Delta VFD-A Series User Manual
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Delta VFD-A Series User Manual

High-performance/low-noise general-purpose ac motor drives 230v/460v / 3-phase 0.75 - 22kw 1-30hp
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  • Page 1 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com...
  • Page 2 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com 5011200503 200305-22 AE02 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com...
  • Page 3 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com...

  • Page 4: Table Of Contents

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com TABLE OF CONTENTS Chapter 1 Introduction Getting Started ....................1 Receiving Storage and Transportation ............2 Nameplate Information .................. 2 Identification of components and accessories ..........3 Chapter 2 Installation and Wiring Installation Requirements ................5 Main Circuit Wiring ..................

  • Page 5: Chapter 1 Introduction

    Introduction Congratulations on your purchase of the DELTA VFD-A series AC motor drive. The VFD series is a high-performance / low noise general-purpose AC motor drive, manufactured using high-quality components and incorporating the latest micro-processor technology available. The purpose of this chapter is to provide specific, yet simple information to unpack, install, and operate the AC drive.

  • Page 6: Receiving Storage And Transportation

    OUTPUT : 3PH 0-480V 5.5A 4.2KVA 3HP Output Frequency Range Frequency Range : 0.1-400Hz Serial Number & Bar Code 022A43AT7010001 MADE IN XXXXX DELTA ELECTRONICS INC. VFD 022 A 43 A 022A43A T 8 01 0001 Version type Input voltage Series name...

  • Page 7: Identification Of Components And Accessories

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Identification of components and accessories 1. Mounting screw holes 2. Heat sink 3. Digital keypad 4. Ventilation hole and blind plate installation position 5. Nameplate label 6. Terminal cover 7. Input / output rating 8.
  • Page 8 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Removing the Digital Keypad The digital keypad can be easily removed from the AC motor drive unit as shown below. ♦0.75 - 1.5 KW (1-2HP) ♦2.2 - 3.7 KW (3-5HP) ♦5.5 KW - 22.0 KW The 7.5 thru 30 HP units have screws holding the digital keypads in place.

  • Page 9: Installation And Wiring

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Installation and Wiring Chapter 2 provides the information needed to properly install and wire the AC drive. Make sure that the AC drive is wired according to the instructions contained in this chapter. The instructions should be read and understood before the actual installation begins.

  • Page 10: Main Circuit Wiring

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Wiring Main Circuit Wiring (1) Power terminal block designations Power input and output may be connected via a nine or ten position terminal block. The pin assignments are as follows: Model Power terminal pin assignments VFD007A21A VFD007A23A VFD015A21A...
  • Page 11 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com For VFD-A Series 15-30HP (VFD110A23A/43A, VFD150A23A/43A, VFD185A23A/43A, VFD220A23A/43A), the ring terminals below are suggested to be used when proceeding with main circuit wiring: Vendor Vendor Part NO. Moles 2 (Red) G-975-14 4 (Yellow) F-966-14...
  • Page 12 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Attention: The user must provide a circuit breaker or disconnect switch and fuses in accordance with all applicable electrical codes. Make sure that the leads are connected correctly and the AC drive is properly grounded.

  • Page 13: Control Circuit Wiring

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Control Circuit Wiring (1) Control terminal block designations The control leads must be routed separately from the power supply and motor leads. They must not be fed through the same cable conduit. Terminal Symbol 220V/440V Class 1∼5HP (AWG: 28 –...

  • Page 14: Basic Wiring Diagram

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Basic Wiring Diagram Braking resistior(option) Use a disconnect P/B1 and fuse Motor Power source 3 phase 200-240V or VFD-A 380-480V 50/60Hz Grounding DC 20V ~ 24V ( 50mA Max. ) Multi-function input 1 Multi-function input 2 Multi-function input 3 REV/STOP(REV/STOP) Analog frequency/current meter...

  • Page 15: Digital Keypad Operation

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Digital Keypad Operation Chapter 3 describes the various controls and indicators found on the digital keypad of the VFD-A AC drive. The information in this chapter should be read and understood before performing the start-up procedures described in Chapter 4.

