Sales Opportunities VersiStart i III. VersiStart i III Family

Sales OpportunitiesSales Opportunities

VersiStart i IIIVersiStart i III

VersiStart i III FamilyVersiStart i III Family

Ranges• 23 Models• 23A ~ 1600A • 7.5kW ~ 800kW

Voltage Ranges• 200 ~ 525VAC• 380 ~ 690VAC

Protection• IP20 VS i III-0023B ~ VS i III-0105B• IP00 VS i III-0145B ~ VS i III-1600C

Certification

VersiStart i III RangeVersiStart i III Range

• LCD Graphical Display with 8 Languages

• Extensive Metering Screens

• Performance Graph Screens

• Extensive User Friendly Menu for Programming

• Real-time Clock

• Power-through Operation

• Emergency Run and Stop

• Adjustable bus-bars for 360A+

• Serial Communication Modules – Modbus, DeviceNet, Profibus, USB

VersiStart i III HighlightsVersiStart i III Highlights

Water SupplyLocal government, water utilities etc

Water TreatmentLocal government, waste water & sewage utilities etc

Irrigation

Food & BeverageSlaughter houses, frozen foods, cool stores, beverage manufacturers etc

ForestrySaw Mills, Pulp & Paper Processors etc

Quarries & Mining

HVACBuilding Services

Petrochemical Production

Marine

Generator Set Supplies

Industry TypesIndustry Types

Water SupplyWater Supply

Pumps

Water TreatmentWater Treatment

Pumps

Aerators

Milliscreens

IrrigationIrrigation

Pumps

Food and BeverageFood and Beverage

Pumps

Compressors

Centrifuges

Conveyors

Fans

ForestryForestry

Pumps

Bandsaws

Slabber

Chippers

Edgers

Debarkers

Hydraulic Power Packs

Fans

Refiners

Quarrying and MiningQuarrying and Mining

Pumps

Crushers

Conveyors

Fans

Screens

HVAC & Building ServicesHVAC & Building Services

Pumps

Escalators

Fans

Chiller Compressors

Petrochemical ProductionPetrochemical Production

Pumps

Centrifuges

Fans

Compressors

MarineMarine

Pumps

Bow Thrusters

Winches

Fans

Compressors

Generator Set SuppliesGenerator Set Supplies

Large Machines run off Limited Supplies

Gentle AccelerationMinimises pressure surges during start thus preventing mechanical damage to pipes, valves, transducers, etc.

Related VS i III Functions: Current Limit, Current Ramp, Torque Control, AACAAC Setup: Constant Acceleration, Early Deceleration

Minimum Start CurrentReduces electrical disturbance on the supply. This is very important where large pumps are installed in residential areas.

Limits demand on the supply. This can reduce reticulation costs when supplying power to large pumps installed in remote areas, e.g. farm irrigation pumps.

Related VS i III Functions: Current Limit ,Current Ramp

Soft Start Benefits for PumpsSoft Start Benefits for Pumps

Soft StopAAC‘s Adaptive Deceleration enables elected profiles fitting to the application to extend and control the pump stopping eliminating the damaging effects of fluid hammer often associated with uncontrolled pump stopping.

This will reduce the need for regular maintenance/repair and extend the life of pumps, valves, pipes, transducers, etc.

New installation costs can be reduced because the system design need not allow for repetitive high pressure surges. For example, pressure surge tanks and motorised valves become unneccessary and the specification of pipes, valves, transducers, etc, can be reduced.

Related VS i III Function: AAC’s Adaptive deceleration Control


Motor Overload Protection - Dual Thermal Model The VS i III mathematically calculates the motor windings and body temperature allowing for safe use of the motors thermal capacity.

In the petrochemical industry this feature can be vital for safety. If excessive motor temperature goes undetected, a hazardous situation exists.

Related VS i III Function: Motor Thermal Capacity

Motor Thermistor ProtectionMotor thermistors can be connected directly into the VS i III thermistor input.

This eliminates the need for special control equipment to be installed.

Related VS i III Function: Thermistor Input Terminals


Phase Sequence ProtectionThe sequence of the incoming three phase supply is monitored. If a change is detected, the VS i III will prevent a start.

This is important in applications where damage can occur if the pump runs in reverse direction.

Related VS i III Function: Phase Sequence Protection

Undercurrent ProtectionMotor current is monitored and if the level detected is less than that set for undercurrent protection, the VS i III will trip.

