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Chapter 6 - Troubleshooting Maintenance

6.3

Troubleshooting

Condition

Check Point

The Motor Does Not
Rotate

Main circuit inspection:

Is the input (line) voltage normal? (Is the LED in the inverter is lit?)

Is the motor connected correctly?

Input signal inspection:

Check the operating signal input to the inverter.

Check the forward and the reverse signal input simultaneously to the inverter?

Check the command frequency signal input to the inverter.

Parameter setting inspection:

Is the reverse prevention (FUN 03) function set?

Is the operation mode (FU1N 02) set correctly?

Is the command frequency set to 0?

4) Load inspection:

Is the load too large or is the motor jammed? (Mechanical brake)

5) Other:

Is the alarm displayed on the keypad or is the alarm LED lit? (STOP LED blinks)

The Motor Rotates
in Opposite
Directions

Is the phase sequence of the output terminal U, V, W correct?

Is the starting signal (forward/reverse) connected correctly?

The Difference
Between the
Rotating Speed and
the Reference is
Too Large

Is the frequency reference signal correct? (Check the level of the input signal)

Is the following parameter setting is correct?

Lower Limit Frequency (FUN 27), Upper Limit Frequency (FUN 26), Analog Frequency Gain (FUN
20~23)

Is the input signal line influenced by external noise? (Use a shielded wire)

The Inverter Does
Not Accelerate or
Decelerate
Smoothly

Is the acceleration/deceleration time is set too short a period of time?

Is the load too large?

Is the Torque Boost (FUN 09~10) value is too high that the current limit function and the stall prevention

function do not operate?

The Motor Current
is Too High

Is the load too large?

Is the Torque Boost Value (manual) too high?

The Rotating Speed
Does Not Increase

Is the Upper Limit Frequency (FUN 26) value correct?

Is the load too large?

Is the Torque Boost (FUN 09~10) value too high that the stall prevention function (FUN 45~46) does not

operate?

The Rotating Speed
Oscillates When the
Inverter is
Operating.

Load inspection:

Is the load oscillating?

Input signal inspection:

Is the frequency reference signal oscillating?

Other:

Is the wiring too long when the inverter is using V/F control? (Over 500m)

CAUTION

Risk of Electric Shock

– More than one disconnect switch may be required to de-energize

the equipment before servicing.

Содержание SV030iH-2U

Страница 1: ...after the inverter installation 8 Do not operate the switches with wet hands Doing so may result in electrical shock 9 Electrical shock may occur if the cable insulation is damaged Insure proper moun...

Страница 2: ...tic switch installed in power input circuit 5 Do not modify or alter anything inside inverter 6 CAUTION Motor might not be protected by electronic thermal function of inverter 7 Install noise filter t...

Страница 3: ...6 Operation Method 23 CHAPTER 3 QUICK START PROCEDURES 25 3 1 Operation Using Keypad 26 3 2 Operation Using Control Terminal External Start Stop and Speed Reference 28 3 3 Operation Using Both Keypad...

Страница 4: ...2 APPENDIX A FUNCTIONS BASED ON USE 90 APPENDIX B PARAMETERS BASED ON APPLICATION 91 DECLARATION OF CONFORMITY 92...

Страница 5: ...e Torque FLA A 80 96 115 125 160 Output Ratings Variable Torque kVA 3 52 62 74 80 103 Input Voltage 3 Phase 380 to 400 V 10 Input Ratings Input Frequency 50 to 60 Hz 5 Weight kg lbs 45 99 45 99 63 139...

Страница 6: ...99 45 99 63 139 63 139 68 150 440 460V Class 125 300HP Model Number SV090iH 4U SV110iH 4U SV132iH 4U SV160iH 4U SV220iH 4U Constant Torque HP 125 150 200 250 300 Constant Torque kW 90 110 132 160 220...

Страница 7: ...Stalling Over Voltage Under Voltage Inverter Overheat Run Stop Constant Speed Speed Searching Operating Start Signal Forward Reverse Programmable Input 6 Programmable Inputs Programmable Output 5 Prog...

