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  • car should be in park not neutral

    • we can either be in a undervoltage state, or neutral

  • we’re also charging from solar

  • need to have a threshold for opening the solar relays

  • that threshold is not necessarily the overvoltage fault

    • cells are 95% charged

  • whenever solar closed, battery has to be closed

  • we should always make sure

  • motor controllers must not be connected

  • when car’s in parking, mci should disconnect

    • unless we’re not in an “undervoltage charge state” and we’re in “park” we should be able to charge

    • there needs to be continuous communication between BMS and the charger to taper the charging.

    • for MVP we keep it simple “two states”

  • once charging done:

    • tell evse by setting the switch

    • tell charger to stop

    • open the relay

  • shouldn’t go to neutral or drive again, unless we pull out the charger

After charging:

  • bms needs to send a taper message

  • bms needs to send a fully charged message

  • talk to liam

Richard’s Notes

Notes on Charger CAN Comm:

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