This can be used to detect blocked pipes or lack of fluid thus preventing pump damage.

Related VS i III Function: Undercurrent Trip point, Undercurrent Protection Delay


Excess Start TimeIf a successful start is not achieved within the excess start time setting, the VS i III will trip.

This will prevent damage to the motor in the event of a jammed or stalled pump.

Related VS i III Function: Excess Start Time

Instantaneous Overload ProtectionMotor current is monitored and if the level detected is higher than that set for the instantaneous overload protection, the VS i III will immediately trip.

This will prevent damage to the motor, pump and couplings caused by abnormally large solids jamming the pump, eg tree debris in a flood pump or large rocks in a slurry pump.

Related VS i III Function: Instantaneous Overload Trip Point


Current FlagsThe low current and high current flag set points can give indication that there is a mechanical problem within the system. eg a low current flag could indicate a blocked pipe and a high current flag could indicate a broken pipe.

Related VS i III Function: Low & High Current Flag, Relay Output A, B or C

Pump Load Monitoring0-20mA / 4-20mA analogue output can be used to monitor the pump loading.

Related VS i III Function: Analog Output A

Emergency RunThe soft starter starts/continues to run until stopped, ignoring all trips and warnings. This is useful in emergency situations, such as allowing the sprinkler system to remain operational.

Related VS i III Function: Input A


Power-Through Operation2-phase start and stop operation can still be performed in the event where one thyristor fails. Thus minimizing downtime for the user.

Related VS i III Function: Shorted SCR Action

Automatic Alarm ResettingThis feature can be very useful in unmanned pump stations because it can eliminate unneccessary site visits in the event of a trip.

Related VS i III Function: Auto-Reset – Trip Types, Auto Reset, Number of Resets, Group Delays

Automatic Start-Stop timersThe application can be set to start and stop by time of day or delay

Related VS i III Function: Start/Stop Timers section


Miscellaneous FeaturesOld Star/Delta starters can be simply replaced using the 6 Wire feature.

Related VS i III Function: Motor Connection


Gentle AccelerationMinimises torque transients during start thus preventing mechanical damage to couplings, belts, bearings and the compressor.

Related VS i III Functions: Current Limit, Current Ramp, Setup: Constant Current

Minimum Start CurrentReduces electrical disturbance on the supply.

Related VS i III Functions: Current Limit, Current Ramp

Emergency RunThe soft starter starts/continues to run until stopped, ignoring all trips and warnings.


Soft Start Benefits for Compressor ChillersSoft Start Benefits for Compressor Chillers



Motor Overload Protection – Dual Thermal Model The VS i III mathematically calculates the motor windings and body temperature allowing for safe use of the motors thermal capacity.







This is important in applications where damage can occur if the compressor runs in reverse direction.



This can be used to detect broken couplings and belts.




This will prevent damage to the motor in the event of a jammed or stalled compressor.

It can also detect failure of the Off Loader device.Related VS i III Function: Excess Start Time

Instantaneous Overload ProtectionMotor current is monitored and if the level detected is higher than that set for the Instantaneous overload protection, the VS i III will immediately trip.

This will prevent damage to the motor, compressor and couplings caused by a lock up situation. eg liquid ammonia entering the compressor.Related VS i III Function: Instantaneous Overload Trip Point


High Current and Motor Temperature FlagsThe high current flag can give warning of compressor overload and allow load shedding before the VS i III trips.

The motor temperature flag can give warning of an approaching motor overload and allow load shedding before the VS i III trips.

Related VS i III Function: High Current Flag, Relay Output A – Function Assignment

Compressor Load Monitoring0-20mA / 4-20mA analogue output can be used to monitor the compressor load.

Related VS i III Function: Analog Output A


Dual Parameter SettingsPrimary and secondary motor settings can be selected. This feature can be used for dual speed motor dahlander type control which is often used to optimise compressor performance.Related VS i III Function: Primary and Secondary Motor Settings

Restart DelayThis feature allows a time delay between the end of one stop and the next start. This can be used to avoid short cycling thus increasing motor, compressor and coupling life.Related VS i III Function: Restart Delay

Miscellaneous FeaturesOld Star/Delta starters can be simply replaced using the 6 Wire feature.Related VS i III Function: Motor Connection


Gentle AccelerationMinimises torque transients during start thus preventing mechanical damage to couplings, belts and bearings.

