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Nita E

Nita E

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  •  Both PB7 and PB9 should be enabled before any power is detected on 12V_CONTACTOR_COIL_SW (cathode of D9).
  •  When both are enabled, 12V_CONTACTOR_COIL_SW should be at 12V.
  •  When both are enabled, initial current should be approx 30A and LED3 should turn on. It should be enough to close the relay.
  •  The relay should open if PB7 or PB9 (or both) are off.