Kb-electronics KBAC-48 Manual do Utilizador Página 7

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• Start/StopSwitch– Provides electronic start and stop functions.
• BarrierTerminalBlock– Facilitates wiring of motor, AC line, and Run/Fault Relay Output Contacts.
• JumperSelectionofDriveOutputFrequency– Increases the motor speed up to two times the
rated RPM.
• Ride-Through– Provides smooth recovery to the previous set speed during a momentary power
loss (of less than 2 seconds).
• HoldingTorqueatZeroSpeed– Resists motor shaft rotation when the drive is in Stop Mode.
Note: GFCI Operation – This drive can operate with GFCIs (optional software required) – contact our
Sales Department.
3.2 Performance Features
• PowerStart™– Provides more than 200% starting torque which ensures startup of high frictional loads.
• SlipCompensationwithStaticAuto-TuneandBoost– Provides excellent load regulation over
a wide speed range.
• SpeedRange– 60:1
3.3 PROTECTION FEATURES
• MotorOverload(I
2
t) with RMS Current Limit* – Provides motor overload protection which
prevents motor burnout and eliminates nuisance trips.*
• ElectronicInrushCurrentLimit(EICL™)– Eliminates harmful Inrush AC line current during startup.
• ShortCircuit– Shuts down the drive if a short circuit occurs at the motor (phase-to-phase).
• Regeneration– Eliminates tripping due to high bus voltage caused by rapid deceleration of high
inertial loads.
• UndervoltageandOvervoltage– Shuts down the drive if the AC line input voltage goes above
or below the operating range.
• MOVInputTransientSuppression– Protects the drive components against damaging voltage
spikes on the AC line.
• MicrocontrollerSelfMonitoringandAutoReboot.
*UL approved as an electronic overload protector for motors.
3.4 TRIMPOT ADJUSTMENTS
• MinimumSpeed(MIN)– Sets the minimum speed of the motor. See Section 13.1 on page 24.
• MaximumSpeed(MAX)– Sets the maximum speed of the motor. See Section 13.2 on page 24.
• Acceleration(ACCEL)– Sets the amount of time for the motor to accelerate from zero speed to
full speed. See Section 13.3 on page 24.
• Deceleration(DECEL)– Sets the amount of time for the motor to decelerate from full speed to
zero speed. See Section 13.4 on page 24.
• DCInjectionBrake(DECEL)– When the drive is set for DC Injection Braking (Jumper J7 set to
the “INJ” position), the DECEL trimpot is used to set the DC Injection Brake voltage and time.
See Section 13.5 on page 24.
• SlipCompensation(COMP)– Maintains set motor speed under varying loads. See Section 13.6
on pages 24 - 25.
• CurrentLimit(CL)– Sets the current limit (overload) which limits the maximum current to the
motor. See Section 13.7 on page 25.
• Boost(BOOST)– Sets the amount of Boost which can be used to obtain maximum low speed
performance. See Section 13.8 on page 26.
• Jog(JOG)– Sets the “jog” speed of the motor. Must be used with the optional Run-Stop-Jog
Switch Kit (Part No. 9340). See Section 13.9 on page 26.
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