Jim, Actually, I am not familiar with the Link 2000. I have an E-Meter, the little round sort of amphour meter. It will only read one battery bank so I really don't know about the two bank type.
My amphour meter does not connect to my inverter, it connects to the battery terminals for power and for voltage sensing (two separate pairs of wires) and to the shunt only so your setup might be different from mine. Since you leave the big switch in Both almost always perhaps you could simply do away with the second bank feature and combine the battery banks into one bank. Since the amphour meter seems to ignore one bank when reading amphours, yet read both banks correctly reading amps when charging, it would seem that the correct info is getting to the amphour meter. Perhaps there is something wrong with the setting up the meter. Years ago my Radar instructor taught us to troubleshoot puzzling problems on complex heavy ship's radar by doing an alignment by the manual. The problem would become more apparent when we couldn't make a certain setting. Did it work properly at one time? Did anything happen around the time it started not reading the amphours for one bank? It very well could be a bad amphour meter. Perhaps you should send it (and the shunts) to the factory for testing. One thing I usually do if something stops working properly is to take it apart and put it back together again. Sometimes there is a bad connection somewhere that is not obvious. On one ship's radar with ARPA unit the picture was jumpy and unsteady in many aspects when I arrived aboard. I opened both units and the pcb boards were filthy with cigarette tar, dust, and salt (the cooling fan draws air from the wheelhouse and blows it throughout the unit). I pulled every board (there were about 15-20 of them) in the indicator and the ARPA (but not in the high voltage Receiver/Transmitter unit which was in a more protected location), took them to the galley and washed them with a little soapy water and a paint brush (being careful to keep the water out of the trim pots). After blowing the boards dry in the engine room I let them dry for several hours in the sun (on marine units all the parts are soldered, no sockets for ICs, etc). Everyone freaked out but the Captain. He said he had great faith in me. When I put everything back the radar worked perfectly (and I started breathing again). Norm S/V Bandersnatch Lying Julington Creek FL N30 07.68 W081 38.47 > [Original Message] > From: Jim Lynch <[email protected]> > To: <[email protected]> > Date: 2/14/2011 10:07:55 AM > Subject: Re: [Liveaboard] Any experience with the Link 2000? > > Yes, there are two distinct shunts and appear to be wired correctly > since I do get different readings when charging at a high currrent > rate. I am using a normal 1-2-all-off switch and if I disconnect one, > the current flows at about 2x the rate in/out of the disconnected one. > > I actually have a second switch that lets me independently switch the > load from one battery to the other. The first switch selects the > charger (inverter) between batteries. I don't believe there are any > wires other than the wires to the Link 2000 that run from the negative > battery posts. > > I've looked before but I'll have to look again to be sure. > > Jim. > [email protected] wrote: > > Jim, > > > > Do you have a current measuring shunt on the negative line of EACH battery > > bank? > > > > Norm > > S/V Bandersnatch > > Lying Julington Creek FL > > N30 07.68 W081 38.47 > > > > > > > >> [Original Message] > >> From: Jim Lynch <[email protected]> > >> To: <[email protected]> > >> Date: 2/12/2011 2:26:31 PM > >> Subject: [Liveaboard] Any experience with the Link 2000? > >> > >> I have a Heart inverter/charger connected to the Link 2000. The amp > >> hours for one battery bank never goes below zero, the other bank appears > >> to be working normally. The current draw (charge rate) at any point in > >> time is never more than 0.1 amps difference between the two banks, since > >> I have them switched in parallel amost all of the time. I'm thinking > >> there is something wrong with the Link 2000. I can't figure out a way > >> the current would be correct and the amp hours wrong unless somehow it's > >> measuring the amp hours in another way other than integrating the > >> current over time. > >> > >> Any ideas? > >> > >> Thanks, > >> Jim. > >> > > > > > > > > _______________________________________________ > > Liveaboard mailing list > > [email protected] > > To adjust your membership settings over the web http://liveaboardonline.com/mailman/listinfo/liveaboard > > To subscribe send an email to [email protected] > > > > To unsubscribe send an email to [email protected] > > The archives are at http://www.liveaboardonline.com/pipermail/liveaboard/ > > > > To search the archives http://www.mail-archive.com/[email protected] > > > > The Mailman Users Guide can be found here http://www.gnu.org/software/mailman/mailman-member/index.html > > > > > > _______________________________________________ > Liveaboard mailing list > [email protected] > To adjust your membership settings over the web http://liveaboardonline.com/mailman/listinfo/liveaboard > To subscribe send an email to [email protected] > > To unsubscribe send an email to [email protected] > The archives are at http://www.liveaboardonline.com/pipermail/liveaboard/ > > To search the archives http://www.mail-archive.com/[email protected] > > The Mailman Users Guide can be found here http://www.gnu.org/software/mailman/mailman-member/index.html _______________________________________________ Liveaboard mailing list [email protected] To adjust your membership settings over the web http://liveaboardonline.com/mailman/listinfo/liveaboard To subscribe send an email to [email protected] To unsubscribe send an email to [email protected] The archives are at http://www.liveaboardonline.com/pipermail/liveaboard/ To search the archives http://www.mail-archive.com/[email protected] The Mailman Users Guide can be found here http://www.gnu.org/software/mailman/mailman-member/index.html
