NMEA splitter (numpty question)

[All_at_Sea]

With one GPS receiver and two items onboard requiring the feed can l get a splitter/box for this? Or is it as simple as a load of wires all joined together in a cats cradle behind the chart area? Is there such a thing as a NMEA distribution box?

You are all probably using these things but l have never seen one.

 

[sailorman]

With one GPS receiver and two items onboard requiring the feed can l get a splitter/box for this? Or is it as simple as a load of wires all joined together in a cats cradle behind the chart area? Is there such a thing as a NMEA distribution box?

You are all probably using these things but l have never seen one.

i used a block connector in a sealed box

 

[sailorbenji]

You can simply solder them together or use a choccy block in a sealed box of some sort.

The basic rule for NMEA is that multiple listeners are OK (can parallel as many in as you want essentially), but as soon as you get into the realms of multiple talkers onto the NMEA network, then you need to be looking into multiplexers etc.

 

[sailorman]

my furuno GP31 runs my Raymarine plotter & autohelm 6000

 

[nigelmercier]

The basic rule for NMEA is that multiple listeners are OK (can parallel as many in as you want essentially)...

There is a limit, perhaps 4 or 5?

 

[prv]

There is a limit, perhaps 4 or 5?

I've certainly heard 4 as the limit, but it will depend on the equipment and the wiring actually involved.

Pete

 

[Spyro]

Just connect them up in parallel, you will have no problem running 2 listeners off 1 feed.

 

[David2452]

I've certainly heard 4 as the limit, but it will depend on the equipment and the wiring actually involved.

Pete

Coincidentally I just renewed my advanced level NMEA installers cert and this was one of the "starters for ten" in the exam, the official line is a maximum of 3 listeners per talker. A simple project case with a barrier strip using ring terminals is a good and reliable method for distribution, Raymarine used to make a nice little one at not a lot of money but I haven't seen one for a while.

 

[lpdsn]

A simple project case with a barrier strip using ring terminals is a good and reliable method for distribution, Raymarine used to make a nice little one at not a lot of money but I haven't seen one for a while.

Barrier strips are extortionately expensive these days: http://www.banggood.com/Dual-8-Position-Screw-Terminal-Barrier-Strip-Rated-20A-300V-p-928456.html

 

[nigelmercier]

Barrier strips are extortionately expensive these days: http://www.banggood.com/Dual-8-Position-Screw-Terminal-Barrier-Strip-Rated-20A-300V-p-928456.html

87p

Have you bought one from them? All the ones I've got from eBay have had nasty yellow plating, which seems to corrode.

 

[AndyJ76]

I used a Krone block to tidy up my NMEA wiring.