1. LG Inverter
iG5 , iS5 , iH , iV5 Series

2. LG Inverter STARVERT Series
LG VFD
0.4kW kW
iC5
O/L Inverter
1Φ : 0.4kW ~ 2.2 kW (200V)
200V
2 nd Qtr of ‘03
3 nd Qtr of ‘03
iG5
space Vector (CT)
200 / 400 Volts
3Φ : 0.4kW ~ 3.7 kW
200V
2 nd Qtr of ‘04
400V
1 nd Qtr of ‘05
iG5+
O/L Vector (New)
200 / 400 Volts
3Φ : 0.4 – 7.5 kW
200V
400V
iS5
O/L, C/L Vector (CT)
200 / 400 Volts
3Φ : 0.75 – 75 kW
200V
200V
400V
400V
iP5
O/L Vector (VT)
200 / 400 Volts (New)
3Φ : kW
200V
200V
400V
400V
400V iH
Dual Ratings Inverter (CT/VT)
200 / 400 Volts
3Φ : kW
200V
400V
iV5
Vector Inverter
200 / 400 Volts
3Φ : kW
200V
400V

3. iG5 Series Main Feature #1 LG VFD General Inverter
kW , 1 Φ / 3 Φ , / 400 Voltage
CE, UL, cUL Listed
Digital MMI, Trip-less Operation
Minimum/Optimum Acceleration , Deceleration
150% Torque at 0.5Hz
IP00
Small Size
Cost Effective
Various Functions and stable Operation

4. iG5 Series Main Feature #2 LG VFD
Digital MMI ( 4 * 7-segments display )
Built in DB Transistor
Built in RS485
Main Feature #2

5. iG5 Series Main Feature #3 LG VFD PID Parameter Copy
8 Step Speed and 8 Step Acc./Dec. Time
Multi Function Input 3/Output 1 Terminal
(Input : 20 Functions, Output : 16 Functions)
3 Wire, Up-Down Operation
Auto Torque Boost
1 ~ 10kHz Carrier Frequency
Main Feature #3

6. iG5 Series Protective Functions LG VFD
Over Current, Over Voltage, Over Load
Inverter Over Heat, ETH(Motor Thermal)
Lower Voltage, Input Phase Loss, Output Phase Loss
Fan Error, In/Out Wire Missing , DBTR Error
Run Operation at Frequency command Loss
Stall Prevention

7. iG5 Series Options LG VFD EMC filter : Under-mounting type (Class B)
DIN Rail installation plate
Panel mounting plate and Remote cable : 2, 3, and 5 meters
External Dynamic braking resistors
Detachable keypad

8. iG5 Series Keypad LG VFD SET LED RUN LED UP/DOWN Key STOP/RESET
FUNC Key
RUN Key
FWD LED
REV LED
SET
RUN
FWD
REV
FUNC
STOP
RESET
LD-G50
DISPLAY
(7-Segment)

9. iG5 Series
LG VFD
EMC Filter Installation
Grounding
Drive
Filter

10. iG5 Series Remote Operation (Option) LG VFD
① : Loader ② : Remote Cable ③ : Loader Holding Cover

11. iG5 Series
LG VFD
DIN Rail Installation (Option)

12. Multi-drop Link up to 32 Inverters
iG5 Series
LG VFD
RS232/RS485 Communication
Multi-drop Link up to 32 Inverters
Max. Length : 1.2km
Comm. Speed : 1,200 ~ 19,200 bps
Windows Display
Parameter Set / Change
Graphic Scope Display

13. iG5 Series Dimension LG VFD kW Volts W H D
0.75(F) 200/ mm mm mm
/ mm mm mm
/ mm mm mm
/ mm mm mm
/ mm mm mm

14. iG5 Series Optimum Acc/Dec LG VFD Trip Traditional (Trip Occurred)
Optimum Acc/Dec (Tripless)

15. iG5 Series
LG VFD
Power Block Diagram

16. iG5 Series
LG VFD
Operation #1
DRV
MAK
FU1
Group
I/O
FU2

17. iG5 Series Operation #2 LG VFD DRV Group
Digital Frequency / Output Frequency
Acc Time
Dec Time
Run Stop Mode, Frequency Mode
Speed 1,2,3
Output Current, RPM Display,DC Link Voltage
Select User Define (Output Voltage/Output Power/Output Torque)
Fault State

18. iS5 Series Main Feature #1 LG VFD General Inverter
kW , 3Φ 200 / 400 Voltage Class
Sensorless Vector Control
150% Torque at 0.5Hz
CE, UL, cUL Listed
Digital MMI (LED, LCD Keypad)
Trip-less Operation
IP20
Option : DeviceNet, F-Net Card
Various Functions and stable Operation

19. iS5 Series Main Feature #2 LG VFD Easy to use
LCD Keypad : Alphanumeric LCD display (16 x 2 ),
9 functional keys
7-segment Keypad : 6 digit LED display,
4 keys and 1 encoder
Simple parameter setting and monitoring

20. iS5 Series Main Feature #3 LG VFD Sensorless Vector Control
Auto Tuning
Programmable Input/Output
8 Multi Step speed
8 Multi Step Acc/Dec Time
3 Wire , Up-Down Operation

