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  • #16
    Thanks Bargy - glad you found the paper useful. It is the culmination of about 5 year's experience.

    Definitely, DO NOT add an EP 85 storage device to your network. As noted in my article, the Suzuki interface cable already has the storage device built into it. You would have noticed the black rectangular section part way along the cable - that's it! 2 data storage devices on one network = nothing but problems!

    Also glad to hear that the Simrad SW update resolved the fuel data inaccuracy. The way the system works is that the interface sends fuel flow data to the Simrad and the Simrad uses that to calculate fuel used. So a problem in the algorithm in the Simrad software will give you faulty data. So good that it's fixed now.

    I'm also in Australia, located in Cleveland Qld, on Moreton Bay. We have the best Suzuki guru in the country just down the road, Jon Eadie at Bayside Suzuki Marine.

    PS I do know of a "Bargy" up at Hervey Bay, who runs fishing charters...... Mark is his first name.

    Cheers

    Grant

    Comment


    • #17
      I just got a new boat with 2015 df 300 installed. The installer put in a small 4 T backbone for the motor. One of the drop cables goes to one of the new square 4 inch Suzuki gauges. When I return to Florida after labour day I plan on installing all my electronics and extending the backbone so engine data will show on my Garmin 7612. I read somewhere I need to use a yellow (no power) T between the Suzuki part of the backbone and the new electronics part of the backbone. Can someone give me more info. I know I have to run power to the new part of the backbone but is there power already going to the Suzuki backbone or does it get power from the engine?

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      • #18
        Originally posted by barrell View Post
        I just got a new boat with 2015 df 300 installed. The installer put in a small 4 T backbone for the motor. One of the drop cables goes to one of the new square 4 inch Suzuki gauges. When I return to Florida after labour day I plan on installing all my electronics and extending the backbone so engine data will show on my Garmin 7612. I read somewhere I need to use a yellow (no power) T between the Suzuki part of the backbone and the new electronics part of the backbone. Can someone give me more info. I know I have to run power to the new part of the backbone but is there power already going to the Suzuki backbone or does it get power from the engine?
        Whoever told you that didn't know what they were talking about.

        You have an existing NMEA network on your boat. So you don't have to add power to anything, it's already powered and can simply be extended.

        To add additional devices to the network is simple: just get another ordinary black T from garmin, Suzuki or Lowrance and insert it between two of the existing T pieces, and run a drop cable between it and the new device (eg your Garmin display). Done.

        Comment


        • #19
          2014 DF25A with LMF-400

          I have a 2014 3-cyl DF25ARS motor on a small Feathercraft aluminum boat. Last weekend I took my first shot at installing an NMEA2000 bus to get RPM and Fuel/MPG from the engine.

          I have bought the following from various sources:

          Suzuki-branded LMF-400, came with Suzuki Engine Interface Cable (EIC)
          Lowrance EP-70 paddlewheel speed sensor (SS)
          Garmin fused power cable
          Misc Tees and Terminators - you know the drill...

          I'm pretty sure I have the backbone setup properly. Last week I plugged everything up with a 12V battery on the dining room table with the following results:

          LMF400 boots and shows SS as only device on the bus, does not see the EIC. LMF400 speed responds when I spin the paddlewheel.

          I figure this could be normal, perhaps the EIC doesn't boot without a motor attached.

          Yesterday I took this bundle of kit to my boat and plugged it up. Powered the bus and turned on the engine ignition. Initially I was disappointed to see that the LMF400 still doesn't see the EIC. I finally registered on this forum so I could download Moonlighter's doc. What a hero! I read there that Suzuki engines are normally delivered configured for analog gauge output. I opened the engine cowling and found the 4-pin "troubleshooting cable" described in the doc and decided that the only thing I could find to plug it into is the cable going to the 3 idiot lights on the front of my engine. I must admit that this doesn't feel right to me; it seems I am unplugging an OUTPUT (the idiot lights) and replacing them with an INPUT (the NMEA2000 data?) BTW, my new engine came with an external harness that includes the 4-pin square locking connector to plug into the EIC.

          With some apprehension, I powered everything back up and turned on the ignition. Voila! The EIC now shows up as a bus device on the LMF400. And previously, the engine data fields on the LMF400 were displaying as blinking dashes, but now a couple seconds after turning on the engine I see they switch to solid zeros, which makes sense. I've arrived, right?

          I proceed to play around with engine configuration in the LMF400. The menus walk me through selecting an engine. Having said that, I think Moonlighter knows what's coming next: My DF25 does not appear in the 2014 or 2015 engine list. List only goes from 40-300. I choose DF40, figuring I should get at least good RPM data and maybe bogus fuel usage?

          Nothing. I went out for a spin and don't get anything but zeros for engine data. The LMF400 shows reasonable water speed from the paddlewheel, though it seems to be high by about 15-20% and the LMF doesn't let me calibrate. (I get good MPH values if select units = Nautical Miles, so I can live with that and ignore the wrong units displayed.)

