Michael, The JLD 404 will run on from 8 to 30VDC. You can be creative powering the meter. Maybe you have a small battery you can put into service for this.
Mike On Wed, May 14, 2014 at 8:17 PM, Michael K Johnson via EV <[email protected] > wrote: > Thank you! That's perfect! All you are really doing is programming > mV/A with a max of 75mV, so that makes sense. > > The EVTV diagram says "Isolated 12v to 12v DC-DC Converter". I didn't > see anywhere else that the negative power terminal on the JLD404AH > cannot be tied to the COM terminal. And all my 12V regulated supplies > are common negative. I don't have a separate 12V house battery in the > lawn tractor. Are you using an isolated dc-dc converter in your truck? > > > On Wed, May 14, 2014 at 9:10 AM, Rick Beebe via EV <[email protected]> > wrote: > > I have one in my truck and it works great. It wants a 75mV shunt but I > > have a 50mV/500A. You just lie the meter--I.e. I said it was connected > > to a 75mV/750A shunt. > > > > The manual is available here: > > http://www.lightobject.info/viewtopic.php?f=14&t=1074 > > > > Jack Rickard of EVTV has written a plain english one here: > > http://media3.evtv.me/JLD404AH.pdf. > > > > --Rick > > > > On 05/14/2014 06:35 AM, Michael K Johnson via EV wrote: > >> That AH meter at lightobject looks very interesting. It doesn't say > >> what shunt or range of shunts it can use that I can see. > >> > >> I have a buck converter that I can put on my tractor to power the > >> meter, but obviously I'd need to use a shunt to measure current. I > >> have a 50mV/500A shunt installed; do you have docs to check whether it > >> would work? > >> > >> On Wed, May 14, 2014 at 12:21 AM, John Lussmyer via EV > >> <[email protected]> wrote: > >>> I'm going to try one of these: > >>> > http://www.lightobject.com/Programmable-Digital-AH-meter-Ideal-for-battery-monitoring-P278.aspx > >>> > >>> I have it on my desk, but haven't hooked it up to anything yet. > > > > _______________________________________________ > > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > > For EV drag racing discussion, please use NEDRA ( > http://groups.yahoo.com/group/NEDRA) > > > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > For EV drag racing discussion, please use NEDRA ( > http://groups.yahoo.com/group/NEDRA) > > -- Put this question to yourself: should I use everyone else to attain happiness, or should I help others gain happiness? *Dalai Lama * Tell me what it is you plan to do With your one wild and precious life? Mary Oliver, "The summer day." To invent, you need a good imagination and a pile of junk. Thomas A. Edison<http://www.brainyquote.com/quotes/quotes/t/thomasaed125362.html> A public-opinion poll is no substitute for thought. *Warren Buffet* Michael E. Ross (919) 550-2430 Land (919) 576-0824 <https://www.google.com/voice/b/0?pli=1#phones> Google Phone (919) 631-1451 Cell (919) 513-0418 Desk [email protected] <[email protected]> -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20140514/3e6a8148/attachment.htm> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org For EV drag racing discussion, please use NEDRA (http://groups.yahoo.com/group/NEDRA)
