Page 1 Delta Electronics (Americas) Ltd. TEL: +7 495 644 3240 P.O. Box 12173, 5101 Davis Drive, Turkey: Delta Greentech Elektronik San. Ltd. Sti. (Turkey) Research Triangle Park, NC 27709, U.S.A. Şerifali Mah. Hendem Cad. Kule Sok. No:16-A TEL: 1-919-767-3813 / FAX: 1-919-767-3969 34775 Ümraniye –...
Page 2 Limitation of Liability The contents of this user manual are only for the use of the AC motor drives manufactured by Delta. Except as defined in special mandatory laws, Delta provides this user manual “as is” and does not offer any kind of warranty through this user manual for using the product, either express or implied, including but not limited to the following: (i) this product will meet your needs or expectations;...
Page 3 Preface Thank you for choosing DELTA’s sensorless vector control compact drive VFD-EL-W series. The VFD-EL-W series are manufactured with high-quality components and materials and incorporate the latest microprocessor technology available. Use this manual for the AC Motor Drive installation, parameter setting, troubleshooting, and daily maintenance. To guarantee safe operation, read the following safety guidelines before connecting power to the AC motor drive.
Page 4 DO NOT install the AC motor drive in a location subject to high temperature, direct  sunlight, high humidity, or splash of water droplets. Use the AC motor drives only within specification. Failure to comply may result in  fire, explosion or electric shock. When the motor cable between AC motor drive and motor is too long, the ...
Page 5 Table of Contents Preface ……………………………………………………………………………………………………………………….. i Table of Contents …………………………………………………………………………………………………………... iii Chapter 1 Introduction …………………………………………………………………………………………………… 1-1 1.1 Receiving and Inspection ……………………………….…………………………………………….…………… 1-1 1.1.1 Nameplate Information ………………………………………………………………………….…...………. 1-1 1.1.2 Model Name …………………………………………………………………………..……………….……... 1-2 1.1.3 Serial Number ………………………………………………………………………………………………... 1-2 1.1.4 Drive Frames and Appearances …………………………………….…………………………….…..…… 1-3 1.2 Preparation for Installation and Wiring …………………………………………………………….……..……….
Page 6 5.10 Motor Stalls During Acceleration ………………………………………………………………………………. 5-10 5.11 The Motor Does Not Run as Expected ………………………………………………………………………... 5-10 5.12 Electromagnetic/Induction Noise ………………………………………………………………………………. 5-11 5.13 Operating Environment Condition ……………………………………………………………………………… 5-11 5.14 Affecting Other Machines ……………………………………………………………………………………….. 5-12 Chapter 6 Fault Code Information and Maintenance ……………………………………………………………….. 6-1 6.1 Fault Code Information ……………………………………………………………………………………………..
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Page 8 Chapter 1 Introduction 1.1 Receiving and Inspection 1.2 Preparation for Installation and Wiring 1.3 Dimensions 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 9 Chapter 1 Introduction VFD-EL-W  1.1.2 Model Name VFD 007 EL 21 W -1 Type of packing -1: Individual package N/A: 12pcs/carton W: Minimal and Economic Input voltage 21: 230V, 1-phase 43: 460V, 3-phase EL series Applicable motor capacity: 002: 0.25HP (0.2kW) 004: 0.5HP (0.4kW) 007: 1HP (0.75kW) 015: 2HP (1.5kW)
Page 10 Chapter 1 Introduction VFD-EL-W  1.1.4 Drive Frames and Appearances Frame A1 digital keypad input terminals R/L1, S/L2, T/L3 choose NPN/PNP frequency control knob choose ACI/AVI control terminals digital keypad RS485 terminal (RJ45) control board cover output terminals U/T1, V/T2, W/T3 grounding terminal Frame A2 input terminals...
Page 11 Chapter 1 Introduction VFD-EL-W  Frame B digital keypad input terminals (R/L1, S/L2, T/L3) choose NPN/ PNP choose AVI/ ACI frequency control knob control terminals digital keypad RS485 terminal (RJ45) case control board cover output terminals (U/T1, V/T2, W/T3) grounding terminal...
Page 12 Chapter 1 Introduction VFD-EL-W  RFI Jumper Location RFI jumper R/L1 S/L2 T/L3 Grounding NOTE If it is required by the grounding system or the current leakage is too big and causes tripping, you can remove RFI jumper which is near the input terminals (R/L1, S/L2, T/L3) by loosing screws. Once you remove the RFI jumper, retighten the screws to keep good grounding to prevent electric shock.
Page 13 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 board cover. Then, clips on both sides of the cooling fan. as shown in Step 2, pull it down slowly to remove it.
Page 14 Chapter 1 Introduction VFD-EL-W  1.2 Preparation for Installation and Wiring 1.2.1 Ambient Conditions Install the AC motor drive in an environment with the following conditions. -10°C to 50°C (VFD007EL21W & VFD007EL21W-1, fan required). After you install an optional cooling fan, Temperature you can increase the operating temperature of these two models up to 50°C without derating.
Page 15 Chapter 1 Introduction VFD-EL-W  Minimum Mounting Clearance (Blue arrow) (Red arrow) Outflow (Black) Distance Inflow Single Drive Installation Side-by-Side Horizontal Installation Zero-stack Installation Temperature °C Minimum Distance (mm) Installation Model Name Max.(Derating is not Max.(Derating is Method Note 1 required) required) Note 3...
Page 16 Chapter 1 Introduction VFD-EL-W  NOTE 1. Due to a small protruding part of the heat-sink at the bottom of the Frame A1/ A2, we calculate the distance C for the side-by-side horizontal installation according to the main part of the motor drive only. 2.
Page 17 Chapter 1 Introduction VFD-EL-W  CAUTION! 1. Mount the AC motor drive vertically on a flat vertical surface with screws. Other mounting directions are not allowed. 2. The AC motor drive generates heat during operation. Allow sufficient space around the unit for heat dissipation.
Page 18 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] 1-11...