  • Page 16: Explanation Of Displayed Messages

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Function / Data FUNC Displays information on the AC drive status such as the reference frequency, output frequency, or DATA output current in the normal mode. While the drive is in the Program Mode, press this key once to display the current parameters. After changing the parameters, press this key again to store the new parameters.
  • Page 17 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Displays the output current present at terminals U, V, and W Displays the specified parameter number. The actual parameter FUNC value may be displayed by pressing the key. DATA Displays actual value stored within the specified parameter. FUNC Press the key to store the value of the specified parameter.
  • Page 18 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Digital Keypad Operating Modes & Programming steps Pressing the key after power on will cause the AC drive to operate at 60 Hz, which is the STOP factory default setting. Use the key to halt operation. Refer to the Basic Wiring Diagram in Chapter 2 for information on the wiring connection.
  • Page 19 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Setting parameters: To operate the AC drive under optimum conditions, some parameter values may be modified as required. During the “Run” mode, the following set of parameters may be modified: 10-14, 16-23, 44, 48-50, 52-55, 65. It is also possible to check all the parameter settings during operation.

  • Page 20: Start Up

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Start-up This chapter describes the steps needed to start the AC drive and typical adjustment and verification procedures to ensure a simple and efficient start-up. The following start-up procedures describe the most common parameter settings and system configurations.
  • Page 21 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Operating frequency determined by the digital keypad; Control terminals enabled to control AC Drive operation; ”Stop” key on digital keypad is enabled. Two wire “REV/FWD and “RUN/STOP” remote control enabled. (Pr.00 = d0000, Pr.01 = d0001, Pr.38 = d0001) RUN/STOP REV/FWD Operating frequency determined by the digital keypad;...
  • Page 22 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com 6. Operating frequency determined by remote control via the RS-485 serial interface; RS-485 interface enabled to control AC Drive operation. “Stop” key on digital keypad is enabled. (Pr.00 = d0002, Pr.01 = d0003) INVERTER SG+,SG- This completes the operation mode selection.

  • Page 23: Parameter Settings

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Parameter Settings Chapter 5 describes all VFD-A drive parameters. These parameters are divided into groups to simplify “start-up” programming procedures and minimize tuning. AC Drive parameters and functions: Operation Modes ..................21 V / F Data Settings ..................22 Accel.

  • Page 24: Operation Modes

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Operation Modes Operating Frequency Source Select Pr.00 Parameter # 00 Parameter Name Master Frequency source select Factory Setting d0000 Settings d0000 Master Frequency determined by the digital keypad d0001 Master Frequency determined by the analog input signal (DC 0 to +10V) + (DC 4 to 20 mA) d0002 Master Frequency determined by the RS-485 Interface.

  • Page 25: F Data Settings

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Ramp The AC drive output frequency decelerates in the time specified by Pr.11 or Pr.13, down to the frequency specified by Pr.08, and then the drive output turns off. Coast The AC drive is turned off immediately while the motor free runs until it comes to a complete stop.
  • Page 26 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Parameter # 05 Parameter Name Maximum output voltage Factory Setting d220.0 V ; d440.0 for 440 V class. Units 0.1 V Parameter value d002.0 - d255.0 V ; d004.0 – d510.0 for 440 V class. This parameter determines the Maximum Output Voltage of the AC drive.
  • Page 27 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Voltage Pr.05 Pr.07 Pr.09 Frequency Pr.06 Pr.03 Pr.08 Pr.04 Standard V/F Curve Voltage Pr.05 Pr.07 Pr.09 Frequency Pr.08 Pr.06 Pr.04 Pr.03 Custom V/F Curve Voltage Pr.05 Pr.07 Pr.09 Frequency Pr.08 Pr.06 Pr.04 Pr.03 Fan/Pump V/F Curve Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com...
  • Page 28 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Commonly Used V / F Pattern Settings (1) General Purpose Factory Settings Motor Spec. 50Hz Motor Spec. 60Hz Set value Set value Pr.03 60.0 Pr.03 50.0 Pr.04 60.0 Pr.04 50.0 Pr.05 220.0 Pr.05 220.0 Pr.06 Pr.06 Pr.07...

