L&T Electrical & Automation Lx2000

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User Manual

Variable Frequency Drive

2.2-45 kW (230V, 415V)

Read this manual carefully before installation, wiring, operating,

servicing or inspecting this equipment. Keep this manual within easy

reach for quick reference.

Main Page

Table of Contents8
Chapter1 Introduction15
Key Features15
Inverter Nameplate and Model15
Chapter 2 Specification16
Standard Specification16
Common Specification17
Chapter 3 Installation and Wiring18
Caution on Installation18
Basic Wiring20
Power Circuit Terminal23
Control Board and Terminal27
Control Circuit Terminal Arrangement27
Control Circuit Terminal Function des27
Wiring the Control Circuit Terminal30
Caution on Wiring Pulse Encoder30
Encoder Wiring and Switch Setting Method (+15V Complementary/Open Collector Type)31
Encoder Wiring and Switch Setting Method (+5V Line Drive)31
Terminal of the Auxiliary Power Supply33
Chapter 4 Trial Operation34
Keypad Operation34
Keypad LCD Display35
Setting of Parameter Values36
Data Group37
Auto-Tuning39
Motor & Encoder Parameter Setting for Auto-Tuning39
Rotational Auto-Tuning40
Standstill Auto Tuning42
Pulse Encoder Check43
Operation by Keypad44
Operation by Control Terminal45
Chapter 5 Function Code Table50
Display Group (DIS_[][])50
Digital DIO Group (DIO_[][])51
Parameter Group (PAR_[][])53
Function Group (FUN_[][])55
Control Group (CON_[][])56
User Group (USR_[][])57
Option Group (EXT_[][])58
Sensorless Control Group ( SLS_[])64
Chapter 6 Function Description66
Display Group (DIS_[][])66
Dis_00(Motor Control Status Monitoring)66
DIS_01 ~ 03 (User Display 1, 2, 3)66
Dis_05(Fault Display)68
Dis_06(User Group Display Selection)69
DIO Group (DIO_[][])69
Jump Code (DIO_00)69
Multi-Function Input Terminal70
DIO_01 ~ DIO_07(Multi-Function Input Terminal P1 ~ P7 Define)70
Dio_08(Reversal of Multi-Function Input Terminal)78
DIO_09 (Low Pass Filter Time Constant for the Terminals)78
Multi-Function Digital Output Terminal78
DIO_10 Inversion of Multi-Function aux Contact Output (Relay Output, Open Collector Output)78
DIO_46 (Fault Output Relay (30A, 30B, 30C))84
DIO_59 ~ 61 (Overload Trip Enable, Level, Time)85
Dio_97(Operation Method When Losing Command)85
Parameter Group (PAR_[][])86
Jump Code (PAR_00)86
Parameter Group Function86
Par_01(Parameter Initialize)86
PAR_02 ~ 03(All Parameter Read/Write)86
Par_04(Parameter Lock)87
PAR_05 Password87
Motor Parameters Setting88
Par_08(Motor Cap. Selection of User)88
Par_09(Motor Cooling Method)88
Encoder S/W Error Detection (PAR_14 ~ 15)89
Auto-Tuning91
Motor and Encoder Parameters Setting for Auto-Tuning91
Rotational Auto-Tuning92
Standstill Auto-Tuning94
Motor Parameters95
Auto Tuning Error Message96
Function Group (FUN_[][])98
Jump Code (FUN_00)98
Operating Method Select98
FUN_01(RUN/STOP Source Select)98
Fun_02(Speed Setting Method)99
Fun_03(Stop Method)99
Motor Max Speed Setting (FUN_04)99
Multi-Step Speed and Dwell Speed Setting Methods100
Fun_12~19(Multi-Step Speed 0~7)100
FUN_20(JOG Speed Command)100
Fun_21(Dwell Speed), FUN_22(Dwell Time)100
Accel/Decel Pattern and Time Selection101
Fun_33(Accel/Decel Reference Speed)101
FUN_36 ~ 39(S Curve Ratio During Accel/Decel 1 ~ 2)102
Fun_52(Decel Time When BX Is ON)104
FUN_53 (Pre-Excitation)105
Fun_54(Hold Time)105
Electronic Thermal Selection106
Inverter Switching Frequency Select107
Fun_58(Inverter Switching Frequency Select)107
Setting Range and Factory Setting of Switching Frequency107
Power on Start Selection (FUN_59)108
Restart after Fault Reset (FUN_60)108
Restart after Fault Reset (FUN_60)109
Wait Time for Restart Upon Stop110
Overspeed Error Detection110
Brake Opening and Closing Setting111
Battery-Operated (Battery Run) Speed and Input Voltage Setting113
Control Group (CON_[][])116
Jump Code (CON_00)116
Control Mode Select (CON_01)116
Application Mode (CON_02)116
CON_03~04(ASR PI Gain 1)117
CON_06~07(ASR PI Gain 2)117
Con_09(Ramp Time for ASR Gain Transfer)117
Torque Control119
Con_31(Torque Reference Source Selection)119
Con_32(Torque Reference Source)119
Con_40(Torque Balance)120
Torque Bias Enable/Disable120
Con_39(Torque Bias F/F)120
CON_33 ~ 36 (Torque Limit Define, Torque Limit During FWD RUN /REV Run/Regenerating)120
Torque Current Reference121
Macro123
USR_01 Macro Init123
Usr_02(User Save)123
USR_03 User Recall124
User Code Define (USR_04 ~ 67)124
Analog AIO Group (AIO_[][])126
Jump Code (AIO_[][])126
Multi-Function Analog Input126
Adjusting Bias: out Y1 and Gain: out Y2 by Loader129
Criterion for Command Loss of Multi Analog Input Ai1 (AIO_1)130
Time out for Command Loss of Multi-Function Analog Input (AIO_73 Time Out)132
Analog Output133
Aio_74 ~ 87133
Adjusting Gain and Bias by Keypad134
Communication Functions138
Chapter 8 Inspection and Replacement156
Precautions156
Checking Points156
Routine Checking157
Regular Checking (1 Year Interval)159
Regular Checking (2 Year Interval)162
Meggar Test162
Replacement Interval and Maintenance of the Key Components163
How to Check at Diode Module & IGBT Inspection164
Chapter 9 Troubleshooting and Maintenance166
Fault Display166
Monitoring Fault Condition167
Fault Reset168
Fault Remedy168
Chapter 10 Option Devices176
Encoder Division Option Board176
Encoder Division Option Board Installation and WIRING Guide176
Wiring Guide for Encoder Division Option Board177
Encoder Division Output178
Lx2000 Option Board List179
Chapter 11 Accessories184
AC Input Fuse, AC Reactor, DC Reactor185
The Selection of Braking Resistor and the Unit186

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L&T Electrical & Automation Lx2000 Specifications

General

Brand	L&T Electrical & Automation
Model	Lx2000
Category	DC Drives
Language	English

L&T Electrical & Automation Lx2000 - User Manual

Table of Contents

L&T Electrical & Automation Lx2000 Specifications