CHAPTER 1 CONTROLLERCHAPTER 1 CONTROLLER
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System layout for FC typeSystem layout for FC type
Five or seven independent controllers are linked togetherFive or seven independent controllers are linked together
by the Controller Area Network (CAN) to communicate withby the Controller Area Network (CAN) to communicate with
each other to control the truck.each other to control the truck.
The logic The logic unit is unit is the heart the heart of the of the control system control system for the for the liftlift
trucks.trucks.
The configuration of The configuration of the controller system the controller system is classified is classified intointo
two types according to the lifting system.two types according to the lifting system.
The input unit The input unit is connected to is connected to the FC contrthe FC control lever.ol lever.
The The output output unit unit is is connected connected to to the the FC FC hydraulic hydraulic controlcontrol
valve assembly.valve assembly.
The inverters and EPS The inverters and EPS controller are connected to the controller are connected to the eacheach
motor.motor.
The logic unit is The logic unit is connected to connected to the other dthe other devices.evices.
500918500918
UU
VV
WW
MM
MM
Right traction motorRight traction motor
Left traction motorLeft traction motor
Pump motorPump motor
Right Right
traction invertertraction inverter
Left Left
traction invertertraction inverter
Pump inverterPump inverter
SwitchesSwitches
ContactorsContactors
AcceleratorAccelerator
Direction leverDirection lever
KeyKey
switchswitch
DisplayDisplay
InputInput
unitunit
OutputOutput
unitunit
EPSEPS
controllercontroller
Lift cLift cylinderylinder,,
Tilt cylinderTilt cylinder
FC hydraulicFC hydraulic
control valvecontrol valve
assemblyassembly
HydraulicHydraulic
pumppump
Power stearingPower stearing
MotorMotor
FC control leverFC control lever
CAN busCAN bus
Lift lockLift lock
solenoid valvesolenoid valve
UU
WW
UU
VV
WW
MM
SensorsSensors
UU
VV
WW
MM
SensorsSensors
Motor controlMotor control
commandcommand
SensingSensing
datadata
FC lever inputFC lever input
FC solenoidFC solenoid
commandcommand
FC solenoidFC solenoid
control signalcontrol signal
Logic UnitLogic Unit
Logic cardLogic card
TraTraveling controveling control,l,
Lifting control,Lifting control,
Safety function,Safety function,
etc.etc.
Lift lock solenoid control signalLift lock solenoid control signal
Contactor control signalContactor control signal
LineLine
contactorcontactor
BatteryBattery
Electric powerElectric power
SteeringSteering
contactorcontactor
DSP cardDSP card
DSP cardDSP card
DSP cardDSP card
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