21. iS5 Series Main Feature #4 LG VFD PID Control Auto Torque Boost
Min/Optimum Acc/Dec
Carrier Frequency : 1kHz ~ 15kHz
Slip compensation
Automatic retry
Parameter lock ,copy

22. iS5 Series Protective Functions LG VFD
Over Current, Over Voltage, Over Load
Inverter Over Heat, ETH(Motor Thermal)
Lower Voltage, Input Phase Loss, Output Phase Loss
External Trip, Fuse Open, Option Error, Ground Fault
Protection of short through
Run Operation at Frequency command Loss
Stall Prevention

23. iS5 Series Options LG VFD RS485 Modbus-RTU F-net Device-net
Profibus-DP
Digital Input 12 bit
Sub-A,B,C
DB Unit
DB Resistor
Remote Cable (2,3,5 m)
LCD, 7-segment Keypad

24. iS5 Series F-Net (Option) LG VFD F-net with LG PLC only
Up to 64 nodes/Bus
256 byte Data Size
Comm. Speed : 1Mbps
Max. Length : 750m

25. iS5 Series Device-Net (Option) LG VFD Open Protocol Maximum 64 Nodes
125 kpbs / 250 kbps / 500kbps
100m / 250m / 500m
Device-Net (Option)
LGIS is a member of
*ODVA : Open DeviceNet Venders Association

26. iS5 Series Sub Board (Option) LG VFD Control PCB Sub - A
(I/O Expansion)
Sub - A
3 Multi Function Input, 3 Multi Function Output
1 Analog Input (V2), LM Output (0~10V)
Sub - B
Encoder Input (Sensored Vector,PG)
Frequency Command by Pulse Train (0 ~100 kHz)
Sub-C (Isolation)
3 Multi Function Input, 1 Multi Function Output
1 Analog Input(V2) , 2 Analog Output(AM1,AM2)
Control PCB

27. Option(Fnet,FieldBus)
iS5 Series
LG VFD
SMPS &
DC link
Current R S T U V W B1 B2 C FM G
30C
30B
30A I 5G V1 VR IM
Gate Driver
TMS320c240
PWM Generator
A/D Converter
Protection
Programmable I/O
Keypad (RS232/RS485)
DB R.
0 ~ +10V
0 ~ 20mA
3Phase
50~60 Hz
200~230 V
380~460 V FX RX BX
RST
JOG CM
ROM(16+32kW)
RAM(544+32kW)
Decoder
I/O
Aux1
Aux2
Keypad
Fuse
Option(Fnet,FieldBus) E
Sub (Expansion I/O)
PIM N
P1 P2
M/C
DC Reactor P1 P2 P3
Block Diagram

28. iS5 Series
LG VFD
Block Diagram

29. iS5 Series Dimension LG VFD - 0.75 ~ 3.7kW (200 / 400Volts)
W 150mm - H 284mm - D 157mm
- 5.5 ~ 7.5kW (200 / 400Volts)
W 200mm - H 355mm - D 183mm
- 11 ~ 15kW (200 / 400Volts)
W 250mm - H 385mm - D 201mm
~ 22kW (200 / 400Volts)
W 304mm - H 460mm - D 234mm

30. iS5 Series
LG VFD
Torque - Speed Characteristic

31. iS5 Series PID Control LG VFD Flow and Pressure Control
Automatic Leveling Control
Temperature Control
Speed Control
iS5 IM
Reference +
PID
Controller
Sensor
Feedback -
Level signal : 4 ~ 20mA or 0 ~ 10V

32. iS5 Series High Precision of Sensorless Vector Control LG VFD
No Load Current at 0.5Hz

33. iS5 Series Parameter Auto Tuning LG VFD Rs, Rr , Lsigma
High Torque Performance at Low Speed
Optimum operation at Overall Speed
Auto tuning
- Difficult to measure Motor
Parameters
- Low Torque at Low Speed
- Speed down at Load Variation
- Need Expert
- Easy to use
- Measure Motor Parameter
- High Torque at Low Speed
- Optimum Motor Control
Result
Traditional

34. iS5 Series Operation #1 LG VFD DRV FU1 MAK FU2 Group APP I/O COM
Option Board
EXT
Sub Board

35. iH Series Main Feature #1 LG VFD General Inverter
kW (200 Volts) , kW (400 Volts)
Space Vector PWM
Easy Operation (LCD Loader)
Multi Function Input/Output
Comm. Option : RS485,F-net,DeviceNet etc.

36. iH Series Main Feature #2 LG VFD Programmable Input/Output
8 Multi Speed
8 Multi Acc/Dec Time
3 Wire, Up-Down Operation
PI Control
Auto Torque Boost
Restart after IPF
Utility-Inverter Exchange Operation
Carrier Frequency : 2kHz ~ 10kHz

37. iH Series Protective Function LG VFD
Over Current, Over Voltage, Over Load
Inverter Over Heat, ETH (Motor Thermal)
Lower Voltage, Ground Fault
External Trip, Fuse Open, Option Error,
Protection of short through
Stall Prevention

38. iH Series Multi-Motor Control Application LG VFD PI Control - Bypass
Process Control
Automatic Exchange Operation