Page 1 Mail: Sales.IA.RU@deltaww.com TEL: +7 495 644 3240 Delta Electronics ( Americas ) Ltd. USA: Delta Greentech Elektronik San. Ltd. Sti. ( Turkey ) 5101 Davis Drive, Research Triangle Park, NC 27709, U.S.A. Turkey: TEL: +1-919-767-3813 / FAX: +1-919-767-3969 Şerifali Mah. Hendem Cad. Kule Sok. No:16-A 34775 Ümraniye –...
Page 2 All information contained in this user manual is the exclusive property of Delta Electronics Inc. (hereinafter referred to as "Delta ") and is protected by copyright law and all other laws. Delta retains the exclusive rights of this user manual in accordance with the copyright law and all other laws. No parts in this manual may be reproduced, transmitted, transcribed, translated or used in any other ways without the prior consent of Delta.
Page 3 READ PRIOR TO INSTALLATION FOR SAFETY.  Disconnect AC input power before connecting any wiring to the AC motor drive.  Even if the power has been turned off, a charge may still remain in the DC-link capacitors with hazardous voltages before the POWER LED is OFF. Do NOT touch the internal circuits and components.
Page 4: Table Of Contents
Table of Contents Introduction ............................. 1 1-1 Receiving and Inspection ........................... 3 1-2 Preparation for Installation and Wiring ....................... 8 1-3 Dimensions ............................... 11 Installation and Wiring ......................... 15 2-1 Wiring ................................17 2-2 External Wiring ..............................21 2-3 Main Circuit ..............................22 2-4 Control Terminals .............................
Page 5 5-9 Motor Speed Cannot be Changed .........................168 5-10 Motor Stalls during Acceleration ........................169 5-11 The Motor Does Not Run as Expected ......................170 5-12 Electromagnetic/Induction Noise ........................171 5-13 Operating Environment Condition ........................172 5-14 Affecting Other Machines ..........................173 Fault Code Information and Maintenance ..................175 6-1 Fault Code Information ...........................177 6-2 Maintenance and Inspections ........................181 Appendix A.
Page 6: Introduction
Chapter 1 IntroductionVFD-EL-W Introduction 1-1 Receiving and Inspection 1-2 Preparation for Installation and Wiring 1-3 Dimensions...
Page 7 Chapter 1 IntroductionVFD-EL-W Keep the AC motor drive in the shipping carton or crate before installation. In order to retain the warranty coverage, properly store the AC motor drive when it is not to be used for an extended period of time. The proper storage conditions are listed below.
Page 8 Chapter 1 IntroductionVFD-EL-W 1-1 Receiving and Inspection This VFD-EL-W AC motor drive has gone through rigorous quality control tests at the factory before shipment. After receiving the AC motor drive, please check for the following:  Inspect the unit to ensure it was not damaged during shipment. ...
Page 9 Chapter 1 IntroductionVFD-EL-W Drive Frames and Appearances Frame A1 digital keypad input terminals choose NPN/PNP choose ACI/AVI frequency control knob control treminals digital keypad RS485 terminal (RJ45) control board cover output terminals grounding terminals Frame A2 digital keypad input terminals NPN/PNP 选择...
Page 10 Chapter 1 IntroductionVFD-EL-W Frame B digital keypad input terminals NPN/PNP 选择 choose NPN/ PNP choose AVI/ ACI frequency control knob control terminalsl digital keypad RS485 terminal (RJ45) case control board cover output terminals grounding terminals Frame Power Range Models 0.25–1 HP VFD002EL21W(-1), VFD004EL21W(-1) / 43W(-1), (0.2–0.75 kW) VFD007EL21W(-1) / 43W(-1)
Page 11 Chapter 1 IntroductionVFD-EL-W RFI Jumper The drive contains Varistors / MOVs that are connected from phase to phase and from phase to ground to prevent the drive from unexpected stop or damage caused by main surges or voltage spikes. Because the Varistors / MOVs from phase to ground are connected to ground with the RFI jumper, removing the RFI jumper disables the protection.
Page 12 Chapter 1 IntroductionVFD-EL-W Remove the control board cover Remove cooling fan: As shown in Step 1 below, gently press the control To remove the cooling fan of Frame B, gently release the clips board cover. Then, as shown in Step 2, pull it down on both sides of the cooling fan.
Page 13 Chapter 1 IntroductionVFD-EL-W 1-2 Preparation for Installation and Wiring Ambient Conditions Install the AC motor drive in an environment with the following conditions. -10–50°C (14–122°F) Temperature (Excluding VFD007EL21W/ VFD007EL21W-1) Relative Humidity < 90%, non-condensing Atmospheric pressure 86–106 kPa Operation Installation Site Altitude <1000 m 1.0 mm, peak-to-peak value: from 2–13.2 Hz;...
Page 14 Chapter 1 IntroductionVFD-EL-W Minimum Mounting Clearance (Blue arrow) Inflow (Red arrow) Outflow (Black) Distance Single Drive Installation Side-by-Side Horizontal Installation Zero-stack Installation Minimum Distance Temperature °C (mm) Installation Model Name Method Max.(Derating is not Max.(Derating is Note 1 required) required) Note 3 Single Drive Side-by-Side...
Page 15 Chapter 1 IntroductionVFD-EL-W  Mount the AC motor drive vertically on a flat vertical surface with screws. Other mounting directions are not allowed.  The AC motor drive generates heat during operation. Allow sufficient space around the unit for heat dissipation.
Page 16: Dimensions
Chapter 1 IntroductionVFD-EL-W 1-3 Dimensions Frame A1 VFD002EL21W(-1), VFD004EL21W(-1), VFD004EL43W(-1), VFD007EL21W(-1), VFD007EL43W(-1) See A (mounting hole) Unit: mm (inch) Frame 92.0 82.0 162.0 128.7 (3.62) (3.23) (6.38) (5.98) (5.07) (0.21) (0.21)
Page 17 Chapter 1 IntroductionVFD-EL-W Frame A2 VFD015EL43W(-1) See A (mounting hole) Unit: mm (inch) Frame 92.0 82.0 180.5 162.0 128.7 (3.62) (3.23) (7.11) (6.38) (5.98) (5.07) (0.08) (0.21)
Page 18 Chapter 1 IntroductionVFD-EL-W Frame B VFD015EL21W(-1), VFD022EL21W(-1), VFD022EL43W(-1), VFD040EL43W(-1), VFD055EL43W(-1) See A See B (mounting hole) (mounting hole) Unit: mm (inch) Frame 100.0 89.0 174.0 162.9 136.0 (3.94) (3.50) (6.86) (6.42) (5.36) (0.16) (0.23) (0.21)
Page 19 Chapter 1 IntroductionVFD-EL-W [This page is intentionally left blank]...
Page 20: Installation And Wiring
Chapter 2 Installation and WiringVFD-EL-W Installation and Wiring 2-1 Wiring 2-2 External Wiring 2-3 Main Circuit 2-4 Control Terminals 2-5 NPN / PNP Mode...
Page 21 Chapter 2 Installation and WiringVFD-EL-W After removing the covers of input/ output side terminals and control board terminals, verify the main circuit terminals and control circuit terminals are clear. Be sure to observe the following precautions when wiring.  Turn off the AC motor drive power before installing any wiring. A hazardous charge may still remain in the DC bus capacitors after the power has been turned off.
Page 22: Wiring
Chapter 2 Installation and WiringVFD-EL-W 2-1 Wiring There are wirings for main circuits and control circuits. You must wire according to the following wiring diagrams. 230V One-phase VFD002EL21W(-1), VFD004EL21W(-1), VFD007EL21W(-1), VFD015EL21W(-1), VFD022EL21W(-1) Fuse/NFB (No Fuse Breaker) Motor R(L1) U(T1) S(L2) V(T2) 3～...
Page 23 Chapter 2 Installation and WiringVFD-EL-W 460V Three-phase VFD004EL43W(-1), VFD007EL43W(-1), VFD015EL43W(-1), VFD022EL43W(-1), VFD040EL43W(-1), VFD055EL43W(-1) Fuse/NFB (No Fuse Breaker) Motor R(L1) U(T1) S(L2) V(T2) 3～ W(T3) T(L3) +24V Run/Stop Multi-step1 Switch Factory Multi-step2 Setting Multi-step3 Digital signal common Multi-function contact output Factory setting is +10V malfunction indication AVI/ACI...
Page 24  Use ground leads that comply with local regulations and keep them as short as possible. The VFD-EL-W series does not have a built-in brake unit，and no support for external brake  unit and brake resistor. ...
Page 25 Chapter 2 Installation and WiringVFD-EL-W  To prevent lightning strike and electric shock, the metal grounding wire of electrical equipment should be thick and short, and connected to the dedicated grounding terminal of the inverter system.  You can install multiple VFD-EL-W units in one location. All the units should be grounded directly to a common ground terminal, as shown in the figure below.
Page 26: External Wiring
Chapter 2 Installation and WiringVFD-EL-W 2-2 External Wiring Items Explanations Please follow the specific power supply Power supply requirements in Appendix A. There may be an inrush current during power- Fuse/NFB up. Please check the chart in Appendix B and select the correct fuse for the rated current.