Страница 8: ...nting location Ambient temperature should not be below 14 F 10 C or exceed 104 F 40 C Relative humidity should be less than 90 non condensing Altitude should be below 3 300ft 1 000m Do not mount the i...

Страница 9: ...er in high temperature or high humidity locations Do not install the inverter in a location where oil mist combustible gas or dust is present Install the inverter in a clean location or in an enclosed...

Страница 10: ...Chapter 1 Installation 8 1 5 Dimensions 1 5 1 200V 230V Class Unit mm inch VARIABLE FREQUENCY DRIVE VARIABLE FREQUENCY DRIVE SV030iH 2U SV037iH 2U SV045iH 2U SV055iH 2U...

Страница 11: ...fety instructions before installation or operation CAUTION VARIABLE FREQUENCY DRIVE de energize the equipment before servicing Risk of Electric Shock More than one disconnect switch is required to bus...

Страница 12: ...Chapter 1 Installation 10 STARVERT iH VARIABLE FREQUENCY DRIVE STARVERT iH VARIABLE FREQUENCY DRIVE STARVERT IH STARVERT IH SV090iH 4U SV110iH 4U SV132iH 4U SV160iH 4U...

Страница 13: ...Chapter 1 Installation 11 STARVERT iH VARIABLE FREQUENCY DRIVE STARVERT IH SV132iH 4U SV160iH 4U...

Страница 14: ...Speed signal input 4 20mA 250ohm Common for VR V1 I Output Voltage Current Meter 0 10V pulse Fault output relay lless than AC250V 1A lless than DC30V 1A Multi function output relay1 lless than AC250V...

Страница 15: ...380 460VAC Suitable for use on a circuit capable of delivering not more than 10 000 rms symmetrical amperes 240 volts maximum for 230V class models and 480 volts maximum for 460V class models 1 7 1 Po...

Страница 16: ...pe C Dynamic Braking Unit DC Bus Choke Installation WARNING Normal stray capacitance between the inverter chassis and the power devices inside the inverter and AC line can provide a high impedance sho...

Страница 17: ...equipment near the inverter To reduce noise install line noise filters on the input side of the inverter Do not use power factor capacitor surge killers or RFI filters on the output side of the invert...

Страница 18: ...onnecting it to the U V and W terminals causes internal damages to the inverter Arranging the phase sequence is not necessary Motor should be connected to the U V and W terminals If the forward comman...

Страница 19: ...4 20mA Input Frequency Reference Input Resistance is 250 O Input signal Analog Frequency Setting CM Frequency Setting Common Terminal Common Terminal for Analog Frequency Setting FM Frequency Output...

Страница 20: ...ircuits and other high voltage circuits Use 1 25mm 22AWG stranded cables for control terminal connection n Control Circuit Terminal The control input terminal of the control circuit is ON when the cir...

Страница 21: ...ypad Upper Left Corner Description Drive Group DRV Command Frequency Accel Decel Time Etc Basic Parameters Function Group FUN Maximum Frequency Amount of Torque Boost Etc Basic Related Parameters Inpu...

Страница 22: ...s are used to move through and change data The Reverse Run Button blinks when the drive Accels or Decels The Program Button is used to go into programming mode to change data The Enter Button is used...

Страница 23: ...45 50Hz Press PROG key and the cursor appears on the lowest digit Press LEFT key once to move digit Press UP key 5 times Press SHIFT key once to shift the cursor to next digit Press UP key 5 times Pr...

Страница 24: ...Manual K K 00 FWD 60 00 Hz FUN Jump Code 00 41 I O Jump Code 00 1 MODE MODE MODE DRV Acc time 01 30 0 sec DRV Dec time 02 30 0 sec DRV Current 03 x x A DRV Speed 04 xxxrpm DRV Power 05 57 5kW MODE MO...

Страница 25: ...Stop is performed by the keypad Frequency reference is set through the V1 or I terminal FUN 01 Terminal FUN 02 Key Operation using both Keypad and Control Terminals Closing FX or RX terminal performs...

Страница 26: ...Chapter 2 Operation 24 Blank Page...

Страница 27: ...ntrol with other controllers it is recommended the user become familiar with all parameters and features of the inverter before applying AC power 1 Mounting the inverter mount the inverter as describe...