Page 19 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] 1-12...
Page 20 Chapter 1 Introduction VFD-EL-W  Frame B VFD015EL21W(-1), VFD022EL21W(-1), VFD022EL43W(-1), VFD040EL43W(-1) 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] 1-13...
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Page 22 Chapter 2 Installation and Wiring 2.1 Wiring 2.2 External Wiring 2.3 Main Circuit 2.4 Control Terminals 2.5 NPN / PNP Mode 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. ...
Page 23 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)
Page 24 Chapter 2 Installation and Wiring VFD-EL-W   460V Three-phase VFD004EL43W(-1), VFD007EL43W(-1), VFD015EL43W(-1), VFD022EL43W(-1), VFD040EL43W(-1)
Page 25 Use ground leads that comply with local regulations and keep them as short as possible. 10. The VFD-EL-W series does not have a built-in brake unit，and no support for external brake unit and brake resistor. 11. When grounding, choose wires that comply with local regulations for your safety.
Page 26 Chapter 2 Installation and Wiring VFD-EL-W  Excellent grounding method: Acceptable grounding method: Grounding method not allowed: Not allowed...
Page 27 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 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%) VFD002EL21W(-1) 2.5 mm VFD004EL21W(-1) [14 AWG] M4 screw...
Page 30 Chapter 2 Installation and Wiring VFD-EL-W  2.4 Control Terminals Terminal symbols and functions Terminal Symbol Terminal Function Defaults (NPN mode) ON: Connect to DCM Run in MI1 direction Run-Stop Command OFF: Stop acc. to Stop Method Multi-function Input 2 Refer to Pr.04.06 to Pr.04.08 for programming the multi-function inputs.
Page 31 Chapter 2 Installation and Wiring VFD-EL-W  Terminal Symbol Terminal Function Defaults (NPN mode) ON: Connect to DCM 1.5A (N.O.) / 0.5A (N.C.) 240 V 1.5A (N.O.) / 0.5A (N.C.) 24 V Multi-function Relay Common Refer to Pr.03.00 for programming +10V Potentiometer Power Supply +10 V...
Page 32 Chapter 2 Installation and Wiring VFD-EL-W  Specification for the control terminals o n e -ro w te rmin a l tw o -ro w te rmin a l One-row terminal torque Two-row terminal (±10%) Model Wire Frame (±10%) VFD002EL21W(-1) VFD004EL21W(-1) VFD004EL43W(-1) VFD007EL21W(-1)
Page 33 Chapter 2 Installation and Wiring VFD-EL-W  2.5 NPN / PNP Mode NPN/PNP Internal power supply External power supply MI.. MI.. DC 24V Max:20mA Max:20mA NPN/Sink Switch- +24V +24V DC 24V DC 24V MI.. MI.. DC 24V Max:20mA Max:20mA PNP/Source +24V Switch-PNP +24V...
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Page 35 Chapter 3 Keypad and Start-up 3.1 Description of the Digital Keypad 3.2 Operation Method 3.3 Trial Run  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. ...
Page 36 Chapter 3 Keypad and Start-up VFD-EL-W  3.1 Description of the Digital Keypad 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  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  Keypad Operation Process Setting Mode S TAR T MO DE MO DE MO DE MO DE MO DE GO START NOTE: In the selection mode, press to set the parameters. MO DE Setting parameters Input data error Success to ENTER...
Page 39 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.
Page 40 Chapter 3 Keypad and Start-up VFD-EL-W  Operation Method Frequency Source Operation Command Source When using communication from the PC, use an IFD6500 / IFD6530 or Operate through IFD8500 converter to connect the drive to the PC. communication Refer to the communication address 2000H and 2101H setting for details. Operate through the digital keypad Figure 3-1...
Page 41 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.
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Page 43 Chapter 4 Parameters 4.1 Summary of Parameter Settings 4.2 Parameter Settings for Applications 4.3 Description of Parameter Settings The VFD-EL-W parameters are divided into 11 groups by property for easy setting. In most applications, the user can finish all parameter settings before start-up without the need for re-adjustment during operation. The 11 groups are as follows: Group 0: User Parameters...
Page 44 Chapter 4 Parameters VFD-EL-W  4.1 Summary of Parameter Settings : You can set this parameter during operation. Group 0 User Parameters Parameter Function Setting Default Customer 0: 230V, 0.25HP 2: 230V, 0.5HP 3: 460V, 0.5HP 4: 230V, 1 HP 5: 460V, 1 HP Read Identity Code of the AC motor...
Page 45 Chapter 4 Parameters VFD-EL-W  Parameter Function Setting Default Customer 00.06 Software Version Read only #.## 0–9999 00.08 Password Input 0–2: the number of password attempts allowed 0–9999 0: No password protection / password 00.09 Password Set entered correctly (Pr.00.08) 1: Parameter has been set 0: V/F control 00.10...
Page 46 Chapter 4 Parameters VFD-EL-W  Group 1 Basic Parameters Parameter Function Setting Default Customer 01.00 Maximum Output Frequency (Fmax) 50.00–400.0 Hz 60.00 01.01 Motor Rated Frequency (Fbase) 0.10–400.0 Hz 60.00 230V series: 0.1–255.0 V 220.0 01.02 Motor Rated Voltage (Vbase) 460V series: 0.1–510.0 V 440.0 01.03...
Page 47 Chapter 4 Parameters VFD-EL-W  Parameter Function Setting Default Customer 01.25 Simple Positioning Stop Frequency 5 40.00 01.26 Simple Positioning Stop Frequency 6 0.00–400.0 Hz 50.00 01.27 Simple Positioning Stop Frequency 7 60.00 01.28 Delay Time of Simple Positioning Stop 0 0.00 01.29 Delay Time of Simple Positioning Stop 1 0.00...
Page 48 Chapter 4 Parameters VFD-EL-W  Group 2 Operation Method Parameters Parameter Function Setting Default Customer 0: Digital keypad UP/DOWN keys or Multi- function Inputs UP/DOWN. 1: 0–10 V from AVI First Master Frequency 02.00 Command Source 2: 4–20 mA from ACI 3: RS-485 (RJ45) communication 4: Digital keypad potentiometer 0: Digital keypad...
