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Old 23-01-2015, 05:47   #16
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Re: Connecting seatalk hs

Sorry to hijack thread but how about getting data from seatalk hs?
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Old 24-01-2015, 03:59   #17
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Re: Connecting seatalkng

Goboat Why do you say this? It is for Seatalk made by Ramarine. I will use something else probably, not sure yet what, but this should solve the conversion problem reliably. What don't I understand.

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Old 24-01-2015, 04:02   #18
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Re: Connecting seatalkng

Ok now my eyes see the SeatalkNG sorry, you are correct it will NOT work.

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Old 02-04-2020, 04:22   #19
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Re: Connecting seatalkng

There are devices by a company called 'yacht devices' that should also do the trick.

Firstly, there is a direct NMEA2000 to USB gateway:
https://www.yachtd.com/products/usb_gateway.html

And there also is a NMEA2000 to NMEA0183 gateway, that would need another serial adaptor for connecting it to a computer:
https://www.yachtd.com/products/nmea0183_gateway.html

Does anybody have experience with them?
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Old 02-04-2020, 19:05   #20
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Re: Connecting seatalkng

Quote:
Originally Posted by d-beam View Post
There are devices by a company called 'yacht devices' that should also do the trick.

Firstly, there is a direct NMEA2000 to USB gateway:
https://www.yachtd.com/products/usb_gateway.html

And there also is a NMEA2000 to NMEA0183 gateway, that would need another serial adaptor for connecting it to a computer:
https://www.yachtd.com/products/nmea0183_gateway.html

Does anybody have experience with them?
Ancient thread but Seatalkng and N2k are both the same thing (proprietary sentences in the STng stuff but generally not an issue) and direct conversion just a matter of the correct connectors.
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Old 03-04-2020, 03:11   #21
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Re: Connecting seatalkng

While researching a little more, I came across the idea to use a simple CAN-USB-converter. If I get this to work, that would be an amazingly cheap alternative, as the converter only costs like 20 €.

I ordered this one CAN-USB-converter here: https://www.ebay.de/itm/USB-to-CAN-B...4-b3318d036d2d

Has anybody done the same?

I'll let you know how it goes.
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Old 03-04-2020, 16:06   #22
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Connecting seatalkng

Quote:
Originally Posted by d-beam View Post
There are devices by a company called 'yacht devices' that should also do the trick.



Firstly, there is a direct NMEA2000 to USB gateway:

https://www.yachtd.com/products/usb_gateway.html



And there also is a NMEA2000 to NMEA0183 gateway, that would need another serial adaptor for connecting it to a computer:

https://www.yachtd.com/products/nmea0183_gateway.html



Does anybody have experience with them?


I use them. I have both the YDNU-02 & YDWG. The YDNU is a usb gateway with the raymarine connector, which plugs directly into OpenCPN.

Is use the YDWG to give the SeatalkNG network a little WiFi capability to connect all my wireless devices directly to it.

Works great!
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Old 03-04-2020, 23:24   #23
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Re: Connecting seatalkng

New Raymarine devices now use the standard N2K devicenet connector.
My Axiom and AIS700 have N2K devicenet connectors
New Ray63 VHF still has the old Raymarine connector....strange...but i guess the VHF is not a totaly new design
I changed my boat from Raymarine to N2K cabling.
Also use a YDNU-02 USB gateway to OpenCPN
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Old 04-04-2020, 03:33   #24
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Re: Connecting seatalkng

Quote:
Originally Posted by d-beam View Post
While researching a little more, I came across the idea to use a simple CAN-USB-converter. If I get this to work, that would be an amazingly cheap alternative, as the converter only costs like 20 €.

I ordered this one CAN-USB-converter here: https://www.ebay.de/itm/USB-to-CAN-B...4-b3318d036d2d

Has anybody done the same?

I'll let you know how it goes.
A wise old man once said "When you are in a hole, stop digging"

Unless you are technically savvy, the easiest solution is to use one of the commercial gateways that have been suggested.

NMEA 2000 (upon which SeatalkNG is based) and which itself is based on the CAN bus uses a binary data protocol which is quite different to the ASCII data protocol used by NMEA 183.

OpenCPN does not natively support NMEA 2000. To integrate OpenCPN with NMEA 2000 you will require a gateway that converts NMEA 2000 data to NMEA 183. Besides the commercial gateways, if you wish to roll your own you can either use OpenPlotter/SignalK Server or the OpenCPN TwoCan plugin (of which I am the author).

However either of these solutions may or may not work with your inexpensive CAN bus adapter.

