3.4 DESCRIPTION OF SEM-ZERO CONNECTORS.
PIN REFERENCE DESCRIPTION A1
HOURMETER Output hourmeter; it controls a load to -BATT. Maximum output current 200mA.
A2
KEY
B+ Supply into logic downstream of 10A fuse & key switch.
A3
NMC
Negative main contactor coil.
A4
NEMB
Negative electro-brake.
A5
TILLER
Tiller micro-switch.
A6
-BATT
-BATT.
A7
PMC
Positive main contactor coil and common positive supply for REV, FORW, B SW, HORN, LIFT, LOW microswitches.
A8
H&S
Hard & Soft function input. It should be connected to A7 through the H&S switch. Active high (+VB).
B1
CPOT
Accelerator's potentiometer wiper, or output of inductive device.
B2
NPOT
Provides a negative supply to accelerator's potentiometer.
B3
PPOT
Provides a positive supply to accelerator's potentiometer.
B4
REV
Reverse direction input, it should be connected to A7 by a microswitch. Active HIGH (+VB).
B5
B SW
Quick inversion input, it should be connected to belly button. Active HIGH (+VB).
B6
FORW
Forward direction input. It should be connected to A7 by a microswitch, active HIGH (+VB).
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