  • Page 29: Accel / Decel Time Setting

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Accel / Decel Time Setting Accel / Decel Time Setting Pr.10 Pr.11 Pr.12 Pr.13 Parameter # 10 Parameter Name Acceleration Time 1 Factory Setting d010.0 Sec Units 0.1 Sec Parameter value d000.1 - d600.0 Sec This parameter can be programmed while the drive is running.
  • Page 30 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Parameter # 12 Parameter Name Acceleration time 2 Factory Setting d010.0 Sec Units 0.1 Sec Parameter value d000.1 - d600.0 Sec This parameter can be programmed while the drive is running. This parameter determines the time required for the AC drive to ramp from 0 Hz to the Maximum operating frequency (Pr.03).

  • Page 31: Frequency Reference Setting

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com S-curve Pr.15 Parameter # 15 Parameter Name S-curve setting Factory Setting d0000 (Disabled) Parameter value d0000 - d0007 This parameter should be set during start-up. It is used to provide smooth acceleration and deceleration. The S-curve may be set from 1 to 7. Frequency Pr.15 >...

  • Page 32: Operating And Protective Functions Setting

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Jog Frequency Pr.23 Parameter # 23 Parameter Name Jog frequency select Factory Setting d006.0 Hz Units 0.1 Hz Parameter value d000.1 - d400.0 Hz This parameter can be programmed while the drive is running. This parameter is used to set the AC drive jog frequency.
  • Page 33 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Over-voltage Stall Prevention Pr.25 Parameter # 25 Parameter Name Over-voltage stall prevention during deceleration Factory Setting d0001 Settings d0000 Disable over-voltage stall prevention d0001 Enable over-voltage stall prevention During deceleration, the motor DC bus voltage may exceed its maximum allowable value due to motor regeneration.
  • Page 34 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Output current Pr.26 Overcurrent detection level Time Output frequency Time Stall prevention during acceleration Parameter # 27 Parameter Name Over-current stall prevention during steady-state operation Factory Setting d0170% Units 1% Parameter value d0050 - d0200% During steady-state operation with the motor load rapidly increasing, the AC drive output current may exceed the limit specified in Pr.27.
  • Page 35 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com DC Braking Current (DC Injection Current) Pr.28 Pr.29 Pr.30 Pr.31 Parameter # 28 Parameter Name DC braking current Factory Setting d0000% Units 1% Parameter value d0000 - d0100% This parameter determines the DC current that will be applied to the motor during braking when the Motor Stop Method is set to “RAMP stop”...
  • Page 36 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Minimum output DC brake starting frequency frequency Pr.08 Pr.31 Pr.29 Pr.30 DC braking current % Pr.28 Momentary Power Loss Protection Pr.32 Pr.33 Pr.34 Pr.35 Parameter # 32 Parameter Name Momentary power failure operation mode Factory Setting d0000 Settings d0000 Operation stops after momentary power loss d0001 Operation...
  • Page 37 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Parameter # 35 Parameter Name Speed Search Current Limit Factory Setting d0150% Units 1% Parameter value d0030 - d0200% Following a power failure, the AC drive will start its speed search operation, only if output current greater...

