Delta VFD-L-I Series User Manual
  1. Manuals
  2. Brands
  3. Delta Manuals
  4. DC Drives
  5. VFD-L-I Series
  6. User manual
Delta VFD-L-I Series User Manual

Delta VFD-L-I Series User Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
PLC1.ir

Advertisement

Table of Contents
loading

Related Manuals for Delta VFD-L-I Series

Summary of Contents for Delta VFD-L-I Series

  • Page 1 PLC1.ir...

  • Page 4: Preface

    Never reassemble internal components or wiring. Never connect the AC motor drive output terminals U/T1, V/T2, and W/T3 directly to the AC mains circuit power supply. VFD-L-I series shall NOT be used for life support equipment or any life safety situation.
  • Page 5 This page intentionally left blank...

  • Page 6: Table Of Contents

    Table of Contents Preface ......................i Table of Contents ...................iii Chapter 1 Introduction .................1-1 1.1 Receiving and Inspection..............1-1 1.1.1 Nameplate Information..............1-1 1.1.2 Model Explanation ..............1-1 1.1.3 Series Number Explanation ............1-2 1.2 Storage ....................1-2 Chapter 2 Installation and Wiring ...............2-1 2.1 Ambient Conditions................
  • Page 7 Chapter 4 Parameters ..................4-1 4.1 Summary of Parameter Settings............4-2 4.2 Description of Parameter Settings ............ 4-10 Chapter 5 Fault Code Information...............5-1 5.1 Common Problems and Solutions ............5-1 Chapter 6 Troubleshooting................6-1 6.1 Over Current (OC) ................6-1 6.2 Over Voltage (OV) ................6-2 6.3 Low Voltage (Lv).................

  • Page 8: Chapter 1 Introduction

    Make sure that the part number indicated on the nameplate corresponds with the part number of your order. There is no built-in digital keypad in the VFD-L-I series. It needs to use optional digital keypad VFD-PU06 or communication method to modify the parameters.

  • Page 9: Series Number Explanation

    Chapter 1 Introduction|VFD-L-I Series 1.1.3 Series Number Explanation 002L21BI Pr oduction number Pr oduction week Pr oduction year 2009 Pr oduction fac tor y (T aoyuan) 230V 1- phas e 0.25HP( 0.2kW ) Model If the nameplate information does not correspond to your purchase order or if there are any problems, please contact your distributor.

  • Page 10: Chapter 2 Installation And Wiring

    Chapter 2 Installation and Wiring 2.1 Ambient Conditions Install the AC motor drive in an environment with the following conditions: Operation Air Temperature: -10 ~ +50°C (14 ~ 122°F) Relative Humidity: <90%, no condensation allowed Atmosphere pressure: 86 ~ 106 kPa Installation Site Altitude: <1000m Vibration:...
  • Page 11 Chapter 2 Installation and Wiring|VFD-L-I Series Mount the AC motor drive vertically on a flat vertical surface by using bolts or screws. Other directions are not allowed. The AC motor drive will generate heat during operation. Allow sufficient space around the unit for heat dissipation.

  • Page 12: Dimensions

    Chapter 2 Installation and Wiring|VFD-L-I Series 2.3 Dimensions (Dimensions are in millimeter and [inch]) Unit: mm [inch] Revision July 2009, SW V1.1...

  • Page 13: Wiring

    Chapter 2 Installation and Wiring|VFD-L-I Series 2.4 Wiring After removing the front cover, check if the power and control terminals are clear of debris. Be sure to observe the following precautions when wiring. 2.4.1 Basic Wiring Make sure that power is only applied to the L1, L2 terminals. Failure to comply may result in damage to the equipment.
  • Page 14 Chapter 2 Installation and Wiring|VFD-L-I Series Main Cir cuit Power MC CB 3-phase induc ti on motor +18V F ac tor y s ettings F WD/ST OP 4. 7KΩ +18V Multi-function indic ation REV/STO P 4. 7KΩ output contac ts...

