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Watchmon 4 Can bus, anyone got it working?
#11
(06-10-2018, 07:29 PM)CarelHassink Wrote: New project, 
testing canbus with Batrium WM4 Venus GX Victron Quattro 48V/5000/100-100. 
+ 14S4P GS YUASA LEV50N @200Ah 52.5V 10.5Kwh batterybank

OK got it working,...
at least I see in devices section of Venus the Batrium as battery,
see photo 1, + other screen shots,
only in Telemetry, "remote life" voltage actual + current actual when charging/discharging stays empty.

Q: did someone come across this??, and found a way to solve this??

best Carel





The actuals reported come from the Victron inverter, the remote targets are sent from the BMS.

Screen shots do not show any obvious gaps from the the step by step guide
https://www.batrium.com/pages/how-to-con...h-watchmon

Can you send us your snapshot report via email to have a look at you configuration and the live telemetry
https://www.batrium.com/pages/understand...ure-report
www.batrium.com provider of battery management for lithium cells
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#12
Jaron,
Thanks for the support offered,

but while discharging battery bank to empty, with the 2Kw electric heater, we ran into an issue,
Gigavac contactor had welded contacts, 
and system was not shutdown @2.75V cell voltage, had to manually flip the breaker fuse....


Now, before taking the snapshot, need to replace main contactor, 
will not use the other Gigavac (rated 150A too) as shown in photo's,
clearly I need something bigger.

I'll present the snapshot of system later this day.

Carel
Carel Hassink, 
Obdam, Netherlands
72Kw ESS, 480 Yuasa LEV40 cells
14.2Kwp Ciggs solar panels, 2 Goodwe 3phase inverters
SMA SI 8.0 single phase + controls, REC BMS

second life ev/phev li-on batteries
follow me on facebook.com/Carel1956
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#13
I have had good success with the LSIS GER250 contactors, they have integrated pre-charge gubbins and magnetic arc extinguishing. Well built, cheap off eBay from a guy in the UK.
Current system: 9.6kWh wet Nicad batteries, 16S1P Calb LiFePo4, 210aH, Batrium WM4, Outback vfx3048 inverter, mx60 mppt controller, flexware 500 mounting hardware, 2.4kW solar array, 6kW lister diesel genset.

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#14
(06-11-2018, 01:43 PM)CarelHassink Wrote: we ran into an issue,
Gigavac contactor had welded contacts, 

Any pre charge in place ?
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#15
(06-13-2018, 05:19 PM)HughF Wrote: I have had good success with the LSIS GER250 contactors, they have integrated pre-charge gubbins and magnetic arc extinguishing. Well built, cheap off eBay from a guy in the UK.

Given Carel's challenges I may need to look at other contactor options. Don't suppose you would have a link to these units?
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