'35 SC and nmea2000...

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'35 SC and nmea2000...

Postby PowerOfTwo » Sun Jan 06, 2013 6:28 pm

So this is bugging me - brand new '35 SC with a garmin 5000 series (NMEA2000 compatible), and a Fusion marine radio which (please correct me if I am wrong) communicates with its slave units over NMEA2000, but I can't seem to get any NMEA read outs on the chart plotter, or any data on the Fusion remotes.

Am I flogging a dead horse here? I thought finding garmin NMEA hardware plugged into the radio that I was onto a winner....
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Re: '35 SC and nmea2000...

Postby Chris_in_Texas » Mon Jan 07, 2013 7:52 pm

Only the 700 series head units and the NRX200 remote can use N2K bus. However it would have had to be connected on the bus to do this. My guess if its a factory install they didn't do this. They used the "standard fusion install" method which didn't create and use the N2K bus. The "out of the box" standard is to emulate the 600 series radios and use the same cabling that is used with the WR600 round remotes. This non-N2K cabling is included in the 700/NRX combo.

You would need to create an N2K backbone and then install the NRX200 and Garmin into this network for it to work correctly.
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Re: '35 SC and nmea2000...

Postby PowerOfTwo » Tue Jan 08, 2013 9:26 am

Chris - that's what I expected, until I found a bunch of Garmin NMEA2000 connectors at the back of the fusion head unit. I'll research some more over the weekend....
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Re: '35 SC and nmea2000...

Postby Chris_in_Texas » Tue Jan 08, 2013 10:03 pm

If you can post a picture it will be very quick to tell what they did. The "Fusion method" has push together connectors like a mini-din plug like a S-VIDEO connector. The N2K plug is threaded with locking nuts.

If you do connect them via N2K you can control the stereo from the chartplotter as well, as Garmin has released new software that will offer the control ability. Here is the info from Garmin:

http://garmin.blogs.com/my_weblog/2012/ ... recap.html

Looks like 4000 and above can control it.
Thanks, Chris
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Re: '35 SC and nmea2000...

Postby PowerOfTwo » Wed Jan 23, 2013 2:59 pm

latest update is I found two completely independent NMEA2000 bus's behind the chartplotter - one plugged into the Fusion radio, the other seems to go between the chartplotter and the GPS antenna.

wth?

Next step is to find some ends and merge them together, see what happens.
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Re: '35 SC and nmea2000...

Postby xixp » Wed Jan 23, 2013 4:37 pm

Another nice upgrade is to include the N2k Volvo interface , my 3760 has it installed and it is very nice to get all your engine readings in the Garmin 5000. I find quite useful to get fuel economy (miles per gallon) to adjust te trim tabs and drives to get the best out of the engines.
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Re: '35 SC and nmea2000...

Postby Chris_in_Texas » Wed Jan 23, 2013 8:36 pm

Keep in mind, the Fusion then is all setup and wired for the Fusion interconnect method. You will need to get new cabling between the radio and remote, using N2K backbone, the existing wiring isn't compatible with it. Fusion sells the correct interconnect cabling kits to get between the N2K backbone and the devices. Specifically you will need to have the new drop cables, T's and terminators. The power backbone should have been competed with the GPS antenna. You will also need additional backbone cable between the remote and head unit. The starter kit is a good option. The worst part will be getting that new cable between the remote and head unit, as all that is done before they put the boat together. Boat manufactures don't seem to realize that people actually modify and add things after the sale, and because they don't leave any way to get new cabling between point A and point B its a major chore to do it.

The reason for the N2K network to the GPS is because, the GPS receiver module is N2K based and not the older NMEA0183 method. The GPS antenna is actually a fully self contained receiver that outputs N2K PGNs to the chart plotter. There are also proprietary PGNs as well that can be used for setup etc.

Like XIXP mentioned you can also interface the engines into the N2K network as well with the gateway module, and allow full engine monitoring on the plotter too. The generator can also be interfaced as well, and the plotter should be able to be setup for "three engines". I haven't worked with the larger Garmin plotters, so I am not 100% sure on that.
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Re: '35 SC and nmea2000...

Postby PowerOfTwo » Thu Jan 24, 2013 8:51 am

I hesitate to agree chris - the fact that all the Fusion remotes have Garmin branded NMEA2000 T's and wire hardware plugged into the back of them is a "subtle" hint that they are not using the Fusion wiring.

Or, are you suggesting the Fusion system is just plug (but not data) compatible with Garmin NMEA2000 wires? ;)
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2007 Century 2301, Yamaha F250
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1989 Northern Diver 18' RIB, Johnson 50hp
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Re: '35 SC and nmea2000...

Postby PowerOfTwo » Thu Jan 24, 2013 8:54 am

xixp wrote:Another nice upgrade is to include the N2k Volvo interface , my 3760 has it installed and it is very nice to get all your engine readings in the Garmin 5000. I find quite useful to get fuel economy (miles per gallon) to adjust te trim tabs and drives to get the best out of the engines.


Absa-bloody-lutely. It's top on my list, just after working out why the Volvo trip computers won't give me any range information.

My gut feeling is it's because of the missing Volvo multisensor / NMEA2000 interface - how could the Volvo EVC system calculate distance-to-empty if it has no speed input? I am hoping that there is a NMEA2000>EVC interface somewhere, and that it's just borked.
2013 Regal 35 Sport Coupe, Volvo D3-220
2007 Century 2301, Yamaha F250
1996 Sea Ray 21, Mercruiser 454 Magnum
1989 Northern Diver 18' RIB, Johnson 50hp
Naples, FL.
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Re: '35 SC and nmea2000...

Postby xixp » Thu Jan 24, 2013 4:38 pm

The Volvo N2k interface provides all the EVC info to the Garmin (mine shows fuel flow,fuel level in each tank, sterdrives trim level, engine temperature,rpm,etc)
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