J2K100 J1939 to NMEA 2000® Gateway User`s Manual
Contents
1. Mounting Screws 1 Female Micro Field Attachable Connector For connecting J1939 interface 1 J2K100 User s Manual 1 Warranty Registration Card If any of these items are missing or damaged please contact Maretron 2 2 Choosing a Mounting Location The J2K100 is mounted between the J1939 network and the NMEA 2000 network Please consider the following when choosing a mounting location 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 3 The J2K100 is temperature rated to 55 C 130 F so it should be mounted away from engines or engine rooms where the operating temperature exceeds the specified limit 2 3 Mounting the J2K100 Attach the J2K100 securely to the vessel using the included brass mounting screws or other fasteners as shown in Figure 1 below Do not use threadlocking compounds containing methacrylate ester such as Loctite Red 271 as they will cause stress cracking of the plastic enclosure Page 2 Revision 1 3 Maretron Figure 1 Mounting the J2K100 2 4 Connecting the J2K100 The J2K100 requires two electrical connections as shown in Figure 2 Refer to Section 2 4 1 for making the NMEA 2000 connection and Section 2 4 2 for making the J1939 connection Additional information can be found in Appendix B Interfacing J1939 Engines and2. If you notice unexpected operation of the Maretron J2K100 follow the troubleshooting procedures in this section to remedy simple problems If these steps do not solve your problem please contact Maretron Technical Support refer to Section 6 for contact information Revision 1 3 Page 7 J2K100 User s Manual Troubleshooting Procedure No engine transmission Ensure that the J1939 network is operational by observing J1939 or genset data visible on gauges or displays You should see information transmitted from NMEA 2000 network the engine transmission or genset displayed on the J1939 displays If you don t see data try disconnecting the J1939 connection you made to the J2K100 as something may have been connected incorrectly Once you are sure that the J1939 network is operational with a J2K100 connected ensure that the NMEA 2000 network is operational by observing displays You should see information from components besides the ones attached to the J2K100 which verifies an operational NMEA 2000 network If you don t see data try disconnecting the NMEA 2000 connection you made to the J2K100 as something may have been connected incorrectly Once you are sure that the J1939 and NMEA 2000 networks are operational with a connected J2K100 ensure that the NMEA 2000 connector is securely connected to the NMEA 2000 network and the J1939 connector is securely connected to the J1939 network Ensure that the J2K100 has the appro
3. Mounting the J2K100 atsosendabsotes ddatedeascateteaddaseseandbseteeddatedenadabetes 3 Figure 3 J2K100 Electrical Connections ennnen nenene eenen 3 Figure 4 NMEA 2000 Connector Face Views c ccccccccesesesesescsesescstscesetstaceceteteticececetereteees 4 Figure 6 Mounting Surface Template eessssssssssssssssssssseeee een 11 Table of Appendices Appendix A NMEA 2000 Interfacing Translations iasixciareeotieetelatei eee A1 Appendix B Application Note 2 iiie erento ad thru b acta ask Ee gra eaa d o age AR Re EIE nnnm Sida B1 Revision 1 3 Page iii J2K100 User s Manual This Page Intentionally Left Blank Page iv Revision 1 3 Maretron 1 Introduction Congratulations on your purchase of the Maretron J1939 to NMEA 2000 Gateway J2K100 Maretron has designed and built your gateway to the highest standards for years of dependable and accurate service Maretron s J2K100 is a gateway for bridging J1939 equipped engines and gensets with an NMEA 2000 network The gateway automatically converts incoming J1939 messages to NMEA 20009 messages so you can monitor your J1939 equipped engines transmissions or gensets with networked 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 install
4. detailed of configuring a J2K100 4 3 Two Engines Gensets No Existing J1939 Network Installation Although an engine or genset may have a J1939 interface a particular installation may not have a J1939 network because no other device is connected In this case it will be necessary to build a J1939 network to interconnect the engine genset with the Maretron J2K100 gateway which can be done using NMEA 2000 cable and connectors Figure 7 shows how to build a J1939 network using Maretron NMEA 2000 cable and connectors pec SS SS Ss pS Se SS Re SSS SSS mmme eem e Rm Emme NMEA 2000 Network Lt II C HeH L L L L J T i Maretron Micro i Powertap Tee 1 CF SPWRO5 CF l Maretron Display 1 Maretron J1939 to DSM200 DSM250 Maretron J1939 to NMEA2 000 ionem iencncet seam Ets euet NMEA 2000 Gateway J2K100 Gateway J2K100 Ende Micro EE eus O Maretron Micro Ended Cordsets Maretron Micro Female Terminator CM CG1 CF XX 0 Male Terminator TR ES B oA S TR CM Maretron Micro Male Field p 4 q_Ditachable ene FA CM Meus Maretron Maretron Micro Tee User Supplied Cable Connector Micro Tee CM CF CF Compatible with Engine Genset gt CM CF CF Manufacture Cabling System J1939 J1939 Engine or Engine or Genset Genset J1939 Network Figure 7 Two Engines Gensets No J1939 Network Installation Diagram Although not required this example mostly uses NMEA 2000 cable and connectors fo