  • Page 15: External Wiring

    Chapter 2 Installation and Wiring|VFD-L-I Series 2.4.2 External Wiring Power Supply Please follow the specific power Power Supply supply requirements shown in Appendix A No Fuse Breaker or Electricity Leakage Breaker There may be an inrush cur rent during power NFB or ELB up.

  • Page 16: Main Terminals Connections

    Chapter 2 Installation and Wiring|VFD-L-I Series 2.4.3 Main Terminals Connections NOTE: Terminal blocks are the removable terminals M a in s p o we r te r m in a ls L 1 , L 2 W ir e g a u ge : 18 - 1 2 A WG W ir e t yp e : C o pp e r on ly 7 5 C T o r qu e : 4 k gf - cm ( 3 .5 in - lb f)
  • Page 17 Chapter 2 Installation and Wiring|VFD-L-I Series When using a GFCI (Ground Fault Circuit Interrupter), select a current sensor with sensitivity of 200mA, and not less than 0.1-second detection time to avoid nuisance tripping. If the insulation of the control wire is damaged due to some reasons, it may result in the circuit damage or personal injury.

  • Page 18: Control Terminals

    Chapter 2 Installation and Wiring|VFD-L-I Series Make sure that the leads are connected correctly and the AC drive is properly grounded. Use ground leads that comply with local regulations and keep them as short as possible to prevent electric shock or fire.
  • Page 19 Chapter 2 Installation and Wiring|VFD-L-I Series Terminal Factory Settings (NPN mode) Terminal Function Symbol ON: Connect to GND Impedance: 47kΩ Resolution: 10 bits Analog voltage Input Range: 0~10VDC = 0 ~ max. output frequency (Pr.01-00) Selection methods: Pr.02-00, Pr.07-05 Settings: Pr.04-00~Pr.04-03 Multi-function auxiliary input Refer to Pr.04-04 for programming the Multi-...