Page 27: Main Circuit
Chapter 2 Installation and WiringVFD-EL-W 2-3 Main Circuit 2-3-1 Main Circuit Connection No Fuse Breaker (NFB) Motor R(L1) U(T1) S(L2) V(T2) T(L3) W(T3) Terminal Symbol Explanation of Terminal Function Mains input terminals (one-phase/ three-phase) R/L1, S/L2, T/L3 Motor drive output terminals for connecting three-phase induction motor U/T1, V/T2, W/T3 Ground connection.
Page 28 When it is necessary to install the filter at the output side of terminals U/T1, V/T2, W/T3 on the AC motor drive, use an inductance filter. Do not use phase- compensation capacitors or L-C (Inductance-Capacitance) or R-C (Resistance- Capacitance), unless approved by Delta.  DO NOT connect phase-compensation capacitors or surge absorbers at the output terminals of AC motor drives.
Page 29 Chapter 2 Installation and WiringVFD-EL-W 2-3-2 Main Circuit Terminals Frame A1 Frame A2 Frame B Main Circuit Terminals R/L1, S/L2, T/L3, U/T1, V/T2, W/T3, Frame Model Maximum Minimum Screw Size Wire Wire Tightening Gauge Gauge Torque (±10%) 4 mm VFD007EL21W(-1) (12AWG) M4 screw 4 mm...
Page 30: Control Terminals
Chapter 2 Installation and WiringVFD-EL-W 2-4 Control Terminals 2-4-1 Control Terminals Description Terminal symbols and functions Terminal Terminal Function Defaults (NPN mode) ON: Connect to DCM Symbol ON: Run in MI1 direction Run-Stop Command OFF: Stop acc. to Stop Method Refer to Pr.04.06 to Pr.04.08 for programming the multi- Multi-function Input 2 function inputs.
Page 31 Chapter 2 Installation and WiringVFD-EL-W Terminal Terminal Function Defaults (NPN mode) ON: Connect to DCM Symbol Inductive Load: 1.5 A (N.O.) / 0.5 A (N.C.) 240 V Multi-function Relay Common 1.5 A (N.O.) / 0.5 A (N.C.) 24 V Refer to Pr.03.00 for programming +10V Potentiometer Power Supply +10 V...
Page 32 Chapter 2 Installation and WiringVFD-EL-W 2-4-2 Specification for the control terminals Single Row Terminal Double Row Terminal Frame Model Wire Torque (±10%) Torque (±10%) VFD007EL21W(-1) VFD007EL43W(-1) VFD015EL43W(-1) 4 kgf-cm 7 kgf-cm VFD015EL21W(-1) 16–24 AWG (3.5 lbf-in) (6.2 lbf-in) (1.3–0.2 mm VFD022EL21W(-1) (0.4 N-m) (0.7 N-m)
Page 33: Npn / Pnp Mode
Chapter 2 Installation and WiringVFD-EL-W 2-5 NPN / PNP Mode NPN/PNP Internal power supply External power supply SWITCH NPN/Sink Switch-NPN SWITCH PNP/Source Switch-PNP NOTE: The +24V-DCM internal 24V power capacity is 60 mA. For the output capacity of other external loads, the current consumption of the corresponding number of MI terminals should be deducted (6 mA for each MI terminal).
Page 34: Keypad And Start-Up
Chapter 3 Keypad and Start-up VFD-EL-W Keypad and Start-up 3-1 Description of the Digital Keypad 3-2 Operation Method 3-3 Trial Run...
Page 35 Chapter 3 Keypad and Start-up VFD-EL-W  Make sure that the wiring is correct. In particular, ensure that the output terminals U/T1, V/T2, W/T3 are NOT connected to power and that the drive is well grounded.  Verify that no other equipment is connected to the AC motor drive. Do NOT operate the AC motor drive with wet hands.
Page 36: Description Of The Digital Keypad
Chapter 3 Keypad and Start-up VFD-EL-W 3-1 Description of the Digital Keypad 3-1-1 Digital Keypad Appearance VFD-EL-W series operates the running and displays the functions by the digital keypad. There are four LEDs on the keypad  STOP: Lights when the drive stops.
Page 37 Chapter 3 Keypad and Start-up VFD-EL-W 3-1-2 Description of the Displayed Functions Display Function Description Displays current setting frequency of the AC motor drive. Displays the actual output frequency to the motor. Displays the user-defined unit (where U = F x Pr.00.05) Displays the loading current.
Page 38 Chapter 3 Keypad and Start-up VFD-EL-W 3-1-3 Keypad Operation Process Setting Mode S TART MODE MODE MODE MODE MODE GO START NOTE: In the selection mode, press to set the parameters. MODE Setting parameters Input data error Success to ENTER ENTER ENTER set parameter.
Page 39: Operation Method
Chapter 3 Keypad and Start-up VFD-EL-W 3-2 Operation Method You can set Pr.02.01 to select the operation method to be through the digital keypad, RS-485 communication or control terminals. Operation Method Frequency Source Operation Command Source When using communication from the PC, use an IFD6500 / IFD6530 or IFD8500 Operate through converter to connect the drive to the PC.
Page 40: Trial Run
Chapter 3 Keypad and Start-up VFD-EL-W 3-3 Trial Run The default for the operation source is the digital keypad. The setting methods are as follows:  After applying power, verify that the LED display shows F 60.0 Hz.  Press key to set the frequency to be around 5 Hz.
Page 41 Chapter 3 Keypad and Start-up VFD-EL-W [This page is intentionally left blank]...
Page 42: Parameters
Chapter 4 Parameters｜VFD-EL-W Parameters 4-1 Summary of Parameter Settings 4-2 Parameter Settings for Applications 4-3 Description of Parameter Settings 4-4 Adjustment and Application...
Page 43 Chapter 4 Parameters｜VFD-EL-W The VFD-EL-W parameters are divided into 11 groups by property for easy setting. In most applications, users can complete all parameters settings before starting-up according to the relevant parameters settings in the parameter group. The 11 parameter groups are as following: 00: User Parameters 01: Basic Parameters 02: Operation Method Parameters...
Page 44: User Parameters
Chapter 4 Parameters｜VFD-EL-W 4-1 Summary of Parameter Settings NOTE: Parameters/ options marked in Gray are applied only for V1.00_5.5 kW models. 00 User Parameters  You can set this parameter during operation. Parameter Name Setting Range Default 0: 230V, 0.25 HP 2: 230V, 0.5 HP 3: 460V, 0.5 HP 4: 230V, 1 HP...
Page 45 Chapter 4 Parameters｜VFD-EL-W Parameter Name Setting Range Default 8: Display the setting value and the feedback of PID control (P) 9: Display AVI analog input terminal signal (V) (I) 10: Display ACI analog input terminal signal (mA/V) 11: Display IGBT temperature (°C) (h) 00.05 User-Defined Coefficient K 0.1–160.0 ...
Page 46: Basic Parameters
Chapter 4 Parameters｜VFD-EL-W 01 Basic Parameters  You can set this parameter during operation. Parameter Name Setting Range Default 60.00/ 01.00 Max. Operation Frequency 50.00–400.0 Hz 50.00 60.00/ 01.01 Motor Rated Frequency 0.10–400.0 Hz 50.00 220.0/ 230V models: 0.1–255.0 V 230.0 01.02 Motor Rated Voltage 380.0/...
Page 47 Chapter 4 Parameters｜VFD-EL-W Parameter Name Setting Range Default S-Curve Deceleration 01.18 0.0–10.0 sec./ 0.00–10.00 sec. Time Setting Time Unit for Acceleration 0: Unit 0.1 sec. 01.19 and Deceleration 1: Unit 0.01 sec. Simple Positioning Stop 01.20 0.00  Frequency 0 Simple Positioning Stop 01.21 5.00...
Page 48: Operation Method Parameters
Chapter 4 Parameters｜VFD-EL-W 02 Operation Method Parameters  You can set this parameter during operation. Parameter Name Setting Range Default 0: Digital keypad input or external terminals (up/ down function) First Master Frequency 1: External terminal AVI analog input DC 0–10V 02.00 ...
Page 49 Chapter 4 Parameters｜VFD-EL-W Parameter Name Setting Range Default 3: Operates at the frequency of Pr.02.11 0: By Up/ Down key External Terminal Up/Down 1: By acceleration/ deceleration time 02.07 Key Mode Selection 2: By constant speed (Pr.02.08) 3: By pulse (Pr.02.08) External Terminal Speed of 02.08 0.01–10.00 Hz/2ms...
Page 50 Chapter 4 Parameters｜VFD-EL-W Parameter Name Setting Range Default 8: bit3 = 1: External MI terminals 02.18 User-defined Value Setting 0–Pr.00.13 Read 02.19 User-defined Value 0–9999 only...
Page 51: Output Function Parameters
Chapter 4 Parameters｜VFD-EL-W 03 Output Function Parameters  You can set this parameter during operation. Parameter Name Setting Range Default 0: No function 1: Indication during RUN 2: Master frequency reached 3: Indication at zero speed 4: Over-torque detection 5: Base Block (B.B) indication 6: Low-voltage indication 7: Operation mode indication 8: Fault indication...
Page 52 Chapter 4 Parameters｜VFD-EL-W Parameter Name Setting Range Default 0: Fan is always ON 1: Fan is OFF after the AC motor drive stops for one minute. 2: Fan is ON when the AC motor drive runs; fan is (For fan OFF when the AC motor drive stops 03.08 Fan Cooling Control cooling...
