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Go Back   SailNet Community > General Interest Forums > Gear & Maintenance > Electrical Systems
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  #51  
Old 06-08-2013
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Re: Wiring & Installing A Battery Monitor

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Originally Posted by n0w0rries View Post
I'm getting ready to buy a Xantrex Linkpro and came across this thread while doing my research. I'm going to buy a 25' cat6 cable to use for $4.44 instead of their connection kit that costs $120+. What a joke!

Thanks for the great info--hope I was able to give something back!

Oh yeah here's a link to buy the cable: For only $3.60 each when QTY 50+ purchased - 25FT 24AWG Cat6 550MHz UTP Ethernet Bare Copper Network Cable - Gray
thanks Mainesail, great writeup! I know this is an older thread, but......I'm in the process of a LinkPro install, and am making my own wiring harnesd with cat5 cable, do you see any potential issues with this?
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Old 06-10-2013
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Re: Wiring & Installing A Battery Monitor

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Originally Posted by wouldrathersail View Post
thanks Mainesail, great writeup! I know this is an older thread, but......I'm in the process of a LinkPro install, and am making my own wiring harnesd with cat5 cable, do you see any potential issues with this?

The wire for a Link-Pro should be twisted pair. If it is not too late perhaps return it and get a Victron BMV-600. It is much less money, easier to install and does the same thing....
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Re: Wiring & Installing A Battery Monitor

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Originally Posted by Maine Sail View Post
The wire for a Link-Pro should be twisted pair. If it is not too late perhaps return it and get a Victron BMV-600. It is much less money, easier to install and does the same thing....
Cat 6 is twisted pair. Of course it's not tinned or designed for marine applications but it's damn cheap and this is a non critical. It seems like a decent fit to me if you're looking to save money and willing to take a chance.

Getting shielded Cat 6 and properly connecting the shield could be even better.

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Old 06-10-2013
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Re: Wiring & Installing A Battery Monitor

I ordered and installed a BMV600s from M.S a couple of weeks ago and installed it the next day.
That's right, the next day. It was that easy.

Since then it's been working absolutely perfectly except for one operator error. It actually performed and self sync'd so well I forgot to tell it I had 320 amp hours not the default 200.
I noticed it was reporting a low state of charge based on amps used/total and percentage - it just took my math addled brain a couple attempts to figure it out.
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Re: Wiring & Installing A Battery Monitor

Thanks Maine Sail! The LP was bought last year when I did our solar panel install, I'm just now getting around to installing it. The CAT-5 cabling is free for me (decommed stuff from work), the sensor wiring/ethernet will be a non-issue for me, however I'm running into another problem with how to run our battery negative system through the shunt, so will have to get someone out to advise anyway.
Great write up, and thanks again for all the great info here!

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The wire for a Link-Pro should be twisted pair. If it is not too late perhaps return it and get a Victron BMV-600. It is much less money, easier to install and does the same thing....
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Old 06-11-2013
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Re: Wiring & Installing A Battery Monitor

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Originally Posted by wouldrathersail View Post
...I'm running into another problem with how to run our battery negative system through the shunt, so will have to get someone out to advise anyway...
IIRC, connect the shunt directly to the negative terminal of your battery bank. Then connect everything else to the shunt. Nothing else connects to the negative battery terminal except the shunt.

You can get a short jumper made for the shunt-to-negative-terminal, at GenuineDealz.com - Marine Electrical, Boat Wire & Cable, Custom Battery Cables.

Regards,
Brad
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Old 06-11-2013
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Re: Wiring & Installing A Battery Monitor

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Originally Posted by Bene505 View Post
IIRC, connect the shunt directly to the negative terminal of your battery bank. Then connect everything else to the shunt. Nothing else connects to the negative battery terminal except the shunt.

You can get a short jumper made for the shunt-to-negative-terminal, at GenuineDealz.com - Marine Electrical, Boat Wire & Cable, Custom Battery Cables.

Regards,
Brad
Thanks Brad, yes that's how I understand it should be run, however our boat is not set up that way with a common ground. We have 3 banks - two 8D starts - one for each engine, and a 660 Ah house bank. The negatives are jumped from here to there, but not to a common point, which is why I may turn this over to a professional so I don't short the whole dang boat out with this install
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Re: Wiring & Installing A Battery Monitor

All you have to do is separate the the negatives of the 660AH bank from the rest and install the shunt as the first in line after the negative post. All other batteries' negatives can be connected after the shunt.
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Re: Wiring & Installing A Battery Monitor

Great article. I installed a Xantrex Link Pro two years ago and wish I had seen your excellently illustrated article before laboring and worrying all winter over how to install it. I don't know how I got along without the monitor.
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