5. refer to the messages as Parameter Group Numbers or PGNs Usually but not always the port engine is assigned to address 0 while the starboard engine is assigned to address 1 by the engine manufacturer Another example showing two engines with dual J1939 networks is given below in Figure 4 Page B4 Appendix B Application Note Hevision 1 3 Maretron Starboard Engine Connection a Q Q bodio 1 Figure 4 Two Engines Dual J1939 Networks Unlike the single J1939 network shown in Figure 3 the dual J1939 network scheme shown in Figure 4 does not require the engines to have unique J1939 addresses This is because the display can determine which messages or PGNs are from which engine by the physical connection on the display unit In this scheme each engine usually uses a source address of zero 0 3 1 SAE J1939 Recommended Cabling and Connectors Maretron highly recommends that you purchase and understand two documents published by SAE which describe the recommended cables and connectors used for J1939 networks approximately 100 These documents J1939 11 and J1939 15 provide important information for cabling and connectors used to interconnect the J2K100 with the J1939 network You can find these documents at the following web page http www sae org standardsdev groundvehicle j1939a htm Deutsch Industrial Products Division is a supplier of J1939 connectors their catalog can be found at the following link http Aww
6. CM CG1 CF XX 0 TR CM 1 x I I 1 I 1 I 1 I LE E E 1 Maretron Micro Male Field i i Pi gt Connector FA i CF ST Maretron i 1 Micro Tee User Supplied Cable Connector CM CF CF lt Compatible with Engine Genset 1 1 1 I 1 I 1 I 1 I 1 I 1 I 1 1 1 I 1 I J1939 Network Figure 5 Single Engine Genset No J1939 Network Installation Diagram Although not required this example mostly uses NMEA 2000 cable and connectors for the J1939 network This is convenient because the network components are readily available and easily plugged together Notice that there is no powertap in the J1939 network and this is because the J1939 engine genset and J2K100 receive their power independent of the J1939 network An alternative to building the J1939 network with NMEA 2000 approved cabling is to use SAE recommended cabling and connectors see Section 3 1 For illustration purposes the J1939 network in Figure 5 shows the engine drop or stub i e connection between engine genset and the Maretron tee as a two wire or twisted pair cable The network wiring actually requires three wires two CAN bus signals usually designated CAN H and CAN L usually yellow and green respectively and a ground used as a reference usually designated as CAN SHLD Refer to SAE J1939 11 and J1939 15 for recommended practices in connecting CAN H CAN L and CAN SHLD After completing the physical connections you will need to configure the J2K10
7. 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 You configure the 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 2 5 4 J1939 Diagnostic Messages Enable Disable The J2K100 is capable of re broadcasting J1939 diagnostic messages output by the monitored engine transmission or genset onto the NMEA 2000 network As shipped from the factory the J2K100 does not transmit J1939 diagnostic messages over the NMEA 2000 network If this behavior is desired it may be enabled with the 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 2 5 5 NMEA 2000 PGN Enable Disable The J2K100 is capable of transmitting several different kinds of NMEA 2000 messages or PGNs associated with engines transmissions and gensets The J2K100 automatically detects incoming messages from the J1939 network and translates them into corresponding NMEA 2000 PGNs For example if the J2K100 receives engine re
8. or Gensets to an NMEA 2000 Network Using Maretron s J1939 to NMEA 2000 Gateway J2K100 NMEA 2000 connector NMEA 2000 port J1939 Port J1939 Field Attachable Connector Female Figure 2 J2K100 Electrical Connections Hevision 1 3 Page 3 J2K100 User s Manual 2 4 1 Connecting the J2K100 NMEA 2000 Interface Vertical text on the J2K100 label identifies the NMEA 2000 connector With the label right side up ihe NMEA 2000 connector can be found on the right side of the enclosure The NMEA 2000 connector is a five pin male connector see Figure 3 You connect the J2K100 to an NMEA 2000 network using a Maretron NEL 2000 cable or compatible cable by connecting the female end of the cable to the J2K100 note the key a 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 Connect the other end of the cable male to the NMEA 2000 network in the same manner The J2K100 is designed such that you can plug or unplug it from an NMEA 2000 network while the power to the network is connected or disconnected Please follow recommended practices for installing NMEA 2000 network products See Figure 3 for NMEA 2000 connector pin assignments QO Q Pins Sockets Connector Threads Connector Threads Male Connector Female Connector Pin 1 Shield Pin 2 NET S power supply positive V Pin 3 NET C
9. 0 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 NMEA 2000 display DSM200 DSM250 to program the J2K100 with the corresponding Page B6 Appendix B Application Note Hevision 1 3 Maretron J1939 address On the NMEA 2000 side most single engine displays are looking for the 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 description of configuring a J2K100 4 2 Single Engine Genset Single J1939 Network Installation Figure 6 shows a single engine genset single J1939 network installation diagram This type of system already has a working J1939 network so there is no need to build the entire J1939 network as described in Section 4 1 Maretron J1939 to NMEA 2000 4 J1939 Network GatpWay WER1UO Maretron Micro Female Field A B NE Q Q User Supplied Cable Connector Compatible with Engine Genset 7 d Manufacture Cabling System 7 Installed J1939 Network Usually Twisted Pair Attachable Connector Included with J2K100 FA CF ST EODD t Q Q O J1 is Q 939 Display Installed Installed Termination Engine or Termination Resistor Genset Resistor Figure 6 Single Engine Genset Single J1939 Netwo