Page 53: Input Function Parameters
Chapter 4 Parameters｜VFD-EL-W 04 Input Function Parameters  You can set this parameter during operation. Parameter Name Setting Range Default 04.00 Keypad Potentiometer Bias 0.0–100.0%  Keypad Potentiometer Bias 0: Positive bias 04.01  Direction 1: Negative bias 04.02 Keypad Potentiometer Gain 0.1–200.0% 100.0 ...
Page 54 Chapter 4 Parameters｜VFD-EL-W Parameter Name Setting Range Default 22: Second frequency command source 23: Simple positioning FWD stop limit 24: Simple positioning REV stop limit 25: Multi-pump manual/ auto switch 29: Prohibit write EEPROM Multi-Function Input Contact 04.09 0–63 Selection (N.O./ N.C.) Digital Terminal Input Response 04.10 1–20 (*2ms)
Page 55 Chapter 4 Parameters｜VFD-EL-W 05 Multi-Step Speed Parameters  You can set this parameter during operation. Parameter Name Setting Range Default 05.00 1 Step Speed Frequency 0.00–400.0 Hz 0.00  05.01 2 Step Speed Frequency 0.00–400.0 Hz 0.00  05.02 3 Step Speed Frequency 0.00–400.0 Hz 0.00 ...
Page 56 Chapter 4 Parameters｜VFD-EL-W 06 Protection Parameters  You can set this parameter during operation. Parameter Name Setting Range Default 0: Disable Over-Voltage Stall 06.00 230V models: 330.0–410.0 V 390.0 Prevention 460V models: 660.0–820.0 V 780.0 Over-Current Stall 06.01 Prevention during 20–250% (0: Disable) ...
Page 57 Chapter 4 Parameters｜VFD-EL-W Parameter Name Setting Range Default 06.24 Fault Record 9 8: External fault (EF) 06.25 Fault Record 10 9: Over-current during acceleration (ocA) 10: Over-current during deceleration (ocd) 11: Over-current at constant speed (ocn) 12: Reserved 13: Reserved 14: Phase loss (PHL) 15: Reserved 16: Auto-acceleration/ auto-deceleration fail (cFA)
Page 58 Chapter 4 Parameters｜VFD-EL-W Parameter Name Setting Range Default Drive Internal Temperature 06.30 0–65535 Fault 1 Output Frequency Fault 2 06.31 0–65535 (Hz) 06.32 Output Current Fault 2 0–65535 06.33 Output Voltage Fault 2 0–65535 06.34 DC bus Voltage Fault 2 0–65535 Drive Internal Temperature 06.35...
Page 59 Chapter 4 Parameters｜VFD-EL-W 07 Motor Parameters  You can set this parameter during operation. Parameter Name Setting Range Default 30–120% FLA 100% 07.00 Motor Rated Current  (FLA: drive’s rated current) 07.01 No-Load Current for Motor 0–99% FLA  07.02 Auto-Torque Compensation 0.0–10.0 ...
Page 60 Chapter 4 Parameters｜VFD-EL-W 08 Special Parameters  You can set this parameter during operation. Parameter Name Setting Range Default 08.00 DC Brake Current Level 0–100% 08.01 DC Brake Time at Start-up 0.0–60.0 sec. 08.02 DC Brake Time at STOP 0.0–60.0 sec. 08.03 DC Brake Frequency at STOP 0.00–400.0 Hz 0.00 0: Stop operation...
Page 61 Chapter 4 Parameters｜VFD-EL-W 09 Communication Parameters  You can set this parameter during operation. Parameter Name Setting Range Default 09.00 Communication Address 1–254  0: Baud rate 4800 bps Communication 1: Baud rate 9600 bps 09.01  Transmission Speed 2: Baud rate 19200 bps 3: Baud rate 38400 bps 0: Warn and continue operation Communication Fault...
Page 62 Chapter 4 Parameters｜VFD-EL-W 10 PID Control Parameters  You can set this parameter during operation. Parameter Name Setting Range Default 0: PID function disabled 1: Digital keypad 10.00 PID Set Point Selection 2: Reserved 3: Reserved 4: PID reference target value (Pr.10.11) 0: Positive PID feedback from external terminal AVI (0–...
Page 63 Chapter 4 Parameters｜VFD-EL-W Parameter Name Setting Range Default PID Feedback Physical 10.18 1.0–99.9 99.9 Quantity PID Calculation Mode 0: Serial connection 10.19 Selection 1: Parallel connection 0: Warn and continue operation (no treatment) 1: Warn and coast to stop 2: Warn and ramp to stop PID Error Deviation 10.20 3: Ramp to stop and restart after Pr.10.21 delay time...
Page 64 Chapter 4 Parameters｜VFD-EL-W Parameter Name Setting Range Default Pump Reaches Switching 10.41 Stop Frequency Detection 0.0–3600.0 sec.  Time Pump’s Frequency at 10.42 0.0–Fmax 0.00  Time-Out (Disconnection) bit 0: When the operating pump is failed, whether it switches to an alternative pump or not 0: Stop all pump action 1: Switch to an alternative pump bit 1: During the operation, stop or standby after...
Page 65 Chapter 4 Parameters｜VFD-EL-W 4-2 Parameter Settings for Applications Speed Search The operating motor can be restarted without waiting for a complete stop. The drive automatically searches the motor speed, and accelerates when the speed reaches the motor speed. Applications Purpose Related Parameters Inertial loads such as windmills The motor restarts during...
Page 66 Chapter 4 Parameters｜VFD-EL-W Operation Command Select the AC motor drive control by external terminals or digital keypad Applications Purpose Related Parameters Select the control signal source Pr.02.01, Pr.04.06–04.08 General application Frequency Hold Hold the output frequency during acceleration and deceleration Applications Purpose Related Parameters...
Page 67 Chapter 4 Parameters｜VFD-EL-W Carrier Frequency Setting Increase the carrier frequency to reduce motor noise Applications Purpose Related Parameters Reduce noise Pr.02.03 General application Keep Running when Frequency Command is Lost When the frequency command is lost due to system malfunction, the AC motor drive can still operate. Applicable for air-conditioning equipment of intelligent buildings Applications Purpose...
Page 68 Chapter 4 Parameters｜VFD-EL-W Output Signal at Low Voltage When low voltage is detected after the motor detects the P-N voltages, the drive gives a signal for an external system or control wiring. Applications Purpose Related Parameters Provide a signal for operation Pr.03.00 General application status...
Page 69 Chapter 4 Parameters｜VFD-EL-W 4-3 Description of Parameter Settings 00 User Parameters  You can set this parameter during operation. 00.00 AC Motor Drive Identity Code Default: #.# Settings Read only 00.01 AC Motor Drive Rated Current Display Default: #.# Settings Read only ...
Page 70 Chapter 4 Parameters｜VFD-EL-W To write all parameters, set Pr.00.02 = 0.  7: Long press the ENTER key for 5 sec. to lock the keypad and setting knob. When the frequency command source is the keypad potentiometer (Pr.02.00 = 4), set Pr.00.02 = 7 after setting the required frequency command, then the keypad potentiometer does not change the drive’s frequency command.
Page 71 Chapter 4 Parameters｜VFD-EL-W  In the flow control occasions such as constant pressure water pumps using PID control, set Pr.00.03 = 3 and Pr.00.04 = 8. When the drive reboots after powered off, the start-up screen displays 00:00 (as shown in the figure above). The displayed value on the left of “:” is the physical quantity of PID target value;...
Page 72 Chapter 4 Parameters｜VFD-EL-W settings, you must enter the correct password in Pr.00.08 to deactivate the password temporarily, and this would make Pr.00.09 become 0. NOTE: If you set Pr.00.09 to 0, you deactivate the password protection function. There will be no password protection when you reboot the drive.
Page 73 (3) Check other parameter values that password in are displayed as 0.00 (according to Pr.00.09, contact the original decimal places of the Delta for customer parameters), which protects the service. customer's parameters. (4) You can still modify the frequency command (F) and PID target value.
Page 74 Chapter 4 Parameters｜VFD-EL-W Notes for Unlock/ Protection Protection Effort Decoding (1) If you need to change the process Combination setting controlling (1) Set Pr.00.02 = 8 to lock parameters such as the keypad first frequency command (2) Long press the ENTER (F) or PID target key for 5 seconds, set value, long press the...
Page 75 Chapter 4 Parameters｜VFD-EL-W 00.11 Reserved 00.12 50 Hz Power System Base Voltage Setting Default: 0 Settings 0: 230V/ 400V 1: 220V/ 380V  Determines the base voltage initial value when the motor drive resets with 50 Hz power system. User-Defined Value (corresponds to Max. operation frequency Pr.01.00) 00.13 Default: 0 Settings...
Page 76 Chapter 4 Parameters｜VFD-EL-W 01 Basic Parameters  You can set this parameter during operation. 01.00 Max. Operation Frequency Default: 60.00 / 50.00 Settings 50.00–400.00 Hz 01.01 Motor Rated Frequency Default: 60.00 / 50.00 Setting 0.10–400.00 Hz  Set this parameter according to the rated voltage on the motor nameplate. 01.02 Motor Rated Voltage Default:...
Page 77 Chapter 4 Parameters｜VFD-EL-W 01.06 Min. Output Voltage Setting Default: 10.0 / 20.0 Settings 230V models: 0.1–255.0 V 460V models: 0.1–510.0 V  For 230V models, the default is 10.0 V; for 460V models, the default is 20.0 V.  Sets the minimum start-up voltage of V/F curve. ...
