[C320-list] Sending NEMA 0183 Data from Garmin Charplotter to Raymarine Autopilot
Jerry Brown
jbrown01015 at outlook.com
Tue Jun 21 09:05:44 PDT 2016
Hi Angus
Yes I am. When I set up hull 1137 with a Garmin chart plotter and
Raymarine everything else about 7 or so years ago, I eventually bought
the box from Raymarine which was described something like a "interface
between Sea Talk and NMEA". I sold the boat last year so I no longer
have the paperwork. I do not see the box listed on the Raymarine site
now though I only had a cursory look. I endured endless frustration as
the paperwork and the Raymarine guys all said no converter was needed.
They were "in error" to put it politely. After putting it in the
interface box (I think it was about $60.00) everything worked, including
even the Garmin "auto steer" using the top end map chip which allowed
the chartplotter to map a course between two points avoiding all
obstacles. I tried it from one side of a headland to another on lake
Ontario and it did exactly what it said on the label, even though I was
stood at the helm all the time just in case. I also for example saw the
wind info on the chartplotter as it used the data to correct headings on
plotted courses etc. In practice I just sailed the boat but all the
gizmos were hand when motoring single handed and in fog when going
really slowly but close to obstacles trying to get home.
Hope you can sort it out.
Jerry
On 2016-06-21 10:00 AM, Angus Henderson wrote:
> Thanks Jerry. It looks as though you are pointing me in the direction of the NMEA 0183 Multiplexer?
>
> Angus
>
>> On Jun 21, 2016, at 6:35 AM, Jerry Brown <jbrown01015 at outlook.com> wrote:
>>
>> Have a look at this link
>>
>> http://www.defender.com/category.jsp?path=-1%7C344%7C2028705&id=2028871
>>
>> Jerry Brown.
>>
>> List Lurker - former 320 owner
>>
>>
>> On 2016-06-20 9:58 PM, Angus Henderson wrote:
>>> On June 14th Joe Tamucci submitted a post with the following title, part of which is reproduced below.
>>>
>>> I also recently purchased a Garmin chart plotter, a 54dv and have been thinking about how to get it talk to the Raymarine Authelm. Joe refers to his AH unit as an ST-5 control head. I have a 4000+ and was wondering whether this is the same thing?
>>>
>>> Also, referring to the excerpt below I am struggling to understand what the “Raymarine computer” is? I am familiar with the control head, the wheel unit and the flux gate compass but not the “computer”. I would appreciate some help understanding this.
>>>
>>>
>>> 3). Although the ST-5 control head has a NEMA input, it cannot be used
>>> to input position data. You must use the NEMA port on the Raymarine
>>> computer. I assumed the control head NEMA 0183 input port would work,
>>> and the Raymarine tech agreed with me. NO! You must go straight to
>>> the computer.
>>>
>>> Thanks
>>>
>>> Angus Henderson
>>> Hull# 999
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