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jharvey1984 06-30-2020 01:20 PM

Fox marine compatibility with AlbiComba (or other analog gateway)
Hi guys and gals. Several years ago I purchased two Fox Marine gateways to get my MEFI engine data onto the NMEA2000 network. Unfortunately, based on the limitations of the engine CPU, these gateways do not transmit oil pressure. I have been looking into purchasing an AlbaCombi (or other similar analog to NMEA 2000 gateway) to hopefully transmit my oil pressure data from the oil pressure sender along with some other stuff like fuel and fresh water tank levels and maybe some generator data with the goal of eliminating all of my old analog gauges.

I'm not versed enough in the NMEA 2000 protocol to know if this will work or not. I know my Fox gateways had to be "instanced" to describe which engine the data is coming from (instance 0 for port and 1 for starboard engine) and from what I can tell all engine data is transmitted over one PGN to the network. Is it possible to transmit both engines oil pressure data to the network through a separate analog to NMEA 2000 device? Will I have to instance this data as 2 and 3? I may be boogering up the terminology here but hopefully this makes sense what I am asking. I just don't know how many "sets" of data over the same PGN is possible...

Hopefully this makes sense to someone and they can get me pointed in the right direction. Thanks in advance for the help.

strobeyprobey 06-30-2020 07:34 PM

I am doing that exact same thing you describe, I am using a Nolan’s RS11 unit to accomplish (well I just upgraded to two units to add more sensors, the AlbaCombi should work great, too). My two Fox marine units send tach, fuel flow, water temp, voltage, but not oil pressure (on my MEFI3 units however the fox marine unit should throw a warning code on the nmea bus if the oil pressure drops out as there is an input to the computer for the low oil pressure switch). I ripped out all my analog gauges and replaced them with garmin screens.

I use the Noland units for oil pressure, fuel tank level, and transmission oil temp (trans pressure and temp are exclusively on the NoLand unit, not on any other brands). For the inputs you can choose port or starboard. However, your assumption about the additional engines is correct, the garmin units basically see four engines now, two for each side, but it doesn’t matter as you choose which data you want to display. Everything is working great. Let me know if you have any other specific question I maybe able to answer.

jharvey1984 06-30-2020 08:22 PM

Thanks a ton strobey! That is exactly what I am looking for. I have Garmin MFDs too so am familiar with how to replace/select the data for each gauge. Just glad it is possible. I was afraid that maybe the hardware would "talk over each other" and cause problems. Thanks again and ill let you know if I run into issues on the install.

strobeyprobey 06-30-2020 08:27 PM

There is one issue I have is with engine hours, both the fox and the noland units send engine hours (noland said a fix to turn off was coming a year ago), So what happens is the garmin display will jump back and forth between the noland (zero hours) and the fox (actual hours). But I doubt you would have that issue with the albacombi unit. I also use lowarance lmf400 units for display of data and they work great, too. Good luck!

strobeyprobey 06-30-2020 08:40 PM

two lmf400, two gmi20 and three garmin MFD.

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