Sales Opportunities VersiStart i III

VersiStart 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 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 Highlights

Water Supply Local government, water utilities etc Water Treatment Local government, waste water & sewage utilities etc Irrigation Food & Beverage Slaughter houses, frozen foods, cool stores, beverage manufacturers etc Forestry Saw Mills, Pulp & Paper Processors etc Quarries & Mining HVAC Building Services Petrochemical Production Marine Generator Set Supplies Industry Types

Water Supply Pumps

Water Treatment Pumps Aerators Milliscreens

Irrigation Pumps

Food and Beverage Pumps Compressors Centrifuges Conveyors Fans

Forestry Pumps Bandsaws Slabber Chippers Edgers Debarkers Hydraulic Power Packs Fans Refiners

Quarrying and Mining Pumps Crushers Conveyors Fans Screens

HVAC & Building Services Pumps Escalators Fans Chiller Compressors

Petrochemical Production Pumps Centrifuges Fans Compressors

Marine Pumps Bow Thrusters Winches Fans Compressors

Generator Set Supplies Large Machines run off Limited Supplies

Gentle Acceleration Minimises pressure surges during start thus preventing mechanical damage to pipes, valves, transducers, etc. Related VS i III Functions: Current Limit, Current Ramp, Torque Control, AAC AAC Setup: Constant Acceleration, Early Deceleration Minimum Start Current Reduces 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 Pumps

Soft Stop AAC‘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 Soft Start Benefits for Pumps

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 Protection Motor 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 Soft Start Benefits for Pumps

Phase Sequence Protection The 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 Protection Motor 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 Soft Start Benefits for Pumps

Excess Start Time If 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 Protection Motor 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 Soft Start Benefits for Pumps

Current Flags The 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 Monitoring 0-20mA / 4-20mA analogue output can be used to monitor the pump loading. Related VS i III Function: Analog Output A Emergency Run The 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 Soft Start Benefits for Pumps

Power-Through Operation 2-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 Resetting This 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 timers The application can be set to start and stop by time of day or delay Related VS i III Function: Start/Stop Timers section Soft Start Benefits for Pumps

Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Soft Start Benefits for Pumps

Gentle Acceleration Minimises 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 Current Reduces electrical disturbance on the supply. Related VS i III Functions: Current Limit, Current Ramp Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Soft Start Benefits for Compressor Chillers

Power-Through Operation 2-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 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 Thermal Capacity Motor Thermistor Protection Motor 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 Soft Start Benefits for Compressor Chillers

Phase Sequence Protection The 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 compressor runs in reverse direction. Related VS i III Function: Phase Sequence Protection Undercurrent Protection Motor 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 broken couplings and belts. Related VS i III Function: Undercurrent Trip point, Undercurrent Protection Delay Soft Start Benefits for Compressor Chillers

Excess Start Time If 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 compressor. It can also detect failure of the Off Loader device. Related VS i III Function: Excess Start Time Instantaneous Overload Protection Motor 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 Soft Start Benefits for Compressor Chillers

High Current and Motor Temperature Flags The 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 Monitoring 0-20mA / 4-20mA analogue output can be used to monitor the compressor load. Related VS i III Function: Analog Output A Soft Start Benefits for Compressor Chillers

Dual Parameter Settings Primary 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 Delay This 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 Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Soft Start Benefits for Compressor Chillers

Gentle Acceleration Minimises 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 Minimum Start Current Reduces electrical disturbance on the supply. Related VS i III Functions: Current Limit, Current Ramp Emergency Run The 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. Related VS i III Function: Input A Soft Start Benefits for Fans

Power-Through Operation 2-phase start and stop operation can still be performed in the event where one thyristor fails. Thus minimizing downtime for the user. Related LPRA Function: Shorted SCR Action 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 Thermal Capacity Soft Start Benefits for Fans

Motor Thermistor Protection Motor 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 Protection The 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 may occur if the fan runs in reverse direction. Related VS i III Function: Phase Sequence Protection Soft Start Benefits for Fans

Undercurrent Protection Motor 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 broken couplings and belts. This protection can be disabled Related VS i III Function: Undercurrent, Undercurrent Delay. Note: This protection can be disabled Excess Start Time If 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 fan. Can give early indication of bearing failure. Related VS i III Function: Excess Start Time Soft Start Benefits for Fans

Undercurrent Flag The 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 Monitoring Via 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 Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Soft Start Benefits for Fans

Gentle Acceleration Minimises 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. Related VS i III Functions: Current Limit, Current Ramp, Setup: Constant Current Soft Start Benefits for Conveyors