  • Page 38: External Control Terminal

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Output frequency Pr.36 Pr.37 Input frequency External Control Terminal External Control Terminal Configuration Pr.38 Parameter # 38 Parameter Name 2-wire / 3-wire operation control selection Factory Setting d0000 Settings d0000 FWD / STOP, REV / STOP d0001 FWD / REV, RUN / STOP d0002 3-WIRE operation control mode This parameter determines the control functions and operating modes available...
  • Page 39 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Multi-function Input Terminals Pr.39 Pr.40 Pr.41 Parameter # 39 (MI1), 40 (MI2), 41 (MI3) Parameter Name Multi-function input terminals 1, 2, 3 Factory Setting d0000, d0001, d0002 Settings d0000 Multi-step speed command 1 d0001 Multi-step speed command 2 d0002 Multi-step speed command 3 d0003 Jog frequency reference select d0004 Accel/decel speed inhibit command...
  • Page 40 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com d0008: When “Closed,” the AC Drive output frequency is increased. d0009: When “Closed,” the AC Drive output frequency is decreased. FWD RUN COMMAND UP COMMAND DOWN COMMAND MAX. OUTPUT FREQUENCY MIN. OUTPUT FREQUENCY UP TO FREQUENCY SETTING SIGNAL Note: When both the Up and Down command terminals are “closed”, the AC drive neither accelerates or decelerates.
  • Page 41 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Analog Output Gain Setting Pr.44 Parameter # 44 Parameter Name Analog output gain setting Factory Setting d0100% Units 1% Parameter value d0001 - d0200% This parameter can be programmed while the drive is running. This function regulates the voltage level of the analog signal output (frequency or current) at the AFM output terminal, which is then fed to the meter.
  • Page 42 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Multi-function Output Terminal Setting Pr.45 Pr.46 Parameter # 45 (MO1), 46(MO2) Parameter Name Multi-function photocoupled output terminals: MO1, MO2 Factory Setting d0000, d0001 Units None Settings d0000 AC drive operational d0001 Pre-set frequency attained d0002 Desired frequency attained d0003 Count down complete d0004 Non-zero speed...
  • Page 43 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Desired Frequency Attained Setting Pr.47 Parameter # 47 Parameter Name Desired frequency attained setting Factory Setting d000.0 Hz Units 0.1 Hz Parameter value d000.0 - d400.0 Hz Used to select a specified frequency, set in increments of 0.1 Hz. ( See Pr.45, 46 ) Analog Input Setting for Output Frequency Range Pr.48 Pr.49 Parameter # 48...
  • Page 44 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Output frequency Output frequency Pr.03 Pr.03 Pr.08 Pr.08 Pr.49 Pr.48 Pr.48 Pr.49 Analog input signal level Analog input signal level The analog input signal level is the combined input signals from the analog voltage input (AVI) (0 - 10 V) and analog current input (ACI) (4 - 20 mA).

  • Page 45: Torque And Slip Compensation

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Torque and Slip Compensation Motor Current Setting Pr.52 Pr.53 Parameter # 52 Parameter Name Motor rated current Factory Setting d0100% Units 1% Parameter value d0030 - d0120% This parameter can be programmed while the drive is running. This parameter must be set according to the motor specification found on its nameplate.
  • Page 46 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Slip Compensation Pr.55 Parameter # 55 Parameter Name Slip compensation Factory Setting d000.0 Units 0.1% Parameter value d000.0 - d010.0% This parameter can be programmed while the drive is running. This parameter is used to compensate for the nominal slip within a range of 0.0 - 10.0%.

  • Page 47: Overload Detection

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Overload Detection Setting Electronic Thermal Overload Relay Pr.58 Pr.59 Parameter # 58 Parameter Name Motor derating curve during temperature change Factory Setting d0002 Units None Settings d0000 Active with standard motor d0001 Active with special motor d0002 Inactive To prevent self-cooling motors from over-heating while running at low speeds, this parameter may be set to limit the AC drive output power.
  • Page 48 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Over-torque Detection Setting Pr.60 Pr.61 Pr.62 Parameter # 60 Parameter Name Over-torque detection mode select Factory Setting d0000 Settings d0000 Over-torque detection not enabled d0001 Over-torque detection during constant speed operation, operation halted after over-torque detection d0002 Over-torque detection during constant speed operation, operation continues after over-torque detection d0003 Over-torque detection during operation, operation halted...
  • Page 49 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Pre-set Count Down Value Attained Setting Pr.63 Parameter # 63 Parameter Name Pre-set count down value attained Factory Setting d0001 Parameter value d0001 - d9999 When the VFD-A internal counter, triggered by the external input TRG, counts down and reaches this specified value, the specified output terminal (MO1) will be closed (assuming that Pr.45 is set to d0003).