  • Page 20: Chapter 3 Start Up

    Chapter 3 Start Up 3.1 Preparations before Start-up Carefully check the following items before proceeding. Make sure that the wiring is correct. In particular, check that the output terminals U, V, W are NOT connected to power and that the drive is well grounded. Verify that there are no short-circuits between terminals and from terminals to ground or mains power.
  • Page 21 Chapter 3 Start Up| VFD-L-I Series frequency to about 5Hz with communication method. Setting M0 to be ON for forward running. And if you want to change to reverse running, you should set M1 to be ON. And if you want to decelerate to stop, please set M0/M1 to be OFF.
  • Page 22 Chapter 4 Parameters The VFD-L-I parameters are divided into 10 groups by property for easy setting. In most applications, the user can finish all parameter settings before start-up without the need for re-adjustment during operation. The 10 groups are as follows: Group 0: User Parameters Group 1:...
  • Page 23 Chapter 4 Parameters|VFD-L-I Series 4.1 Summary of Parameter Settings : The parameter can be set during operation. Group 0 User Parameters Factory Explanation Settings NOTE Setting 00-00 Identity Code of the AC Motor Drive 1: Reserved 2: Reserved 3: 200W...
  • Page 24 Chapter 4 Parameters|VFD-L-I Series Factory Explanation Settings NOTE Setting 01-10 Decel Time 1 0.10 to 600.00 Sec 1.00 01-11 Accel Time 2 0.10 to 600.00 Sec 10.00 01-12 Decel Time 2 0.10 to 600.00 Sec 10.00 01-13 Jog Acceleration Time 0.10 to 600.00 Sec...
  • Page 25 Chapter 4 Parameters|VFD-L-I Series Factory Explanation Settings NOTE Setting 0: Disable 02-06 Line Start Lockout 1: Enable Group 3 Output Function Parameters Factory Explanation Settings NOTE Setting 03-00 Desired Frequency Attained 1.00 to 400.00 Hz 1.00 03-01 Terminal Count Value...
  • Page 26 Chapter 4 Parameters|VFD-L-I Series Factory Explanation Settings NOTE Setting 0: No Function 1: M0: FWD/STOP, M1: REV/STOP 2: M0: FWD/REV, M1: RUN/STOP 3: Reserved 4: E.F. External Fault Input (N.O.) 5: E.F. External Fault Input (N.C.) Multi-Function Input Terminal 1 (M0,...
  • Page 27 Chapter 4 Parameters|VFD-L-I Series Factory Explanation Settings NOTE Setting 0: Disable 06-00 Over-Voltage Stall Prevention Level 350 to 410V 0: Disable 06-01 Over-Current Stall Prevention Level 20 to 200% 0: Disabled 1: Enabled during constant speed operation. After the over-torque is detected, keep running.
  • Page 28 Chapter 4 Parameters|VFD-L-I Series Factory Explanation Settings NOTE Setting 0.0 to 10.0 07-03 Slip Compensation 0: No function 1: PID Modulation of Master 07-04 PID Control Mode Selection frequency 2: PID modulation + Master frequency shift 0: Reserved 1: 0 to 10V from AVI...
  • Page 29 Chapter 4 Parameters|VFD-L-I Series Group 8 Special Parameters Factory Explanation Settings NOTE Setting 08-00 DC Braking Voltage Level 0 to 30% 08-01 DC Braking Time during Start-Up 0.0 to 60.0 Sec 08-02 DC Braking time during Stopping 0.0 to 60.0 Sec 08-03 Start-Point for DC Braking 0.0 to 400.0 Hz...
  • Page 30 Chapter 4 Parameters|VFD-L-I Series Factory Explanation Settings NOTE Setting 3: 8,N,2 4: 8,E,1 5: 8,O,1 6: 8,N,2 RTU mode 7: 8,E,1 8: 8,O,1 Revision July 2009, SW V1.1...
  • Page 31 Chapter 4 Parameters|VFD-L-I Series 4.2 Description of Parameter Settings Group 0: User Parameters This parameter can be set during operation. 00-00 Identity Code of the AC Motor Drive Settings Read Only Factory setting: 3 Pr. 00-00 displays the identity code of the AC motor drive. At the meanwhile, it can read Pr.00-01 to check the rated current.
  • Page 32 Chapter 4 Parameters|VFD-L-I Series Display the user-defined unit, where unit = H X Pr.00-05 00-05 User Defined Coefficient K Unit: 0. 1 Settings 0.1 to 160 Factory Setting: 1.0 The coefficient K determines the multiplying factor for the user-defined unit.