Page 78 Chapter 4 Parameters｜VFD-EL-W maximum output frequency will not be larger than 60 Hz even executing slip compensation. If the output frequency must be larger than 60 Hz, adjust the output frequency upper limit or increase the maximum operation frequency. 01.09 Acceleration Time 1 ...
Page 79 Chapter 4 Parameters｜VFD-EL-W 01.13 JOG Acceleration Time  Default: 1.00 Settings 0.1–600.0 sec./ 0.01–600.00 sec. 01.14 JOG Deceleration Time  Default: 1.00 Settings 0.1–600.0 sec./ 0.01–600.00 sec. 01.15 JOG Frequency Setting  Default: 6.00 Settings 0.10–400.0 Hz  Use only external terminal JOG (setting MI2, MI3 or MI4 to 8). When the JOG command is ON, the AC motor drive accelerates from the Minimum Output Frequency (Pr.01.05) to the JOG Frequency (Pr.01.15).
Page 80 Chapter 4 Parameters｜VFD-EL-W parameter is set to 4, the actual acceleration/deceleration time vary with the setting for Pr.01.09– Pr.01.12. Therefore, the actual acceleration/ deceleration time are equal to or greater than Pr.01.09–Pr.01.12.  Using auto-acceleration and auto-deceleration can avoid complicated adjustment procedures. It does not stall during acceleration and does not need a brake resistor during deceleration to stop.
Page 81 Chapter 4 Parameters｜VFD-EL-W 01.22 Simple Positioning Stop Frequency 2  Default: 10.00 Settings 0.00–400.0 Hz 01.23 Simple Positioning Stop Frequency 3  Default: 20.00 Settings 0.00–400.00 Hz 01.24 Simple Positioning Stop Frequency 4  Default: 30.00 Settings 0.00–400.00 Hz 01.25 Simple Positioning Stop Frequency 5 ...
Page 82 Chapter 4 Parameters｜VFD-EL-W S: operation distance n: rotation speed (revolution) (revolution/ minute) n: rotation speed p: number of poles in the (revolution/second) motor : delay time (second) f: operation frequency (Hz) : deceleration time (second) The value of t in the equation above describes as below. 1.1 When the slope is negative (t1 >...
Page 83 Chapter 4 Parameters｜VFD-EL-W Example 2: Assume that the motor swivel table rotates at 1.5 Hz, and Pr.01.22 = 10 Hz [Simple Positioning Stop Frequency 2], and Pr.01.30 = 10 sec. [Simple Positioning Stop Delay Time 2], then the deceleration time from 60 Hz to 0 Hz is 40 seconds. The delay time at stop for 1.5 Hz is 1.5 second;...
Page 84 Chapter 4 Parameters｜VFD-EL-W 02 Operation Method Parameters  You can set this parameter during operation. 02.00 First Master Frequency Command Source  Default: 0 Settings 0: Digital keypad or external terminals (up/ down function) 1: External terminal AVI analog signal DC 0–10V 2: External terminal ACI analog signal DC 4–20 mA 3: RS-485 communication input 4: Digital keypad potentiometer knob...
Page 85 Chapter 4 Parameters｜VFD-EL-W 02.02 Stop Method Default: 0 Settings 0: Ramp to stop; E.F.: Coast to stop 1: Coast to stop; E.F.: Coast to stop 2: Ramp to stop; E.F.: Coast to stop 3: Ramp to stop; E.F.: Coast to stop 4: Simple positioning stop;...
Page 86 Chapter 4 Parameters｜VFD-EL-W 02.03 PWM Carrier Frequency Selection Default: 8 Settings 2–12 kHz  Determines the PWM carrier frequency for the AC motor drive.  From the table, you see that the PWM carrier frequency has significant influences on the electromagnetic noise, the AC motor drive heat dissipation, and the motor acoustic noise.
Page 87 Chapter 4 Parameters｜VFD-EL-W (5) For model VFD055EL43W, when that the ambient temperature is 50°C and the default carrier frequency is 4 kHz, the drive output current reaches 100% of the rated current. If the carrier frequency is 12 kHz, the drive output current should be controlled within 40% of the rated current.
Page 88 Chapter 4 Parameters｜VFD-EL-W 4: Runs when reset or power-on, changes operation command according to the external terminal status when the command source is 2-wire external terminal  As shown in the table below, when the operation command source is the external terminal, the operation command remains, and the AC motor drive power is ON, this parameter determines whether the AC motor drive changes the drive operating status or not according to the external terminal status.
Page 89 Chapter 4 Parameters｜VFD-EL-W  Changing operation command source: Regardless of whether the AC motor drive runs or stops, when the new operation command source is the external terminals, and the terminal status (ON: RUN, OFF: STOP) are different with the drive current status, the AC motor drive operates according to Pr.02.05. (1) Pr.02.05 = 0 or 1: the status of the AC motor drive is not changed by the terminal status.
Page 90 Chapter 4 Parameters｜VFD-EL-W Pr.02.07 = 0: Use the Up/ Down keys on the digital keypad to increase or decrease the frequency command. Pr.02.07 = 1: The increasing or decreasing Frequency command (F) operates according to the setting for acceleration or deceleration time, only valid during operation. Pr.02.07 = 2: Increase and decrease the frequency command according to the setting for Pr.02.08.
Page 91 Chapter 4 Parameters｜VFD-EL-W 02.16 Frequency Command Source Display Default: Read only Settings 1: bit0 = 1: First frequency command source (Pr.02.00) 2: bit1 = 1: Second frequency command source (Pr.02.09) 4: bit2 = 1: Set by external MI terminal  This parameter is read only, you can read the frequency command source from this parameter. 02.17 Operation Command Source Display Default: Read only...
Page 92 Chapter 4 Parameters｜VFD-EL-W 03 Output Function Parameters  You can set this parameter during operation. 03.00 Multi-Function Output Relay Default: 8 Settings 0–23  Summary of Function Settings Functions Descriptions No function Output terminal with no function This contact is closed when the drive is ready or RUN command Indication during RUN is ON.
Page 93 Chapter 4 Parameters｜VFD-EL-W Functions Descriptions Zero speed including Zero speed output signal (including STOP) STOP This contact is closed when warning occurs. (CExx, AUE, FbE, Warning indication SAvE) This contact is closed when the output frequency ≥ Pr.03.11 Mechanical brake setting value When the drive stops and the output frequency ≤...
Page 94 Chapter 4 Parameters｜VFD-EL-W NOTE: When the display shows c555, the drive has counted 555 times. If the display shows c555•, it means that the actual counter value is between 5,550 and 5,559. 03.06 Preliminary Count Value Reached Default: 0 Settings 0–9999 ...
Page 95 Chapter 4 Parameters｜VFD-EL-W 03.11 Mechanical Brake Release Frequency Default: 0.00 Settings 0.00–20.00 Hz 03.12 Mechanical Brake Active Frequency Default: 0.00 Settings 0.00–20.00 Hz  Set the closing (ON) and breaking frequency of the output terminal (Relay) corresponding to the control parameter 03.00 multi-function output terminal 21: Mechanical brake control. Frequency Output Case 1: Pr.03.12...
Page 96 Chapter 4 Parameters｜VFD-EL-W 04 Input Function Parameters  You can set this parameter during operation. 04.00 Keypad Potentiometer Bias  Default: 0.00 Settings 0.0–100.0% 04.01 Keypad Potentiometer Bias Direction  Default: 0 Settings 0: Positive bias 1: Negative bias 04.02 Keypad Potentiometer Gain ...
Page 97 Chapter 4 Parameters｜VFD-EL-W Example 2: If you want the corresponded minimum value to be 12 Hz when the keypad potentiometer is turned to the minimum position (Min.), you need to adjust other frequencies manually. From the diagram below, you can see that the correspondence between the keypad potentiometer (voltage) and setting frequency has been changed from 0–5 V (min.–max.) / 0–60 Hz to 0–4 V / 0–60 Hz.
Page 98 Chapter 4 Parameters｜VFD-EL-W Example 5: Using negative bias to set the frequency greatly reduces the noise interference. In a noisy environment, do NOT use signals less than 1V to set the drive’s operation frequency. Frequency/Hz Default: Pr.01.00 60Hz Pr.01.00=60 Hz Max.
Page 99 Chapter 4 Parameters｜VFD-EL-W Example 8: This example uses negative slope. The rotate direction of this application cannot be changed, and the drive can only operates in a reverse direction. Pay extra attention when using this application. Frequency/Hz Default: Pr.01.00=60 Hz Max.
Page 100 Chapter 4 Parameters｜VFD-EL-W 04.04 MI Terminal Start/ Stop Method and Multi-Function Input Selection Default: 0 Settings Mode 1: Pr.04.19 = 0 0: MI1 activates (FWD lights ON) / stops Mode 2: Pr.04.19 = 1 0: Two-wire (1) MI1, MI2 1: Two-wire (2) MI1, MI2 3: Three-wire MI1, MI2 and MI3 ...
Page 101 Chapter 4 Parameters｜VFD-EL-W Pr.04.19 Setting Pr.04.04 Setting External Terminal Control Circuits Pr.04.04 = 0 Mode 1 Single-wire operation Pr.04.19 = 0 control FWD / STOP Pr.04.04 = 0 Two-wire operation Mode 2 control Pr.04.19 = 1 FWD / STOP, REV / STOP Pr.04.04 = 1 Two-wire operation...
