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Originally Posted by Mike Dabrowski 2000
The source is the IMA, I remember turning off the breaker , and seeing it disappear.
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Done that and of course it works fine with IMA off
For info here are the Master & Digital slave circuit diagrams. There are 50 slaves (cells) with the Master bus outputs in parallel all connected to the Master Board master bus input.
http://www.solarvan.co.uk/bms/Master080908.jpg
http://www.solarvan.co.uk/bms/DigitalSlave080908.jpg
I agree shielding may help a bit but I'm not redoing all those connections
I'll try the extra layer of opto isolation first.
Just ordered a couple of dc-dc converters to get the supplies isolated.