  • Page 50: Display Functions

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Display Functions Function Display Setting Pr.64 Parameter # 64 Parameter Name Displays the contents of the monitored item Factory Setting d0000 Settings d0000 Displays the actual operating frequency (H) d0001 Displays the user-defined setting (v) d0002 Displays the value of the internal counter (c) Displays the contents of the monitored item as follows: H: Displays the actual operation frequency...

  • Page 51: System Functions

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com System Functions Skip Frequencies 1 to 3 Setting Pr.67 Pr.68 Pr.69 Pr.70 Parameter # 67, 68, 69 Parameter Name Skip frequency 1, 2, 3 Factory Setting d000.0 Hz Units 0.1 Hz Parameter value d000.1 - d400.0 Hz This parameter determines the three skip frequencies, which in conjunction with Pr.70 [Skip Frequency Band] will cause the AC drive to skip operation at these frequency ranges.
  • Page 52 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com PWM Frequency Setting Pr.71 Parameter # 71 Parameter Name PWM frequency setting Factory Setting d0005 Settings d0001 fc = 3 KHz d0002 fc = 6 KHz d0003 fc = 9 KHz d0004 fc = 12 KHz d0005 fc = 15 KHz This parameter determines the carrier frequency for the PWM (Pulse Width Modulation) output.
  • Page 53 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Reset / restart operation may be performed up to 10 times after a fault has occurred. Setting this parameter to 0 disables the reset / restart operation after any fault has occurred. If a protective shut-down operation (oc, ov) occurs during operation, the auto reset / restart function can be selected.
  • Page 54 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com This setting determines the access to the parameters and allows the user to return all parameters to the factory default settings. Baud Rate Pr.77 Parameter # 77 Parameter Name Special function parameter Factory Setting d0000 d0000 1200 baud (Data rate bps) Settings d0001 2400 baud (Data rate bps)
  • Page 55 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Reserved Pr.79 Manufacturer-used Function Pr.80 This parameter displays the firmware version number of the AC drive, which may vary according to the software version and AC drive system number. This parameter is read only. Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com...

  • Page 56: Summary Of Parameter Settings

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Summary of Parameter Settings This chapter summarizes all the 10 groups of parameters. The page number shown in parenthesis will direct you to the explanation of settings associated with each parameter. Factory Parameter Name Function Explanation Parameter Value Setting...
  • Page 57 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Factory Parameter Name Function Explanation Parameter Value Setting Accel / decel time Acceleration time 1 d000.1 - d600.0 sec d010.0 Setting Deceleration time 1 d000.1 - d600.0 sec d010.0 (page 24) Acceleration time 2 d000.1 - d600.0 sec d010.0 Deceleration time 2...
  • Page 58 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Factory Parameter Name Function Explanation Parameter Value Setting Maximum allowable d000.3 - d005.0 sec d002.0 power loss time Minimum base block time d000.3 - d005.0 sec d000.5 Speed search d0030 - d0200 % d0150 current limit Reference freq.
  • Page 59 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Factory Parameter Name Function Explanation Parameter Value Setting Analog input for Max. output frequency d000.0 - d010.0 V d010.0 output frequency voltage setting. range (page 38) Min. output frequency d000.0 - d010.0 V d000.3 voltage setting.
  • Page 60 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Factory Parameter Name Function Explanation Parameter Value Setting Pre-set count down setting (page 44) d0001 - d9999 d0001 Count down value setting (page 44) d0001 - d9999 d0001 Skip frequencies Skip Frequency 1 d000.0 - d400.0 Hz d000.0 1 to 3 setting Skip Frequency 2...