  • Page 33 Chapter 4 Parameters|VFD-L-I Series Group 1: Basic Parameters Maximum Operation Frequency (Fmax) Unit: 0.01Hz 01-00 Settings 50.0 to 400.00 Hz Factory Setting: 100.00 This parameter determines the AC motor drive’s Maximum Operation Frequency. All the AC motor drive frequency command sources (analog inputs 0 to +10V and 4 to 20mA) are scaled to correspond to the output frequency range.
  • Page 34 Chapter 4 Parameters|VFD-L-I Series This parameter sets Minimum Output Voltage of the AC drive. The setting of parameters 01-01 to 01-06 should comply with Pr.01-02≥ Pr.01-04≥ Pr.01-06； Pr.01-01≥ Pr.01-03≥ Pr.01-05. 01-07 Output Frequency Upper Limit Unit: 1% Settings 1 to 110%...
  • Page 35 Chapter 4 Parameters|VFD-L-I Series Fr eq ue ncy A ctua l Acce l.( Dece l.) Ti me = A ccel .(Decel .) Time (O pe ra tio n fr eque ncy - Min . outp ut fr eq ue ncy) Ma x.
  • Page 36 Chapter 4 Parameters|VFD-L-I Series 01-16 Auto-Acceleration / Deceleration Factory Setting: 0 Settings Linear Accel/Decel Auto Accel, Linear Decel Linear Accel, Auto Decel Auto Accel/Decel (Set by load) Linear Accel; Auto Decel, Stall Prevention during Decel Auto Accel/Decel, Stall Prevention during Decel...
  • Page 37 Chapter 4 Parameters|VFD-L-I Series Group 2: Operation Method Parameters 02-00 Source of Master Frequency Command Factory Setting: 4 Settings Reserved Master Frequency determined by analog signal DC 0V-10V (external terminal AVI). Reserved Reserved Master Frequency operated by RS-485 serial communication interface (RJ11) This parameter sets the Frequency Command Source of the AC drive.
  • Page 38 Chapter 4 Parameters|VFD-L-I Series F requenc y F requenc y setting setting frequency frequency motor motor speed speed Time Time operation operation command command decel ti me decel ti me? S TO P S TO P F ig ure 1: ram p t o st op...
  • Page 39 Chapter 4 Parameters|VFD-L-I Series If this parameter is set to disable reverse operation, the reverse command of keypad and external terminal REV will be invalid. 02-05 Reserved 02-06 Line Start Lockout Factory Setting: 1 Settings Disable Enable This parameter is used to determinate the operation status of motor when the power is turned on as the operation command is from the external terminal and the command is hold.
  • Page 40 Chapter 4 Parameters|VFD-L-I Series Group 3: Output Function Parameters 03-00 Desired Frequency Attained Unit: 0.01Hz Settings 1.00 to 400.00 Hz Factory Setting: 1.00 If a multi-function output terminal is set to function as Desired Frequency Attained (Pr.03- 03=9), then the output will be activated when the programmed frequency is attained.
  • Page 41 Chapter 4 Parameters|VFD-L-I Series Display (P r.00-04=1) Counter Trigger Signal Multi-function Input Termi nal Preliminary Counter Value Attained Output (Pr. 03-02=3) Preliminary Counter Value Attained Output (Pr. 03-02=3) 03-03 Unit: 1 Multi-function Output Terminal 1 (Relay) Settings 0 to 16...
  • Page 42 Chapter 4 Parameters|VFD-L-I Series Setting Function Description PLC Operation Paused the output will be activated when PLC operation is paused. Terminal Count Value the output will be activated when counter reaches Attained Terminal Count Value(Pr.03-01). Preliminary Counter Value the output will be activated when counter reaches Attained Preliminary Count Value(Pr.03-02).
  • Page 43 Chapter 4 Parameters|VFD-L-I Series Group 4: Input Function Parameters 04-00 Potentiometer Bias Frequency Unit: 0.01Hz Settings 0.00 to 350.00Hz Factory Setting: 0.00 04-01 Potentiometer Bias Polarity Factory Setting: 0 Settings Positive Bias Negative Bias 04-02 Potentiometer Frequency Gain Unit: 1...
  • Page 44 Chapter 4 Parameters|VFD-L-I Series Pr.01 -00 Ma x. o p era tio n fre qu en cy 6 0H z Fa ctory set tin g Pr.01 -00 =6 0H z Ma x. op era tio n f re q ue ncy Pr.0...
  • Page 45 Chapter 4 Parameters|VFD-L-I Series Example 6: In this example, a negative bias is used to provide a noise margin. Also a potentiometer frequency gain is used to allow the Maximum Output Frequency to be reached. Pr.0 1-0 0 Ma x. o p era tio n fre qu en cy...
