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Drive Solutions(Low Voltage VFD)
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AC Drive

Low Voltage VFD

As the first company to introduce a general-purpose drive in Korea and the undisputed leader in the field of drives, LSIS developed iS7 drives, which provide advanced embedded functions and PLC (K120S), and recently released next generation products such as high voltage drives through continuous technology development.
The company has had its products recognized as employing optimum solutions in Several industrial fields such as cranes, elevators, steel manufacturing, automobiles, air conditioning, and water treatment plants. Today, the company is expanding its market share both in Korea and overseas.
 

 

S100

Powerful sensorless control, and a diverse range of user friendly functions delivers added value to our customers. 
 
 

Frame Design

Strong Performance

Powerful sensorless control
Starting torque of 200%/0.5Hz is produced and provides robust power in the low speed region.

Selectable rotary/standstill aut-tuning
Standstill auto-tuning is equipped to find motor constant without rotation under conditions where the system is installed or motor cannot rotate.


Flying start function
Inverter capable fo quick reliable smooth restarts into bi-directional rotating loads.
 


Space efficient Design

Side by Side installation
Minimized distance between products enables control panel size reduction when installing multiple AC Drive.

 

 
Smaller Size
Main parts are optimally arranged inside through the use of thermal radiation analysis and 3-dimensional design to reduce the dimensions by up to 60%(volume based) compared to the previous product(iG5A)


Standard Compliance

Built-in DC reactor
Effective in improving power factor and decreasing THD.
※ 3-phase 400V 30~75kW
Built-in EMC filter
Meets the electrical noise reduction regulation.
Related standards : 2nd Environment / Category C3
(Class A) CE standard is certified
C2 : 1-phase 200V 0.4~2.2kW
C3 : 3-phase 400V 0.4~75kW
Global compliance (UL, CE)
Global standard compliance
UL, CE, Gost, C-tick and cUL


Dual rating operation
It is designed to choose between heavy and normal duty operation.

Overload capacity
※ Heavy duty operation :
150% of rated current, 60 seconds
Normal duty operation :
120% of rated current, 60 seconds


Various field networks
Able to deal with a variety of field networks Easy maintenance and mounting.


Various field bus options
Profibus, Ethernet IP, Modbus TCP, CANopen Easy to install and use


Safety Function

Built-in Safety Torque Off(STO) 

The Safety input function meets EN ISO 13849-1 PLd and EN 61508 SIL2 (En 60204-1, stop category 0).
This feature is equipped and enables you to meet current safety standards.

 



Suitable for Users

Simple cooling fan replacement


Replaceable fan without complete disassembly.

Smart copier

  1. 1. Smart copier allows users to download & upload the parameters from/to S100 without AC input power.
     
  2. 2. Customized main firmware is able to be downloaded to S100 using Smart copier.
     
  3. 3. Firmware of main control and I/O saved in Smart copier can be downloaded to S100
 

 

Multi-keypad funcion


Single LCD keypad can be used to set up the parameters of a RS485 connected drives.
LCD keypad (same as iS7 model) is used to easily set up the parameters. Parameters can be copied to other drives.
Multi language support will be available.




 

Conduit option


S100 meets UL type 1 with this option.

Flange option


S100 allows its heatsink to be installed outside of panel for
better cooling system with this option.


 

H100

HVAC Specialized AC Drive

Low Voltage VFD

H100

HVAC Specialized AC Drive
 
Frame Design

Maximized User Convenience

 

Communication Module

· RS-485 Capability is built-in
· Modbus-RTU, Metasys N2
· BACnet MS/TP is embedded as standard
· LonWorks option can be added

Easy to Change Cooling Fan

It is easy to change a cooling fan
without opening the cover of a drive


Keypad Exclusive for HVAC

Used to issue commands, configure drive parameters, and for monitoring drive status
· HAND mode(Local, Control, Mode) or AUTO Mode (Remote Control Mode) can be selected.
- HAND Mode : Used when selecting frequency or run/stop commands.
- AUTO Mode : Drive operated using the keypad. multifunctional terminal block and communic
· Fault Status Monitoring