Страница 28: ...ct Key then press the ENTER key 7 Press UP arrow key to display FUN 02 8 Press PROG key to enter into the program mode 9 Using arrow keys select Key then press the ENTER key 10 Press the MODE key repe...

Страница 29: ...ss the UP arrow key to display DRV 02 Change the Deceleration time by pressing the PROG arrow and ENTER keys 14 Press the FWD key to run motor in the forward direction 15 Press the REV key to run moto...

Страница 30: ...tiometer Make sure to observe the set value in DRV 00 5 When a 4 20mA current source is used as the frequency reference use terminal I and CM Select I in FUN 20 to control the speed by the current sou...

Страница 31: ...Chapter 3 Quick Start Procedures 29 FUN 02 Terminal 1 Operation FUN 02 Terminal 2 Operation Time FX CM Output Frequency Time ON Time RX CM ON Time FX CM Output Frequency Time Time RX CM ON ON...

Страница 32: ...he potentiometer Make sure to observe the set value in DRV 00 5 When a 4 20mA current source is used as the frequency reference use terminals I and CM Select I in FUN 20 to control the speed by the cu...

Страница 33: ...r Terminal 2 in FUN 02 3 Set a frequency reference in DRV 00 4 To run the motor in the forward direction close the FX terminal to the CM terminal 5 To run the motor in the forward direction close the...

Страница 34: ...Chapter 3 Quick Start Procedures 32 Blank Page...

Страница 35: ...Factory Default Adj During Run Page 00 Jump to Desired Code Jump Code 1 to 98 1 41 Yes 43 01 Frequency Setting Mode Freq set Key Terminal Remote Key No 43 02 Run Stop Mode Selection Run stop set Key...

Страница 36: ...rection Analog dir Direct Invert Direct Yes 50 25 Frequency Limit Selection Freq limit No Yes No No 52 26 Frequency High Limit Selection F limit high 0 to FUN 04 0 01 60 00 Hz No 52 27 Frequency Low L...

Страница 37: ...load Warning Hold Time OL time 1 to 30 sec 1 10 sec Yes 57 CT 30 to 200 sec 1 160 Yes 49 Over Current Trip Limit Level OC lim level VT 30 to 150 sec 1 110 Yes 57 50 Over Current Limit Time OC lim Time...

Страница 38: ...or Direction PI error dir Direct Invert Direct No 61 72 PI Control Bypass Regul bypass No Yes No No 61 944 CT VT Selection CT VT Constant Trq Variable Trq Constant Trq No 62 95 Read Parameters into Ke...

Страница 39: ...69 10 Multi function Output 4 Aux 1 Relay term AUX1 output COMM No 69 11 Multi function Output 5 Aux 2 Relay term AUX2 output FST_LO FST_HI FDT_HI FDT_PULSE FDT_BAND OL STALL LV RUN COMM STEP_L STEP_M...

Страница 40: ...0 1 100 Yes 73 36 FM Meter Output Adjustment 15V Pulse FM adj 0 to 120 1 100 Yes 74 37 IO Meter Output Adjustment 4 to 20mA DAC adj 0 to 120 1 100 Yes 74 38 Frequency Steady Level FST freq 0 to FUN 04...

Страница 41: ...G P Gain 0 to 225 1 1 Yes 77 55 PG I Gain for PG Option PG I Gain 0 to 225 1 1 Yes 77 56 PG Filter Gain for PG Option PG F Gain 0 to 225 1 100 Yes 77 57 Encoder Selection for PG Option Enc pulse 100 5...

Страница 42: ...Chapter 4 Parameter List 40 Blank Page...

Страница 43: ...en accelerating or decelerating When FUN 04 is set to Maximum Frequency the acceleration time is the time taken by the motor to reach FUN 04 from 0 Hz The deceleration time is the time taken by the mo...

Страница 44: ...fault item Display Fault Remark OC Trip Over Current Latch OV Trip Over Voltage Latch EXT Trip External Trip Latch BX Inverter Disable Unlatch LV Trip Low Voltage Unlatch Fuse Open Fuse Blown Latch GF...