10. 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 The network wiring actually requires three wires two CAN bus signals usually designated CAN H and CAN L usually yellow and green respectively and a ground used as a reference usually designated as CAN SHLD Refer to SAE J1939 11 and J1939 15 for recommended practices in connecting CAN H CAN L and CAN SHLD After completing the physical connections you will need to configure the J2K100 s so they respond to the appropriate J1939 engines gensets Most dual engine installs have the port engine J1939 address set to O and the starboard engine J1939 address set to 1 but not always so check with the engine manufacturer and use a Maretron NMEA 2000 display DSM200 DSM250 to program the J2K100s with the corresponding J1939 address On the NMEA 2000 side most dual engine displays are looking for the NMEA 2000 instance to be set to O for the port engine and the NMEA 2000 instance set to 1 for the starboard engine 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 Hevision 1 3 Appendix B Application Note Page B11
11. 3 Maretron Table of Contents LN gee Nios is a ERE EUM 1 1 41 Firmware REVISION RR ERE 1 12 JOB TOU Pestres m ee ee Un ieu E 1 T Quek Install recte EE mR RUE QUU EEE EE UM IR CEPR arnt MELOS 1 2 MUMS AN MN let kc ocho 2 2 1 Unpacking WING BOX ieii iiini 2 2 2 Choosing a Mounting Location eenen 2 2 3 Mounting the air mm 2 2 4 Connecting the J2K100 c 3 2 4 1 Connecting the J2K100 NMEA 2000 Interface 4 2 4 2 Connecting the J2K100 J1939 Interface sssssssssss 4 2 4 3 Checking CONMECHONS E s 5 2 5 Configuring the J2K100 nena eee Me eee ne ee eee et eee eee nes ee Seren neem tes ee n nennen neen ennenen 5 2 5 1 J1939 Source Address Selection cce B 2 5 2 NMEA 2000 Engine Instance Selection cccccesesesesesesesesesesesesesesesenens 6 2 5 3 NMEA 2000 Transmission Instance Selection ssssee 6 2 5 4 J1939 Diagnostic Messages Enable Disable ssssssssss 6 2 5 5 NMEA 2000 PGN Enable Disable c c cccccsssesesesesesesesesesesesesesesesesenens 6 3 Maintenance ssa m T TER 7 A Be Tu 01 13 90 01 ys o o tbe o PEPPER PEE pF e pastu 7 5 Technical Specifications RR E 8 6 Technical SUD te p sessie m 10 7 J stallation Template cerris E m m m 11 8 Maretrom 2 Year Limited Warranty ities sees tre meet nee cee Dien nn M eU eee 12 Table of Figures Figure 1
12. 65231 J1939 Diagnostic Message 6 N A 65232 1939 Diagnostic Message 8 N A 65234 1939 Diagnostic Message 10 N A 65235 1939 Diagnostic Message 11 N A 65236 1939 Diagnostic Message 12 N A Response to Requested PGNs 126464 PGN List Transmit and Receive N A 126996 Product Information N A 126998 Configuration Information N A Protocol PGNs 059392 ISO Acknowledge N A 059904 ISO Request N A 060928 ISO Address Claim N A 065240 ISO Address Command N A 126208 NMEA N A Revision 1 3 Page 9 J2K100 User s Manual Maretron Proprietary PGN s 128720 Configuration N A Electrical Parameter Value Comment Operating Voltage 9 to 16 Volts DC Voltage Power Consumption lt 150mA Average Current Drain Load Equivalence Number LEN 3 NMEA 2000 Spec 1LEN 50 mA Reverse Battery Protection Yes Indefinitely Load Dump Protection Yes Energy Rated per SAE J1113 Mechanical Parameter Value Comment Size 4 50 x 3 20 x 2 09 Including Flanges for Mounting Weight 8 oz Environmental Parameter Value IEC 60954 Classification Exposed Degree of Protection IP66 Operating Temperature 25 C to 55 C Storage Temperature 40 C to 70 C Relative Humidity 93 RH 40 per IEC60945 8 2 Vibration 2 13 2Hz x1mm 13 2 100Hz 7m s2 per IEC 60945 8 7 Rain and Spray 12 5mm Nozzle 100liters min from 3m for 30min per
13. 939 networks similar to the diagram shown in Figure 9 After completing the physical connections you will need to configure the J2K100 s so they respond to the appropriate J1939 engines gensets Most dual engine installs have the port engine J1939 address set to 0 and the starboard engine J1939 address set to 1 but not always so check with the engine manufacturer and use a Maretron NMEA 20009 display DSM200 DSM250 to program the J2K100s with the corresponding J1939 address On the NMEA 2000 side most dual engine displays are looking for the NMEA 2000 instance to be set to O for the port engine and the NMEA 2000 instance set to 1 for the starboard engine 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 NMEA 2000 Network Maretron J1939 to ror NMEA 2000 J1939 Network Gateway J2K100 Maretron Micro Female Field E I I L L I I I L I 1 L 1 L I I I I I i L i Attachable Connector Included i I I 1 L 1 L I I I I l L L 1 I I I I I Maretron J1939 to NMEA 2000 Gateway J2K100 User Supplied Cable Connector Compatible with Engine Genset m Manufacture Cabling System EN a t Maretron Micro Female Fi
14. Bit 13 EGR System Bit 14 Throttle Position Sensor Bit 15 Emergency Stop Mode Engine Discrete Status 2 This field indicates warning conditions of the engine with the following bit assignments value of 1 indicates warning present Bit 0 Warning Level 1 Bit 1 Warning Level 2 Bit 2 Power Reduction Bit 3 Maintenance Needed Bit 4 Engine Comm Error Bit 5 Sub or Secondary Throttle Bit 6 Neutral Start Protect Bit 7 Engine Shutting Down Bit 8 15 These bits are reserved and should be masked when read Percent Engine Load This field indicates the percent load of the engine in units of 1 percent Percent Engine Torque This field indicates the percent torque of the engine in units of 1 percent PGN 127498 Engine Parameters Static The J2K100 uses this PGN to transmit unchanging engine data Field 1 Engine Instance This field indicates the particular engine for which this data applies A single engine will have an instance of 0 Engines in multi engine boats will be numbered starting at O at the bow of the boat incrementing to n going in towards the stern of the boat For engines at the same distance from the bow are stern the Page A2 Appendix A NMEA 2000 Interfacing Revision 1 3 Maretron engines are numbered starting from the port side and proceeding towards the starboard side 2 Rated Engine Speed This field indicates the maximum rated rotational speed of the engine in units of 74 RPM 3 VIN