  • Page 61: Troubleshooting And Fault Information

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Troubleshooting and Fault Information The AC drive has a comprehensive fault diagnosis system that includes more than 20 different alarms and fault messages. Once a fault is detected, the corresponding protective functions will be activated to turn off the AC drive output. The various AC drive failures may be classified as follows: •...
  • Page 62 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Common Problems and Solutions Fault Name Fault Descriptions Corrective Actions The over-current hardware Check whether the motor output power trip circuit detects an corresponds to the AC drive output power. abnormal increase in current. Check the wiring connections between the AC drive and motor for possible short circuits.
  • Page 63 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Fault Name Fault Descriptions Corrective Actions Internal electronic overload trip: Motor is overloaded. Check for possible motor overload. Reduce the current level so Check electronic thermal overload setting. that the drive output current Increase motor capacity. does not exceed the value set by the [Motor rated current] Pr.52.
  • Page 64 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Fault Name Fault Descriptions Corrective Actions AC drive E PROM contains Check the connections between the main invalid data or can not be control board and the power board. programmed. Reset drive to factory defaults. Ground fault or fuse failure: Ground fault : Ground fault :...

  • Page 65: Appendix A Standard Specifications

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com APPENDIX Standard Specifications Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com...
  • Page 66 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Voltage classification 230V ˜˜ 007* 015* 022* Model name VFD- 3 Phase motor rating (KW) 0.75 11.0 15.0 18.5 22.0 3 Phase motor rating (HP) 10.0 15.0 20.0 25.0 30.0 Inverter output (KVA) 12.5 17.5 22.8 28.6...
  • Page 67 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Voltage classification 460V ˜˜˜ Model name VFD- 3 Phase motor rating (KW) 0.75 11.0 15.0 18.5 22.0 3 Phase motor rating (HP) 10.0 15.0 20.0 25.0 30.0 Inverter output (KVA) 13.7 18.3 24.4 28.9 34.3 Output current (A) Output voltage (V)

  • Page 68: Appendix B Serial Communications

    Character Delay Time and Response Delay Time Computer Control The VFD-A series AC motor drive has a built in RS-485 serial communication port on its control terminal block marked SG+, SG-. The two connector pins are defined as follows: SG ＋ : Signal ＋...
  • Page 69 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Start Stop parity Character string 11-bit (character frame) Protocol Control Command COMMAND STRUCTURE "C,S,A,UU,MM,FFFF" Word length = 11 characters COMPUTER TO AC MOTOR DRIV Header of control string Check sum (03H) Command acknowledge 01H: Command acknowledged by a single AC drive 02H: Command acknowledged by all AC drives UU: Slave address (“00”...
  • Page 70 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com MM: Operation command (X = don‘t care) Stop Forward running Stop Reverse running X4, X5 Jog (FWD) X6, X7 Jog (REV) Reset after AC drive error FFFF Frequency command, Setting range: from 0000 (0.0Hz) to 4000 (400.0Hz) Example: A setting of “1234”...
  • Page 71 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Parameter Read Command COMMAND STRUCTURE "R,S,A,UU,NN" Word length = 7 characters COMPUTER TO AC MOTOR DRIV Header of read string Check sum (03H) Command acknowledge 01H: Command acknowledged by a single AC drive 02H: Command acknowledged by all AC drives UU: Slave address (“00”...
  • Page 72 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com The AC drive will return a character string, the format of which will be as follows: COMMAND STRUCTURE "Q,S,B,UU,NN,ABCD" AC MOTOR DRIVE TO COMPUTER Word length = 11 characters Header of question string Check sum (03H) Acknowledge back Correct: Error:...
  • Page 73 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com 1 0 0 0 Jog speed command 1 0 0 1 Analog input freq. command 1 0 1 0 RS-485 serial interface 1 0 1 1 Up/Down control CD: Error code Code Fault Name No error Over-current (oc) Over voltage (ov)