  • Page 46 Chapter 4 Parameters|VFD-L-I Series Parameters & Functions table: Value Function Value Function First or Second Acceleration or No Function Deceleration Time Selection External Base Block (N.O.) M0: FWD / STOP, M1: REV / STOP (Normally Open Contact Input) External Base Block (N.C.)
  • Page 47 Chapter 4 Parameters|VFD-L-I Series M0 " Open": Stop, " Clos e" : Run R UN /S TOP M1 "Open": FW D, "Close":RE V R EV / FWD GN D V FD- L-I 4, 5 External Faults (E.F.) Parameter values 4, 5 programs Multi-Function Input Terminals: M1 (Pr. 04-04) to be External Fault (E.F.) inputs.
  • Page 48 Chapter 4 Parameters|VFD-L-I Series 7 : mul ti- step 1 CL OS E: o pe ra tio n a val ia bl e 8 : mul ti- step 2 CL OS E: o pe ra tio n a val ia bl e...
  • Page 49 Chapter 4 Parameters|VFD-L-I Series Acc eleration Deceleration F requenc y inhibit inhibit Actual operation Setting frequency F requenc y Setting F requenc y Actual oper ation frequenc y T ime M1-GN D Oper ation command 11 First or Second Acceleration/Deceleration Time Selection: Parameter value 11 programs a Multi-Function Input Terminal: M1 (Pr.04-04) to control selection of...
  • Page 50 Chapter 4 Parameters|VFD-L-I Series 12, 13 External Base Block: Parameter values 12, 13 program Multi-Function Input Terminals: M1 (Pr.04-04) for external Base Block control. B.B.(N.O ) Set to 12 CLOSE: operation avaliable B.B.(N.C ) Open: operati on availiable Set t o 13...
  • Page 51 Chapter 4 Parameters|VFD-L-I Series 16 RUN PLC Program 17 PAUSE PLC Program Parameter value 16 programs Multi-Function Input Terminal: M1 (Pr.04-04) to enable the AC drive internal PLC program. Parameter value 17 programs an input terminal to pause the PLC program.
  • Page 52 Chapter 4 Parameters|VFD-L-I Series 19 Counter Reset: Parameter value 19 programs Multi-Function Input Terminal: M1 (Pr.04-04) to reset the counter. When this function is activated, it will clear the present counter and display C0. The AC motor drive can’t count until C0 disappears.
  • Page 53 Chapter 4 Parameters|VFD-L-I Series Group 5: Multi-step speeds and PLC (Process Logic Control) parameters 05-00 1st Step Speed Frequency Unit: 0.01 05-01 2nd Step Speed Frequency Unit: 0.01 05-02 3rd Step Speed Frequency Unit: 0.01 Settings 0.00 to 400.00 Hz Factory Setting: 0.00...
  • Page 54 Chapter 4 Parameters|VFD-L-I Series Fr eq ue ncy P r.05 -0 2 Ma ster fre qu en cy=5Hz 4 0Hz P r.05 -0 0=10 Hz P r.04 -0 6=16 P r.05 -0 5=10 P r.0 5 -0 1=20 Hz P r.0 3 -0 3=11 P r.0...
  • Page 55 Chapter 4 Parameters|VFD-L-I Series Example 3 (Pr. 05-03 = 3) Execute one cycle step by step: The example shows how the PLC can perform one cycle at a time, within a complete cycle. Each step will use the acceleration/deceleration times. It should be noticed that the time each step spends at its intended frequency is diminished, due to the time spent during acceleration/deceleration.
  • Page 56 Chapter 4 Parameters|VFD-L-I Series 05-04 PLC Forward/Reverse Motion Unit: 1 Settings 0 to 5 Factory Setting: 0 This parameter controls the direction of motion for the Multi-Step Speed Pr.05-00 to Pr.05-03 and the Master Frequency. NOTE The equivalent 8-bit number is used to program the forward/reverse motion. The binary notation for the 8-bit number must be translated into decimal notation and then be entered.
  • Page 57 Chapter 4 Parameters|VFD-L-I Series Group 6: Protection Parameters Over-Voltage Stall Prevention Level 06-00 Unit: 1 Settings 350 to 410V (0: disable) Factory Setting: 390 During deceleration, the DC bus voltage may exceed its maximum allowable value due to motor regeneration. When this function is enabled, the AC drive will stop decelerating.
  • Page 58 Chapter 4 Parameters|VFD-L-I Series 06-02 Over-Torque Detection Mode (OL2) Factory Setting: 0 Settings Over-Torque detection disabled. Enabled during constant speed operation. After the over-torque is detected, keep running until OL1 or OL occurs. Enabled during constant speed operation. After the over-torque is detected, stop running.