Related VS i III Functions: Current Limit, Current Ramp, AAC. AAC Setup: Constant Acceleration



Emergency RunThe soft starter starts/continues to run until stopped, ignoring all trips and warnings. This is can be crucial in emergencies to allow fans to continue ventilation.


Soft Start Benefits for FansSoft Start Benefits for Fans


Related LPRA Function: Shorted SCR Action








This is important in applications where damage may occur if the fan runs in reverse direction.





This protection can be disabled

Related VS i III Function: Undercurrent, Undercurrent Delay. Note: This protection can be disabled


This will prevent damage to the motor in the event of a jammed or stalled fan.

Can give early indication of bearing failure.



Undercurrent FlagThe low current flag can give warning of a mechanical problem within the system, e.g. it could indicate a clogged fan filter.Related VS i III Function: Undercurrent , Undercurrent Delay, Relay Output – Function Assignment

Fan Load MonitoringVia an optional remote operator a analogue output can be used to monitor the fan loading. This allows the VS i III to be directly interfaced with a building management system without the need for extra equipment.Related VS i III Function: 0-20mA / 4-20mA Programmable Output



Gentle AccelerationMinimises torque transients and extends starting time for gentle run up of the conveyor.

Reduces the risk of product damage caused by jerky starts.

Provides optimimum conveyor starting regardless of product loading, i.e. loaded/unloaded.

Prevents mechanical damage to couplings, drums, belts and bearings.

Prevents conveyor belt slap during start.

Reduces stress on counter balances and weights.


Soft Start Benefits for ConveyorsSoft Start Benefits for Conveyors

Minimum start currentReduces electrical disturbance on the supply.


Soft StopExtends conveyor stopping time thus reducing the

risk of product damage caused by sudden stops.

Related VS i III Functions: Soft Stop Ramp Time



This is ideal for a situation where a restart is required after an emergency stop or when large loads are dumped on the conveyor.







This is important in applications where damage can occur if the conveyor runs in reverse direction.



This can be used to detect broken couplings and conveyor belts.




This will prevent damage to the motor caused by a jammed or excessively overloaded conveyor during start up.



This will prevent damage to the motor, conveyor and couplings caused by severe product overload or a stalled conveyor .

Related VS i III Function: Instantaneous Overload Trip Point and Delay


Dual Parameter SettingsPrimary and secondary motor settings can be selected. This feature can be used where the primary settings are selected for normal conveyor operation and the secondary settings are selected for emergency situations to start the conveyor fully loaded.Related VS i III Function: Primary and Secondary Motor Settings


Emergency RunThe soft starter starts/continues to run until stopped, ignoring all trips and warnings.Related VS i III Function: Input A





Gentle AccelerationMinimises torque transients for gentle crusher starting thus extending coupling, belt and bearing life.

Related VS i III Functions: Current Limit, Current Ramp. Setup: Constant Current


Limits the demand on the supply. This is important in remote sites where generator sets are used for reticulation.

Related VS i III Functions: Current Limit, Current Ramp,

Soft Start Benefits for CrushersSoft Start Benefits for Crushers


Maximises product throughput by allowing the motor to operate at its upper thermal limit.

Provides reliable motor protection while allowing the crusher to ride through temporary product overload situations. Related VS i III Function: Motor Thermal Capacity


This eliminates the need for special control equipment to be installed.Related VS i III Function: Thermistor Input Terminals



This is important in applications where damage can occur if the crusher runs in reverse direction.



This can be used to detect broken couplings and crusher belts.

Related VS i III Function: Undercurrent Trip point, Undercurrent Delay



This will prevent damage to the motor caused by a jammed or excessively overloaded crusher during start up.Related VS i III Function: Excess Start Time


This will prevent damage to the motor, crusher and couplings caused by severe product overload or a stalled crusher while running, eg, oversized rock jammed in crusher rollers.Related VS i III Function: Instantaneous Overcurrent Trip Point and Delay


Dual Parameter SettingsPrimary and secondary motor settings can be selected. This feature can be used where the primary settings are selected for normal crusher operation and the secondary settings are selected for emergency situations to start the crusher fully loaded.

Related VS i III Function: Primary and Secondary Motor Settings

Crusher Load Monitoring and ControlThe 0-20mA / 4-20mA analogue output signal can be used to monitor crusher loading and can be interfaced with the infeed conveyor control system to maximise product throughput.