Page 102 Chapter 4 Parameters｜VFD-EL-W Summary of Function Settings Functions Descriptions This setting disables the terminal function, the drive does not take any action even when there is a signal input. Set the unused terminal to 0 to No function prevent mis-connection or malfunction. Multi-step speed command 1 Multi-step speed...
Page 103 Chapter 4 Parameters｜VFD-EL-W Functions Descriptions ON: the output of the drive stops immediately and the motor is in free run status. When Base Block control is deactivated, the drive starts its speed search function and synchronizes with the motor speed, and then accelerates to the set frequency.
Page 104 Chapter 4 Parameters｜VFD-EL-W Functions Descriptions ON: all parameters are read as 0. Change the terminal status to OFF to Parameter lock read the parameter settings. ON: operation command source is external terminals Operation command OFF: operation command source is Pr.02.01 setting (NOTE: When 18, selection (Pr.02.01): 19 and 20 are ON at the same time, the priority of operation command External terminals...
Page 105 Chapter 4 Parameters｜VFD-EL-W Start-up/ Stop Mode MI Terminal Status Setting Terminals Occupied Multi-function Input Mode Pr.04.19 Pr.04.04 bit 3 bit 2 bit 1 bit 0 by the Start-up/ Terminal Stop Function Single- MI4, MI3 and MI2 MI1 is only wire can be set as N.O.
Page 106 Chapter 4 Parameters｜VFD-EL-W 04.26 Display the Status of Multi-function Input Terminal Default: Read only Settings Read only  Displays 63 in Pr.04.26 when all the MI terminals are not active.  When MI1 (corresponds to bit0) is triggered, and the weight is 1, Pr.04-26 = 62 (63-1). When MI2 (corresponds to bit1) is triggered, and the weight is 2, Pr.04-26 = 61 (63-2).
Page 107 Chapter 4 Parameters｜VFD-EL-W 04.28 Status Selection of Multi-function Input Terminal  Default: 0 Settings 0–63  Sets the internal terminal action (ON/ OFF) through the keypad or communication. And use this parameter with Pr.04.27. Setting method: set Pr.04.28 to 12 to activate MI3 and MI4. 04.20 Reserved –...
Page 108: Multi-Step Speed Operation
Chapter 4 Parameters｜VFD-EL-W 05 Multi-step Speed Operation  You can set this parameter during operation. 05.00 Step Speed Frequency  05.01 Step Speed Frequency  05.02 Step Speed Frequency  05.03 Step Speed Frequency  05.04 Step Speed Frequency  05.05 Step Speed Frequency ...
Page 109: Protection Parameters
Chapter 4 Parameters｜VFD-EL-W 06 Protection Parameters  You can set this parameter during operation. 06.00 Over-voltage Stall Prevention Default: 390.0 / 780.0 Settings 230V models: 330.0–410.0 V (0: Disable) 460V models: 660.0–820.0 V (0: Disable)  The default for 230V models is 390.0; the default for 460V models is 780.0. ...
Page 110 Chapter 4 Parameters｜VFD-EL-W 06.02 Over-current Stall Prevention during Operation  Default: 170 Settings 20–250% (0: Disable)  If the output current exceeds the setting value for Pr.06-02 when the drive is operating, the drive decreases its output frequency to prevent motor stall. If the output current is lower than the setting value for Pr.06.02, the drive accelerates again to the setting frequency.
Page 111 Chapter 4 Parameters｜VFD-EL-W the setting for Pr.06.05, the warning message “OL2” displays. If a multi-functional output terminal is set to over-torque (OL2) detection (Pr.03.00), the output is ON. (Refer to Pr.03.00) 06.04 Over-Torque Detection Level  Default: 150 Settings 10–200% ...
Page 112 Chapter 4 Parameters｜VFD-EL-W 06.07 Electronic Thermal Relay Action Time Default: 60 Settings 30–600 sec.  Determines the time required to activate the I t electronic thermal protection function. The figure below shows I t curves for 150% output power for one minute. Operation time (seconds) 50Hz or more...
Page 113 Chapter 4 Parameters｜VFD-EL-W Descriptions Reserved Phase loss (PHL) Reserved Auto-acceleration/ auto-deceleration fail (cFA) Software or password protection (codE) Write error (CF1.0) Read error (CF2.0) Protection circuit error (HPF1) Protection circuit error (HPF2) Reserved Protection circuit error (HPF4) U-phase hardware error (cF3.0) V-phase hardware error (cF3.1) W-phase hardware error (cF3.2) DC bus hardware error (cF3.3)
Page 114 Chapter 4 Parameters｜VFD-EL-W 06.28 Output Voltage Fault 1 06.29 DC bus Voltage Fault 1 06.30 Drive Internal Temperature Fault 1 06.31 Output Frequency Fault 2 (Hz) 06.32 Output Current Fault 2 06.33 Output Voltage Fault 2 06.34 DC bus Voltage Fault 2 06.35 Drive Internal Temperature Fault 2 06.36...
Page 115: Motor Parameters
Chapter 4 Parameters｜VFD-EL-W 07 Motor Parameters  You can set this parameter during operation. 07.00 Motor Rated Current  Default: 100%FLA Settings 30.0–120.0% FLA  Sets this value according to the specification as indicated on the motor nameplate. Set the default value according to the drive rated current, therefore, the default is 100% of the drive rated current (FLA).
Page 116 Chapter 4 Parameters｜VFD-EL-W Motor auto-tuning process: Ensure that all the parameters are set to defaults and the motor wiring is correct. Ensure that the motor is not loaded before executing auto-tuning and that the shaft is not connected to any belt or reducer. Enter the correct settings for Pr.01.01 Motor Rated Frequency (Fbase), Pr.01.02 Motor Rated Voltage (Vbase), Pr.07.00 Motor Rated Current, and Pr.07.06 Motor Rated Slip (Motor 0).
Page 117 Chapter 4 Parameters｜VFD-EL-W  Assume that the motor rated frequency is 60 Hz with 4 poles, and the rated motor speed is 1650 rpm. The rated slip calculated by the formula is 60 Hz – (1650 rpm × 4/ 120) = 5 Hz. ...
Page 118 Chapter 4 Parameters｜VFD-EL-W 07.12 Motor PTC Overheating Protection Default: 0 Settings 0: Disabled 1: Enable 07.14 Motor PTC Overheating Protection Level Default: 2.4 Settings 0.1–10.0 V  Running the motor at low frequency for a long time reduces the cooling function of the motor fan. To prevent overheating, use a Positive Temperature Coefficient thermistor on the motor, and connect the thermistor output signal to the drive’s corresponding control terminals.
Page 119 Chapter 4 Parameters｜VFD-EL-W Refer to the following calculation when Pr.07.14 is set to 2.4 and motor temperature overheating protection level is 1330 Ω: 1330//47000 = (1330 × 47000) ÷ (1330 + 47000) = 1293.4 10.5 × 1293.4 ÷ (4400 + 1293.4) = 2.38 (V) ≒ 2.4 (V) 07.15 Motor PTC Overheating Warning Level Default: 1.2...
Page 120: Special Parameters
Chapter 4 Parameters｜VFD-EL-W 08 Special Parameters  You can set this parameter during operation. 08.00 DC Brake Current Level Default: 0 Settings 0–100%  Sets the level of the DC brake current output to the motor at start-up and stop. When setting the DC brake current, the rated current is 100%.
Page 121 Chapter 4 Parameters｜VFD-EL-W 08.04 Momentary Power Loss Action Default: 0 Settings 0: Stop operation 1: Operation continues after momentary power loss, speed search starts with the last frequency 2: Operation continues after momentary power loss, speed search starts with the minimum frequency ...
Page 122 Chapter 4 Parameters｜VFD-EL-W Output frequency Input B.B. signal Stop output voltage Disable B.B. signal Waiting time 08.07 08.08 Current Limit Speed Search for Speed SearchSpeed Synchronization speed detection Time FWD Run B.B. Fig 2: B.B. Speed Search with Last Output Frequency Downward Timing Chart (Speed Search Current doesn't Attain Speed Search Level) Input B.B.
Page 123 Chapter 4 Parameters｜VFD-EL-W 08.09 Skip Frequency 1 Upper Limit  08.10 Skip Frequency 1 Lower Limit  08.11 Skip Frequency 2 Upper Limit  08.12 Skip Frequency 2 Lower Limit  08.13 Skip Frequency 3 Upper Limit  08.14 Skip Frequency 3 Lower Limit ...
Page 124 Chapter 4 Parameters｜VFD-EL-W 08.17 Auto-Energy Saving Operation Default: 0 Settings 0: Disable 1: Enable  When energy-saving is enabled, the motor acceleration/ deceleration operates with full voltage. During constant speed operation, it automatically calculates the best voltage value according to the load power.
Page 125 Chapter 4 Parameters｜VFD-EL-W 08.19 Reserved 08.20 Oscillation Suppression  Default: 0.0 Settings 0.0–5.0  The drift current occurs in a specific zone of the motor and it causes serious motor vibration. Adjust this parameter could greatly improve this situation. (The drift current zone for high-power motors is usually in the low frequency area.) The recommended setting value is 2.0.
Page 126: Communication Parameters
Chapter 4 Parameters｜VFD-EL-W 09 Communication Parameters  You can set this parameter during operation. 09.00 Communication Address  Default: 1 Settings 1–254  Sets the communication address for the drive if the AC motor drive is controlled through RS-485 serial communication. The communication address for each AC motor drive must be unique. 09.01 Communication Transmission Speed ...