          So now I'm hoping/assuming that I'm a s/w upgrade away from writing off my $350 goose chase. But what I've read leaves me a little scared to upgrade willy-nilly. The LMF-400 shows the following System Info: Ver 2.0.0, Boot 1-1.70, Build RZ396. I can't find any version info for the EIC.

          Question: What should I upgrade? Where does the engine list come from? I believe I read in Moonlighter's doc that new versions of s/w should automatically identify the engine type. Can I get away with upgrading only the LMF-400, or should I also upgrade the EIC. Upgrading the LMF-400 should be easier, because I can take it to a store or friend, etc. with a suitable Head Unit. But to upgrade the EIC, I must bring the Head Unit to my boat/motor, right? Seems that I can't upgrade the EIC without it being attached to a motor, is that correct? Or worst case: does my DF25 not really support NMEA2000?

          Thanks for any advice, and thanks to Moonlighter for being generous enough to put 5 years of experience into a document to share on the internet!

          Jeff

          Comment


          • #20
            Hi Jeff

            I think you've done everything right, I am currently investigating whether the new smaller HP engines have a special connection that is required to get engine data to the interface.

            If you can hold fire for a day or two I hope to have an answer for you.

            Cheers
            Grant

            Comment


            • #21
              Thanks Grant. I'd like to have everything working a month from now, so a few days won't hurt. I took some photos of my engine's internal & external cabling, which I would be happy to send you either for your documentation, or just to help understand what my setup looks like. I'm wondering if all I did by plugging the two cables together inside my motor, was to provide power to the EIC. But I would expect it can get the power it needs from the NMEA Bus.

              I have two motives for getting this working:

              (1) I want to know if I'm running the right prop on my boat, hence need RPMs

              (2) My boat was built in 1955, and most people who own them go for "period" motors, e.g. 1956 Evinrude or Merc. While I have some admiration for that approach, I really love the way this Zook drives my little boat, and I like the peace and quiet! I'm going to meet some of these people for the first time in a month, and I'd like to show some little benefits to new motors vs old, rather than just being too lazy to keep an old motor running. If they see that I tried and failed, I think they'll really be rubbing it in. I'll have to just leave everything at home!

              Thanks for your help,
              Jeff

              Comment


              • #22
                No problems, Jeff.

                We now know that the Suzuki engine interface cable gets its power from the engine connection, not from the NMEA bus as we originally thought. I can tell you a long story about how a I discovered that, but suffice to say, that is the fact of the situation.

                And as you've discovered from your bench test, the network will only "see" the Suzuki device when the interface is powered.

                I am waiting for some advice from my Suzuki guru. At the moment, I suspect that on these smaller motors, the only way to get engine data onto the network is via a direct connection to the SDS port on the engine, using an adapter cable. And that plugging the main harness into the SDS port, as works on larger engines and has you have now done, may not work on the smaller A series engines.

                So I'm waiting on advice as to whether that is correct or not. If it is correct, then it should simply be a case of getting the adapter cable and connecting it up.

                Will post again as soon as I have a definite answer. Shouldn't be too long.

                Cheers

                Grant

                Comment


                • #23
                  Ok, well I've spoken to the guru and yes, in the smaller A series motors the only way to connect the engine to the network is by connecting the network to the SDS port using the adapter cable.

                  So put the connection to the main harness under the cowl back how it originally was, and sorry, but you'll have to get the adapter cable. Here in Aus, they make it 7m long so you can run it from the SDS port, thru the rigging tube and to the dash, where you can then connect the interface cable to it.

                  Don't worry about the engine HP selection in the config page - eg regardless of what it defaults to, you should still get correct fuel flow data, according to my Suzuki sources.

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                  • #24
                    Thanks Grant. I guess I'll pursue that. So I'm curious - what is the purpose of Suzuki providing the same 4-pin "Engine Interface" connector on the external wiring harness that came with my motor? Is there some other use for it? What is coming out of it? Does it just allow Suzuki to use some common wiring harness for different motors, and have no function on my motor? That's pretty frustrating...

                    Thanks,
                    Jeff

                    Comment


                    • #25
                      Hi again Jeff

                      The original intent that Suzuki had when this all started was for the interface to be used in conjunction with the Suzuki SMIS digital gauges. These gauges have software included that displays the engine fault codes and warnings. So, when used in conjunction with those gauges, the connection could be done via the SDS port being connected to the main control harness. And the interface cable has the correct plug on the end to connect to the engine harness behind the dash.

                      What was subsequently realised by some clever blokes in Australia (before I got involved in this stuff) was that those of us who had analogue gauges could tap into the ECU and get the engine data onto their networks, and from there into their MFD screen, while leaving the analogue gauges working as normal.

                      This was important because the analogue tachometer has the 3 warning lights on it and could thus display fault codes and warnings, which wouldn't display on other non-Suzuki displays. Suzuki warranty is compromised if you don't have the warning lights displayed one way or another.