Related VS i III Function: Analog Output Function, scale and adjustments


Miscellaneous FeaturesOld Star/Delta starters can be simply replaced using the 6 Wire feature







Gentle AccelerationCentrifuges are typically high inertia machines started with star/delta starters. Using this start method can take up to 15 minutes to reach full speed. The VS i III will shorten the start time thus reducing thermal stress on the motor and supply cables. It will also eliminate torque transients experienced with star/delta starting and reduce mechanical stress on gearboxes, couplings, belts and bearings.


Soft Start Benefits for CentrifugesSoft Start Benefits for Centrifuges

Motor Overload Protection - Dual Thermal Model The VS i III mathematically calculates the motor windings and body temperature allowing for safe use of the motors thermal capacity. Traditional centrifuge starting methods require the motor protection to be bypassed during start because of the long run up time. No motor protection is present at this critical stage. The VS i III Motor Overload Protection - Dual Thermal Model will give optimum motor protection during starting and running of the centrifuge.Related VS i III Function: Motor Overload Protection

Motor Thermistor ProtectionMotor thermistors can be connected directly into the VS i III thermistor input. This eliminates the need for special control equipment to be installed.Related VS i III Function: Thermistor Input Terminals



This is important in applications where damage can occur if the centrfuge runs in reverse direction.



This will prevent damage to the motor caused by a seized gearbox, couplings, belts and bearings during start up.



Dual Parameter SettingsCentrifuges can take a long time to stop. Primary and secondary motor settings can be used to control a soft braking system installed to reduce the stopping time. This will reduce the process time and increase productivity.Related VS i III Function: Primary and Secondary Motor Settings

Miscellaneous FeaturesOld Star/Delta starters can be simply replaced using

the 6 Wire feature Related VS i III Function: Motor Connection






Gentle AccelerationMinimises torque transients for a gentle run up of the bandsaw.Reduces mechanical stress on couplings, belts and saw blades thus lowering maintenance costs.Slow acceleration allows for saw blades to be easily aligned while the bandsaw is starting. This eliminates the need to jog the bandsaw which places torque shocks on the saw blades.Related VS i III Functions: Current Limit, Current Ramp, AAC. AAC Setup: Constant Acceleration

Minimum Start CurrentReduces electrical disturbance on the supply by minimising the required start current. This is important at remote timbermill sites where supply is limited.Related VS i III Functions: Current Limit , Current Ramp

Soft Start Benefits for Bandsaws HeadrigsSoft Start Benefits for Bandsaws Headrigs

Motor Overload Protection - Dual Thermal Model The VS i III mathematically calculates the motor windings and body temperature allowing for safe use of the motors thermal capacity. Bandsaws experience regular overloads as part of their normal operation.

Motor thermal model will provide optimum protection without nusiance tripping.

Maximum product throughput can be achieved without the risk of motor failure. Related VS i III Function: Motor Overload Protection





This will prevent damage to the motor and saw blades caused by a jammed or excessively overloaded bandsaw during start up.



Lock up situations are common in bandsaw applications. Instantaneous overload protection will reduce the risk of sawblade damage due to torque shocks experienced under these conditions

Related VS i III Function: Instantaneous Overcurrent Trip Point and Delay


Dual Parameter SettingsPrimary and secondary motor settings can be used for the control of a soft braking system.

Saw blades have a long run down time and need changing several times a day. By using the soft braking method run down time is reduced thus reducing process time and increasing productivity.


Bandsaw Load Monitoring and ControlThe 0-20mA / 4-20mA analogue output signal can be used to monitor bandsaw loading and can be interfaced with the infeed conveyor control system to maximise product throughput.










Optimum Starting PerformanceThe VS i III will optimise the starting performance of any motor supplied by a generator set.

Start current is minimised reducing the kVA demand on the alternator and the kW demand on the primemover.

Load is gradually applied to the alternator. This will assist in maintaining a constant voltage and frequency during start providing a more overall stable system.

New motors may be used on existing generator sets already operating at near full capacity.

Possibility of reduced generator set sizing on new installations where motors are a signicant part of the load.


Soft Start Benefits for Generator SetsSoft Start Benefits for Generator Sets

Frequency ProtectionThe VS i III monitors the supply frequency and can be set to trip if it falls outside the protection tolerance. This is useful on generator set applications for detecting under and over frequency situations. The allowable frequency tolerance is greater during start enabling the generator set to ride through the motor starting conditions. Related VS i III Function: Frequency Protection: Check, Variation and Delay

Phase Loss ProtectionMotor line currents are monitored and if a programmed imbalance is detected the VS i III will trip. This is useful for detecting a problem in the alternator section of the generator set.Related VS i III Function: Current Imbalance Sensitivity and Delay


Undercurrent ProtectionMotor current is monitored and if the level detected is less than that set for the undercurrent protection, the VS i III will trip.