15. EA 2000 Network B3 Figure 2 Typical Single Engine J1939 Network eneee B4 Figure 3 Two Engine Single J1939 Network B4 Figure 4 Two Engine Dual J1939 Networks eeseeeeeeeeeeeeeeeeee nennen nennen B5 Figure 5 Single Engine Genset No J1939 Network Installation Diagram B6 Figure 6 Single Engine Genset Single J1939 Network Installation Diagram B7 Figure 7 Two Engines Gensets No J1939 Network Installation Diagram B8 Figure 8 Two Engines Gensets Single J1939 Network Installation Diagram B9 Figure 9 Two Engines Gensets Dual J1939 Network Installation Diagram B10 Page B2 Appendix B Application Note Revision 1 3 Maretron 1 Introduction The Society of Automotive Engineers SAE has developed an electronic communication networking standard for the automotive industry called J1939 which is used on many larger diesels and some gasoline engines Likewise the National Marine Electronics Association NMEA has developed an electronic communication networking standard for the marine industry called NMEA 2000 which is used for navigation information as well as other vessel data such as engine information These two networks are now beginning to coincide more and more on vessels and Maretron has developed a gateway for bridging the two networks together via
16. IEC 60945 8 8 Solar Radiation Ultraviolet B A Visible and Infrared per IEC 60945 8 10 Corrosion Salt Mist 4 times 7days 40 C 95 RH after 2 hour Salt Spray Per IEC 60945 8 12 Electromagnetic Emission Conducted and Radiated Emission per IEC 60945 9 Electromagnetic Immunity 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 Fax 1 602 861 1777 E mail support maretron com World Wide Web http www maretron com Mail Maretron LLP Attn Technical Support 9014 N 23 Ave Suite 10 Phoenix AZ 85021 USA Page 10 Revision 1 3 Maretron 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 and e eo P E E w N N AB e C1 CO Figure 5 Mounting Surface Template Revision 1 3 Page 11 J2K100 User s Manual 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
17. MPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND OF FITNESS FOR A PARTICULAR PURPOSE Statements made by any person including representatives of Maretron which are inconsistent or in conflict with the terms of this Limited Warranty shall not be binding upon Maretron unless reduced to writing and approved by an officer of Maretron IN NO CASE WILL MARETRON BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES DAMAGES FOR LOSS OF USE LOSS OF ANTICIPATED PROFITS OR SAVINGS OR ANY OTHER LOSS INCURRED BECAUSE OF INTERRUPTION OF SERVICE IN NO EVENT SHALL MARETRON S AGGREGATE LIABILITY EXCEED THE PURCHASE PRICE OF THE PRODUCT S INVOLVED MARETRON SHALL NOT BE SUBJECT TO ANY OTHER OBLIGATIONS OR LIABILITIES WHETHER ARISING OUT OF BREACH OF CONTRACT OR WARRANTY TORT INCLUDING NEGLIGENCE OR OTHER THEORIES OF LAW WITH RESPECT TO PRODUCTS SOLD OR SERVICES RENDERED BY MARETRON OR ANY UNDERTAKINGS ACTS OR OMISSIONS RELATING THERETO Maretron does not warrant that the functions contained in any software programs or products will meet purchaser s requirements or that the operation of the software programs or products will be uninterrupted or error free Purchaser assumes responsibility for the selection of the software programs or products to achieve the intended results and for the installation use and results obtained from said programs or products No specifications samples descriptions or illustration
18. Maretron J2K100 J1939 to NMEA 20009 Gateway User s Manual Revision 1 3 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 2012 Maretron LLP All Rights Reserved Maretron LLP 9014 N 23 Ave 10 Phoenix AZ 85021 7850 http www maretron com Maretron Manual Part M001201 Revision 1 3 Page i J2K100 User s Manual Revision History Revision Description 1 0 Original document 1 1 Changed address on cover page Added warning on cover page Miscellaneous editorial changes Added Appendix B 1 2 Changed cable part numbers in Appendix B to reflect new Maretron part zs Inserted new figure showing J1939 connection diagram Added new translations to Section 5 Technical Specifications Updated Mounting Drawings and Mounting Template for new black enclosure 1 3 Added prohibition of red Loctite threadlocking compound and cleaning agents containing acetone Page ii Revision 1
19. This field indicates the Vehicle Identification Number of the engine as a textual representation 4 Software ID This field indicates the version number or other identifying information for the software in the engine as a textual representation PGN 127493 Transmission Parameters Dynamic The J2K100 uses this PGN to transmit rapidly changing transmission data Field 1 Transmission Instance This field indicates the particular transmission for which this data applies A single transmission will have an instance of 0 Transmissions in multi transmission boats will be numbered starting at 0 at the bow of the boat incrementing to n going in towards the stern of the boat For transmissions at the same distance from the bow are stern the transmissions are numbered starting from the port side and proceeding towards the starboard side 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 5 Transmission Oil Temperature This field indicates the oil temperature of the transmission in units of 0 1 K 6 Transmission Discrete Status This field indicates warning conditions of the transmission with the following bit assignments value of 1 indicates warning present Bit 0 Check Transmi
20. ctors two for power and ground 12Volts two for data and one for shielding Hevision 1 3 Appendix B Application Note Page B3 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 interconnect the nodes At both ends of the network are terminating resistors 1210 that are used to terminate the line in its characteristic impedance to prevent reflections or ringing on the network J1939 is typically wired using twisted pair for the two data lines Figure 2 shows a typical J1939 network with a single engine and a single display Cabling System Most Likely Twisted Pair N Termination Resistor A Termination Resistor Nodes Figure 2 Typical Single Engine J1939 Network Another example showing a two engine single J1939 network is given below in Figure 3 Starboard J1939 Display Figure 3 Two Engine Single J1939 Network The two engine single J1939 network shown in Figure 3 requires the individual engines to use different source addresses so that the display can distinguish which data packets or messages are associated with which engine J1939 and NMEA 2000