Page 49 Chapter 4 Parameters VFD-EL-W  Parameter Function Setting Default Customer Accel./ Decel. Rate of Change 02.08 of UP/DOWN Operation with 0.01–10.00 Hz / 2ms 0.01 Constant Speed 0: Digital keypad UP/DOWN keys or Multi- function Inputs UP/DOWN. 1: 0–10V from AVI Second Frequency Command 02.09 Source...
Page 50 Chapter 4 Parameters VFD-EL-W  Group 3 Output Function Parameters Parameter Function Setting Default Customer 0: No function 1: Indication during RUN 2: Indication of master frequency reached 3: Zero speed 4: Over-torque detection 5: Base-Block (B.B.) indication 6: Low-voltage indication 7: Operation mode indication 8: Fault indication 9: Desired frequency reached...
Page 51 Chapter 4 Parameters VFD-EL-W  Parameter Function Setting Default Customer Mechanical Brake 03.11 0.00–20.00 Hz 0.00 Release Frequency Mechanical Brake 03.12 0.00–20.00 Hz 0.00 Engage Frequency Display the Status of Read 03.13 the Multi-function Read only only Output Terminals...
Page 52 Chapter 4 Parameters VFD-EL-W  Group 4 Input Function Parameters Parameter Function Setting Default Customer Keypad Potentiometer Bias 0.0–100.0% 04.00 0: Positive bias Keypad Potentiometer Bias Polarity 04.01 1: Negative bias Keypad Potentiometer Gain 0.1–200.0% 100.0 04.02 Keypad Potentiometer Negative 0: No negative bias command 04.03 Bias, Reverse Motion Enable /...
Page 53 Chapter 4 Parameters VFD-EL-W  Parameter Function Setting Default Customer 23: Simple positioning stop by forward limit 24: Simple positioning stop by reverse limit 25: Multi-pump control by Hand or Auto mode 26: Auto-trigger preheating function 27: Fire mode enabled (without Operation Command) 28: Fire mode enabled (with Operation Command)
Page 54 Chapter 4 Parameters VFD-EL-W  Parameter Function Setting Default Customer Delay Time of Multi-function Input 0.00–360.00 sec. 0.00 04.34 Terminal (MI3) Turn Off 4-12...
Page 55 Chapter 4 Parameters VFD-EL-W  Group 5 Multi-Step Speed Parameters Parameter Function Setting Default Customer 1st Step Speed Frequency 0.00–400.0 Hz 0.00 05.00 2nd Step Speed Frequency 0.00–400.0 Hz 0.00 05.01 3rd Step Speed Frequency 0.00–400.0 Hz 0.00 05.02 4th Step Speed Frequency 0.00–400.0 Hz 0.00 05.03...
Page 56 Chapter 4 Parameters VFD-EL-W  Group 6 Protection Parameters Parameter Function Setting Default Customer 230V series: 330.0–410.0 V 390.0 Over-Voltage Stall 06.00 Prevention 460V series: 660.0–820.0 V 780.0 Over-Current Stall 0:Disable Prevention during 06.01 20–250% Acceleration Over-Current Stall 0:Disable Prevention during 06.02 20–250% Operation...
Page 57 Chapter 4 Parameters VFD-EL-W  Parameter Function Setting Default Customer 23: OC Hardware protection failure (HPF4) 24: U-phase error (cF3.0) 25: V-phase error (cF3.1) 26: W-phase error (cF3.2) 27: DC bus error (cF3.3) 28: IGBT Overheat error (cF3.4) 34: Motor PTC overheat protection (PtC1) 35: FBE_ERR: PID feedback error (Incorrect feedback signal) 36: dEv: unusual PID feedback deviation...
Page 58 Motor PTC Overheat Protection 07.14 0.1–10.0 V Level Motor PTC Overheat Warning 07.15 0.1–10.0 V Level Motor PTC Overheat Reset Delta 07.16 0.1–5.0 V Level 0: Warn and ramp to stop 07.17 Motor PTC Overheat Action 1: Warn and coast to stop...
Page 59 Chapter 4 Parameters VFD-EL-W  Group 8 Special Parameters Parameter Explanation Settings Default Customer 08.00 DC Brake Current Level 0–100% DC Brake Time during 08.01 0.0–60.0 sec. Start-Up DC Brake Time during 08.02 0.0–60.0 sec. Stopping 08.03 Start-point for DC Brake 0.00–400.0 Hz 0.00 0: Operation stops (coast to stop) after...
Page 60 Chapter 4 Parameters VFD-EL-W  Parameter Explanation Settings Default Customer Number of Fire Mode 08.25 Refer to parameter description Read only Actions 4-18...
Page 61 Chapter 4 Parameters VFD-EL-W  Group 9 Communication Parameters Parameter Explanation Settings Default Customer Communication Address 1–254 09.00 0: Baud rate 4800 bps (bits / second) 1: Baud rate 9600 bps (bits / second) Transmission Speed 09.01 2: Baud rate 19200 bps (bits / second) 3: Baud rate 38400 bps (bits / second) 0: Warn and keep operating 1: Warn and ramp to stop...
Page 62 Chapter 4 Parameters VFD-EL-W  Group 10 PID Control Parameters Parameter Explanation Settings Default Customer 0: Disable PID operation 1: Digital keypad UP/DOWN keys 10.00 PID Set Point Selection 2: Reserved 3: Reserved 4: PID set point (Pr.10.11) 0: Positive PID feedback from external terminal AVI (0–10 V 1: Negative PID feedback from external terminal AVI (0–10 V...
Page 63 Chapter 4 Parameters VFD-EL-W  Parameter Explanation Settings Default Customer 0: Warn and keep operating 1: Warn and coast to stop 2: Warn and ramp to stop 3: Ramp to stop and restart after Pr.10.21 delay time (No display of error and Erroneous PID Feedback 10.20 Deviation Level Action...