This can be used to detect extended periods of unloaded generator set operation which can cause engine cylinders to glaze.

Related VS i III Function: Undercurrent Trip point, Undercurrent Delay



Severe overload situations can cause the generator set to become unstable and run below its safe operating speed. This can be avoided using the instantaneous overload protection function.Related VS i III Function: Instantaneous Overcurrent Trip Point and Delay







Gentle AccelerationMinimises torque transients for a gentle run up of the chipper. This reduces mechanical stress on couplings, belts and knife blades thus lowering maintenance costs.


Minimum Start CurrentReduces electrical disturbance on the supply by minimising the required start current. This is important at remote sites where supply is limited.

Related VS i III Functions: Current Limit, Current Ramp.

Soft Start Benefits for ChippersSoft Start Benefits for Chippers

Motor Overload Protection - Dual Thermal Model The VS i III mathematically calculates the motor windings and body temperature allowing for safe use of the motors thermal capacity. Chippers experience regular overloads as part of their normal operation.

Motor thermal model will provide optimum protection without nuisance tripping.






This will prevent damage to the motor and knife blades caused by a jammed or excessively overloaded chipper during start up.Related VS i III Function: Excess Start Time


Lock up situations are common in chipper applications. Instantaneous overload protection will reduce the risk of knifeblade damage due to torque shocks experienced under these conditionsRelated VS i III Function: Instantaneous Overcurrent Trip Point and Delay


Dual Parameter SettingsPrimary and secondary motor settings can be used for the control of a soft braking system. By using the soft braking method run down time is reduced. This will reduce process and maintenance time and increase productivity.


Chipper Load Monitoring and ControlVia an optional remote operator a 4-20mA analogue output signal can be used to monitor chipper loading and can be interfaced with the infeed conveyor control system to maximise product throughput.










Gentle AccelerationIncreases mechanical stability during start up to reduce risk of tipping.

Minimises torque transients during start thus preventing mechanical damage to couplings and bearings.




Soft Start Benefits for AeratorsSoft Start Benefits for Aerators


Related VS i III Function: Motor Overload Protection






This is important in applications where damage can occur if the aerator runs in reverse direction.Related VS i III Function: Phase Sequence Protection







Gentle AccelerationMilliscreens commonly use small motors with gearboxes to produce high output torque. The VS i III will reduce mechanical stress on gearboxes, couplings, belts and bearings.Related VS i III Functions: Current Limit, Current Ramp, AAC. AAC Setup: Constant Acceleration

Minimum Start CurrentReduces electrical disturbance on the supply. Related VS i III Functions: Current Limit, Current Ramp

Motor Overload Protection - Dual Thermal Model The VS i III mathematically calculates the motor windings and body temperature allowing for safe use of the motors thermal capacity. Related VS i III Function: Motor Overload Protection

Soft Start Benefits for MilliscreensSoft Start Benefits for Milliscreens


This is important as damage can occur to the gearbox and milliscreen if run in reverse direction.Related VS i III Function: Phase Sequence Protection


This will prevent damage to the motor caused by a seized gearbox, couplings, belts and bearings during start up.Related VS i III Function: Excess Start Time









Gentle AccelerationMinimises torque transients for a gentle run up of the slabber. This reduces mechanical stress on couplings and saw blades extending equipment life and lowering maintenance costs.




Soft Start Benefits for SlabbersSoft Start Benefits for Slabbers

Motor Overload Protection - Dual Thermal Model The VS i III mathematically calculates the motor windings and body temperature allowing for safe use of the motors thermal capacity. Slabbers experience regular overloads as part of their normal operation.







This will prevent damage to the motor and saw blades caused by a jammed or excessively overloaded slabber during start up.Related VS i III Function: Excess Start Time


Lock up situations are common in slabber applications. Instantaneous overload protection will reduce the risk of sawblade damage due to torque shocks experienced under these conditionsRelated VS i III Function: Instantaneous Overcurrent Trip Point and delay


Dual Parameter SettingsSlabbers have a long run down time and require regular sawblade maintenance. Primary and secondary motor settings can be used for the control of a soft braking system.