Страница 45: ...r a 4 20mA current signal Remote The target frequency is controlled and established using Option Board n Note Analog input may be fine tuned when controlling the target frequency through the Terminal...

Страница 46: ...fore exceeding the base speed of the motor FUN 05 Base Frequency Set Point FUN Freq base 05 60 00 Hz Setting Range 40 to FUN 04 Freq max Factory Default 60 00 Hz This function selects the output frequ...

Страница 47: ...ant torque is required It maintains a linear volts hertz ratio from zero to base frequency This pattern is appropriate for conveyer parking facility etc 2 0 pattern is used where variable torque is re...

Страница 48: ...voltage to the motor at low speeds for a higher V F ratio loads that require higher than normal starting torque n Note If the torque boost is set higher than needed it is possible to over flux or satu...

Страница 49: ...longer about 10 than the acceleration and deceleration time set in DRV 01 02 Acc Dec Pattern S Curve U Curve This pattern provides more efficient control of acceleration and deceleration in the applic...

Страница 50: ...Selection FUN Stop mode 15 Decel Setting Range Decel DCBR Free Run Factory Default Decel This function is used to select stopping mode of the motor Decel Deceleration Inverter stops be the deceleratio...

Страница 51: ...I mode 20 V1 Setting Range V1 I V1 I V2 Factory Default V1 This function is used to set the analog speed command Use this function when operating from the terminal strip When using 0 10VDC 4 20mA inpu...

Страница 52: ...ory Default 50 This function establishes the response value of the analog speed reference For a faster response set the gain lower and vice versa FUN Analog gain 22 100 Setting Range 50 to 250 Factory...

Страница 53: ...ates an inverted linear relationship between the analog input reference and the analog speed command 0 10V signal or 4 20mA signal Direct The output frequency is directly proportional to the analog si...

Страница 54: ...the output frequency follows the normal acceleration and deceleration rates FUN 28 Frequency Jump Selection FUN 29 Frequency Jump 1 FUN 30 Frequency Jump 2 FUN 31 Frequency Jump 3 FUN 32 Frequency Jum...

Страница 55: ...ge 0 5 to 5 sec Factory Default 2 0sec FUN DC br time 35 0 5 sec Setting Range 0 1 to 25 sec Factory Default 0 5sec FUN DC br value 36 1 Setting Range 1 to 20 Factory Default 1 The DC injection brakin...

Страница 56: ...tting Range 0 1 to 300A Factory Default 4 0A This function is used to maintain the motor speed constantly To keep the motor speed constant the output frequency varies within the limit of slip frequenc...

Страница 57: ...number decreases to 0 by faults When the retry number is set to 0 by default the relay operates at any faults except at under voltage and BX inverter disable fault All Trips The output relay operates...

Страница 58: ...to its command frequency Dec During deceleration when the output current of the inverter reaches the stall prevention level the drive reduces its output frequency When the current reduces below the st...

Страница 59: ...ed a multi output signal may be turned on For example define multi output OC1 in I O 07 09 OC1 Output to OL The multi output is open collector 24V DC 50mA Overload Warning FUN 49 Over Current Limit Tr...

Страница 60: ...ot the motor is overheated Inverter will turn off its output and display a trip message when the electronic thermal feature is activated FUN 51 activates the ETH parameters by setting Yes FUN 52 estab...

Страница 61: ...ry Default 5sec FUN ss dec time 57 10 0sec Setting Range 0 1 to 600sec Factory Default 10sec FUN ss gain 58 100 Setting Range 0 to 200 Factory Default 100 These functions are used to permit automatic...

Страница 62: ...g notice to minimize the potential for injury or equipment damage Reset Restart No Reset Restart Yes FUN 60 Restart After Power On Selection FUN Power on st 60 No Setting Range No Yes Factory Default...

Страница 63: ...al Selection FUN 66 PI Feedback Filtering Gain FUN 67 PI Feedback Gain FUN 68 PI Feedback Bias FUN 69 PI Feedback Direction FUN 70 I Term Scale FUN 71 PI Error Direction FUN 72 PI Control Bypass For H...