                      In fact, here in Aus, Suzuki had a loose partnership with Garmin and didn't use the SMIS gauges at all, they used the Garmin GMI-10 or 20 displays instead. And to overcome the issue of warning lights, they supplied a small panel that just has the 3 warning lights on it. They connected the interface to the SDS port and the warning panel to the harness.

                      In the early days, we all made up our own adapter cables because as we all know, the interface cable plug is the same *** as the SDS plug so they won't connect together. Hence you need the adapter cable.

                      I don't know what went wrong with this logic re the small A series engines. Perhaps they didn't plan on them being made NMEA2000 capable, or perhaps it's something to do with them mainly being tiller steer.

                      Hope that gives you a sense of what we've got and how we've got there.

                      Grant

                      Comment


                      • #26
                        Hi guy's.
                        Nice to see another with the same quest, at the same time, with the same reasoning, same way of working, same conclusions, same support from Grant and my engine supplier Niksnut, other (THT) forum

                        Feels less alone.
                        My cable will arrive sept 2nd.
                        Engine is a DF30ATS.
                        Trimsensor is also an option, so have to get that also.
                        Attached Files
                        Last edited by keizerh; 08-26-2015, 04:17 PM.

                        Comment


                        • #27
                          I ordered a cable today, hope to have it in a few days. I spent some time yesterday staring at the engine interface cable (EIC),trying to find some info on how the trim communication would work. So do you have to add a sender to the power trim unit to get it to communicate with a gauge? That's not included in the power trim? I notice on the EIC that the trim connector is tied in to 2 pins of the 4-pin N2K connector. Does that mean those two pins in the trim connector are for the high and low data lines in the N2K bus?

                          I'm just trusting that this new cable is going to be the end of the story! Looking through the internet, it sure looks like Grant knows what he's doing.

                          I miss having trim on my boat. But it's a 13-ft aluminum boat that weighs all of about 350 lbs without the motor, and I chose against the extra 20 pounds (and extra $$) for the trim. All the folks who put old motors on my type of boat are always talking about how light old motors were (100 lbs) versus a modern 4-stroke equivalent (140 lbs for the Zuke, which I believe is the lightest in the 25/30 class).

                          I love the motor, but it's going to take me a long time to learn to ignore that 15 ft of unused cable laying in the floor of my boat, knowing that I had to pay good money for the other (equivalent) cable laying next to it. I've got nowhere to hide all the cable.

                          Cheers,
                          Jeff

                          Comment


                          • #28
                            Yes, yes and yes.
                            Hope this is the beginning of the measurement story.
                            If the engine wasnt this light, i had to choose fore a 20HP
                            I can put the cable in the console, which is almost full with all the nmea, remote control, steering and interfacing stuff.

                            Will you keep us posted?

                            I am very curious why this cable is so expensive.
                            The connectors are just $2,95 at Eastern Beaver

                            Comment


                            • #29
                              Put a fork in me...

                              Grant can put another feather in his cap...

                              I got my SDS-SMIS adapter cable in the mail today. A bit disappointed because it is shorter than I expected @ 6 ft, but that's minor. Connected it to the unused SDS cable under the cowling, and to the Engine Interface Cable (EIC). Plugged the EIC into my little forest of Tees.

                              Now a detour - I took my boat out this weekend, and it happens that on my 2-hr cruise the oil LED on my engine started blinking. I agree with other comments on this forum that that's not a very effective message protocol. There I am in the middle of the river with no cell coverage, and this light starts blinking. No warning sounds, and the engine was running fine, so I guessed that it was probably telling me it was time for routine maintenance, and I ignored it. I told my wife "If that gauge was working, it would tell me what that blinking light means." Got home and dug through the manual to verify that it's time for 20-hr maintenance.

                              So tonight I plug everything up with the new cable and turn the key. The LMF400 boots up and displays a message panel on top of the gauge displays, saying "Change Oil". Also seeing Engine Voltage and reasonable RPM displayed. And I get water speed when I spin the paddlewheel. I guess it will take a couple weeks to see if fuel use numbers are reasonable.

                              Looks like I've arrived, just as predicted. Lesson verified: DF25A requires SDS-SMIS adapter cable plugged under engine cowling to use NMEA2000. I paid US$50 for this cable. Depending on what your time is worth to you, would seem reasonable to me to buy the connectors and build your own such cable. as described elsewhere in this NMEA2000 thread. I threaded the new cable through the rubber bushing that holds the other two cables of the engine harness. I guess I'll zip-tie it to the main harness. I have photos of everything, if it's of any value here.

                              Grant, thanks for your generous advice.

                              Regards,
                              Jeff

                              Comment


                              • #30
                                Jeff,
                                Great.
                                Would like some pics.
                                Can you tell where you got the cable? where I found them they are 180 USD.
                                Is it just a cable? Then we can build it ourselve in future.
                                Mine will be in tomorrow I hope.
                                Last edited by keizerh; 09-01-2015, 12:28 AM.

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