The soft braking method will reduce run down time. This will reduce process and maintenance time and increase productivity.


Slabber Load Monitoring and ControlVia an optional remote operator 4-20mA analogue output signal can be used to monitor slabber loading and can be interfaced with the infeed conveyor control system to maximise product throughput.










Gentle AccelerationMinimises torque transients for a gentle run up of the edger.

Reduces mechanical stress on couplings and saw blades extending equipment life and lowering maintenance costs.

Prevents sawblade de-alignment.Related VS i III Functions: Current Limit, Current Ramp, AAC. AAC Setup: Constant Acceleration

Minimum Start CurrentReduces electrical disturbance on the supply by minimising the required start current. This is important at remote sites where supply is limited.Related VS i III Functions: Current Limit, Current Ramp

Soft Start Benefits for Edgers ArborsSoft Start Benefits for Edgers Arbors

Motor Overload Protection - Dual Thermal Model The VS i III mathematically calculates the motor windings and body temperature allowing for safe use of the motors thermal capacity. Edgers experience regular overloads as part of their normal operation.







This will prevent damage to the motor and saw blades caused by a jammed or excessively overloaded edger during start up.Related VS i III Function: Excess Start Time


Jamming is common in edger applications. Instantaneous overload protection will reduce the risk of sawblade damage and de-alignment under these conditions.Related VS i III Function: Instantaneous Overcurrent Trip Point and delay


Edger Load Monitoring and ControlVia an optionalremote operator a 4-20mA analogue output signal can be used to monitor edger loading and can be interfaced with the infeed conveyor control system to maximise product throughput.










Gentle AccelerationMinimises torque transients for a gentle run up of the debarker.

Reduces mechanical stress on couplings and saw blades extending equipment life and lowering maintenance costs.




Soft Start Benefits for DebarkersSoft Start Benefits for Debarkers








This will prevent damage to the motor, ring gear and saw blades caused by a jammed or excessively overloaded debarker during start up.



In the case of a jammed log, instantaneous overload protection will reduce the risk of ring gear and saw blade damage.

Related VS i III Function: Instantaneous Overcurrent Trip Point and delay


Debarker Load Monitoring and ControlThe 0-20mA / 4-20mA analogue output signal can be used to monitor debarker loading and can be interfaced with the infeed conveyor control system to maximise product throughput.










Gentle AccelerationHydraulic Power Packs are commonly used to power conveyor systems which feed logs through process machinery. Torque transients are minimised for a gentle run up.

Reduces mechanical stress on fluid couplings and other moving parts extending equipment life and lowering maintenance costs.Related VS i III Functions: Current Limit, Current Ramp, AAC. AAC Setup: Constant Acceleration

Minimum Start CurrentReduces electrical disturbance on the supply by minimising the required start current. This is important at remote sites where supply is limited.Related VS i III Functions: Current Limit, Current Ramp

Soft Start Benefits for Hydraulic Power PacksSoft Start Benefits for Hydraulic Power Packs








This will prevent damage to the motor and other moving equipment caused by a jammed log in the process line during start up.Related VS i III Function: Excess Start Time







Gentle AccelerationMinimises torque transients for a gentle run up of the refiner. This reduces mechanical stress on couplings, belts and knife blades thus lowering maintenance costs.




Soft Start Benefits for RefinersSoft Start Benefits for Refiners

Motor Overload Protection - Dual Thermal Model The VS i III mathematically calculates the motor windings and body temperature allowing for safe use of the motors thermal capacity. Refiners experience regular overloads as part of their normal operation.







This will prevent damage to the motor and knife blades caused by a jammed or excessively overloaded refiner during start up.Related VS i III Function: Excess Start Time


Lock up situations are common in refiner applications. Instantaneous overload protection will reduce the risk of knifeblade damage due to torque shocks experienced under these conditions.Related VS i III Function: Instantaneous Overcurrent Trip Point and Delay


Dual Parameter SettingsPrimary and secondary motor settings can be used for the control of a soft braking system.

By using the soft braking method run down time is reduced. This will reduce process and maintenance time and increase productivity.Related VS i III Function: Primary and Secondary Motor Settings

Refiner Load Monitoring and ControlThe 0-20mA / 4-20mA analogue output signal can be used to monitor refiner loading and can be interfaced with the infeed conveyor control system to maximise product throughput.Related VS i III Function: Analog Output Function, scale and adjustments









Gentle AccelerationMinimises torque transients for gentle winch starting thus extending coupling, winch line and bearing life.