  • Page 59 Chapter 4 Parameters|VFD-L-I Series This function is used to protect the motor from overloading or overheating. 06-06 Electronic Thermal Characteristic Unit: 1 Settings 30 to 600Sec Factory Setting: 60 The parameter determines the time required activating the I t electronic thermal protection function.
  • Page 60 Chapter 4 Parameters|VFD-L-I Series Pr.06-07 to 06-12 store records of the six most recent faults that had occurred. Use the reset key to reset the drive when the fault no longer exits. These six records won’t be reset to the factory setting after the drive is reset.
  • Page 61 Chapter 4 Parameters|VFD-L-I Series Group 7: Motor Parameters 07-00 Motor Rated Current Unit: 1 Settings 30 to 120% Factory Setting: 85 This parameter needs to be set according to the motor nameplate. The factory setting is set by the rated current of the AC motor drive. It is used to limit the AC drive output current in order to prevent the motor from overheating.
  • Page 62 Chapter 4 Parameters|VFD-L-I Series 0: enable Pr.07-23 2001H Delay for Pr.07-13 Pr.07-12 stop Master soft start OFFSET Bit0 frequency outpu error Soft start input *1 or *(-1) 0: enable Pr.07-21=1 Pr.07-12 Pr.07-04=2 -10V Bit1 Pr.07-14 Pr.07-12 Pr.07-22 Pr.07-22 Force to 0 Pr.07-09...
  • Page 63 Chapter 4 Parameters|VFD-L-I Series 07-08 Integral Time (I) Unit: 1 Settings 0 to 1000 (*20ms) Factory Setting: 150 When this parameter is defined to gain is 1 and error value is fixed, integral value is equal to error value as the setting of integral time is attained. Setting to 0 means disable this function.
  • Page 64 Chapter 4 Parameters|VFD-L-I Series 07-13 Unit: 0.01 PID Offset Settings 0.00 to 400.00 Factory Setting: 20.00 It needs to set Pr.07-12 to enable this function. 07-14 Unit: 1 Modulation Time of P Settings 0 to 1000 (*20ms) Factory Setting: 1000 This parameter determinates the required time for proportional gain to reach Pr.07-07 setting.
  • Page 65 Chapter 4 Parameters|VFD-L-I Series 07-20 Reserved 07-21 Soft Start Function Factory Setting: 1 Settings Disable Enable When the deviation of target value and feedback value is less than the detection range of soft start after start-up, PID function can be activated. If the deviation of target value and feedback value is larger than the detection range of soft start after start-up, only P will be activated.
  • Page 66 Chapter 4 Parameters|VFD-L-I Series Group 8: Special Parameters 08-00 DC Braking Current Level Unit: 1% Settings 0 to 30% Factory Setting: 0 This parameter determines the level of DC Braking Voltage Level output to the motor during start-up and stopping. When setting DC Braking Voltage, the rated current of the AC motor drive is regarded as 100%.
  • Page 67 Chapter 4 Parameters|VFD-L-I Series DC Braking during Start-up is used for loads that may move before AC drive starts, such as fans and pumps. These loads may also be moving in the wrong direction. Under such circumstances, DC Braking can be executed to hold the load in position before applying a forward motion.
  • Page 68 Chapter 4 Parameters|VFD-L-I Series Maximum All owable Maximum Power Los s Ti me Power Allowable P ow er 0 8- 05 08-05 Input Speed Sync hr onization Speed Sear ch Detec ti on 0 8- 04 =1 0 8- 04 =2...
  • Page 69 Chapter 4 Parameters|VFD-L-I Series motor temperature rise, poor insulation and unstable torque output when the motor exceeds 12%~20% rated voltage. In such case for a long time, it will shorten the motor life quickly. AVR function automatically regulates the AC drive output voltage to the motor rated voltage.
  • Page 70 Chapter 4 Parameters|VFD-L-I Series Group 9: Communication Parameters 09-00 Communication Address Settings 1 to 247 Factory Setting: 1 If the AC drive is controlled by RS-485 serial communication, the communication address must be set via this parameter. Computer RS-485 VFD-L-I...