21. ed 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 1 1 Firmware Revision This manual corresponds to J2K100 firmware revision 1 0 8 1 2 J2K100 Features The Maretron J2K100 has the following features NMEA 2000 and J1939 Interfaces Waterproof Connectors Sealed Waterproof Enclosure Translates J1939 Engine and Transmission Messages to Equivalent NMEA 2000 Messages Capable of Passing J1939 Diagnostic Messages Passes J1939 AC Generator Parameters through to the NMEA 2000 network J1939 Interface is Opto Isolated from NMEA 2000 Eliminating Potential Ground Loops Obtains Power from NMEA 2000 Port No power drawn from or data transmitted on J1939 interface 1 3 Quick Install Installing the Maretron J2K100 gateway involves the following five steps Please refer to the individual sections for additional details Unpack the Box Section 2 1 Choose a Mounting Location Section 2 2 Mount the J2K 100 Section 2 3 Connect the J2K100 Section 2 4 Configure the J2K100 Optional only required for specialized configurations Section 2 5 pne er ex Hevision 1 3 Page 1 J2K100 User s Manual 2 Installation 2 1 Unpacking the Box When unpacking the box containing the Maretron J2K100 you should find the following items 1 J2K100 J1939 to NMEA 2000 Gateway 4
22. eld Attachable Connector Included e with J2K100 FA CF ST with J2K100 FA CF ST J1939 Port Engine or Genset J1939 Starboard Engine or Genset Installed Termination Resistor Installed Termination Resistor Figure 8 Two Engines Gensets Single J1939 Network Installation Diagram Hevision 1 3 Appendix B Application Note Page B9 J2K100 User s Manual This configuration requires two additional drops or stubs from the J1939 trunk or backbone to the Maretron J2K100s You should follow the engine genset manufacturer s instructions for adding the drop which are generally specified to be 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 The network wiring actually requires three wires two CAN bus signals usually designated CAN H and CAN L usually yellow and green respectively and a ground used as a reference usually designated as CAN SHLD Refer to SAE J1939 11 and J1939 15 for recommended practices in connecting CAN H CAN L and CAN SHLD After completing the physical connections you will need to configure the J2K100 s so they respond to the appropriate J1939 engines gensets Most dual engine installs have the port engine J1939 address set to 0 and the starboard engine J1939 address set to 1 but not always so check with
23. icates the oil pressure of the engine in units of 100 Pa Engine Oil Temperature This field indicates the oil temperature of the engine in units of 0 1 K Engine Temperature This field indicates the temperature of the engine coolant in units of 0 1 K Alternator Potential This field indicates the alternator voltage in units of 0 01V Fuel Rate This field indicates the fuel consumption rate of the engine in units of 0 0001 cubic meters hour Total Engine Hours This field indicates the cumulative runtime of the engine in units of 1 second Engine Coolant Pressure This field indicates the pressure of the engine coolant in units of 100 Pa Hevision 1 3 Appendix A NMEA 2000 Interfacing Page A1 J2K100 User s Manual 12 Fuel Pressure This field indicates the pressure of the engine fuel in units of 1000 Pa Reserved This field is reserved by NMEA therefore the J2K100 sets all bits to a logic 1 Engine Discrete Status 1 This field indicates warning conditions of the engine with the following bit assignments value of 1 indicates warning present Bit 0 Check Engine Bit 1 Over Temperature Bit 2 Low Oil Pressure Bit 3 Low Oil Level Bit 4 Low Fuel Pressure Bit 5 Low System Voltage Bit 6 Low Coolant Level Bit 7 Water Flow Bit 8 Water in Fuel Bit 9 Charge Indicator Bit 10 Preheat Indicator Bit 11 High Boost Pressure Bit 12 Rev Limit Exceeded
24. 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 2 NMEA 2000 Network Basics An NMEA 2000 network consists of two or more nodes electronic boxes interconnected together using NMEA 2000 approved cable and connectors A typical NMEA 2000 network is shown in Figure 1 Maretron Micro Maretron Micro Maretron Micro Male Terminator Powertap Tee Male Terminator TR CM CF SPWRO5 CF TR CM Maretron MEEL Maretron Micro Double 9d Ended Cordsets Connection 4 CM CG1 CF XX 0 Maretron Tank Maretron Level Adapter Display TLA100 DSM200 DSM250 Figure 1 Typical NMEA 2000 Network The trunk or backbone horizontal cable and connectors shown in Figure 1 usually runs stem to stern throughout the vessel with individual components connected as drops or stubs vertical cable and connectors shown in Figure 1 NMEA 2000 networks can have as many as 50 drops throughout the vessel containing virtually any vessel information engines batteries AC systems tanks rudder position compass GPS depth AIS data etc Each end of the trunk or backbone is connected to a termination resistor 1210 which is used to terminate the line in its characteristic impedance to prevent reflections or ringing on the network NMEA 2000 cables and connectors contain 5 condu
25. lated messages from the J1939 network but no transmission or genset messages then the J2K100 will generate the corresponding NMEA 2000 engine PGNs but it will not transmit any NMEA 2000 transmission or genset messages As another example let s say that there is an engine and a genset connected to the J1939 network yet we are only interested in having the engine messages translated to corresponding NMEA 2000 PGNs In this case the J2K100 can be configured to enable engine PGNs while disabling genset PGNs You can configure the J2K100 using a Maretron DSM200 or DSM250 display or other NMEA 2000 display unit that Page 6 Revision 1 3 Maretron 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 Perform the following tasks periodically e Clean the unit with a soft cloth Do not use chemical cleaners as they may remove paint or markings or may corrode the J2K100 enclosure or seals Do not use any cleaners containing acetone as they will deteriorate the plastic enclosure e Ensure that the unit is mounted securely and cannot be moved relative to the mounting surface If the unit is loose tighten the mounting screws e Check the security of the cable connected to the NMEA 2000 and J1939 connectors and tighten if necessary 4 Troubleshooting
