RM C80 - LowranceNET Integration

Old 04-24-2007, 10:55 PM
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Join Date: Jan 2007
Location: Sturgeon Bay, WI
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Default RM C80 - LowranceNET Integration

Time to see if I can get some help!

Over the winter I installed a NMEA 2000 network including two Lowrance LM200's, two EP10's, two EP15's and Bennett trim tab senders. The final piece was making a SeaTalk2-to-DeviceNet cable to connect the RM C80 to the net. I intended to get my GPS input for the network from the C80 allowing the display of fuel economy on the LM200's.
Also, with the new (v4.25) firmware for the C80 I can display trim tab info.

My problem is that I don't appear to be getting any GPS signal from the C80 to the network. The LM200's flash "0.00" on the fuel economy page. I do have the "Econ Sp" source set to GPS.

What else - the Lowrance stuff all seems to work well - fuel flow, tank levels, trim tabs all display properly. The C80 displays fuel flow and tank levels erratically. The trim tab display on the C80 is responsive, but with a delay of several seconds. In short, the refresh rate of the C80 seems very low where NMEA2K data is concerned.

I've been through the manuals for all products looking for some config I may have missed. I've open the dash up again and checked wiring and connections. Both RM and Lowrance seem to be hoping its the other guys stuff at fault. Any ideas what to check next?
920richardf is offline  
Old 04-25-2007, 06:07 AM
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Join Date: Feb 2001
Location: Bar Harbor, Maine
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Default Re: RM C80 - LowranceNET Integration

You will not be able to get GPS info on the Lowrance because the Raymarine antenna is not a NMEA 2000 device. A Lowrance LGC2000 GPS antenna will plug right into your N2K backbone and give you the info you need.
lakensea is offline  

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