  • Page 74: Appendix C Dimensions

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com APPENDIX Dimensions VFD007A21A/H VFD007A23A/H VFD007A43A/H VFD015A21A/H VFD015A23A/H VFD015A43B/H Unit: mm 196.0 [7.72] 5.5 [0.22] 181.5 [7.15] 167.0 [6.57] VFD015A43A VFD022A21A/H VFD022A23A/H VFD022A43A VFD037A23A/H VFD037A43A/H Unit: mm [inches] 5.5 [0.22] Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com...
  • Page 75 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com 203.3 [8.00] 6.5 [0.26] 185.3 [7.30] 178 [7.01] VFD055A23A/H VFD055A43A/H VFD075A23A/H VFD075A43A/H Unit: mm [inches] 6.5 [0.26] VFD110A23A/H 250.0 [9.84] VFD110A43A/H 10.0[0.39] 226.0 [8.90] 200 [7.87] VFD150A23A/H VFD150A43A/H VFD185A23A/H VFD185A43A/H VFD220A23A/H VFD220A43A/H Unit: mm [inches] 10.0 [0.39] Call 1(800)985-6929 for Sales deltaacdrives.com...
  • Page 76 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Digital Keypad 1. LC-A05E: it is used for A-Series 1HP~5HP Unit: mm [inch] PRGM FUNC DATA 2. LC-A10E: it is used for A-Series 7.5HP~30HP Unit: mm [inch] PRGM FUNC DATA Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com...
  • Page 77 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Remote Controller RC01 Adapter Unit: mm [inches] Standard Extension Cable Unit: mm Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com...
  • Page 78 All Braking Resistors & Braking Units Use in AC Drives Note: Please only use DELTA resistors and recommended values. Other resistors and values will void Delta’s warranty. Please contact your nearest Delta representative for use of special resistors. For instance, in 460 V series, 100 HP, AC drive has 2 braking units with total of 16 braking resistors, so each braking unit uses 8 braking resistors.
  • Page 79 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Braking Resistors & Braking Units Braking Resistors & Braking Units Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com...
  • Page 80 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Braking resistors model no.: BR1K0W050, BR1K2W008, BR1K2W6P8, BR1K5W005, BR1K5W040 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com...

  • Page 81: Appendix D Accessories List

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com APPENDIX Accessories Name Model Remarks Remote control box RC-01 Used the twisted shielded or twisted-pair shield. Digital keypad LC-A05E Used for A-Series 1HP~5HP. Digital keypad LC-A10E Used for A-Series 7.5HP~30HP. Standard extension cable (0.6 M) EG0610A Used for A-Series 1~30HP, M-Series 0.5HP~2HP.

  • Page 82: Appendix E Emi Filters

    VFD220A43A 220V, 3φ, 100A VFD150A23A, VFD185A23A, 100TDS8A VFD220A23A If the users need to operate the AC Motor Drives VFD-A Series with DELTA’s EMI Filters, the suitable models can be determined from the above table. Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com...

  • Page 83: Appendix F Ec Declaration Of Conformity

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com APPENDIX EC Declaration of Conformity DELTA ELECTRONICS, INC. EC Declaration of Conformity According to the Low Voltage Directive 73/23/EEC and the Amendment Directive 93/68/EEC For the following equipment: AC Motor Drive (Product Name) VFD007A21A, VFD007A23A, VFD007A43A, VFD015A21A, VFD015A23A, VFD015A43A,...
  • Page 84 Directive 93/68/EEC. For the evaluation of the compliance with this Directive, the following standard was applied: EN61800-3, EN55011, EN61000-4-2, EN61000-4-3, EN61000-4-4, EN61000-4-5, EN61000-4-6, EN61000-4-8 The following manufacturer/importer is responsible for this declaration: Delta Electronics, Inc. (Company Name) Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com...

  • Page 85: Appendix G Nfb (No-Fuse Breaker) Specification

    Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com APPENDIX Non-fuse Circuit Breaker Chart Per UL 508C, paragraph 44.8.6, part a, 1. For 1-phase drives, the current rating of the breaker shall be four times Max. of input current rating. 2. For 3-phase drives, the current rating of the breaker shall be four times Max. of output current rating.
  • Page 86 Call 1(800)985-6929 for Sales deltaacdrives.com sales@deltaacdrives.com Fuse Specification Chart Smaller fuses than those shown in the table are permitted. Line Fuse Input Output Model Current (A) Current (A) I (A) Bussmann P/N VFD007A21A JJN-40 VFD007A23A JJN-20 VFD007A43A JJS-10 VFD015A21A JJN-60 VFD015A23A JJN-25 VFD015A43A...

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