Page 64 Chapter 4 Parameters VFD-EL-W  Parameter Explanation Settings Default Customer bit1: Determines the erroneous pump to be in a standby or stop status after reset 0: Set the erroneous pump to be in a standby status after reset 1: Set the erroneous pump to be in a stop status after reset bit2: Determines whether the master pump received the RUN command or not when...
Page 65 Chapter 4 Parameters VFD-EL-W  4.2 Parameter Settings for Applications Speed Search Related Applications Purpose Functions Parameters Before the free-running motor stops Windmills, winding Restart a free-running completely, the AC motor drive auto-searches machines, fans and all 08.04–08.08 motor the motor speed and accelerates when its inertia loads speed is the same as the motor speed.
Page 66 Chapter 4 Parameters VFD-EL-W  Frequency Hold Related Applications Purpose Functions Parameters Acceleration / Hold output frequency during acceleration General application 04.06–04.08 deceleration pause / deceleration Auto-restart after Fault Related Applications Purpose Functions Parameters The AC motor drive can automatically Air conditioners, remote For continuous and restart / reset up to 10 times after a fault...
Page 67 Chapter 4 Parameters VFD-EL-W  Keep Running when Frequency Command is Lost Related Applications Purpose Functions Parameters When the frequency command is lost because of a system malfunction, the AC Air conditioners For continuous operation 02.06 motor drive still runs. Suitable for intelligent air conditioners.
Page 68 Chapter 4 Parameters VFD-EL-W  Output Signal for Base Block Related Applications Purpose Functions Parameters When executing a Base Block, gives a Provide a signal for General application signal for an external system or control 03.00 running status wiring. Overheating Warning for Heat Sink Related Applications Purpose...
Page 69 Chapter 4 Parameters VFD-EL-W  4.3 Description of Parameter Settings Group 0: User Parameters  You can set this parameter during operation. 00.00 AC Motor Drive Identity Code Settings Read Only Default: ## 00.01 AC Motor Drive Rated Current Display Settings Read Only Default: #.#...
Page 70 Chapter 4 Parameters VFD-EL-W  00.04 Content of Multi-function Display Default: 0 Settings Display the content of the user-defined unit (U) Display the counter value that counts the number of pulses on TRG terminal (c) Display status of multi-function input terminals Display the actual DC bus voltage in V for the AC motor drive Display the output voltage in V...
Page 71 Chapter 4 Parameters VFD-EL-W  Method 3: Enter any value that is not the password in Pr.00.08. (Pr.00.08 displays End regardless of whether the password is entered correctly.) Password Decode Flow Chart 00.10 Control Mode Default: 0 Display V/F Control Vector Control ...
Page 72 Chapter 4 Parameters VFD-EL-W  00.13 User-defined Value (corresponds to maximum operating frequency Pr.01.00) Settings 0–9999 Default: 0  When Pr.00.13 is not set to 0, “F” automatically disappears in frequency mode and the rightmost digit blinks. The ranges for many functions display according to Pr.00.13, including the UP/DOWN key on keypad potentiometer, multi-step speed function, and JOG function.
Page 73 Chapter 4 Parameters VFD-EL-W  Group 1: Basic Parameters  You can set this parameter during operation. Maximum Output Frequency (Fmax) 01.00 Unit: 0.01 Settings 50.00–400.0 Hz Default: 60.00  Determines the AC motor drive’s Maximum Output Frequency. All the AC motor drive frequency command sources (analog inputs 0–10 V and 4–20 mA) are scaled to correspond to the output frequency range.
Page 74 Chapter 4 Parameters VFD-EL-W  01.08 01.07 Output Frequency Output Frequency Voltage Lower Limit Upper Limit 01.02 Maximum Output Voltage 01.04 Mid-point Voltage The limit of Output Frequency Frequency 01.06 Minimum 01.05 01.03 01.01 01.00 Output Maximum Voltage Maximum Mid-point Minimum Voltage Output...
Page 75 Chapter 4 Parameters VFD-EL-W  Frequency 01.00 Max. output Frequency setting operation frequency 01.05 Min. output frequency 0 Hz Accel. Time Decel. Time Time 01.11 01.09 01.10 01.12 The definition of Accel./Decel. Time Resulting Resulting Decel. Time Accel. Time Resulting Accel./Decel. Time 01.13 Jog Acceleration Time Unit: 0.1/0.01...
Page 76 Chapter 4 Parameters VFD-EL-W  Linear acceleration and auto-deceleration. Auto-acceleration and auto-deceleration (set by load) Auto-acceleration and auto-deceleration (set by Acceleration/Deceleration Time setting)  With auto-acceleration and auto-deceleration it is possible to reduce vibration and shocks during starting and stopping the load. During auto-acceleration, the torque is automatically measured and the drive accelerates to the set frequency with the shortest acceleration time and the smoothest starting current.
Page 77 Chapter 4 Parameters VFD-EL-W  01.23 Simple Positioning Stop Frequency 3 Unit: 0.01 Settings 0.00–400.00Hz Default: 20.00 01.24 Simple Positioning Stop Frequency 4 Unit: 0.01 Settings 0.00–400.00Hz Default: 30.00 01.25 Simple Positioning Stop Frequency 5 Unit: 0.01 Settings 0.00–400.00Hz Default: 40.00 01.26 Simple Positioning Stop Frequency 6 Unit: 0.01...
Page 78 Chapter 4 Parameters VFD-EL-W                s: operation distance (revolution) n: rotation speed (revolution/ minute) n: rotation speed (revolution/second) p: number of poles in the motor f: operation frequency (Hz) : delay time (second) : deceleration time (second) The value of...
Page 79 Chapter 4 Parameters VFD-EL-W  Therefore, the motor’s operation distance after executing the stop command = number of revolutions x circumference = 175 x 2 πr. It also menas that the swivel table goes back to the top after 175 revolutions. 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.