Minimum start current Reduces electrical disturbance on the supply. Related VS i III Functions: Current Limit, Current Ramp Soft Stop Extends conveyor stopping time thus reducing the risk of product damage caused by sudden stops. Related VS i III Functions: Soft Stop Ramp Time Soft Start Benefits for Conveyors

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 ideal for a situation where a restart is required after an emergency stop or when large loads are dumped on the conveyor. Related VS i III Function: Motor Thermal Capacity Motor Thermistor Protection Motor 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 Soft Start Benefits for Conveyors

Phase Sequence Protection The 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 conveyor runs in reverse direction. Related VS i III Function: Phase Sequence Protection Undercurrent Protection Motor 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 broken couplings and conveyor belts. Related VS i III Function: Undercurrent Trip point, Undercurrent Protection Delay Soft Start Benefits for Conveyors

Excess Start Time If 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 caused by a jammed or excessively overloaded conveyor during start up. Related VS i III Function: Excess Start Time Instantaneous Overload Protection Motor 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, conveyor and couplings caused by severe product overload or a stalled conveyor. Related VS i III Function: Instantaneous Overload Trip Point and Delay Soft Start Benefits for Conveyors

Dual Parameter Settings Primary 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 Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Soft Start Benefits for Conveyors

Power-Through Operation 2-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 Soft Start Benefits for Conveyors

Gentle Acceleration Minimises 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 Minimum Start Current Reduces electrical disturbance on the supply. 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 Crushers

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. 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 Motor Thermistor Protection Motor 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 Soft Start Benefits for Crushers

Phase Sequence Protection The 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 crusher runs in reverse direction. Related VS i III Function: Phase Sequence Protection Undercurrent Protection Motor 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 broken couplings and crusher belts. Related VS i III Function: Undercurrent Trip point, Undercurrent Delay Soft Start Benefits for Crushers

Excess Start Time If 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 caused by a jammed or excessively overloaded crusher during start up. Related VS i III Function: Excess Start Time Instantaneous Overload Protection Motor 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, 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 Soft Start Benefits for Crushers

Dual Parameter Settings Primary 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 Control The 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 Soft Start Benefits for Crushers

Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Power-Through Operation 2-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 Soft Start Benefits for Crushers

Gentle Acceleration Centrifuges 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. Related VS i III Functions: Current Limit, Current Ramp, AAC. AAC Setup: Constant Acceleration Soft 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 Protection Motor 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 Soft Start Benefits for Centrifuges

Phase Sequence Protection The 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 centrfuge runs in reverse direction. Related VS i III Function: Phase Sequence Protection Excess Start Time If 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 caused by a seized gearbox, couplings, belts and bearings during start up. Related VS i III Function: Excess Start Time Soft Start Benefits for Centrifuges

Dual Parameter Settings Centrifuges 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 Features Old Star/Delta starters can be simply replaced using the 6 Wire feature Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Soft Start Benefits for Centrifuges

Power-Through Operation 2-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 Soft Start Benefits for Centrifuges

Gentle Acceleration Minimises 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 Current Reduces 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 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 Motor Thermistor Protection Motor 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 Soft Start Benefits for Bandsaws Headrigs

Excess Start Time If 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 and saw blades caused by a jammed or excessively overloaded bandsaw during start up. Related VS i III Function: Excess Start Time Instantaneous Overload Protection Motor 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. 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 Soft Start Benefits for Bandsaws Headrigs

Dual Parameter Settings Primary 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. Related VS i III Function: Primary and Secondary Motor Settings Bandsaw Load Monitoring and Control The 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. Related VS i III Function: Analog Output Function, scale and adjustments Soft Start Benefits for Bandsaws Headrigs

Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Power-Through Operation 2-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 Soft Start Benefits for Bandsaws Headrigs

Optimum Starting Performance The 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. Related VS i III Functions: Current Limit, Current Ramp, Setup: Constant Current Soft Start Benefits for Generator Sets

Frequency Protection The 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 Protection Motor 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 Soft Start Benefits for Generator Sets

Undercurrent Protection Motor 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 Soft Start Benefits for Generator Sets

Instantaneous Overload Protection Motor 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. 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 Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Soft Start Benefits for Generator Sets

Power-Through Operation 2-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 Soft Start Benefits for Generator Sets

Gentle Acceleration Minimises torque transients for a gentle run up of the chipper. This reduces mechanical stress on couplings, belts and knife blades thus lowering maintenance costs. Related VS i III Functions: Current Limit, Current Ramp, AAC. AAC Setup: Constant Acceleration Minimum Start Current Reduces 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 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. Maximum product throughput can be achieved without the risk of motor failure. Related VS i III Function: Motor Overload Protection Motor Thermistor Protection Motor 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 Soft Start Benefits for Chippers

