HELI G3 Series, Operation & Service Manual

Page: 36 / 110

33
When parking brake switch is closed, parking brake indicator light is on;
Seat belt light, reserved function, this LED light is temporarily not in use.
4.3 Control system
4.3.1 Introduction to Control System
This series of balanced weight forklift adopts Swedish INMOTION AC motor controller
or Italian ZAPI AC motor controller, controller is a three-phase AC asynchronous motor
inverter, which controls traction motor, pump motor and steering motor. It has regenerative
braking function, CAN BUS interface and digital control of microprocessor (based on motor
speed feedback).
The allowable working ambient temperature range is -40º C
～
+50º C, and the maximum
allowable working temperature is 85º C.
Protection functions of AC motor controller:
a) Battery polarity protection b) Incorrect connection protection
c) Over heat protection; overload protection; short circuit protection
d) Mis-starting protection; e) Out of control protection
f) Battery over discharging protection
The instrument can be used as a programmer, and the following functions can be
conveniently realized:
a) On line inspection and adjusting on traction, steering and lifting control system
b) Fault detection and inquiry on traction, steering and lifting control system
4.3.2 INMOTION Control system composition