LS Industrials Variable Frequency Drives

High torque micro VFD

Precise vector control standard VFD

3 phase 0.75 ~ 55kW(1 ~ 75HP), 200 ~ 230V
3 phase 0.75 ~ 75kW(1 ~ 100HP), 380 ~ 480V
Selectable V/f, Sensorless vector, Sensored vector control (Optional)
Built-in process PID control
Optimum acceleration and deceleration for a maximum torque
APP parameter group for special operations:
Traverse, Multi Motor Control, DRAW
Multi-function I/O terminal:
Input: 27 functions / Output: 21 functions
Multi Motor Control (Up to 4 motors: Optional)
Motor parameter Auto-tuning
Parameter Read/Write function using a detachable LCD Keypad
8 Preset speeds
Extension I/O boards (Optional): Sub-A, Sub-B, Sub-C
Communication options:
Modbus RTU, Profibus-DP, DeviceNet, RS485(LS Bus), Fnet(LS PLC link)
Built-in Dynamic braking transistor (Up to 7.5kW[10HP])
Monitoring and commissioning PC based software tool (Drive View)

Fan and Pump specialized VFD

3 phase 200V : 0.75 ~ 30kW(1 ~ 400HP), 200 ~ 230V
3 phase 400V : 0.75 ~ 450kW(1 ~ 600HP), 380 ~ 480V
Specialized functions for Fan and Pump:
Advanced PID control (Pre-PID, Dual PID) Multi Motor Control function
(Up to 4 motors: 5.5 ~ 90kW[7.5 ~ 125HP])
Energy saving and High efficiency:
Sleep and Wake-up function Flying Starting function
Automatic energy saving function Flux Braking Algorithm
Improved protection functions: Pre-heater function
Low Leakage PWM Safety stop function
Automatic carrier frequency change
Selectable V/f, Sensorless vector control
Long-life condenser and Simple framework
Easy Start function
Selectable PNP/NPN input signal
Plug-in type control terminals
Cooling fan On/Off control
Built-in RS485(LS Bus) communication
Communication boards (Optional):
Modbus RTU, DeviceNet, Profibus-DP, LonWorks,
BACnet, Modbus TCP*, CANOpen, CC-Link
Monitoring and commissioning PC based software tool (Drive View)
DNV Certification

User friendly micro size slim VFD

Powerful and compact sensorless vector control VFD

1 phase 0.4 ~ 1.5kW(0.5 ~ 2HP), 200 ~ 230V 3 phase
0.4 ~ 22kW(0.5 ~ 30HP), 200 ~ 230V 3 phase
0.4 ~ 22kW(0.5 ~ 30HP), 380 ~ 480V
Selectable V/f, sensorless vector control
Motor parameter Auto-tuning
Powerful torque at overall speed range
0.1 ~ 400Hz frequency output
1 ~ 15kHz carrier frequency
−15% ~ +10% input voltage margin
Fault history: Last 5 faults
0 ~ 10Vdc / −10 ~ + 10Vdc analog input
IP20 enclosure, UL Type 1 (Option)
Selectable manual/automatic torque boost
Footprint EMC Filter (Option)
Selectable PNP/NPN input signal
2nd motor control and parameter setting
Built-in Dynamic braking transistor as standard
Enhanced process PID control
Built-in RS485 (LS Bus / Modbus RTU) communication
Cooling fan On/Off control and easy change
Remote control using external keypad * RJ45 cable (optional)
Upgraded functions: Sleep and Wake-up (Energy savings)
KEB (Kinetic Energy Buffering) protection Low leakage PWM algorism
Monitoring and commissioning PC based software tool (Drive View)
Communication options:
DeviceNet, EtherNet, Profibus-DP, CANOpen

High Torque Performance and Precise VFD

3 phase 200V : 0.75 ~ 75kW(1 ~ 100HP), 200 ~ 230V
3 phase 400V : 0.75 ~ 375kW(1 ~ 500HP), 380 ~ 480V
Constant torque / Variable torque dual rating
Selectable V/f, V/f PG, sensorless vector, sensored vector
150 MIPS (million instructions per second) high speed DSP
High performances and functions: Droop control (automatic torque balance)
KEB (Kinetic Energy Buffering) protection Ride Through (LV Trip Delay)
protection Under Load Trip protection PMSM sensorless vector function
Power brake and Flux Brake function Static motor parameter Auto-tuning*
Easy to control: Easy Start Mode, User and Macro group, Multi Function Key
2nd motor sensorless control and parameter setting
Available IP54 enclosure(0.75 ~ 22kW[1 ~ 30HP]) as built-in option Built-in RS485
(LS Bus / Modbus RTU) communication
Built-in Dynamic braking transistor (0.75 ~ 22kW[1 ~ 30HP])
Available EMC Filter and DC Reactor as built-in option
EMC Filter(0.75 ~ 22kW[1 ~ 30HP]) / DC Reactor(0.75 ~ 160kW[1 ~ 215HP])
Wide graphic LCD keypad (6 different languages)
PLC board (optional):
Master-K platform: 14 max. inputs and 7 max. outputs
Extension I/O boards (optional):11 max. inputs and 6 max outputs
Communication boards (optional):
Profibus-DP, DeviceNet, Modbus TCP, Rnet, Lon Works, CANopen
Monitoring and commissioning PC based software tool (Drive View)

High duty full flux vector control VFD

3 phase 200V :2.2 ~ 37kW(3 ~ 50HP), 200 ~ 230V
3 phase 400V : 2.2 ~ 500kW(1 ~ 666HP), 380 ~ 480V
DC input type : 5.5 ~ 500kW(7.5 ~ 666HP)
Ultimate performance solution for System Drive
Advanced Speed and Torque control
(200% instantaneous torque: Max. 250%)
Precious Speed and Position synchronization operation
Extension I/O boards (optional):
Static motor parameter Auto-tuning
Draw / Droop / Process PID control
Highly precious control through optional Sincos Encoder
Synchronous motor sensorless control
(SPM and IPM motors)
Specialized functions for various applications Load balance function
Diameter calculation / Taper function Splicing
Built-in Dynamic braking transistor (2.2 ~ 22kW[3 ~ 30HP])
User-friendly LCD keypad (detachable)
Plug-in type control terminals
EL I/O (for Elevator application) Encoder division (open collector)
Synchronization option (Speed/Position control) Sincos encorder
Communication boards (Optional) RS485(LS Bus / Modbus RTU) Profibus-DP
DeviceNet
Monitoring and commissioning PC based software tool (Drive View)

LS Inverter Series