Excess Start Time If 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 and knife blades caused by a jammed or excessively overloaded chipper during start up. Related VS i III Function: Excess Start Time Instantaneous Overload Protection Motor 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. 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 conditions Related VS i III Function: Instantaneous Overcurrent Trip Point and Delay Soft Start Benefits for Chippers

Dual Parameter Settings Primary 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 Chipper Load Monitoring and Control Via 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. Related VS i III Function: Analog Output Function, scale and adjustments Soft Start Benefits for Chippers

Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Power-Through Operation 2-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 Soft Start Benefits for Chippers

Gentle Acceleration Increases mechanical stability during start up to reduce risk of tipping. Minimises torque transients during start thus preventing mechanical damage to couplings and bearings. Related VS i III Functions: Current Limit, Current Ramp, AAC. AAC Setup: Constant Acceleration Minimum Start Current Reduces electrical disturbance on the supply. Related VS i III Functions: Current Limit, Current Ramp Soft Start Benefits for Aerators

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 Motor Thermistor Protection Motor 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 Soft Start Benefits for Aerators

Phase Sequence Protection The 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 aerator runs in reverse direction. Related VS i III Function: Phase Sequence Protection Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Soft Start Benefits for Aerators

Power-Through Operation 2-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 Soft Start Benefits for Aerators

Gentle Acceleration Milliscreens 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 Current Reduces 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 Milliscreens

Phase Sequence Protection The 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 as damage can occur to the gearbox and milliscreen if run in reverse direction. Related VS i III Function: Phase Sequence Protection Excess Start Time If 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 caused by a seized gearbox, couplings, belts and bearings during start up. Related VS i III Function: Excess Start Time Soft Start Benefits for Milliscreens

Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Power-Through Operation 2-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 Soft Start Benefits for Milliscreens

Gentle Acceleration Minimises 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. Related VS i III Functions: Current Limit, Current Ramp, AAC. AAC Setup: Constant Acceleration Minimum Start Current Reduces 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 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. Motor thermal model will provide optimum protection without nuisance tripping. Maximum product throughput can be achieved without the risk of motor failure. Related VS i III Function: Motor Overload Protection Motor Thermistor Protection Motor 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 Soft Start Benefits for Slabbers

Excess Start Time If 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 and saw blades caused by a jammed or excessively overloaded slabber during start up. Related VS i III Function: Excess Start Time Instantaneous Overload Protection Motor 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. 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 conditions Related VS i III Function: Instantaneous Overcurrent Trip Point and delay Soft Start Benefits for Slabbers

Dual Parameter Settings Slabbers 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. Related VS i III Function: Primary and Secondary Motor Settings Slabber Load Monitoring and Control Via 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. Related VS i III Function: Analog Output Function, scale and adjustments Soft Start Benefits for Slabbers

Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Power-Through Operation 2-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 Soft Start Benefits for Slabbers

Gentle Acceleration Minimises 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 Current Reduces 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 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. Motor thermal model will provide optimum protection without nuisance tripping. Maximum product throughput can be achieved without the risk of motor failure. Related VS i III Function: Motor Overload Protection Motor Thermistor Protection Motor 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 Soft Start Benefits for Edgers Arbors

Excess Start Time If 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 and saw blades caused by a jammed or excessively overloaded edger during start up. Related VS i III Function: Excess Start Time Instantaneous Overload Protection Motor 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. 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 Soft Start Benefits for Edgers Arbors

Edger Load Monitoring and Control Via 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. Related VS i III Function: Analog Output Function, scale and adjustments Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Soft Start Benefits for Edgers Arbors

Power-Through Operation 2-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 Soft Start Benefits for Edgers Arbors

Gentle Acceleration Minimises 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. Related VS i III Functions: Current Limit, Current Ramp, AAC. AAC Setup: Constant Acceleration Minimum Start Current Reduces 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 Debarkers

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. 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 Motor Thermistor Protection Motor 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 Soft Start Benefits for Debarkers

Excess Start Time If 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, ring gear and saw blades caused by a jammed or excessively overloaded debarker during start up. Related VS i III Function: Excess Start Time Instantaneous Overload Protection Motor 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. 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 Soft Start Benefits for Debarkers

Debarker Load Monitoring and Control The 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. Related VS i III Function: Analog Output Function, scale and adjustments Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Soft Start Benefits for Debarkers

Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Power-Through Operation 2-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 Soft Start Benefits for Debarkers

Gentle Acceleration Hydraulic 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 Current Reduces 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 Packs

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. Motor thermal model will provide optimum protection without nuisance tripping. Maximum product throughput can be achieved without the risk of motor failure. Related VS i III Function: Motor Overload Protection Motor Thermistor Protection Motor 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 Soft Start Benefits for Hydraulic Power Packs

