J2K100s) as a two wire or twisted pair cable.

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