26. ne data Field 1 Engine Instance This field indicates the particular engine for which this data applies A single engine will have an instance of 0 Engines in multi engine boats will be numbered starting at O at the bow of the boat incrementing to n going in towards the stern of the boat For engines at the same distance from the bow are stern the engines are numbered starting from the port side and proceeding towards the starboard side Engine Speed This field indicates the rotational speed of the engine in units of RPM Engine Boost Pressure This field indicates the turbocharger boost pressure in units of 100 Pa Engine tilt trim This field indicates the tilt or trim positive or negative of the engine in units of 1 percent Reserved This field is reserved by NMEA therefore the J2K100 sets all bits to a logic 1 PGN 127489 Engine Parameters Dynamic The J2K100 uses this PGN to transmit more slowly changing engine data Field 1 Engine Instance This field indicates the particular engine for which this data applies A single engine will have an instance of 0 Engines in multi engine boats will be numbered starting at O at the bow of the boat incrementing to n going in towards the stern of the boat For engines at the same distance from the bow are stern the engines are numbered starting from the port side and proceeding towards the starboard side Engine Oil Pressure This field ind
27. ngine Fuel Rate 127489 247 65253 Engine Total Hours of Operation 127489 109 65263 Engine Coolant Pressure 127489 94 65263 Engine Fuel Delivery Pressure 127489 92 61443 Engine Percent Load at Current Speed 127489 513 61444 Actual Engine Percent Torque 127489 168 65271 Electrical Potential Voltage 127489 158 65271 Battery Potential Voltage Switch 127489 189 65214 Engine Rated Speed 127498 237 65260 Vehicle Identification Number 127498 234 65242 Software Identification 127498 523 61445 Transmission Current Gear 127493 127 65272 Transmission Oil Pressure 127493 177 65272 Transmission Oil Temperature 127493 Certifications Parameter Comment NMEA 2000 Level B Maritime Navigation and Radiocommunication Equipment amp Systems IEC 60945 FCC and CE Mark Electromagnetic Compatibility NMEA 2000 Parameter Group Numbers PGNs Description PGN PGN Name Default Rate Periodic Data PGNs 127488 Engine Parameters Rapid Update 10 times second 127489 Engine Parameters Dynamic 1 time second 127498 Engine Parameters Static N A 127493 Transmission Parameters Dynamic 10 times second 65030 1939 Generator Average Basic AC Quantities 10 times second 65226 11939 Diagnostic Message 1 N A 65227 1939 Diagnostic Message 2 N A 65228 1939 Diagnostic Message 3 N A 65229 1939 Diagnostic Message 4 N A 65230 1939 Diagnostic Message 5 N A
28. or Threads Male Connector Female Connector Pin 1 No Connection Pin 2 No Connection Pin 3 J1939 Ground Pin 4 NET H CAN H Pin 5 NET L CAN L Figure 4 J1939 Connector Face Views 2 4 3 Checking Connections Once the NMEA 2000 and J1939 connections to the J2K100 have been completed check to see that information is being properly transmitted by observing an appropriate NMEA 20009 display If you don t see engine and or generator data refer to Section 4 Troubleshooting 2 5 Configuring the J2K100 As shipped from the factory the J2K100 does not require any special configuration and will work for most applications However there are several configurable items within the J2K100 including 1 J1939 source address selection 2 NMEA 2000 engine instance selection 3 NMEA 2000 transmission instance selection 4 J1939 diagnostic messages enable disable and 4 NMEA 2000 PGN enable disable 2 5 1 J1939 Source Address Selection The J2K100 connects into a J1939 network and translates messages from a single J1939 device into NMEA 2000 messages By default the J2K100 only translates J1939 messages from a J1939 device with a source address of zero If the J1939 source address of the engine transmission or genset to be monitored is different than zero then the J2K100 must be programmed with the appropriate J1939 source address This can be done with the Maretron DSM200 or DSM 250 displays or other NMEA 2000 display uni
29. power supply common V Pin 4 NET H CAN H Pin 5 NET L CAN L Figure 3 NMEA 2000 Connector Face Views 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 This connector is fitted to one end of a 3 conductor cable not supplied Make the connections between the 3 conductor cable and the field attachable connector by following the instruction contained within the bag Although the field attachable connector has 5 terminals you only need to connect the CAN bus signals and ground signal NET H white terminal NET L blue terminal and ground or NET C black terminal The other end of the 3 conductor cable needs to be tied into the J1939 network You will need to identify the CAN bus signals on the J1939 network by reviewing the manufacturer s documentation Most likely they will identify the CAN bus signals as CAN H and CAN L which correspond to the field attachable terminals NET H and NET L respectively You will also need to connect the NET C or ground signal Page 4 Revision 1 3 Maretron found within the field attachable connector to the J1939 ground connection See Figure 4 for J1939 connector pin assignments Pins Sockets Connector Threads Connect