Page 80 Chapter 4 Parameters VFD-EL-W  Group 2: Operation Method Parameters  You can set this parameter during operation. 02.00 First Master Frequency Command Source Default: 0 02.09 Second Master Frequency Command Source Default: 0 Settings 0: Digital keypad UP/DOWN keys or Multi-function Inputs UP/DOWN. 1: 0–10 V from AVI 2: 4–20 mA from ACI 3: RS-485 (RJ45) communication...
Page 81 Chapter 4 Parameters VFD-EL-W  Example uses are blowers, punching machines, centrifuges and pumps. Frequency Frequency output output frequency frequency motor motor speed speed Time Time stops according to free run to stop operation operation decel eration time command STOP STOP command ramp to stop and free run to stop...
Page 82 Chapter 4 Parameters VFD-EL-W   Take VFD007EL21W(-1) as an example, assume that the ambient temperature is 40°C, the drive output current must be controlled within 100% of the rated current. If the ambient temperature is 50°C, the drive output current should not exceed 80% of the rated current. For other models in an ambient temperature of 50°C, the drive output current must be controlled within 100% of the rated current;...
Page 83 Chapter 4 Parameters VFD-EL-W  command changes as the external terminal’s status changes.  Determines the response of the drive at power-on and when the operation command source is changed. Start lockout Operation status when operation command source is Pr.02.05 changed (Run when power is ON) AC motor drive runs...
Page 84 Chapter 4 Parameters VFD-EL-W   When you set Pr.02.05 to 1 or 3, it does not guarantee that the motor will never run under this condition. It is possible the motor may be set in motion by a malfunctioning switch. 02.06 Loss of ACI Signal (4–20 mA) Default: 0...
Page 85 Chapter 4 Parameters VFD-EL-W  02.12 Communication Frequency Command Unit: 0.01 Settings 0.00–400.00 Hz Default: 60.00  Sets the frequency command or reads the communication frequency command. 02.13 Saving Keypad or Communication Frequency Command Selection Default: 0 Settings 0: Save Keypad & Communication Frequency 1: Save Keypad Frequency Only 2: Save Communication Frequency Only ...
Page 86 Chapter 4 Parameters VFD-EL-W  02.19 User-defined Value 2 Settings Read only Default: 0  For example, assume that the frequency source is the first frequency + the second frequency command (the first frequency source is the digital keypad and the second frequency source is AVI), the user-defined value 1 is set to 180.0 (Pr.00.13 is set to 1800;...
Page 87 Chapter 4 Parameters VFD-EL-W  Group 3: Output Function Parameters  You can set this parameter during operation. 03.00 Multi-function Output Relay (RA1, RB1, RC1) Default: 8 Settings 0–25 Settings Function Description No Function There is no function for the output terminals. Indication During Run Active when the drive is ready or RUN command is ON.
Page 88 Chapter 4 Parameters VFD-EL-W  Settings Function Description Preheating Function Active when the preheating function is enabled. Indication Fire Mode Indication Active when MI is set to 27 or 28 (fire mode). ※ “Active” means ON or low voltage. 03.01 Reserved 03.02 Desired Frequency Reached...
Page 89 Chapter 4 Parameters VFD-EL-W  2msec Display (Pr.00.04=1) Counter Trigger 2msec The width of trigger signal Preliminary Count Value should not be less than (Pr. 03.00=11) 2ms(<250 Hz) Ex:03.05=5,03.06=3 Terminal Count Value (Pr. 03.00=10) 03.07 EF Active when Terminal Count Value Reached Default: 0 Settings Terminal count value reached, no EF display.
Page 90 Chapter 4 Parameters VFD-EL-W  Frequency Output Case 1: Pr.03.12 Pr. 03.11 Case 2: Pr.03.12 Time Run/Stop Case 1: Pr.03.00=21 Case 2: Pr.03.00=21  Pr.03.00 multi-function output terminal 21 (Mechanical Brake Control): When the output frequency reaches Pr.03.11 (Mechanical Brake Release Frequency), the multi-function output terminal is closed. When the output frequency reaches Pr.03.12 (Mechanical Brake Engage Frequency), the multi-function output terminal is open.
Page 91 Chapter 4 Parameters VFD-EL-W  Group 4: Input Function Parameters  You can set this parameter during operation. 04.00 Keypad Potentiometer Bias Unit: 0. 1 Settings 0.0–100.0% Default: 0.0 04.01 Keypad Potentiometer Bias Polarity Default: 0 Settings Positive Bias Negative Bias 04.02 Keypad Potentiometer Gain Unit: 0.1...
Page 92 Chapter 4 Parameters VFD-EL-W  Example 2: If you want the corresponded minimum value to be 12 Hz (the master frequency setting) when operating the keypad potentiometer to the leftmost, and you set other frequency settings, refer to the diagram below. 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 93 Chapter 4 Parameters VFD-EL-W  Example 5: This example uses a 1 V negative bias. In noisy environments, negative bias can be useful to provide a noise margin (1 V in this example). Example 6: This example uses a negative bias to provide a noise margin. In additional, it uses a potentiometer frequency gain to reach the Maximum Output Frequency.
Page 94 Chapter 4 Parameters VFD-EL-W  Example 8: This example uses negative slope. With these settings, the AC motor drive always runs in only one direction (reverse). 04.11 Minimum AVI Voltage Unit: 0.1 Default: 0.0 Settings 0.0–10.0 V 04.12 Minimum AVI Frequency (percentage of Pr.01.00) Unit: 0.1 Default: 0.0 Settings...
Page 95 Chapter 4 Parameters VFD-EL-W  04.19 MI Terminal Control Mode Selection Default: 0 0: Mode 1 Settings (MI1: Start-up/Stop terminal; MI2 & MI3: multi- function input terminals) 1: Mode 2 (MI1/MI2/MI3 support two-wire/three-wire start-up)  Determines the MI terminal control modes. ...
