As the first company to introduce a general-purpose drive in Korea and as an undisputed leader in the field of drives, LSIS develop drives, which provide advanced embedded functions and PLC (K120S), and recently released next generation products through continuous technology development. The company has had its products recognized as employing optimum solutions in many industrial fields such as cranes, elevators, steel manufacturing, automobiles, air conditioning, and water treatment plants.


IC5 Series – High torque micro VFD Inverter

EMC filter – class A (Built-in option)
Selectable V/f, sensorless vector control
Motor parameter Auto-tuning
150% torque at 0.5Hz
1 ~ 400Hz frequency output
1 ~ 15kHz carrier frequency
0 ~ 10Vdc analog input
IP20 enclosure
Selectable manual/automatic torque boost
Built-in potentiometer
Selectable PNP/NPN Input signal
Fault history: Last 5 faults
Enhanced process PID control
Up-Down & 3-Wire operation
Modbus RTU communication (optional)
8 programmable I/O
Parameter copy unit
Monitoring & commissioning PC based software tool (Drive View)/td>

S100 Series – High Performance Standard VFD

Selectable V/f, Sensorless vector control
Built-in EMC Filter
Side by Side Installation
Enhanced Size Competitiveness
PLC Function(Simple Sequence Operation)
Compliance with Open Field Networks – Profibus-DP, CANopen, EtherNet
IP66 Enclosure (0.4~22kW)
PM Sensor-less Control
P2P I/O Share Function
Capacitor/Fan Life Cycle Management Function
Smart Copier Option
(Able to copy parameter and download drive main OS)
H100 Drive

H100 Series – HVAC specialized VFD

Multi-motor control
Scheduling function (Time event: Real Time Clock)
Flow Compensation
Soft fill operation
Start Ramp & End Ramp, Dec Valve Ramp
Pump clean function
Fire Mode
Energy-saving Display (Payback Counter),/td>
Sleep, Boost and Wake-up function
V/f control
Built-in BACnet communication
Keypad Exclusive for HVAC
Built-in EMC filter/DC Reactor
Side by Side Installation
Heatsink out the back installation
(Flange Option)
Enhanced Size Competitiveness
Capacitor/Fan Life Cycle Management Function
Smart Copier Option (Able to copy parameter and download drive main OS)

M100 Series – Micro VFD

1Phase 200~240V 0,1…2,2kW
Built-in C2 EMC Filter
DIN-rail mountable
Side-by-side installation
Easy connection with RJ45 port – Modbus / Smart Copier / Remote Keypad / DriveView 7
Built-in DB Unit: >=1,5kW
Modbus in Advanced I/O Type built-in

IP5A Series – Pump and Fan specialized VFD

Specialized functions for Fan & Pump:
– Advanced PID control (Pre-PID, Dual PID)
– Multi Motor Control function
– Energy saving & High efficiency:
– Sleep & 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 & 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 & commissioning PC based software tool (Drive View)
DNV Certification

IS7 Series – High Torque Performance and Precise VFD

Constant torque / Variable torque dual rating
Selectable V/F, V/F PG, sensorless vector, sensored vector
High performances & functions:
– Droop control (automatic torque balance)
– KEB (Kinetic Energy Buffering) protection
– Ride Through (LV Trip Delay) protection
– Under Load Trip protection
– Power brake & Flux Brake function
Static motor parameter Auto-tuning
Easy to control: Easy Start Mode, User & Macro group, Multi-Function Key
2nd motor sensorless control and parameter setting
Available IP54 enclosure (0.75˜22kW)
Built-in RS485(LS Bus / Modbus RTU) communication
Built-in Dynamic braking transistor (0.75~ 22kW)
Available EMC Filter & DC Reactor as built-in option
Wide graphic LCD keypad (6 different languages)
PLC board (optional): Master-K platform: 14 max. Inputs & 7 max. Outputs
Extension I/O boards (Optional):
– 11 max. inputs & 6 max outputs
Communication boards (Optional):
– Profibus-DP, DeviceNet, Modbus TCP, Rnet, LonWorks, CANopen
Monitoring & commissioning PC based software tool (Drive View)

IV5 Series – High duty full flux vector control VFD

Ultimate performance solution for System Drive
Advanced Speed & Torque control (200% instantaneous torque: Max. 250%)
Precious Speed & Position synchronization operation
Static motor parameter Auto-tuning
Draw / Droop / Process PID control
Highly precious control through optional Sincos Encoder
Highly precious control through optional Sincos Encoder
Synchronous motor sensorless control (SPM & IPM motors)
Specialized functions for various applications
– Load balance function
– Diameter calculation / Taper function
– Splicing / Inertia compensation function
– Quick stop function
– Elevator Control
Built-in Dynamic braking transistor (2.2~22kW)
User-friendly LCD keypad (Detachable)
Plug-in type control terminals
Extension I/O boards (Optional):
– EL I/O (for Elevator application)
– Encoder division (open collector)
– Synchronization option (Speed/Position control)/td>
– Sincos encoder option
Communication boards (Optional) RS485(LS Bus / Modbus RTU), Profibus-DP, DeviceNet

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