> Because there are no "mains" in a vehicle.??? Is it really "That" Noisy? I suspect it is very doable, it's just that no one has done it yet.The trick is probably using signal processing to get rid of the noise and doing extremelylow bit rates, which is fine for a BMS. Ham radio guys can send stuff over the entire earthon 10 watts using techniques like jt65. I expect they can deal with a little noise. it's justnot going to be trivial, but it would be doable.
IMHO the main use for the BMS is in charging anyway. On Tuesday, April 28, 2020, 2:12:26 PM PDT, Lee Hart <leeah...@earthlink.net> wrote: Lawrence Winiarski wrote: > Anyone know anything about data over powerlines? Why can't the BMS > communicate over the mains? Because there are no "mains" in a vehicle. That said, it is possible to communicate via the DC power cables already connected to each cell. But this is an extremely noisy environment. It would require substantial filtering and protection to keep driving currents from trashing data transfers. Some chargers are also extremely noisy, and could block data transfers while charging. Lee -- If happiness is on your mind, here's a daily list to find: - something to do - something to look forward to - someone to love - someone to take good care of - and misbehave, just a little -- Lee Hart, 814 8th Ave N, Sartell MN 56377, www.sunrise-ev.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.evdl.org/private.cgi/ev-evdl.org/attachments/20200428/723c2c8e/attachment.html> _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub ARCHIVE: http://www.evdl.org/archive/index.html INFO: http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