Minimum Start CurrentReduces electrical disturbance on the supply.Limits the demand on the supply. This is important in marine situations where generator sets are used for reticulation.


Soft Start Benefits for WinchesSoft Start Benefits for Winches


Maximises productivity by allowing the motor to operate at its upper thermal limit.

Provides reliable motor protection while allowing the winch to ride through temporary overload situations. Related VS i III Function: Motor Overload Protection





This will prevent damage to the motor caused by a jammed or excessively overloaded winch during start up.Related VS i III Function Excess Start Time


This will prevent damage to the motor, winch line and couplings caused by severe overload or a stalled winch line.Related VS i III Function: Instantaneous Overcurrent Trip Point and Delay


Dual Parameter SettingsWinches are generally controlled in a forward and reverse mode of operation. Primary and secondary motor settings can be used to control the different winch directions.Related VS i III Function: Primary and Secondary Motor Settings







Gentle AccelerationReduces mechanical stress on couplings bearings and other moving parts extending equipment life and lowering maintenance costs.




Soft Start Benefits for ScreensSoft Start Benefits for Screens








This will prevent damage to the motor and other moving equipment caused by jamming during start up.Related VS i III Function: Excess Start Time







Gentle AccelerationMinimises torque transients and extends starting time for gentle run up of the escalator.

Reduces the risk of personal injury caused by jerky starts.

Prevents mechanical damage to couplings, belts and bearings.

Extends equipment life and reduces maintenance costs.

Reduces stress on counter balances and weights.Related VS i III Functions: Current Limit, Current Ramp, AAC.

AAC Setup: Constant Acceleration

Minimum start currentReduces electrical disturbance on the supply. This can be important when escalators are to be started on building emergency supplies.Related VS i III Functions: CurrentLimit , Current Ramp

Soft Start Benefits for EscalatorsSoft Start Benefits for Escalators


This is ideal for a situation where a restart is required after an emergency stop.

Related VS i III Function: Motor Overload Protection







Related VS i III Function: Undercurrent Trip point and Delay


This will prevent damage to the motor, couplings and belts caused by a stalled situation.

Related VS i III Function: Instantaneous Overcurrent Trip Point and delay


Dual Parameter SettingsPrimary and secondary motor settings can be selected. This feature can be used for the forward and reverse running of the escalator. This could be critrical in emergency situations.










Gentle AccelerationReduces mechanical stress by minimising torque transients during start.

Prevents mechanical damage to bearings, couplings and impellors.

Increases equipment life and reduces maintenance costs.Related VS i III Functions: Current Limit, Current Ramp, AAC. AAC Setup: Constant Acceleration

Minimum Start CurrentElectrically driven bow thrusters are often the largest single load on a vessel. By reducing the motor starting current to a minimum the demand on the generator set supply is reduced.

Refer to the Generator Set section.Related VS i III Functions: Current Limit, Current Ramp

Soft Start Benefits for Bow ThrustersSoft Start Benefits for Bow Thrusters

Soft StopExtends bow thruster stopping time thus reducing the risk of impellors running in reverse direction due to back pressure.

Related VS i III Function: AAC. AAC Setup: Constant Deceleration

Under Frequency ProtectionElectrical supply onboard a vessel is normally provided by a generator set. This protection can stabilise the electrical supply system during the staring of a bow thruster. This will avoid unneccessary nusiance tripping.

Related VS i III Function: Frequency Protection Check, Variation and Delay



Maximises performance by allowing the motor to operate at its upper thermal limit.

Provides reliable motor protection while allowing the bow thruster to ride through temporary overload situations. Related VS i III Function: Motor Overload Protection



Reduces the fire hazard risk by preventing motor winding burn out.Related VS i III Function: Thermistor Input Terminal



This will prevent damage to the motor and couplings in the event of a jammed or stalled impellor during starting.Related VS i III Function: Excess Start Time


This will prevent damage to the motor and couplings caused by large objects or broken impellor blades jamming the impellor.Related VS i III Function: Instantaneous Overcurrent Trip Point and delay


Dual Parameter SettingsPrimary and secondary motor settings can be selected. This feature can be used for the forward and reverse running of the bow thruster.










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Sales Opportunities VersiStart i III. VersiStart i III Family