Excess Start Time If 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 and other moving equipment caused by a jammed log in the process line during start up. Related VS i III Function: Excess Start Time Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Soft Start Benefits for Hydraulic Power Packs

Power-Through Operation 2-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 Soft Start Benefits for Hydraulic Power Packs

Gentle Acceleration Minimises torque transients for a gentle run up of the refiner. This reduces mechanical stress on couplings, belts and knife blades thus lowering maintenance costs. Related VS i III Functions: Current Limit, Current Ramp, AAC. AAC Setup: Constant Acceleration Minimum Start Current Reduces 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 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. 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 Motor Thermistor Protection Motor 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 Soft Start Benefits for Refiners

Excess Start Time If 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 and knife blades caused by a jammed or excessively overloaded refiner during start up. Related VS i III Function: Excess Start Time Instantaneous Overload Protection Motor 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. 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 Soft Start Benefits for Refiners

Dual Parameter Settings Primary 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 Control The 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 Soft Start Benefits for Refiners

Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Power-Through Operation 2-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 Soft Start Benefits for Refiners

Gentle Acceleration Minimises torque transients for gentle winch starting thus extending coupling, winch line and bearing life. Related VS i III Functions: Current Limit, Current Ramp, AAC. AAC Setup: Constant Acceleration Minimum Start Current Reduces electrical disturbance on the supply. Limits the demand on the supply. This is important in marine situations where generator sets are used for reticulation. Related VS i III Functions: Current Limit, Current Ramp. Soft Start Benefits for Winches

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. 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 Motor Thermistor Protection Motor 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 Soft Start Benefits for Winches

Excess Start Time If 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 caused by a jammed or excessively overloaded winch during start up. Related VS i III Function Excess Start Time Instantaneous Overload Protection Motor 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, winch line and couplings caused by severe overload or a stalled winch line. Related VS i III Function: Instantaneous Overcurrent Trip Point and Delay Soft Start Benefits for Winches

Dual Parameter Settings Winches 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 Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Soft Start Benefits for Winches

Power-Through Operation 2-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 Soft Start Benefits for Winches

Gentle Acceleration Reduces mechanical stress on couplings bearings 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 Current Reduces 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 Screens

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. 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 Motor Thermistor Protection Motor 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 Soft Start Benefits for Screens

Excess Start Time If 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 and other moving equipment caused by jamming during start up. Related VS i III Function: Excess Start Time Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Soft Start Benefits for Screens

Power-Through Operation 2-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 Soft Start Benefits for Screens

Gentle Acceleration Minimises 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 current Reduces 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 Escalators

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 ideal for a situation where a restart is required after an emergency stop. Related VS i III Function: Motor Overload Protection Motor Thermistor Protection Motor 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 Soft Start Benefits for Escalators

Undercurrent Protection Motor 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 broken couplings and belts. Related VS i III Function: Undercurrent Trip point and Delay Instantaneous Overload Protection Motor 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, couplings and belts caused by a stalled situation. Related VS i III Function: Instantaneous Overcurrent Trip Point and delay Soft Start Benefits for Escalators

Dual Parameter Settings Primary 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. Related VS i III Function: Primary and Secondary Motor Settings Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Soft Start Benefits for Escalators

Power-Through Operation 2-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 Soft Start Benefits for Escalators

Gentle Acceleration Reduces 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 Current Electrically 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 Thrusters

Soft Stop Extends 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 Protection Electrical 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 Soft Start Benefits for Bow Thrusters

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. 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 Motor Thermistor Protection Motor thermistors can be connected directly into the VS i III thermistor input. This eliminates the need for special control equipment to be installed. Reduces the fire hazard risk by preventing motor winding burn out. Related VS i III Function: Thermistor Input Terminal Soft Start Benefits for Bow Thrusters

Excess Start Time If 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 and couplings in the event of a jammed or stalled impellor during starting. Related VS i III Function: Excess Start Time Instantaneous Overload Protection Motor 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 and couplings caused by large objects or broken impellor blades jamming the impellor. Related VS i III Function: Instantaneous Overcurrent Trip Point and delay Soft Start Benefits for Bow Thrusters

Dual Parameter Settings Primary and secondary motor settings can be selected. This feature can be used for the forward and reverse running of the bow thruster. Related VS i III Function: Primary and Secondary Motor Settings Miscellaneous Features Old Star/Delta starters can be simply replaced using the 6 Wire feature. Related VS i III Function: Motor Connection Emergency Run The soft starter starts/continues to run until stopped, ignoring all trips and warnings. Related VS i III Function: Input A Soft Start Benefits for Bow Thrusters

Power-Through Operation 2-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 Soft Start Benefits for Bow Thrusters