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Portable Generator
LG Electronics
C Series
manual
Control block diagram
Models:
C Series
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Troubleshooting
Specification
Install
Control block diagram
External trip signal
Password
Factory Unit Defaults
Wiring
Dimension
Basic configuration
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Image 57
Chapter 8. Control block diagram
CHAPTER 8 - Control block diagram
Motor
PWM
V/F control
Accel/Decel
Frequency
setting
Drive mode
57
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Contents
Installation, Operation Maintenance Manual
Safety Instructions
Operating Precautions
Page
Important User Information
Table of Contents
Basic operation
Declaration of Conformity
Basic information and precautions
Basic information & precautions
Product Details
Removal and reinstallation
Power Terminals name is labeled here
Installation precautions
Installation
Air flow
Dimensions
Installation 5, 2.2 kW 2~3HP
Wiring
Wiring
Specifications for power terminal block wiring
Model
I/O terminal block specification
PNP/NPN selection and connector for communication option
Wiring
Connection of peripheral devices to the inverter
Basic configuration
Recommendable AC/DC Reactor
Elblg
Programming keypad
Programming Keypad Keypad features
Display
Keys
Alpha-numeric view on the LED keypad
There are 4 different parameter groups as shown below
Moving to other groups
How to move to other groups at the 1st code of each group
Code change in Drive group
How to change the codes in a group
For changing code from any codes other than F
Changing parameter value in Drive group
Parameter setting method
Drive group
Changing parameter values in Function 1, 2 and I/O group
Monitoring of operation status
Programming keypad
How to monitor fault condition in Drive group
Function Group
Programming keypad
Basic operation
Frequency Setting and Basic Operation
Apply AC input power to the inverter
When 0.0 is displayed, press the Up S key three times
Basic operation
Function list
Function list
Function group
Parameter Min/Max Description Factory Adjustable Display
12-2
Frequency low Limit H14 Skip
H20
⎛ rpm ⋅ P ⎞
RPM = ⎜
FFF
Group
BIT4 BIT3 BIT2 BIT1 BIT0
FDT-1
I60 Inverter This parameter is set when the inverter
Function list
Control block diagram
Control block diagram
Mode setting
Block diagram
Frequency
Control
Chapter
Frequency mode
Basic functions
Basic Functions
Drive Frequency Command Group
Frequency Setting via Analog Current Input 0-20mA
Basic functions
Group LED Display Parameter Name
Freq. setting Run command
I22 Multi-function Input
Multi-Step frequency setting
Drv Drive mode
Run Command setting
Set Value Min/Max Factory Unit Range Defaults
Disable
Forward/Reverse Run
Power On Start select
Restart after fault reset
Factory Unit Defaults
Accel/Decel time and unit setting
For Accel/Decel Min/Max Range
H70 Frequency Reference
Multi-Accel/Decel time setting via Multi-function terminals
End side Min/Max Set value Unit
Start side Group H18 Curve
Linear
~100
Freq Run Command
V/F control
F30 Pattern Min/Max Range
Square V/F operation Group LED Display Parameter Name Set
Stop mode select
Freq, Voltage Run command
Frequency limit setting
F24 Frequency High/Low
Limit select
H10 Skip frequency select
Advanced functions DC brake
Advanced functions
Voltage P3 Run Command F12
Jog operation
Select terminals for Up-Down operation among P1 thru P5
Up-Down operation
10.4 3-Wire Operation
Function Dwell frequency Group Dwell time Min/Max Range
Dwell operation
Slip compensation
H40 Control mode select
RPM
PID Control
PID control block diagram
H41 Auto tuning
Auto tuning
Sensorless vector control
Energy-saving operation
Current F40
Speed Search
H22 Speed Search Select
Min/Max Range
Advanced functions
Auto restart try
Carrier frequency select
Range Defaults Function H39 Carrier Frequency Group Select
Second motor operation
I24 Multi-function Input Terminal P5 define
Parameter Name Min/Max Factory Display Range Default
Parameter initialize & Lock
H93 Parameter initialize
FFF
Range Defaults Function H95 Parameter lock
Group H94 Password Register
Parameter Name Set Min/Max Factory Unit Display
Advanced functions
Monitoring Operating status monitoring
Monitoring
User display select
Default Group I26 Output terminal status Display
Default Group I25 Input terminal status Display
Default Drive NOn Fault Display Group
Analog Output
~ 10Vdc
Multi-function output terminal MO and Relay 30AC
I56 Fault relay
I54 Output terminal
Select I55 Multi-function
Parameter Name Set
Default Group I53 Frequency Detection 400 10.0 Bandwidth
Factory Unit Default 30.0 10.0
Description Set Display
Group I52 Frequency Detection Level I53 Bandwidth
It cannot be set above F21- Max Frequency
During stop Activated during stop
Electronic Thermal
Protective functions
Overload Warning and trip
Factory Unit Default
Parameter Name Set Display
F56 Overload trip select
F59 Stall prevention select F60 Stall prevention level
Stall prevention
Freq
Output phase loss protection
I23 I24
External trip signal
Frequency command loss
Min/Max Range Factory Unit Default
Inverter Overload
Set
Troubleshooting & Maintenance Protective functions
Troubleshooting & Maintenance
FX or RX terminal is on
Avoid damage to Igbt inside the inverter
13.2 Fault Remedy
Protective Cause Remedy Functions
Precautions for maintenance and inspection
Part replacements
Check points
Specifications
Specifications
Load current VS Carrier frequency
Temperature Derating Information
Declaration of Conformity
Technical Standards Applied
EMC Installation Guide
Cerus
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