Страница 64: ...e direction of feedback signal FUN I_term scale 70 100 Setting Range 0 to 100 Factory Default 100 Used to scale FUN 64 FUN PI error dir 71 Direct Setting Range Direct Invert Factory Default Direct Use...

Страница 65: ...t 97 No Setting Range No Yes Factory Default No This parameter returns all of the inverter parameters to their original settings n Note Initializing the parameters to factory default settings also ini...

Страница 66: ...Chapter 5 Parameter Description Function Group 64...

Страница 67: ...Chapter 5 Parameter Description Function Group 65 Blank Page...

Страница 68: ...em Setting Range Description SPD_L SPD_M SPD_H Multi Step Speed via P1 P6 JOG Jog ACCT_L ACCT_M ACCT_H Multi Accel Decel Time Select UP Increase Drive Output Frequency DOWN Decrease Drive Output Frequ...

Страница 69: ...4 Time 5 Time 6 Time 7 ACCT_L 0 1 0 1 0 1 0 1 ACCT_M 0 0 1 1 0 0 1 1 ACCT_H 0 0 0 0 1 1 1 1 0 OFF 1 ON The Time 0 Accel Decel time is configured by DRV 01 02 and selected when no Accel Decel input te...

Страница 70: ...P3 P4 P5 P6 CM E VR V1 I CM LM FM CM LM A B C 1A 1B Output Frequency Meter 0 10V pulse 2 OC1 OC2 OC3 EG P2 MOTOR Shielded sheath connection Potentiometer 10 kohm Speed signal Input 3 Common for FM LM...

Страница 71: ...terminal is set to EXT_TRIP and the contact input opens the inverter displays the fault and cuts off its output This can be used as an external latch trip The inverter will decelerate as configured in...

Страница 72: ...via the multi function output terminals whenever its output frequency is below the value in I O 38 OC1 Configured as FST LO FST_HI The inverter can generate an output signal via the multi function out...

Страница 73: ...tput current is above the overload warning level set in FUN 47 OL level for overload duration time set in FUN 48 OL time the inverter can generate an output signal via the multi function output termin...

Страница 74: ...n output signal via the multi function output terminals STEP_L STEP_M STEP_H The inverter can generate an output signal via the multi function output terminals for monitoring STEP commands The output...

Страница 75: ...ime 1 20 1 0sec I O Dec time 1 21 1 0sec I O Acc time 7 32 7 0sec I O Dec time 7 33 7 0sec Setting Range 0 to 6000sec Up to 7 preset Accel Decel times may be selected in I O 20 through I O 33 See mult...

Страница 76: ...ter Adjustment 4 20mA I O IO adj 37 100 Setting Range 0 to 120 Factory Default 100 IO meter displays the inverter s output frequency as a current signal on the IO terminal The current signal is 4 20mA...

Страница 77: ...nd AUX2 2A 2B output terminals Input Terminal Status P6 P5 P4 P3 P2 P1 X X RX FX 1 0 0 0 0 0 0 0 0 1 0 OFF 1 ON Output Terminal Status AUX2 AUX1 OC3 OC2 OC1 1 0 0 0 1 0 OFF 1 ON I O 45 Software Versio...

Страница 78: ...ocbus RTU protocol For more detailed information see Modbus RTU option manual Fnet This option card allows communication between the inverter and LG GLOFA PLC using exclusive protocol For more detaile...

Страница 79: ...in 55 30 Setting Range 0 to 255 Factory Default 30 I O 55 establishes the integral gain when using the PG option card I O 56 PG Filter Gain I O PG F Gain 56 100 Setting Range 0 to 255 Factory Default...

Страница 80: ...card I O 60 Analog Output Adjustment I O DA adj 60 100 Setting Range 80 to 120 Factory Default 100 I O 60 calibrates the 4 20mA output signal when using DI_DA option card I O 61 Inverter Number for F...

Страница 81: ...Chapter 5 Parameter Description I O Group 79 Blank Page...

Страница 82: ...nverter turns off its output if the heat sink over heats due to a damaged cooling fan or an alien substance in the cooling fan by detecting the temperature of the heat sink ETH Electronic Thermal The...