  • Page 71 P le ase do no t use it d ur in g RS -4 85 commu ni ca tio n. There is a built-in RS-485 serial interface, marked (RJ-11) on the control terminal block, for VFD-L-I Series. The pins are defined above. Each VFD-L-I AC drive has a pre-assigned communication address specified by Pr.09-00. The computer then controls each AC drive according to its communication address.
  • Page 72 Chapter 4 Parameters|VFD-L-I Series RTU mode: Each 8-bit data is the combination of two 4-bit hexadecimal characters. For example, 64 Hex. 2. Data Format 2.1 10-bit character frame (For 7-bit character): ( 7.N.2 : Pr.0 9- 04 =0 ) Start...
  • Page 73 Chapter 4 Parameters|VFD-L-I Series ASCII mode: Start character ‘:’ (3AH) ADR 1 Communication address: 8-bit address consists of 2 ASCII codes ADR 0 CMD1 Command code: 8-bit command consists of 2 ASCII codes CMD0 Contents of data: DATA (n-1) n x 8-bit data consist of 2n ASCII codes.
  • Page 74 Chapter 4 Parameters|VFD-L-I Series The format of data characters depends on the command code. The available command codes are described as followed: (1) Command code: 03H, read N words. The maximum value of N is 12. For example, reading continuous 2 words from starting address 2102H of AMD with address 01H.
  • Page 75 Chapter 4 Parameters|VFD-L-I Series ASCII mode: Command message: Response message: ‘:’ ‘:’ ADR 1 ‘0’ ADR 1 ‘0’ ADR 0 ADR 0 ‘1’ ‘1’ CMD 1 ‘0’ CMD 1 ‘0’ CMD 0 CMD 0 ‘6’ ‘6’ ‘0’ ‘0’ ‘1’ ‘1’...
  • Page 76 Chapter 4 Parameters|VFD-L-I Series ‘:’ ADR 1 ‘0’ ADR 0 ‘1’ CMD1 ‘0’ CMD0 ‘3’ Starting data address ‘0’ ‘4’ ‘0’ ‘1’ Number of data ‘0’ ‘0’ ‘0’ ‘1’ LRC CHK 1 ‘F’ LRC CHK 0 ‘6’ END1 END0 01H+03H+04H+01H+00H+01H=0AH, the 2’s-complement negation of 0AH is F6H.
  • Page 77 Chapter 4 Parameters|VFD-L-I Series For example, reading 2 words from address 2102H of the AC drive with address 01H. Starting address Number of data (count by word) CRC CHK Low CRC CHK High The following is an example of CRC generation using C language. The function takes two...
  • Page 78 Chapter 4 Parameters|VFD-L-I Series Content Address Functions Read 0BnnH Max. number of each parameter group, nn means parameter group. For example, 0B00H will return the max. parameter number of group 0. Command 2000H Bit 0-1 00: No function 01: Stop...
  • Page 79 Chapter 4 Parameters|VFD-L-I Series Content Address Functions 32: CE 10 33: Reserved 34: Software error (BRK, ZDIV) 35: EEPROM read time out 2101H Status of AC Drive 00: RUN LED light off, STOP LED light up 01: RUN LED blink, STOP LED light up...
  • Page 80 Chapter 4 Parameters|VFD-L-I Series Example of an exception response of command code 06H and exception code 02H: ASCII mode: RTU mode: ‘:’ ADR 1 ‘0’ ADR 0 ‘1’ Exception code CMD1 ‘8’ CRC CHK Low CMD0 ‘6’ CRC CHK High ‘0’...
  • Page 81 Chapter 4 Parameters|VFD-L-I Series 3.7 Communication program of PC: The following is a simple example of how to write a communication program for Modbus ASCII mode on a PC in C language. #include<stdio.h> #include<dos.h> #include<conio.h> #include<process.h> #define PORT 0x03F8 /* the address of COM1 */...
  • Page 82 Chapter 5 Fault Code Information The AC motor drive has a comprehensive fault diagnostic system that includes several different alarms and fault messages. Once a fault is detected, the corresponding protective functions will be activated. The following faults are displayed as shown on the AC motor drive digital keypad display. The three most recent faults can be read from the digital keypad or communication.
  • Page 83 Chapter 5 Fault Code Information|VFD-L-I Series Fault Fault Descriptions Corrective Actions Name Low voltage 1. Check whether the input voltage falls within the The AC motor drive detects AC motor drive rated input voltage range. 2. Check for abnormal load in motor.
  • Page 84 Chapter 5 Fault Code Information|VFD-L-I Series Fault Fault Descriptions Corrective Actions Name When multi-function input terminals (M0-M1) are set to external fault, the AC motor drive External Fault stops output U, V and W. Give RESET command after fault has been cleared.
