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Electronic Equipment > Boat Electronics > Re: Interface i...
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Re: Interface issues

by Darkies Bum <info@[EMAIL PROTECTED] > Jun 15, 2008 at 06:42 PM

On 2008-06-15 11:03:38 +0100, Luc.Habert.00__arjf@[EMAIL PROTECTED]
 (Luc 
Habert) said:

> Mas Dubh  :
> 
>> Chart Nav Pro shows DST info (well, everything it can as it is still on
>> land - hence no depth as yet). Wind info >doesn't< show up although CNP
>> shows data from AIS (separate usb ****t), GPS info and DST info. Logging
>> the ****t shows wind info being received however. Any ideas?
> 
> Which wind sentences do you get? I have a similar problem with an old
> anemometer whose wind sentences are not understood by the TackTick
> repeaters. I use MaxSea on the computer to translate to newer nmea
> sentences, and resend them to the TackTicks. If CNP cannot do that, it
> should be fairly easy to program the translation.

Unfortunately the craft is some 70 miles away and I wont be over for a 
week due to work (pah!) but I get your drift. I will check the 
sentences next time. What is interesting is that CPN clocks it's an 
"anenometer" that is fitted. Its data console however doesn't produce 
the wind dir and speed (there are constraints in CPN on some consoles 
if no SOG/COG is avail to calc apparent wind etc. which is 
understandable) for say "Ground Wind". I'll look at the translation if 
required althought this may be beyond my expertise just now.

> 
>> Fitted Navman repeater - can I take the output from either the NDC4 to
>> show all the info? (present limited attempt shows NMEA - "no" re****t on
>> Navman screen.
> 
> Well, I have experience with the NDC4, but I don't know your navman
> repeater. What kind of input does it require? RS232 or nmea? Which
speed?
> How did you connect it to the NDC4? I think the "ISO OUT 0" works at
38400
> baud by default (it is meant to be coupled with "OPTO IN 0" to connect
an
> RS232 socket, to connect to a PC instead of the USB cable), so if your
> repeater is a standard nmea device at 4800 baud, you should plug it on
"ISO
> OUT 1" (and check its speed with the )

Gosh - a host of stuff to check! Navman 3100 repeater can use navbus or 
nmea inputs - I plumped for nmea in this case as I dont have a navbus. 
Not sure about baudrate so, yes, there is a possibility that Navman is 
missing the data if its firing in at 38.4k. I will check the NDC4 
outlet too. I will also check that the 3 wires for nmea inputs are 
similar - I only used the first one I came to.

Can one wire more than one pair of listeners to the "ISO OUT 1"?
> 
> BTW, I couldn't get the NDC4's filters to work, until I tried to connect
it
> to the PC with a serial cable instead of USB. This was pretty baffling.
Do
> you have the same issue?

YES! Is it not bizarre. I did get something on one nmea ****t once but 
never manged to replicate. CNP seems to get some of what it needs 
without it but it would help with all this buggering about to be able 
to check what the NDC4 is hearing and speaking.
Plenty of food for thought and further research - many thanks.
 




 6 Posts in Topic:
Interface issues
Mas Dubh <info@[EMAIL   2008-06-15 08:00:34 
Re: Interface issues
Luc.Habert.00__arjf@[EMAI  2008-06-15 10:03:38 
Re: Interface issues
Darkies Bum <info@[EMA  2008-06-15 18:42:44 
Re: Interface issues
Luc.Habert.00__arjf@[EMAI  2008-06-15 18:49:36 
Re: Interface issues
Mas Dubh <info@[EMAIL   2008-06-15 21:12:22 
Re: Interface issues
Luc.Habert.00__arjf@[EMAI  2008-06-18 22:23:48 

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tan12V112 Sat Nov 22 2:49:09 CST 2008.