If you run a version of Linux and your CAN bus adapter supports the SocketCAN interface, then both solutions should work. If you run Windows or Mac, then you're digging yourself deeper into the hole. For Windows, the TwoCan solution may work if you are capable of writing the simple "stub" driver that integrates your CAN bus adapter with the TwoCan plugin.

Good luck.
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Old 14-04-2020, 06:08   #25
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Re: Connecting seatalkng

Thank you for your reply Steve!

I am in the process of setting up Openplotter/SignalK on a Raspberry Pi.
I will report, once I get the CAN adapter and started playing.

Cheers,
Daniel
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Old 14-04-2020, 06:54   #26
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Re: Connecting seatalkng

Possible thread hijack, hopefully on subject.

I've acquired a Raymarine plotter C120.

Its of an age that it has Seatalk & SeatalkNG connections as well as some usefull looking ports - 15 pin VGA, 10 pin DSub serial connecter and a RJ45 ethernet connection.

I was hoping to connect via Seatalk NG to my existing N2K bus (B&G) and use the C120 as gateway for CPN on my laptop.

Is it doable?

Does the serial connection output NMEA183 data that can be connected to a Windows laptop (serial to USB converter and virtual port required)

Can I use the ethernet port either directly (crossover cable?) or via my B&G wireless hub?

or

Does the NMEA feed need to come from the Seatalk port?

Thanks for any feedback. Hopefully the C120 is not so obsolete that none remember how they are configured.
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Old 14-04-2020, 16:19   #27
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Re: Connecting seatalkng

Quote:
Originally Posted by Rucksta View Post
Possible thread hijack, hopefully on subject.



I've acquired a Raymarine plotter C120.



Its of an age that it has Seatalk & SeatalkNG connections as well as some usefull looking ports - 15 pin VGA, 10 pin DSub serial connecter and a RJ45 ethernet connection.



I was hoping to connect via Seatalk NG to my existing N2K bus (B&G) and use the C120 as gateway for CPN on my laptop.



Is it doable?



Does the serial connection output NMEA183 data that can be connected to a Windows laptop (serial to USB converter and virtual port required)



Can I use the ethernet port either directly (crossover cable?) or via my B&G wireless hub?



or



Does the NMEA feed need to come from the Seatalk port?



Thanks for any feedback. Hopefully the C120 is not so obsolete that none remember how they are configured.


Oye. I’m not sure that’s making the job easier. What I read is that you have a N2K bus and want to put the C120 into it to do the converting to 0183. You’ll still need something to get the 0183 into OCPN on your laptop or whatever. I’m not sure this isn’t over complicating a relatively simple thing. Since you need an adapter anyway, I’d avoid inserting an additional piece of gear inline. Just use the C120 as an additional display some where and keep it out of the chain of “things.”

That said, i suppose it can work, but you’ll still need some sort of serial adapter to get the 0183 into your OCPN device.
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Old 14-04-2020, 19:26   #28
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Re: Connecting seatalkng

Quote:
Originally Posted by SCarns View Post

That said, i suppose it can work, but you’ll still need some sort of serial adapter to get the 0183 into your OCPN device.
Thanks

Question is how do I get the NMEA183 data out of the C120 and into the laptop?
- Serial cable thru existing 10 pin DSub?
- NMEA 183 port with a serial converter?
- Ethernet? converter required?
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Old 14-04-2020, 20:05   #29
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Re: Connecting seatalkng

Quote:
Originally Posted by d-beam View Post
Thank you for your reply Steve!

I am in the process of setting up Openplotter/SignalK on a Raspberry Pi.
I will report, once I get the CAN adapter and started playing.

Cheers,
Daniel
In addition to testing OpenPlotter/Signal K, if your inexpensive CAN bus adapter supports the SocketCAN interface, you might also find that the TwoCan plugin is a suitable alternative.
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Old 14-04-2020, 20:41   #30
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Re: Connecting seatalkng

Quote:
Originally Posted by d-beam View Post
While researching a little more, I came across the idea to use a simple CAN-USB-converter. If I get this to work, that would be an amazingly cheap alternative, as the converter only costs like 20 €.

I ordered this one CAN-USB-converter here: https://www.ebay.de/itm/USB-to-CAN-B...4-b3318d036d2d

Has anybody done the same?

I'll let you know how it goes.
I don't know this but I use one of these:

PiCAN2 CAN-Bus Board for Raspberry Pi 2/3 [RSP-PICAN2] - £26.90 : SK Pang Electronics, Arduino, Sparkfun, GPS, GSM

Works very well.
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