Page 127 Pr.09.00. The computer then implements control using the drives’ individual addresses.  The VFD-EL-W series drive uses Modbus networks communication protocol. The Modbus uses one of the following two modes: ASCII (American Standard Code for Information Interchange) or RTU (Remote Terminal Unit).
Page 128 Chapter 4 Parameters｜VFD-EL-W (7, O, 1) (7, N, 1) Start Stop 7-data bits 9-bits character frame (7, E, 2) (7, O, 2) For RTU (8, N, 2) (8, E, 1) Start Even Stop parity 8-data bits 11-bits character frame (8, O, 1) Start Stop parity...
Page 129 Chapter 4 Parameters｜VFD-EL-W (8, N, 1) (8, E, 2) (8, O, 2) Start Stop Stop parity 8-data bits 12-bits character frame Communication Protocol 3.1 Communication Data Frame ASCII mode: Start character = ‘ : ’ (3AH) Address High Communication address: one 8-bit address consists of 2 ASCII codes Address Low Function High...
Page 130 Chapter 4 Parameters｜VFD-EL-W 3.2 Communication Address (Address) 00H: Broadcast to all AC motor drives 01H: AC motor drive at address 01 0FH: AC motor drive at address 15 10H: AC motor drive at address 16, and so on up to 254 (FEH). 3.3 Function (Function code) and DATA (Data characters) 03H: Read data from register 06H: Write single register...
Page 131 Chapter 4 Parameters｜VFD-EL-W Command Message Response Message Content of data address Number of data 2102H (count by word) Content of data address 2103H LRC Check Low LRC Check High LRC Check Low LRC Check High Function code 06H: write single register (can write up to 20 data to the register at the same time) Example: Writing data 6000 (1770H) to register 0100H.
Page 132 Chapter 4 Parameters｜VFD-EL-W (1) ASCII mode (LRC Check): LRC (Longitudinal Redundancy Check) is calculated by summing up the values of the bytes from ADR1 to the last data character then calculating the hexadecimal representation of the 2’s- complement negation of the sum. Take the above 3.3.1 Command Message for example: 01H + 03H + 21H + 02H + 00H + 02H = 29H, take complementary number of 2 = D7H LRC (Longitudinal Redundancy Check) is calculated from Address to Data content.
Page 133 Chapter 4 Parameters｜VFD-EL-W return reg_crc; // return register CRC Address list Content Parameter Function address AC motor drive GGnnH GG is the parameter group, nn is the parameter number. For parameters example, the address of Pr.04-10 is 0401H. Command write only 2000H bit0–1 00B: No function...
Page 134 Chapter 4 Parameters｜VFD-EL-W Content Parameter Function address 15: Reserved 16: Auto-acceleration / auto-deceleration failure (cFA) 17: Software and parameter password protection (codE) 18: CPU write error (cF1.0) 19: CPU read error (cF2.0) 20: CC, OC hardware protection error (HPF1) 21: OV hardware protection error (HPF2) 22: Reserved 23: OC hardware protection error (HPF4) 24: U-phase hardware error (cF3.0)
Page 135 Chapter 4 Parameters｜VFD-EL-W Content Parameter Function address bit 10 1: Operation command controlled by the communication interface bit 11–15: Reserved 2102H Frequency command (F) 2103H Output frequency (H) 2104H Output current (XX.XA) 2105H Reserved 2106H Reserved 2107H Reserved 2108H DC bus voltage (XXX.X V) 2109H Output voltage (XXX.X V) 210AH...
Page 136 Chapter 4 Parameters｜VFD-EL-W Table of fault codes: Fault code Descriptions Illegal function code: the drive cannot recognize the function code (03H, 06H, 08H, 10H). Illegal data address: the drive cannot recognize the data address. Illegal data value: the data value received in the command message is not available for the drive.
Page 137 Chapter 4 Parameters｜VFD-EL-W <7，E，1>=1AH <7，O，1>=0AH， <8，N，2>=07H， <8，E，1>=1BH <8，O，1>=0BH， for(i=0;i<=16;i++){ while(!(inportb(PORT+LSR) & 0x20)); /* wait until THR empty */ outportb(PORT+THR，tdat[i]); /* send data to THR */ i=0; while(!kbhit()){ if(inportb(PORT+LSR) & 0x01){ /* b0==1，read data ready */ rdat[i++]=inportb(PORT+RDR); /* read data form RDR */ 09.05 Reserved 09.06...
Page 138: Pid Control Parameters
Chapter 4 Parameters｜VFD-EL-W 10 PID Control Parameters  You can set this parameter during operation. 10.00 PID Set Point Selection Default: 0 Settings 0: PID function disabled 1: Digital keypad 2: Reserved 3: Reserved 4: PID reference target value (Pr.10.11) ...
Page 139 Chapter 4 Parameters｜VFD-EL-W source cannot be the same.  Negative feedback: Error = Target value (set point) – Feedback. Use negative feedback when the detection value increases if the output frequency increases.  Positive feedback: Error = - Target value (set point) + Feedback. Use positive feedback when the detection value decreases if the output frequency increases.
Page 140 Chapter 4 Parameters｜VFD-EL-W to improve the system state. Using a suitable differential time can reduce overshoot and shorten adjustment time; however, the differential operation increases noise interference. Note that a too large differential causes more noise interference. In addition, the differential shows the change and the differential output is 0 when there is no change.
Page 141 Chapter 4 Parameters｜VFD-EL-W 10.09 PID Feedback Signal Error Treatment Default: 0 Settings 0: Warn and ramp to stop 1: Warn and coast to stop 2: Warn and continue operation  Sets the treatments when the PID feedback signal (such as ACI analog signal) is abnormal. 10.10 PID Detection Value Gain Default: 1.0...
Page 142 Chapter 4 Parameters｜VFD-EL-W prevent frequent switching between the two frequency status.  The sleep frequency Pr.10.15 setting must be higher than the Pr.01.08 output frequency lower limit to prevent being limited for sleep mode.  The sleep frequency Pr.10.15 setting must be higher than the Pr.01.05 minimum output frequency.
Page 143 Chapter 4 Parameters｜VFD-EL-W 10.18 PID Feedback Physical Quantity Default: 99.9 Settings 1.0–99.9  Pr.10.18 set value is the conversion base of the corresponding relationship between the sensor feedback analog quantity and the feedback physical quantity, and usually set to the maximum value of the sensor input range physical quantity.
Page 144 Chapter 4 Parameters｜VFD-EL-W  Parallel connection In teg ra l O utp ut Di gi tal g ai n Fr eq . Fr eq . fi lte r l imi t L imi t Co mman d In pu t Fre q. P ID G ai n fe ed ba ck...
Page 145 Chapter 4 Parameters｜VFD-EL-W 10.24 Deviation Level of Liquid Leakage  Default: 0 Settings 0–50%  This parameter is based on the PID set point. When the drive does not run and is in a constant pressure status, and if the deviation is higher than Pr.10.24 due to liquid leakage (minor pressure loss), the AC motor drive starts to run.
Page 146 Chapter 4 Parameters｜VFD-EL-W seconds, then the deviation is 0.2 kg (4 kg × 5% = 0.2 kg). It means when the feedback value is higher than 3.8 kg for a time exceeding 15 seconds, the AC motor drive decelerates to stop, this deceleration time acts according to Pr.01.12.
Page 147 Chapter 4 Parameters｜VFD-EL-W  Fixed quantity control (multi-pump operating at constant pressure): Assume that when the master pump’s operating time is longer than the setting for Pr.10.37, the master pump and the slave pump switch alternatively.  This parameter is only valid for master pump settings. 10.38 Pump Switching Start-up Frequency ...
Page 148 Chapter 4 Parameters｜VFD-EL-W  bit 0: When the operating pump is failed, whether it switches to an alternative pump or not 0: Stop all pump action 1: Switch to an alternative pump Example: bit0 = 0, when an error occurs to the running pump, all pumps stop. bit0 = 1, when an error occurs to the running pump, switch the erroneous pump to an alternative one.
Page 149 Chapter 4 Parameters｜VFD-EL-W 10.49 Setting Method for Pr.10.12  Default: 0 Settings 0: Use the existed setting (default), judging by the feedback deviation 1: Set the low water pressure percentage (%), check for any fault by the feedback physical quantity ...
Page 150: Adjustment And Application
Chapter 4 Parameters｜VFD-EL-W 4-4 Adjustment and Application Using PID control in a constant pressure pump feedback application: Set the application constant pressure value (bar) as PID set point. The pressure sensor sends the actual value as the PID feedback value. After comparing the PID set point and PID feedback, an error displays. The PID controller calculates the output by using proportional gain (P), integral time (I) and differential time (D) to control the pump.
Page 151 Chapter 4 Parameters｜VFD-EL-W STEP Functions Related Parameters Description Multi-pump system: all drives must Pr.10.22 Set point deviation level Stopping have the stopping detection function. Pr.10.23 Set Point Stop Detection Time detection function Set the related parameters for all Pr.01.12 Deceleration Time 2 drives.
Page 152 Chapter 4 Parameters｜VFD-EL-W  In the flow control occasions such as constant pressure water pumps using PID control, set Pr.00.03 = 3 and Pr.00.04 = 8. When the drive reboots after powered off, the start-up screen displays 00:00 (as shown in the figure above). The displayed value on the left of “:” is the physical quantity of PID target value;...
