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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 micro-
switch. 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 micro-
switch, active HIGH (+VB).
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