Страница 83: ...ves damages on many occasions when Fuse Open Trip occurs Heat Sink Overheat 1 Cooling fan damaged or an alien substance inserted 2 Cooling system has faults 3 Ambient temperature high 1 Exchange cooli...

Страница 84: ...nal correct Check the level of the input signal Is the following parameter setting is correct Lower Limit Frequency FUN 27 Upper Limit Frequency FUN 26 Analog Frequency Gain FUN 20 23 Is the input sig...

Страница 85: ...UN 02 set to Terminal 1 or 2 No FUN 01 Set to Key Check FX RX Terminal Input Yes FUN 01 Set to Terminal No Freq Set in DRV 00 Yes Voltage Output at U V W Yes Check Output Wiring and Motor Yes Command...

Страница 86: ...ump Freq and Bandwidth in FUN 28 32 FUN 01 Set to Key No FUN 01 Set to Terminal No Yes Acc Dec Time Long Stall Prevention Selected in FUN 45 Yes Inverter Trouble Yes Stall Prevention Level correct Ana...

Страница 87: ...t Run Smoothly Acc Dec Time Short in DRV01 02 No Increase Acc Dec Time Yes Starting Frequency High FUN 06 Lower Starting Frequency Analog Input Noise No Yes U V W Volatge Balanced No Inverter Trouble...

Страница 88: ...Motor Overheats V F Pattern Correct FUN08 No Change V F Pattern Yes Does Motor Run at Low Speed Use External Cooling Load Too Heavy No Yes Ouput Voltage Current Balanced No Inverter Trouble Check Mot...

Страница 89: ...P1 50 k ohms or more R S T N 50 k ohms or more n Charge Resistor Check Check Point Resistance Contactor terminals Resistance depending on models n DB Dynamic Braking IGBT Option Check Point Resistance...

Страница 90: ...2 Routine Inspection Be sure to check the following before operation n The conditions of the installation location n The conditions of the drive cooling n Abnormal vibration n Abnormal heating 6 5 3...

Страница 91: ...citance measuring device No fault Over 85 of the rated capacity Capacitance Measuring Device Relay Is there any chattering noise during operation Is there any damage to the contact Auditory check Visu...

Страница 92: ...Overheat Protection FUN 51 53 Electronic Thermal FUN 38 40 Rated Motor Multi Step Operation I O 01 06 Define the Multi Function Input Terminals I O 12 19 Jog Multi Step Frequency FUN 25 27 Frequency U...

Страница 93: ...to set the stall prevention function FUN 45 46 When you want to prevent the resonance from the oscillating characteristics of a machine FUN 28 31 When you want to start the inverter as soon as the po...

Страница 94: ...8 1993 Type of Equipment Inverter Power Conversion Equipment Model Name SV iH Series Trade Mark LG Industrial Systems Co Ltd Representative LG International Deutschland GmbH Address Lyoner Strasse 15...

Страница 95: ...magnetic compatibility EMC Part 4 Testing and measurement techniques Section 2 Electrostatic discharge immunity test Basic EMC Publication IEC 1000 4 2 1995 ENV 50140 1993 Electromagnetic compatibilit...

Страница 96: ...osely as possible to the incoming mains supply of the wiring enclousure usually directly after the enclousures circuit breaker or supply switch 3 The back panel of the wiring cabinet of board should b...

Страница 97: ...05 560 x 170 FS 4 LGSV055iH 2 55kW FE T280 2 280A 250VAC 1 3A 150A 580 x 250 x 205 560 x 170 FS 4 LGSV030iH 4 30kW FE T070 2 70A 380VAC 1 3A 150A 350 x 180 x 90 338 x 146 FS 3 LGSV037iH 4 37kW FE T100...

Страница 98: ...ers Barcelona SPAIN ESPA A Tel 34 93 861 14 60 Fax 34 93 879 26 64 E mail info lifasa com vsd lifasa es http www lifasa com T IPO D W H X O F S 1 2 1 8 5 4 6 7 0 5 F S 2 28 5 1 0 5 6 2 9 0 5 F S 3 4 8...

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