Page 96 Chapter 4 Parameters VFD-EL-W  0: MI1 Start-up (keypad FWD lights) / Stop Mode 1 (Pr.04.19=0) Mode 2 0: Two-wire (1) MI1, MI2 (Pr.04.19=1) 1: Two-wire (2) MI1, MI2 2: Three-wire, MI1, MI2, MI3  Pr.04.19 determines the setting range and function for Pr.04.04. ...
Page 97 Chapter 4 Parameters VFD-EL-W  Settings Function Description External Reset Use this terminal to reset the drive after drive faults are cleared. When you enable this function, the drive stops acceleration and deceleration immediately. The AC motor drive resumes from the inhibit point once this function is disabled.
Page 98 Chapter 4 Parameters VFD-EL-W  Settings Function Description These two functions are the same as the up / down key on the digital keypad, but are only valid when the frequency command DOWN: Decrease Master source is set as digital keypad (Pr.02.00 / 02.09=0). You cannot use Frequency these two functions to change the parameter setting.
Page 99 Chapter 4 Parameters VFD-EL-W  04.09 Multi-function Input Contact Selection Unit: 1 Settings 0–63 Default: 0  Sets the contact status of external multi-function input terminals MI2–MI4 to be normally open (N.O.) or normally closed (N.C.) according to the start-up / stop mode (Pr.04.19 and Pr.04.04). ...
Page 100 Chapter 4 Parameters VFD-EL-W  3. When MI3 (corresponds to bit2) is triggered, and the weight is 4, Pr.04-26=59 (63-4). 4. When MI4 (corresponds to bit3) is triggered, and the weight is 8, Pr.04-26=55 (63-8). 5. If more than one MI terminals are triggered, use 63 minus the weight that corresponds to the MI terminal. For example, if you set MI2 and MI3 to ON, Pr.04.26 displays 57 (63-2-4=57, decimal) Internal/External Multi-function Input Terminals Selection 04.27...
Page 101 Chapter 4 Parameters VFD-EL-W  For example, to activate MI3 and MI4, set Pr.04.28 to 12. Delay Time of Multi-function Input Terminal (MI1) Turn On 04.29 0.00–360.00 sec. Settings Default: 0.00 Delay Time of Multi-function Input Terminal (MI1) Turn Off 04.30 Settings 0.00–360.00 sec.
Page 102 Chapter 4 Parameters VFD-EL-W  Group 5: Multi-Step Speed Parameters  You can set this parameter during operation. 05.00 1st Step Speed Frequency Unit: 0.01 05.01 2nd Step Speed Frequency Unit: 0.01 05.02 3rd Step Speed Frequency Unit: 0.01 05.03 4th Step Speed Frequency Unit: 0.01 05.04...
Page 103 Chapter 4 Parameters VFD-EL-W  Group 6: Protection Parameters  You can set this parameter during operation. 06.00 Over-Voltage Stall Prevention Unit: 0.1 330.0–410.0V Settings 230V series Default: 390.0 460V series 660.0–820.0V Default: 780.0  The default for 230V series is 390.0; the default for 460V series is 780.0. ...
Page 104 Chapter 4 Parameters VFD-EL-W  06.01 output current Over-Current Detection Level setting frequency Over-Current Stall prevention during Output Acceleration, Frequency frequency held time previous acceleration time actual acceleration time when over-current stall prevention is enabled Over-current Stall Prevention during Operation 06.02 Unit: 1 Settings...
Page 105 Chapter 4 Parameters VFD-EL-W   This setting is proportional to the Rated Output Current of the drive. 06.05 Over-torque Detection Time Unit: 0.1 Settings 0.1–60.0 sec. Default: 0.1  Sets the length of time that over-torque must be detected before “OL2” displays. ...
Page 106 Chapter 4 Parameters VFD-EL-W  IGBT overheat (oH1) Reserved Overload (oL) Overload (oL1) Motor overload (oL2) External Fault (E.F.) Current exceeds two times the rated current during acceleration (ocA) Current exceeds two times the rated current during deceleration (ocd) Current exceeds two times the rated current during constant speed operation (ocn) Reserved Reserved...
Page 107 Chapter 4 Parameters VFD-EL-W  Group 7: Motor Parameters  You can set this parameter during operation. 07.00 Motor Rated Current Unit: 0.1 Settings 23% FLA–120% FLA Default: 100  Use the following formula to calculate the percentage value entered in this parameter: FLA = (Motor Current / AC Motor Drive Current) x 100% Motor Current = Motor rated current in A on the motor nameplate AC Motor Drive Current = Rated current of AC motor drive in A (see Pr.00.01)
Page 108 Chapter 4 Parameters VFD-EL-W  2. Vector control mode is not recommended if the motor rated power exceeds the rated power of the AC motor drive. 07.05 Motor Line-to-line Resistance R1 (Motor 0) Settings 0–65535 mΩ Default: 0  The motor auto-tuning procedure sets this parameter. You can also set this parameter without using Pr.07.04 (Motor Parameter Auto-Tuning).
Page 109 Chapter 4 Parameters VFD-EL-W  07.12 Motor PTC Overheat Protection Unit: 1 Default: 0 Settings Disable Enable 07.14 Motor PTC Overheat Protection Level Unit: 0.1 Settings 0.1–10.0 V Default: 2.4  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 110 ℃ Tr-5 ℃ Tr+5 ℃ 07.15 Motor PTC Overheat Warning Level Unit: 0.1 Settings 0.1–10.0 V Default: 1.2 07.16 Motor PTC Overheat Reset Delta Level Unit: 0.1 Settings 0.1–5.0 V Default: 0.6 07.17 Motor PTC Overheat Action Default: 0 Settings...
Page 111 Chapter 4 Parameters VFD-EL-W  Group 8: Special Parameters  You can set this parameter during operation. 08.00 DC Brake Current Level Unit: 1 Settings 0–100% Default: 0  Sets the level of the DC Brake Current output to the motor during start-up and stopping. When setting the DC Brake Current, the AC Motor Drive Rated Current (Pr.00.01) is equal to 100%.