  • Page 85 Chapter 5 Fault Code Information|VFD-L-I Series This page intentionally left blank Revision July 2009, SW V1.1...
  • Page 86 R educ e load or inc rease Increase accel/decel the power of AC motor time driv e R educ e load or inc rease Check braking the power of AC motor method. Please driv e contact DELTA Revision July 2009, SW V1.1...
  • Page 87 Reduc e moment Reduc e moment of l oad inertia DC brak ing of iner tia Use br aking unit or DC br aking Need to chec k c ontr ol method. Please contac t DELTA. Revision July 2009, SW V1.1...
  • Page 88 Chapter 6 Troubleshooting |VFD-L-I Series 6.3 Low Voltage (Lv) Low voltage Is input power cor rect? O r power cut, Restart after r eset including momentary pow er loss Check if there i s any malfunction Change defec tiv e component...
  • Page 89 Chapter 6 Troubleshooting |VFD-L-I Series 6.4 Over Heat (OH) AC motor drive overheats Heat sink overheats Check if temperature of heat sink Temperature detection malfunctions. is greater than 90 Please contact DELTA. Is load too large Reduce load If cooling fan functions normally...
  • Page 90 Chapter 6 Troubleshooting |VFD-L-I Series 6.6 Motor Stalls during Acceleration Check if acceleration Motor stalls during Increase setting time time is too short acceleration Check if the inertia Use special motor? of the motor and load is too high Thicken or shorten the...
  • Page 91 Chapter 6 Troubleshooting |VFD-L-I Series This page intentionally left blank Revision July 2009, SW V1.1...
  • Page 92 Chapter 7 Maintenance and Inspections Modern AC motor drives are based on solid-state electronics technology. Preventive maintenance is required to keep the AC motor drive in its optimal condition, and to ensure a long life. It is recommended to have a qualified technician perform a check-up of the AC motor drive regularly. Daily Inspection: Basic check-up items to detect if there were any abnormalities during operation are: Whether the motors are operating as expected.
  • Page 93 Chapter 7 Maintenance and Inspections|VFD-L-I Series Periodical Maintenance Ambient environment Maintenance Period Check Items Methods and Criterion Half Daily Year Year Check the ambient temperature, Visual inspection and measurement humidity, vibration and see if with equipment with standard there is any dust, gas, oil or...
  • Page 94 Chapter 7 Maintenance and Inspections|VFD-L-I Series Maintenance Period Check Items Methods and Criterion Half Daily Year Year Check parts for deformity or Visual inspection damaged If there is any color change Visual inspection caused by overheating Check for dust and dirt...
  • Page 95 Chapter 7 Maintenance and Inspections|VFD-L-I Series DC capacity of main circuit Maintenance Period Check Items Methods and Criterion Half Daily Year Year If there is any leakage of liquid, change of color, cracks or Visual inspection deformation Measure static capacity when ≥...
  • Page 96 Chapter 7 Maintenance and Inspections|VFD-L-I Series Printed circuit board and connector of main circuit Maintenance Period Check Items Methods and Criterion Half Daily Year Year If there are any loose screws and Tighten the screws and press the connectors connectors firmly in place.
  • Page 97 Chapter 7 Maintenance and Inspections|VFD-L-I Series This page intentionally left blank Revision July 2009, SW V1.1...
  • Page 98 Appendix A Specifications Voltage Class 230V Class Model Number VFD-XXXL21B-I Max. Applicable Motor Output (kW) Max. Applicable Motor Output (HP) 0.25 Rated Output Capacity (KVA) Rated Output Current (A) Maximum Output Voltage (V) 3-phase Proportional to Input Voltage Rated Frequency (Hz) 1.0 to 400 Hz Rated Input Current (A) Rated Voltage/Frequency...
  • Page 99 Appendix A Specifications|VFD-L-I Series This page intentionally left blank Revision July 2009, SW V1.1...
  • Page 100 Appendix B Accessories B.1 Remote Controller RC-01 (Dimensions are in millimeter) Model Name Note Remote controller RC-01 It needs to use shield wire. (without wire) Revision July 2009, SW V1.1...

Table of Contents