Page 153 Chapter 4 Parameters｜VFD-EL-W temperature, flow, etc., you also need to set Pr.00.13 and Pr.00.14 at the same time. For example, when the maximum range of the set point set as 16.0 bar, you also need to set Pr.00.13 = 160, 00.14 = 1. ...
Page 154 Chapter 4 Parameters｜VFD-EL-W  For example, the pressure sensor range is 0–16.0 bar, and the corresponding output range is 4–20 mA. When the Pr.10.18 is set to 16.0 and the sensor's actual measurement output is 12 mA, the actual feedback physical quantity = (12 - 4) ÷ (20 - 4) × 16.0 = 8.0 bar, the corresponding relationship is shown in the table below.
Page 155 Chapter 4 Parameters｜VFD-EL-W Multi-communication Application Setting Case 01 Pr.10.35 = 1 Fixed time circulation (alternative operation)  Enables four pumps to operate alternatively by time to extend the life span.  Keeps the water pressure at 3 kg in a water system with constant pressure. Related parameters (Pr.10.35 = 1) User's User’s...
Page 156 Chapter 4 Parameters｜VFD-EL-W User's User’s Function Setting Range Default Note Master Slave Max. Operation 01.00 50.00–400.0 Hz 60.00 60.00 60.00 Frequency Set the parameters Motor Rated according to the 01.01 0.10–400.0 Hz 60.00 60.00 60.00 Frequency specifications of pumps. Motor Rated 230V models: 0.1–255.0 V 220.0 220.0 220.0...
Page 157 Chapter 4 Parameters｜VFD-EL-W User's User’s Function Setting Range Default Note Master Slave pump has an error Adjust the parameter Pump Start-Up 0: By pump ID according to 10.44 Sequence 1: According to the operating time customer’s Selection applications Adjust the parameter Pump Alternative according to 10.45...
Page 158 Chapter 4 Parameters｜VFD-EL-W User's User’s Function Setting Range Default Note Master Slave motor drive starts to decelerate to stop. The deceleration time is according to the Deceleration Time 2 set in Pr.01.12. When the feedback value is less than 2.85 kg, the drive starts to run.
Page 159 Chapter 4 Parameters｜VFD-EL-W 02 Pr.10.35 = 2 Fixed quantity control (multi-pump operating at constant pressure) Related parameters (Pr.10.35 = 2) User's User’s Function Setting Range Default Note Master Slave 0: F (frequency command) 1: H (output frequency)  00.03 Start-up Display 2: A (output current) 3: U (user-defined) 4: FWD/REV command...
Page 160 Chapter 4 Parameters｜VFD-EL-W User's User’s Function Setting Range Default Note Master Slave 0: Digital keypad 1: External terminals, STOP key is valid 2: External terminals, STOP key Adjust the parameter Operation  02.01 is invalid according to customer’s Command Source 3: RS-485 communication, STOP applications key is valid...
Page 161 Chapter 4 Parameters｜VFD-EL-W User's User’s Function Setting Range Default Note Master Slave Proportional Gain  10.02 0.0–10.0 Adjust the parameter  10.03 Integral Time (I) 0.00–100.0 sec. 1.00 according to customer’s Differential Time applications  10.04 0.00–1.00 sec. 0.00 PID Feedback 10.12 Signal Error 1.0–50.0%...
Page 162 Chapter 4 Parameters｜VFD-EL-W User's User’s Function Setting Range Default Note Master Slave Liquid Usage after Liquid Leakage: When the drive does not run and is in a constant pressure status, the variation of the feedback value is higher than 0.12 kg within 2 seconds, the drive starts to run.
Page 163 Chapter 4 Parameters｜VFD-EL-W Optional Accessories for Multi-pumps Alternative Operation When you use the multi-pump operation, pay attention to the following wirings. Use a RJ45 cable (8 pin, Internet cable) without an adapter. Simply connect the master/slave communication port. If there are more than two pumps, use RMKE-HUB01 to connect RJ45. Use a RJ11 (6 pin) cable with an adapter to connect the master/ slave communication port.
Page 164: Troubleshooting
Chapter 5 Troubleshooting VFD-EL-W Troubleshooting 5-1 Over-Current (oc) 5-2 Over-Voltage (ov) 5-3 Low Voltage (Lv) 5-4 Overheat (oH1) 5-5 Overload (oL) 5-6 Keypad Display is Abnormal 5-7 Phase Loss (PHL) 5-8 Motor Does Not Run 5-9 Motor Speed Cannot be Changed 5-10 Motor Stalls During Acceleration 5-11 The Motor Does Not Run as Expected 5-12 Electromagnetic/Induction Noise...
Page 165 Chapter 5 Troubleshooting VFD-EL-W 5-1 Over-Current (oc)
Page 166 Chapter 5 Troubleshooting VFD-EL-W 5-2 Over-Voltage (ov)
Page 167 Chapter 5 Troubleshooting VFD-EL-W 5-3 Low Voltage (Lv)
Page 168 Chapter 5 Troubleshooting VFD-EL-W 5-4 Overheat (oH1)
Page 169 Chapter 5 Troubleshooting VFD-EL-W 5-5 Overload (oL)
Page 170 Chapter 5 Troubleshooting VFD-EL-W 5-6 Keypad Display is Abnormal...
Page 171 Chapter 5 Troubleshooting VFD-EL-W 5-7 Phase Loss (PHL)
Page 172 Chapter 5 Troubleshooting VFD-EL-W 5-8 Motor Does Not Run...
Page 173 Chapter 5 Troubleshooting VFD-EL-W 5-9 Motor Speed Cannot be Changed...
Page 174 Chapter 5 Troubleshooting VFD-EL-W 5-10 Motor Stalls during Acceleration...
Page 175 Chapter 5 Troubleshooting VFD-EL-W 5-11 The Motor Does Not Run as Expected...
Page 176 Chapter 5 Troubleshooting VFD-EL-W 5-12 Electromagnetic/Induction Noise Many sources of noise surround AC motor drives and affect them by radiation or conduction. This may cause the control circuits to malfunction and even damage the AC motor drive. Of course, there are solutions to increase the noise tolerance of an AC motor drive, but this has its limits.
Page 177 Chapter 5 Troubleshooting VFD-EL-W 5-13 Operating Environment Condition Since the AC motor drive is an electronic device, you must deal with the operating environment conditions. Here are some remedial measures to use if necessary. To prevent vibration, anti-vibration dampers are the last choice. Vibration must be within the specification.
Page 178 Chapter 5 Troubleshooting VFD-EL-W 5-14 Affecting Other Machines An AC motor drive may affect the operation of other machines due to many reasons. Some solutions are listed below: High Harmonics at Power Side You can reduce high harmonics at the power side during running. Separate the power system: use a transformer for the AC motor drive.
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Page 180: Fault Code Information And Maintenance
Chapter 6 Fault Code Information and MaintenanceVFD-EL-W Fault Code Information and Maintenance 6-1 Fault Code Information 6-2 Maintenance and Inspections...
Page 181 Chapter 6 Fault Code Information and MaintenanceVFD-EL-W The AC motor drive has various warnings and protections against errors such as over-voltage, low voltage, or over-current. Once an error occurs, the protections activate, the AC motor drive stops output, activates the error contacts, and the motor coasts to stop. Please refer to the error display from the AC motor drive and look up the corresponding causes and solutions.
Page 182: Fault Code Information
Chapter 6 Fault Code Information and MaintenanceVFD-EL-W 6-1 Fault Code Information The following messages display when the operation command source is set as digital keypad. Fault Name Fault Descriptions Corrective Actions 1. Check if the motor power corresponds with the AC motor drive output power.
Page 183 Chapter 6 Fault Code Information and MaintenanceVFD-EL-W Fault Name Fault Descriptions Corrective Actions 1. Check for possible motor overload. 2. Check the electronic thermal overload setting. 3. Replace the drive with a larger capacity model. Overload 1 Internal electronic overload trip 4.
Page 184 Chapter 6 Fault Code Information and MaintenanceVFD-EL-W Fault Name Fault Descriptions Corrective Actions External Fault 1. When multi-function input terminals (MI1–MI4) are set to external fault, the AC motor The “EF” disappears once the signal source is cleared drive stops output. and reset.
Page 185 Chapter 6 Fault Code Information and MaintenanceVFD-EL-W Fault Name Fault Descriptions Corrective Actions Password locked. Software protection failure Check if the wiring for ACI is broken. Analog signal error Check if wiring for PID feedback is correct and the Unusual PID feedback parameter of PID feedback is properly set.
Page 186: Maintenance And Inspections
Chapter 6 Fault Code Information and MaintenanceVFD-EL-W 6-2 Maintenance and Inspections Before the check-up, always turn off the AC input power for at least five minutes and remove the cover. Even if the power has been turned off, a charge may still remain in the filter capacitors with hazardous voltages before the power is OFF.
Page 187 Chapter 6 Fault Code Information and MaintenanceVFD-EL-W Main circuit Maintenance Period Items to Check Methods and Criterion Daily Half Year One Year Check for any loose or missing Tighten or replace the screws.  screws. Check for any deformed, cracked, or damaged machinery or insulation and Visual inspection ...
Page 188 Chapter 6 Fault Code Information and MaintenanceVFD-EL-W Main circuit electromagnetic contactor and relay Maintenance Period Items to Check Methods and Criterion Daily Half Year One Year Check for any vibration sounds. Auditory inspection.  Check that the contact works Visual inspection ...