Page 112 Chapter 4 Parameters VFD-EL-W   The selected operation after power loss in Pr.08.04 is only executed when the maximum allowable power loss time is  5 seconds and the AC motor drive keypad displays “Lu”. If the AC motor drive is powered off due to overload, even if the maximum allowable power loss time is  5 seconds, the drive does not execute the operation mode you set for Pr.08.04.
Page 113 Chapter 4 Parameters VFD-EL-W  Settings 0.1–5.0 sec. Default: 0.5  When the AC motor drive detects a momentary power loss, it blocks its output and then waits for a period of time specified by this parameter before resuming operation. Set this parameter at a value that ensures that any residual regeneration voltage from the motor on the output has disappeared before the drive is activated again.
Page 114 Chapter 4 Parameters VFD-EL-W   Use this parameter in conjunction with Pr.08.15. For example: If you set Pr.08.15 to 10 and Pr.08.16 to 600 seconds (10 minutes), and if there is no fault for over 600 seconds from the restart for the previous fault, then the number of auto-restarts after a fault is reset to 10.
Page 115 Chapter 4 Parameters VFD-EL-W   Sets the DC current level input to the motor during preheating. The DC current during preheating is 100% equal to the Motor Rated Current (Pr.07.00). When setting this parameter, increase the current level slowly until you reach the desired preheating temperature.
Page 116 Chapter 4 Parameters VFD-EL-W   The diagram below shows the sequential relationship between the preheating function and enabled DC brake. 08.23 Fire Mode Settings 0: No function Default: 0 1: Forward running 2: Running in reverse Use this parameter with Pr.04.06–Pr.04.08 multi-function input terminals #27 or #28 (Fire mode enabled ...
Page 117 Chapter 4 Parameters VFD-EL-W  ※ Fault code list of normal mode and fire mode: Fault Name Normal Mode Fire Mode Over current (oc) Over voltage (ov) Over heat 1 (oH1) No detection Over heat 2 (oH2) No detection Over Load (oL) (150% 1 Min., Drive) No detection Internal electronic overload trip (oL1) No detection...
Page 118 Chapter 4 Parameters VFD-EL-W  Group 9: Communication Parameters  You can set this parameter during operation. The AC motor drive includes a built-in RS-485 serial interface, marked RJ45 near the control terminals. The RS- 485 pins are defined below. RS-485 Serial interface 1: Reserved 2: EV...
Page 119 Chapter 4 Parameters VFD-EL-W  Modbus ASCII mode, protocol <7, O, 2>  Control by PC 1. When using RS-485 to connect with the communication port, you must set the communication address for each VFD-EL-W drive in Pr.09.00 first so that the PC controls according to each address. 2.
Page 120 Chapter 4 Parameters VFD-EL-W  （7 , E , 2） Start Even Stop Stop parity 7-data bits 11-bits character frame （7 , O , 2） Start Stop Stop parity 7-data bits 11-bits character frame Character Frame for RTU: （ 8 , N , 2） Start Stop Stop...
Page 121 Chapter 4 Parameters VFD-EL-W  （8 , O , 2） Start Stop Stop parity 8-data bits 12-bits character frame  Communication Protocol 1. Communication Data Frame ASCII mode: Start character ‘:’ (3AH) Address Hi Communication address: 8-bit address consists of two ASCII codes. Address Lo Function Hi Command code:...
Page 122 Chapter 4 Parameters VFD-EL-W  3. Function (Function code) and DATA (data characters) The format of the data characters depends on the function code. 03H: Read data from register 06H: Write single register 08H: Loop detection The available function codes and examples for the VFD-EL-W drive are described in the following tables. (1) 03H: multi-read, read data from registers.
Page 123 Chapter 4 Parameters VFD-EL-W  Command message: Response message: ‘7’ ‘7’ ‘0’ ‘0’ ‘7’ ‘7’ LRC Check LRC Check ‘1’ ‘1’ RTU mode: Command message: Response message: Data Data Data Data CRC CHK Low CRC CHK Low CRC CHK High CRC CHK High 4.
Page 124 Chapter 4 Parameters VFD-EL-W  5. Address list The contents of the available addresses are shown in the following table. Content Address Function GG means parameter group, nn means parameter number. For example, the address of Pr.04.01 is 0401H. Refer to Chapter 4 AC motor drive GGnnH Parameters for the function of each parameter.
Page 125 Chapter 4 Parameters VFD-EL-W  Content Address Function 16: Auto-acceleration/deceleration failure (cFA) 17: Software and parameter password protection enabled (codE) 18: Power Board CPU WRITE failure (cF1.0) 19: Power Board CPU READ failure (cF2.0) 20: CC, OC Hardware protection failure (HPF1) 21: OV Hardware protection failure (HPF2) 22: Reserved 23: OC Hardware protection failure (HPF4)
Page 126 Chapter 4 Parameters VFD-EL-W  Content Address Function 1: Operation command is controlled by the bit 10 communication interface. – Reserved bit 11 2102H Frequency command (F) 2103H Output frequency (H) 2104H Output current (AXX.X) 2105H Reserved 2106H Reserved 2107H Reserved 2108H DC bus Voltage (UXXX.X)
Page 127 Chapter 4 Parameters VFD-EL-W  Explanation of exception codes: Exception code Explanation Illegal function code: The function code received in the command message is not available for the AC motor drive. Illegal data address: The data address received in the command message is not available for the AC motor drive.
Page 128 Chapter 4 Parameters VFD-EL-W  09.06 Reserved 09.07 Response Delay Time Unit: 1 – Settings Default: 1 200 (1 unit = 2 ms.)  Sets the response delay time after the AC motor drive receives a communication command as shown in the following diagram.
Page 129 Chapter 4 Parameters VFD-EL-W  Group 10: PID Control Parameters  You can set this parameter during operation. PID Set Point Selection 10.00 Default: 0 Settings Disable Digital keypad UP/DOWN keys Reserved Reserved PID set point (Pr.10.11) 10.01 Input Terminal for PID Feedback Default: 0 Positive PID feedback from external terminal AVI (0–10 V Settings...