Specification Level Option (Conduit Kit)

Acquired UL open type & enclosed type 1 certification
· When the conduit option is used, the drive meets UL Enclosed Type 1 specifications


Flange Type

If the space is too small, a heat sink can be installed outside the panel



DC Reactor

A built-in DC Reactor effective to improve power factor and reduce THD is installed.
· DC Reactor built-in as standard for 400V 37-90kW
 


Builit-in EMC Filter

A built-in EMC fiter to respond to the specifications for noise reduction
· 400V 0.75~30kW Built-in as default (C3)
· 400V 37~55kW Built-in option can be selected (C3)
※ 75~90kW satisfies EMC specifications even without a filter.

 


Global Specifications Compliant

UL Plenum Rated
(American standards for conditioner fire safety)
※ suitable for installation in a Compartment Handing onditioned Air


Smart Copier
· Power-free Operation
· LED Feedback
; · Parameters Read/Write
·Easy to Install




Data Flow in Smart Copier

 
Efficient Use of Space

Side-by-Side Installation

The size of control board is significantly reduced when multiple drives are installed
by minimizing distance between products installed.
※Sibe-by-side installation is unavailable for 37~90kW.
Reduced Size
Main Components are optimally deployed
through thermal radiation analysis and
3D design to reduce size by 34% compared to
iP5A(Volume based).

Stable System Control

LSLV-H100 drives are intelligent drives equipped with various protective and operation functions for continuously stable
operation in response to external environmental changes.


Soft Fill Operation
Prevents pump damages caused by dramatic pressure
changes during intial operation or pumps or inside
pumps.
Start Ramp & End Ramp
Prevents pump damage by changing ramp using
acceleration / deceleration time setting upon initial
pump operation and stop


Dec Valve Ramp
Prevents pump and pipe damages caused by sudden
pressure changes when pumps are stopped or a pump
valve is closed, deceleration time can be set.
 
Multi Motor Control
MMC is used when a single drive is used to control
multiple motors in pump systems.
It can control 1 main motor and 5 auxiliary motors.


Scheduling (Time Event: Real Time Clock)
Prevents pump damages caused by dramatic pressure
changes during intial operation or pumps or inside
pumps.
Flow Compensation
Compensates for hydraulic loss that occurs when the
length of pipes is long, adding compensation rate
depending on the inverter output frequency.



Energy-saving Display (Payback Counter)
Commercial energy consumption is compared to the
amount of enery used by the drive to calculate the
amount of energy saved.

Power-on Resume
When the drive restarts after it was stopped due to power
interruption upon communication control, 'Power-on
Resume' is used to follow the previous control command.

Sleep, Sleep Boost, Wake-up
It is used to put the drive on standby and restarts it
using amount of enery used by the drive to calculate
the amount of energy saved.

Auto Torque Boost
The drive outputs voltage for the drive by controlling
the level of boost to fit the load by itself.

Lubrication Control
When a control command is made in the Flow/Oiling
Systems, lubrication signals are output for a certain
period before the motors are started. Drive control is
immediately started form the signal output point until
the signals are turned off after the set time

Damper Control
When a Damper exists in the system configuration,
the drive will command the Damper to open/close or
receive feedback signals for protection.


 

Detection of Pipe Broken
Upon PID operation, pipe damages or leakage is
detected to display a warning or a trip.

 

Level Detection
When the drive is operated under frequency that is
beyond the set frequency and source (voltage, current,
and etc.) values to be detected are above or below the
user set values, it generates a trip or activates a
relay for protective operation

Pre-Heat
Pre-heats motors by outputting direct current when
the motors are at fixed time state in order to prevent
condensation of the motors

Under Load Protection
When running pumps including No Flow and Dry Pumps
under the set frequency. the drive issues warning
function and when trip is generates, Free-Run,
deceleration, or stop can be selected via parameters.

