Raymarine compatible transducers? - SailNet Community
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post #1 of 7 Old 06-06-2013 Thread Starter
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Raymarine compatible transducers?

I am looking at a Raymarine e series MFD and curious what depth/temp and speed transducers to look at? The deadrise on the PSC34 is pretty steep so I am also curious about placement. I believe the Raymarine transducers are all Airmar, but their is various confusion on products and details for them depending on where you look. Does anyone have guidance on transducer models ideal for a PSC34? Thanks.
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post #2 of 7 Old 06-06-2013
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Re: Raymarine compatible transducers?

From what we've found, temp sensors are usually in the speed sensor.. FWIW we have just bought a new but discontinued RM ST40 depth meter that is working fine on an '80s vintage Signet transducer. All we had to do was figure out the wiring connections.

Another option today is the Airmar DST800 transducer.. it's a powered transducer that measures speed, temp AND depth in a single package.. and transmits that data on NMEA 0183 or 2000 depending on model. Kind of a neat idea, but would require pulling a power feed to the transducer and the comm cable back.

Most transducers today can handle a certain amount of deadrise.. and there's always the 'in hull' method of installation too...

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post #3 of 7 Old 06-07-2013
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Re: Raymarine compatible transducers?

I plugged a Airmar P79 to my E7D - straight up no fiddling around - fish look good to me
Depth, no speed, no temp, but got fish. Best 119 bucks I've spent on boat stuff.
Temp is best calculated with toes, and speed - got a chartplotter for that.

The P79 has two sets of part numbers for RM - for the E series chartplotters you need the A80170 to match pins, the other cable (forget the part no.) requires a adapter cable.

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post #4 of 7 Old 06-07-2013
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Re: Raymarine compatible transducers?

I have an E7 with an Airmar DST that is NMEA 2000, not Seatalk NG. It requires a NMEA backbone and a Seatalk NG to NMEA cable.
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post #5 of 7 Old 06-07-2013
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Re: Raymarine compatible transducers?

The Airmar web site has wiring and diagrams that show which wires are used by which companies. I believe that the new e Raymarine units can be connected to NMEA 2000 units. They can only accept one NMEA 1083 unit, and that one requires a bridge.

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post #6 of 7 Old 06-07-2013
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Re: Raymarine compatible transducers?

I'm using an old Autohelm Tri-Data depth transducer just fine on my e7d. I did have to figure out the wiring, and the hardest part there is getting a good cable. You can buy the connector for the e7d fairly easily, but it is nicer to find a dead transducer to cut the cable off of. I've also tested a Garmin-branded airmar 2-wire transducer and it works too.

To use alternative transducers on the e7d you need to short circuit the two sense pins. I have a copy of the pinout here:
http://sdrv.ms/126rVl6

Sense (green) needs to be shorted to ground (brown). Black and blue are used for depth. Just hooking up those 4 wires to any 200khz transducer will get you functional depth.

I don't have the speed transducer wiring. There are subtle differences between my speed transducer (also from the Tri-Data) and the RAYA wiring that make it impossible to just do this trivial rewiring.

I don't care about temp, so I've never tried to make it work.

I got my cable by purchasing a transom-mount RAYA transducer at a used marine store (Second Wave in Seattle) and cutting off of the transducer end. That got me a nicely molded cable for about $15.
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post #7 of 7 Old 06-07-2013
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Re: Raymarine compatible transducers?

Airmar gives good phone support...
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