30. priate NUEA 2000 PGNs enabled as described in Section 2 5 5 Ensure that the J2K100 is programmed with an engine or transmission J1939 source address that corresponds to the J1939 source addressed used by the connected engine or genset as described in Section 2 5 1 Warning There are no user serviceable components inside the Maretron J2K100 Opening the 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 5 Technical Specifications As Maretron is constantly improving its products all specifications are subject to change without notice Maretron products are designed to be accurate and reliable however they should be used only as aids to navigation and not as a replacement for traditional navigation aids and techniques Page 8 Revision 1 3 J1939 Data Translated to NMEA 2000 Data Maretron J1939 SPN PGN Description NMEA 2000 PGN 190 61444 Engine Speed 127488 102 65270 Engine Turbocharger Boost Pressure 127488 100 65263 Engine Oil Pressure 127489 175 65262 Engine Oil Temperature 1 127489 110 65262 Engine Coolant Temperature 127489 167 65271 Alternator Potential Voltage 127489 183 65266 E
31. r the J1939 network This is convenient because the network components are readily available and easily plugged together Notice that there is no powertap in the J1939 network and this is because the J1939 engine genset and J2K100 receive their power independent of the J1939 network An alternative to building the J1939 network with NMEA 2000 approved cabling is to use SAE recommended cabling and connectors see Section 3 1 For illustration purposes the J1939 network in Figure 5 shows the engine drops or stubs i e connections between engines gensets and the Maretron tees as a two wire or twisted pair Page B8 Appendix B Application Note Hevision 1 3 Maretron cable The network wiring actually requires three wires two CAN bus signals usually designated CAN H and CAN L usually yellow and green respectively and a ground used as a reference usually designated as CAN SHLD Refer to SAE J1939 11 and J1939 15 for recommended practices in connecting CAN H CAN L and CAN SHLD The diagram in Figure 7 requires that the J1939 engines gensets have unique J1939 addresses otherwise the J2K100s won t be able to distinguish which messages or PGNs are from which engine Check with the engine manufacturer to be sure that the J1939 interfaces on the engines gensets have been set to different addresses If the engines gensets have the same address and the engine manufacturer is unable program unique addresses you will need to build two separate J1
32. rk Installation Diagram This configuration requires an additional drop or stub from the J1939 trunk or backbone to the Maretron J2K100 You should follow the engine genset manufacturer s instructions for adding the drop which are generally specified to be 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 The network wiring actually requires three wires two CAN bus signals usually designated CAN H and CAN L usually yellow and green respectively and a ground used as a reference usually designated as CAN SHLD Refer to SAE J1939 11 and J1939 15 for recommended practices in connecting CAN H CAN L and CAN SHLD 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 NMEA 2000 display DSM200 DSM250 to program the J2K100 with the corresponding J1939 address On the NMEA 2000 side most single engine displays are looking for the Hevision 1 3 Appendix B Application Note Page B7 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
33. s provided Maretron to Purchaser whether directly in trade literature brochures or other documentation shall be construed as warranties of any kind and any failure to conform with such specifications samples descriptions or illustrations shall not constitute any breach of Maretron s limited warranty Warranty Return Procedure To apply for warranty claims contact Maretron or one of its dealers to describe the problem and determine the appropriate course of action If a return is necessary place the product in its original packaging together with proof of purchase and send to an Authorized Maretron Service Location You are responsible for all shipping and insurance charges Maretron will return the replaced or repaired product with all shipping and handling prepaid except for requests requiring expedited shipping i e overnight shipments Failure to follow this warranty return procedure could result in the product s warranty becoming null and void Maretron reserves the right to modify or replace at its sole discretion without prior notification the warranty listed above To obtain a copy of the then current warranty policy please go to the following web page http www maretron com company warranty php Page 12 Revision 1 3 Maretron Appendix A NMEA 2000 Interfacing J2K100 NMEA 2000 Periodic Data Transmitted PGNs PGN 127488 Engine Parameters Rapid Update The J2K100 uses this PGN to transmit rapidly changing engi
34. ssion Bit 1 Over Temperature Bit 2 Low Oil Pressure Bit 3 Low Oil Level Bit 4 Sail Drive Bit 5 8 These bits are reserved and should be masked when read 7 Reserved This field is reserved by NMEA therefore the J2K100 sets all bits to a logic 1 PGN 65030 Generator Average Basic AC Quantities The J2K100 uses this PGN to transmit data concerning the electrical output from a genset Field 1 Generator Average Line Line AC RMS Voltage This field indicates the average line to line voltage measured at the generator output in units of 1 Volt 2 Generator Average Line Neutral AC RMS Voltage This field indicates the average line to neutral voltage measured at the generator output in units of 1 Volt Hevision 1 3 Appendix A NMEA 2000 Interfacing Page A3 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 A4 Appendix A NMEA 2000 Interfacing Revision 1 3 Maretron Appendix B Application Note Interfacing J1939 Engines and or Gensets to an NMEA 2000 Network Using Maretron s J1939 to NMEA 2000 Gateway J2K100 Warning Improper installation of the Maretron J2K100 may prevent existing engine accessories i e engine gauge displays key switches