Macro Setting
If a particular application is selected, frequently used
parameters and set values are changed and registered
in a macro group

KEB, Kinetic Energy Buffering
Upon loss or momentary interruption of input power,
if KEB is set, the drive maintains DC Link Voltage using
regeneration energy of the motor is used during the
interruption period.
Pump Clean
Upon pump operation, the efficiency of pumps may
decline when foreign substances are stuck in an
impeller. Pump Clean removes the foreign substances
to extend the pump life and reduce any loss

 
Aux Motor PID Compensation
Pipe flow increases and conduit pressure decreases
as the number of auxiliary motors increases. To
compensate this, 'Aux Motor PID Compensation' is
used to compensate pressure loss suitable for the
given motor when operating auxliary motors.

Load Tuning
Establishes load (current & power) curves based on
drive frequency so as to make load characteristics
curve required for 'Under Load' and 'Pump Clean.'


 

Fire Mode
When an emergency such as fire occurs at suction/
exhaust fans, but hardware did not fail nor had a
critical defect, the drive is continuously operated to
protect other systems under the set frequency and
direction.
 
 
 
 

iG5A

Powerful & compact sensorless vector control VFD LS Starvert iG5A is very competitive in its price and its functional strength compared to iG5. User-friendly interface, extended inverter ranges up to 7.5kW, superb torque competence and small size of iG5A provides an optimized user environment.
 

Features

  • Selectable V/f, sensorless vector control
  • Motor parameter Auto-tuning
  • Powerful torque at overall speed range
  • 0.1 ~ 400Hz frequency output
  • -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
  • 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 & Easy change
  • Remote control using external keypad * RJ45 cable(Optional)
  • Upgraded functions:
    • Sleep & Wake-up (Energy savings)
    • KEB(Kinetic Energy Buffering) protection
    • Low leakage PWM algorism
  • Monitoring & commissioning PC based software tool (Drive View)
 

iS7

High Torque Performance and Precise VFD Inverter featuring on strong torque performance and accurate control for general use iS7 generates more powerful performance in terms of V/F control, V/F PG, slip compensation, sensorless vector control, PMSM (Permanent Magnetic Synchronous Motor) and focuses on user-friendly interface and environment-friendly features including wide graphic LCD keypad, user & macro group support, electro-thermal functions for motor protection, protection for input/output phase Open.
 

Features

Powerful Performance
  • Control mode: V/F, V/F PG, Sensorless Vector, Vector
  • Speed Control Range 1:100(Sensorless Vector), 1:1000(Vector)
  • LV Trip Delay Function, Cooling Fan Control
  • Droop control, KEB Function, Flying Start, Flux Brake
  • PMSM Control
Flexibility
  • Built-in RS485 & Modbus Communication
  • Profibus-DP, DeviceNet, LonWorks, Rnet, Modbus TCP Option
  • Max. Input 11 Points, Output 6 Points when use expended I/O Card
  • PLC Card option: Master-K platform Normal Input 14 Points, Normal Output 7 points
  • Encoder Card option
  • Optional IP54 Enclosure (~ 22kW)
Convenience & Environment
  • Built-in EMC filter to protect from excessive electronic distortion
  • DC reactor built-in for harmonic reduction and power factor improvement
  • Widened graphic LCD keypad
  • Multi-language support (5 languages)
  • User & macro group support
 

iP5A

Fan & Pump specialized VFD Starvert iP5A series adopt various functions as standard for operation of Fan and Pump.