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Page 190: Appendix A. Specifications
Appendix A SpecificationsVFD-EL-W Appendix A. Specifications A-1 230V 1φ Models A-2 460V 3φ Models A-3 General Specifications A-4 Environment for Operation, Storage and Transportation A-5 Derating Curve for Ambient Temperature and Carrier Frequency...
Page 191 Appendix A SpecificationsVFD-EL-W The VFD-EL-W Series include the 230V and 460V models. The 230V model is one-phase; the 460V model is three-phase. Refer to following specifications for details. NOTE: VFD-EL-W has two types of packaging: Individual Package [suffixed with (-1) at the end of the model name] and 12 pcs/ carton.
Page 192 Appendix A SpecificationsVFD-EL-W A-1 230V 1φ Models Model Number VFD□□□EL21W (-1) Max. Applicable Motor Output (kW) 0.75 Max. Applicable Motor Output (HP) 0.25 Rated Output Capacity (kVA) Rated Output Current (A) 11.0 Maximum Output Voltage (V) Three-phase Proportional to Input Voltage Output Frequency (Hz) 0.1–400 Carrier Frequency (kHz)
Page 193 Appendix A SpecificationsVFD-EL-W A-2 460V 3φ Models Model Number VFD□□□EL21W (-1) Max. Applicable Motor Output (kW) 0.75 Max. Applicable Motor Output (HP) Rated Output Capacity (kVA) Rated Output Current (A) 13.0 Maximum Output Voltage (V) Three-phase Proportional to Input Voltage Output Frequency (Hz) 0.1–400 2–12...
Page 194 Appendix A SpecificationsVFD-EL-W A-3 General Specifications Characteristics Descriptions Control System SPWM (Sinusoidal Pulse Width Modulation) control (V/F control) Frequency Setting Resolution 0.01 Hz Output Frequency Resolution 0.01 Hz Includes the auto-torque/auto-slip compensation; starting torque can be Torque Characteristics 150% at 5.0 Hz Overload Tolerance 150% of rated current for one minute Skip Frequency...
Page 195 Appendix A SpecificationsVFD-EL-W A-4 Environment for Operation, Storage and Transportation Built-in EMI Filter Enclosure Rating IP20 Pollution Degree Installation Location Altitude 1,000 m or lower, keep from corrosive gasses, liquid and dust. Non-condensing, non-freezing ° ° -10–50 C [40 C for side-by-side mounting, excluding VFD007EL21W(-1)] Ambient Temperature °...
Page 196 Appendix A SpecificationsVFD-EL-W A-5 Derating Curve for Ambient Temperature and Carrier Frequency Ambient Temperature Derating Curve Ambient temperature (°C) Other models Model Ambient Temperature Limitation If the AC motor drive operates at the rated current, the ambient temperature needs to be between -10–40°C. If the temperature is above 40°C, decrease 2% of VFD007EL21W(-1) the rated current for every 1°C increase in temperature.
Page 197 Appendix A SpecificationsVFD-EL-W Model Carrier Frequency Limitation If the AC motor drive is installed at an ambient temperature of 40°C, and operates at the rated current, the carrier frequency needs to be within 8 kHz. If VFD007EL21W(-1) the carrier frequency is higher than 8 kHz, decrease 5% of the rated current for every 1 kHz increase in the carrier frequency.
Page 198: Appendix B. Accessories
Appendix B. Accessories VFD-EL-W Appendix B. Accessories B-1 Non-fuse Circuit Breaker Chart B-2 Reactor B-3 Digital Keypad B-4 Auxiliary Cooling Fan...
Page 199 Appendix B. Accessories VFD-EL-W B-1 Non-fuse Circuit Breaker Chart For one-phase/ three-phase drives, the current rating of the breaker must be between 2–4 times the rated input current. One-phase Three-phase Recommended Recommended Model Model non-fuse breaker (A) non-fuse breaker (A) VFD002EL21W(-1) VFD004EL43W(-1) VFD004EL21W(-1)
Page 200: Reactor
Appendix B. Accessories VFD-EL-W B-2 Reactor B-2-1 AC Reactor AC Input Reactor Recommended Value 230V, 50/60Hz, One-Phase Inductance (mH) Fundamental Max. continuous Amps Amps – 5% Impedance 0.25 0.75 1.25 460V, 50/60Hz, Three-Phase Inductance (mH) Fundamental Max. continuous Amps Amps 3% Impedance 5% Impedance 0.75...
Page 201 Appendix B. Accessories VFD-EL-W Applications Connected in input circuit Application 1 When more than one AC motor drives are connected to the same mains power and are running, and one of them is ON during operation. Issues: When applying power to one of the AC motor drives, the charge current of the capacitors may cause voltage dip.
Page 202 Appendix B. Accessories VFD-EL-W B-2-2 Zero Phase Reactor RF220X00A UNIT: mm [inch] Recommended Wire Diagram A Cable Size Wiring Please wind each wire four times around the core. The Type Qty. Method reactor must be put as close to the inverter output as Nominal (Note) possible.
Page 203: Digital Keypad
Appendix B. Accessories VFD-EL-W B-3 Digital Keypad B-3-1 Digital Keypad VFD-PU06 Display Message Explanation Display Message Descriptions The current frequency of the drive. The actual operation frequency that the drive outputs to the motor. The user-defined unit (u) The loading current of the drive. Read parameters.
Page 204 Appendix B. Accessories VFD-EL-W Display Message Descriptions “End” displays for approximately one second if the entered input data has been accepted. After a parameter value has been set, the new value is automatically stored in memory. “Err” displays if the input is invalid or the input exceeds the setting range. Communication Error.
Page 205 Appendix B. Accessories VFD-EL-W B-3-2 Digital Keypad VFD-PU08 / VFD-PU08V VFD-PU08 Dimension Unit: mm (inch) 68.0 63.8 59.9 46.8 42.0 26.3 35.6 22.7 M3*0.5 (2.68) (2.51) (2.36) (0.32) (1.84) (1.65) (1.04) (0.30) (1.40) (0.89) (0.30) (0.09) (0.05) (2X) VFD-PU08V Dimension Unit: mm [inch) 32.9 17.3...
Page 206 Appendix B. Accessories VFD-EL-W VFD-PU08 / VFD-PU08V Specification VFD-PU08 Items Description Applicable VFD series ME300 and VFD-EL-W RS485 (exclusive mode), the host cannot Communication Interface use this interface when occupying. VFD-PU08V VFD-PU08 fixed by plastic hook or screw. Installation VFD-PU08V fixed by screws. Front panel: IP20.
Page 207 Appendix B. Accessories VFD-EL-W Status displayed Status displayed Note RUN: VFD is running FWD: VFD is running forwardly REV: VFD is running reversely STOP: VFD is stopped STOP Flashing: VFD is stopping VR light on: VFD potentiometer function is enabled VR light off: Direction function key (Up) and Direction function key (Down &...
Page 208: Auxiliary Cooling Fan
Appendix B. Accessories VFD-EL-W B-4 Auxiliary Cooling Fan After VFD007EL21W(-1) installing the auxiliary cooling fan, the upper limit of the ambient operating temperature is increased to 50°C without derating. If the auxiliary cooling fan is not installed, the upper limit of the ambient operating temperature is 40°C without derating. The fan power is 24V, which can be taken from the drive control terminal +24V/DCM.
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Page 210: Appendix C. How To Select The Right Ac Motor Drive
Appendix C. How to Select the Right AC Motor Drive｜VFD-EL-W Appendix C. How to Select the Right AC Motor Drive C-1 Capacity Formulas C-2 General Precautions C-3 How to Choose a Suitable Motor...
Page 211 Appendix C. How to Select the Right AC Motor Drive｜VFD-EL-W The choice of the right AC motor drive for the application is very important and has a big influence on the drive’s lifetime. If the capacity of the AC motor drive is too large, it cannot provide complete protection to the motor and motor might be damaged.
Page 212: Capacity Formulas
Appendix C. How to Select the Right AC Motor Drive｜VFD-EL-W C-1 Capacity Formulas 1. One AC motor drive operates one motor The starting capacity should be less than 1.5x the rated capacity of the AC motor drive. The starting capacity equals: 2.
Page 213 Appendix C. How to Select the Right AC Motor Drive｜VFD-EL-W Symbol explanation Motor shaft output for load (kW) η Motor efficiency (normally approx. 0.85) Motor power factor (normally approx. 0.75) Motor rated voltage (V) Motor rated current (A), for commercial power Correction factor calculated from the current distortion factor (1.05–1.1, depending on PWM method) Continuous motor capacity (kVA)
Page 214: General Precautions
Appendix C. How to Select the Right AC Motor Drive｜VFD-EL-W C-2 General Precautions Selecting an AC Motor Drive When connecting the AC motor drive directly to a large-capacity power transformer (600 kVA or higher), or when switching a phase lead capacitor, excess peak currents may occur in the power input circuit and may damage the converter section.
Page 215: How To Choose A Suitable Motor
Appendix C. How to Select the Right AC Motor Drive｜VFD-EL-W C-3 How to Choose a Suitable Motor Standard Motors When using the AC motor drive to operate a standard three-phase induction motor, follow these precautions.  The energy loss is greater than that for an inverter-duty motor. ...
Page 216  Explosion-proof (Ex) motor: Must be installed in a safe place and the wiring should comply with the (Ex) requirements. Delta AC Motor Drives are not suitable for (Ex) areas that require special precautions. ...
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