35. 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 option Purchaser s exclusive remedy and Maretron s sole obligation hereunder provided product is returned pursuant to the return requirements below shall be limited to the repair or replacement at Maretron s option of any product not meeting the above limited warranty and which is returned to Maretron or if Maretron is unable to deliver a replacement that is free from defects in materials or workmanship Purchaser s payment for such product will be refunded Maretron assumes no liability whatsoever for expenses of removing any defective product or part or for installing the repaired product or part or a replacement therefore or for any loss or damage to equipment in connection with which Maretron s products or parts shall be used With respect to products not manufactured by Maretron Maretron s warranty obligation shall in all respects conform to and be limited to the warranty actually extended to Maretron by its supplier The foregoing warranties shall not apply with respect to products subjected to negligence misuse misapplication accident damages by circumstances beyond Maretron s control to improper installation operation maintenance or storage or to other than normal use or service THE FOREGOING WARRANTIES ARE EXPRESSLY IN LIEU OF AND EXCLUDES ALL OTHER EXPRESS OR I
36. t 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 Hevision 1 3 Page 5 J2K100 User s Manual 2 5 2 NMEA 2000 Engine Instance Selection NMEA 2000 provides a unique engine instance for each engine on a vessel Single engine vessels use engine instance zero 0 while dual engine vessels use engine instance zero 0 for the port engine and engine instance one 1 for the starboard engine By default the J2K100 uses engine instance zero 0 If you are installing the J2K100 on a single engine vessel then you don t have to configure this parameter However if you install two J2K100s for dual engine vessels then you will need to configure the starboard engine J2K100 to use engine instance one 1 You configure the 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 2 5 3 NMEA 2000 Transmission Instance Selection NMEA 2000 provides a unique transmission instance for each transmission on a vessel Single transmission vessels use transmission instance zero 0 while dual transmission vessels use transmission instance zero 0 for the port transmission and transmission instance one 1 for the starboard transmission By default the J2K100 uses transmission instance zero 0
37. the engine manufacturer and use a Maretron NMEA 2000 display DSM200 DSM250 to program the J2K100s with the corresponding J1939 address On the NMEA 2000 side most dual engine displays are looking for the NMEA 2000 instance to be set to O for the port engine and the NMEA 2000 instance set to 1 for the starboard engine 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 5 Two Engines Gensets Dual J1939 Network Installation Figure 9 shows a two engines gensets dual J1939 network installation diagram NMEA 2000 Network ew 3 Maretron J1939 to Maretron J1939 to NMEA 20009 NMEA 2000 Gateway J2K100 Gateway J2K100 User Supplied Cable Connector Compatible with Engine Genset eee cos Manufacture Cabling System as re Maretron Micro Female Field Attachable Connector Included with J2K100 FA CF ST Maretron Micro Female Field Attachable Connector Included with J2K100 FA CF ST Figure 9 Two Engines Gensets Dual J1939 Network Installation Diagram Page B10 Appendix B Application Note Revision 1 3 Maretron This configuration requires two additional drops or stubs from the J1939 trunk or backbone to the Maretron J2K100s You should follow the engine genset manufacturer s instructions for adding the drop which are generally specified to be
38. 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 Hevision 1 3 Appendix B Application Note Page B1 J2K100 User s Manual Table of Contents AC rit OOUIGMOND sure acto lac ce EE ERE TSS iatis B3 2 NMEA 2000 Network Basics cccccsesesessseseseseseseseseseseseseseseseseseseneseseststatststitininnetes B3 SM uis Nn old aiio c abide B4 3 1 SAE J1939 Recommended Cabling and Connectors B5 4 Determining J1939 Network Type cccccccccccecececceeeeeeeseeeeeeeeeeeeeeaaaaseeeeeeeseeeeeeaessseeeeees B5 4 1 Single Engine Genset No J1939 Network Installation B5 4 2 Single Engine Genset Single J1939 Network Installation B7 4 3 Two Engines Gensets No J1939 Network Installation ssssssse B8 4 4 Two Engines Gensets Single J1939 Network Installation B9 4 5 Two Engines Gensets Dual J1939 Networks Installation B10 Table of Figures Figure 1 Typical NM
39. w deutschipd com cans pdf 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 Single Engine Genset No Existing J1939 Network Single Engine Genset Single J1939 Network Figure 2 Two Engines Gensets No Existing J1939 Network Two Engines Gensets Single J1939 Network Figure 3 Two Engines Gensets Dual J1939 Networks Figure 4 aRWND 4 1 Single Engine Genset No Existing J1939 Network Installation Although an engine or genset may have a J1939 interface a particular installation may not have an existing J1939 network because no other device is connected In this case it will be necessary to build a J1939 network to interconnect the engine genset with the Maretron Revision 1 3 Appendix B Application Note Page B5 J2K100 User s Manual J2K100 gateway which can be done using NMEA 2000 cable and connectors Figure 5 shows how to build a J1939 network using Maretron NMEA 2000 cable and connectors NMEA 2000 Network Ch p E db LA I pH i i L j i T i 1 L udi ice Maretron Display rt Maretron J1939 to CF SPWROS en Doe TIONES Manufacturer Cabling System J1939 Engine or Genset NMEA 20000 Pek Sout cc e eric pU ION i Gateway J2K100 i l i Maretron Micro Maretron Micro Double Maretron Micro i 1 Female Terminator Ended Cordsets Male Terminator i TR CF
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