Features

Dual PID
When additional PID control or Cascade PID control is required, Dual PID provides users various uses of the system with only iP5A.
Multi Motor Control
The built-in algebra control function enables an inverter to control many motors without a controller so that user can take advantage of energy-saving and cost-down.
Sleep and Wake-Up
The built-in energy saving function makes inverter stop automatically when the capacity is very low.
Pre Heater
The pre heater function is built-in to prevent motor damage and inverter break-down caused from humidity.
Flying Start
When the inverter drives many ventilators or when the fan in a big load system turns due to a natural convection, iP5A operates the motor by searching the motor speed automatically.
Auto energy saving
iP5A provides the auto energy saving function by the optimal flux control which minimizes an energy loss caused by a change of the load.
Improved Management from Instant Power-off and Power Dip Generation
During the power Dip or instant power-off, which is generated by lightening, ground fault and power-failure, loads still keep the mechanical energy and this energy flows back to inverter by regeneration. The power-failure guarantee time is extended by using this electrical character of inverter.
Constant and Stable Performancel (24 hours 365 days)
Regardless of outside alteration such as input voltage variation by load change or weather effect, iP5A can handle moter and load with best performance.
Safety Stop
When unexpected power-failure blocks power supply, inverter stops motor by using inertia energy of load that prevents unexpected second accident (Parameter setting is required).
 
 

iV5

High duty full flux vector control VFD LS Starvert iV5 series realizes the high precision vector control in entire operational area and its highly precise speed control guarantees superb control stability in the elevator controls.
 

Features

  • Auto tuning
    In the application which requires a high torque at low speed, the electrical parameters of motor should be properly set for an optimal operation. Auto tuning function of iV5 make users to set the motor variable accurately.
  • various communication interface
    iV5 provides various communication interface such as RS 485, DeviceNET, Profibus-DP and Modbus-RTU.
  • Extended function card (ENC_DIV,DIAO and ELIO)
    Option card for the encoder pulse division (ENC_DIV) supports the encoder with open collector output and can divide the encoder pulse up to 1/128. Digital input and Analog signal output card (DIAO) can receive the binary speed command from PLC or other upper level controller and has 4 channels of analog signal output. ELIO card enables the lift application software to be available for an optimized lift operation.
Type
 

iE5

User friendly micro size slim VFD Inverter featuring on strong torque performance and accurate control for general use iS7 generates more powerful performance in terms of V/F control, V/F PG, slip compensation, sensorless vector control, PMSM (Permanent Magnetic Synchronous Motor) and focuses on user-friendly interface and environment-friendly features including wide graphic LCD keypad, user & macro group support, electro-thermal functions for motor protection, protection for input/output phase Open.  
 
 

iC5

High torque micro VFD Inverter featuring on strong torque performance and accurate control for general use iS7 generates more powerful performance in terms of V/F control, V/F PG, slip compensation, sensorless vector control, PMSM (Permanent Magnetic Synchronous Motor) and focuses on user-friendly interface and environment-friendly features including wide graphic LCD keypad, user & macro group support, electro-thermal functions for motor protection, protection for input/output phase Open.
 

Features

  • Sensorless vector control
    The iC5 adopts sensorless vector control algorithm, and it improves not only the torque control characteristics, but the speed controlability in an uncertain condition caused by the load variation as well.
  • Auto Tuning
    The auto tuning algorithm in the iC5 sets the motor factors automatically that brings the traditional commissioning difficulties mainly in low speed by the load variation and the low torque generation to a settlement.
  • Highly efficient DSP chip
    The iC5 adopts highly efficient DSP(Digital Signal Processing) chip to improve processing speed, flexibility, stability and etc.
  • PNP, NPN Dual Control Signal
    The iC5 provides PNP and NPN signals for outside controllers.
    It works with 24Vdc regardless of the type of PLC or control signals.
  • Communication interface, Modbus-RTU
    The iC5 provides the most popular communication interface, ModBus-RTU for remote control by PLC
    or other devices.
  • PID Control
    PID process control is used in iC5 to make speed corrections quickly with a minimal amount of overshoot
    and oscillation for the control of flow, temperature, pressure and etc.
 
 
 
Refer to website : www.lsis.biz
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