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PIN REFERENCE DESCRIPTION
C1 CM Common positive supply for micro-switch SR1, SR2, (+BATT).
C2 SR1 Input for 1
st
speed reduction. It should be connected to C1 by
micro-switch, active LOW.
C3 SR2 Input for 2
nd
speed reduction. . It should be connected to C1 by
micro-switch, active LOW.
D1 REG SIGNAL Regenerative braking status.
Normally high, low while regenerating.
D2 PHORN Positive horn, it should be connected to A7 by the horn
micro-switch.
D3 NHORN Negative horn, it is -BATT.
D4 PPC Positive pump contactor; it should be connected to A7 by lifting
micro-switch LIFT which provides the positive supply to the pump
contactor's coil.
D5 NPC-NEV Negative supply for pump contactor.
D6 PEV Positive electro-valve for lowering.
E1 PCLRXD Positive serial reception.
E2 NCLRXD Negative serial reception.
E3 PCLTXD Positive serial transmission.
E4 NCLTXD Negative serial transmission.
E5 GND Negative console power supply.
E6 +VL Positive console power supply.
E7 --- Free.
E8 --- Free.
3.5 DESCRIPTION OF POWER CONNECTIONS
+BATT = Positive Supply from Battery.
-BATT = Negative Supply from Battery.
VMN = Negative Supply (via chopper) to Motor.
F1, F2 = Connections to Drive Motor Field Winding.
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