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As far as I know Navman use there own proprietry interface and have teamed up with Mercury. Not sure if they intend to go down the NMEA 2000 path in the future. Not sure with flowscan either, though I imagine that you will see many more manufacturers using NMEA 2000 in the future. Hopefully someone will correct me if I am wrong.
I got my NMEA 2000 network working today. I run a combined LowranceNet (blue connector) and red NMEA 2000 network, and all is ok. The Suzuki 140 Engine Interface cable install was easy, and connects to a Red Double T-connector with a blue/red interface cable. The SMIS 4" Multi-function Gauge also uses a blue connector, and connects to the other red double T-connector port using an interface cable. The combined SMIS engine interface/4" display was designed to originally stand-alone.
My LMS 525 C DF connects to a GPS 3000 module via a red NMEA 2000 network using 1 x double T-connector. To interface the LowranceNet (blue) to the NMEA 2000 network (red) was simply a matter of connecting the two double T-connectors. See the photo.
So, I needed 2 x double T-connectors to get four ports, and two blue/red interface cables to interface the legacy LowranceNet devices. I run a separate fused power and switched line for the NMEA2000 bus as recommeded in the documentation.
Other than taking a while to assemble the cables and connectors, with the engine interface coming from the US, I had no technical troubles. The custom gauges works fine on the LMS 525 reading from the blue network devices. The 4" Display reads the same data from the 525 and GPS3000. It all works as advertised and no tricks.
I can now display fuel usage, trip usage, and many other items as advertised. I'm really pleased with the running data I now have, and it was easy.
Wusty - good stuff mate it is a sweet system. I got my DF150 set up through the Lowrance 7200 and having that info on hand has changed how I drive boats. I used to think you could pick the sweet RPM by ear and feel but fuel flow and nM/litre shows that is not always the case.
wusty does the smis interface give the rpms in digital numbers so twin motors can be synced preciesly could i also get us dealers info boat is a 32 foot cougar cat with twin df250 regards jack
wusty could u tell me if smis gauges read in digital numbers so twin motors can be synced precisely. could u also give me name and addresses of US contacts. my boat is a 32 foot cougar cat with twin df250 suzukis, regards...Jack
Just to clarifly, I now have a Lowrance 7200 GPS with the NEMA 2000 bus already set up so my external GPS works off it. To add the EP20 interface I will only need a T conector to add onto my network bus and the EP20 unit itself to connect to the bus?
The Interface displays the data digitally. So, you can see exactly the revs of each motor (and incidentally the fuel consumption exactly, etc). You can get the syncronisation you are seeking.
The cable is now available in Australia thru any Suzie dealer, and the price is ok. I'd buy locally if I had the chance anyway, but when I bought, the cable simply wasn't available here. For info though, the US dealer was Browns Point Marine.
Each motor needs it's own cable, and beware that there is likely to be a bus ID conflict with two motors. One motor will need to have it's bus address changed. It's easy to do, and is one of the menu items if you look thru the menus. This has to be checked, as if both motors try to use the same bus address, then neither works.
Each cable needs to be connected to the NMEA bus obviously. I'd buy a double connector as it's cheaper and simpler than two connectors. Also, check that the cable/connector combination you are using is RED or BLUE. RED is the newer version, but BLUE can still be used if you also buy the interface cable/connectors needed to connect a RED network to a BLUE network. Finally, check that you have the correct ohm terminating resistors for the network. If that is already ok, then you don't need any extra resistors, just insert the new double connector in the bus path.
Some of my comments in my last post to jjlm apply to your question as well. In your case, check the RED/BLUE issue, and the terminating resistor issue carefully. Assuming that you have the same colour connectors, and that the buss is already correctly terminated, then you simply insert the new connector into a convenient spot between the two ends, or move one of the terminating resistors to the end plug on your new connector to create the correct buss structure.
Incidently, I spray INOX (or any spray oil that doesn't evaporate) into the connectors, and then carefully tape around them with self-annealing tape, then tuck the connectors well away from water or spray. Electronics hates corrosion and a little care now may save heaps of hassles in the future.
See the connector on the end of the engine interface as per the diagram below:
The large round connector is the engine interface connector. The smaller connector is for the engine tilt if you want to use it.
I do not know the 115. I also do not know the model of your 115.
Assuming your motor is relatively new and has the connector, it is a large round plug about 3cm across with a black plastic cap over it. It is not marked.
Standing at the back of the motor and looking towards the transom mounts, on the 140 the connector is on the left hand side towards the front - about 30cm above the engine tilt switch.
Wusty thanks,
my motors are of 2005
For case have of the photos of the connector on the motor?
I would want to connect the motors to a lcx 112C you have other councils for me?
Thanks from Italy
Peppe
See the other of my posts with the NMEA 2000 buss connections for a BLUE network. Try and keep your network either BLUE or RED, or you'll need expensive interface cables. RED and BLUE are the same electrically, and the form of the networks are exactly the same, but the connectors are not inter-connectable without an interface.
I previously posted a photo of the SMIS cable connected to the motor. See that earlier post with the photos. The photo also shows the black plastic cover that sits over the male connector on a short cable loom. It's a big connector at 2 cm or so.
I suggest you set up each motor with its own separate cable and prove each is working separately to the LCX 112. Then when you have proven the network is working to each motor by itself, then connect both motors at the same time. If you have problems at this stage, then you have a network address problem as I also referred to in an earlier post. Each device on the NMEA 2000 network needs its own unique code address - just like computers on a network at home. To change a network address, you use the LCX 112 NMEA 2000 setup pages to make the change.
The basic principles are that the NMEA 2000 network (RED or BLUE) needs to be laid out correctly with the connectors in a line, and terminating resistors at each end. Then each device needs to be connected to its own "T" connector. Normally that is enough, but with multiple network devices of the same type, here two motors, you may need to set one to another address to create a unique network address for each motor (or any other duplicated device).
The LCX 112 has all the NMEA 2000 setup pages to make the changes and settings needed to configure the motors onto the network.
hi wusty
for the highly professional information.
You to be a technician?
I will make to know the result you hardly the weather one will give the possibility to me to try the boat to sea
thanks
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