Page 130 Chapter 4 Parameters VFD-EL-W  operation increases noise interference. Note that a too large differential causes more noise interference. In addition, the differential shows the change and the output is 0 when there is no change. Note that you cannot use the differential control independently. You must use it with the other two controllers for the PD controller or PID controller.
Page 131 Chapter 4 Parameters VFD-EL-W  10.10 Gain Over the PID Detection Value Unit: 0.1 0.0–10.0 Settings Default: 1.0  Sets the gain adjustment over the feedback detection value. Refer to the PID closed-loop control diagram in Pr.10.06 for details. 10.12 PID Deviation Level Unit: 0.1 Settings...
Page 132 Chapter 4 Parameters VFD-EL-W   When the PID function is enabled and the sleep mode is disabled:  If Pr.01.08 > Pr.01.05, the lower limit of the AC motor drive output frequency H is limited by Pr.01.08.  If Pr.01.08 ≤ Pr.01.05, the lower limit of the AC motor drive output frequency H is limited by Pr.01.05. When it reaches Pr.01.05, the AC motor drive stops output and is in ready status.
Page 133 Chapter 4 Parameters VFD-EL-W  Integral Output Digital gain Freq. Freq. filter Setpoint limit Limit Command 10.02 10.03 10.06 10.05 10.07 10.04 Input Freq. Gain feedback 10.01 10.10  Parallel mode 10.02 In teg ra l Outp ut Di gi tal g ai n Freq .
Page 134 Chapter 4 Parameters VFD-EL-W   Pr.10.24 is based on the set point set by the PID control. When the drive does not run and is in a constant pressure status, and if the error is higher than Pr.10.24 due to liquid leakage (minor pressure loss), the AC motor drive starts to run.
Page 135 Chapter 4 Parameters VFD-EL-W  1: Fixed time circulation (alternative operation) 2: Fixed quantity control (multi-pump operating at constant pressure)  When using the multi-pump control mode, you must set Pr.10.35 for each pump to the same value. 10.36 Multi-pump ID Settings 0–4 Default: 0...
Page 136 Chapter 4 Parameters VFD-EL-W  10.43 Pump’s Error Treatment Settings Bit0–Bit2 Default: 1  This parameter is only valid for master pump settings.  Bit0: Determines whether the erroneous pump switches to an alternative pump when an error occurs in the running pump.
Page 137 Chapter 4 Parameters VFD-EL-W   When the pressure sensor is set to 10 kg, Pr.10.49=1 and Pr.10.12=10.0% (that is, the physical quantity=1 kg), and if the set point=3 kg and feedback < 1 kg, then the AC motor drive follows the setting for Pr.10.20. 10.50 Number of Times of Restart after PID Fault Settings...
Page 138 Chapter 4 Parameters VFD-EL-W  VFD-EL-W Multi-pump SOP STEP The pressure feedback signal only connects to the Master, so set the PID for the master pump only. PID settings Pr.10.00 (PID Set Point Selection) Pr.10.01 (Input Terminal for PID Feedback) Each AC motor drive has a PID controller, so set the following parameters for all AC motor drives.
Page 139 Chapter 4 Parameters VFD-EL-W  Optional Accessories for Multi-pumps under Alternative Operation When you use the multi-pump operation, pay attention to the following wirings. 1. Use a RJ45 cable (8 pin, Internet cable) without an adapter. Simply connect the master/slave communication port.
Page 140 Chapter 4 Parameters VFD-EL-W  Related parameters when setting Pr.10.35=1 Parameter Function Settings Default user’s user’s Note master slave 0: Display the frequency command value (F) 1: Display the actual output frequency Start-up Display 2: Display the output current in Amps 00.03 Selection supplied to the motor (A)
Page 141 Chapter 4 Parameters VFD-EL-W  Accel. Time 1 0.1–600.0 / 0.01–600.00 sec. 10.0 Adjusts according 01.09 to customer’s Decel. Time 1 0.1–600.0 / 0.01–600.00 sec. 01.10 10.0 applications The time the AC motor drive decelerates to Decel. Time 2 0.1–600.0 / 0.01–600.00 sec. 10.0 01.12 stop when the...
Page 142 Chapter 4 Parameters VFD-EL-W  Parameter Function Settings Default user’s user’s Note master slave 0: Disable 1: Digital keypad UP/DOWN Adjusts according keys PID Set Point 10.00 to customer’s Selection 2: Reserved applications 3: Reserved 4: PID set point (Pr.10.11) 0: Positive PID feedback from external terminal AVI (0–10 V...
Page 143 Chapter 4 Parameters VFD-EL-W  When the feedback value and the set point deviation are both 0.15 kg (3 kg X Set Point Deviation 5%=0.15 kg), that 0–100% 10.22 Level is, when feedback value is ≥ 2.85 kg and time > 10 seconds, the AC motor drive starts to decelerate to...
Page 144 Chapter 4 Parameters VFD-EL-W  0: Disable 1: Fixed time circulation Multi-pump Control (alternative operation) 10.35 Mode 2: Fixed quantity control (multi-pump operating at constant pressure) 0: Multi-pump control mode is disabled 10.36 Multi-pump ID 1: Master 2–4: Slave Multi-pump’s Fixed Time Circulation 1–65535 minutes 10.37...
Page 145 Chapter 4 Parameters VFD-EL-W  For multi-pump operating at constant pressure (Pr.10.35=2 Fixed Quantity Control) Related parameters when setting Pr.10.35=2 Parameter Function Settings Default user’s user’s Note master slave 0: Display the frequency command value (F) 1: Display the actual output frequency (H) Start-up Display 2: Display the output current...
Page 146 Chapter 4 Parameters VFD-EL-W  Parameter Function Settings Default user’s user’s Note master slave Maximum Output 01.00 50.00–400.0 Hz 60.00 60.00 60.00 Frequency (Fmax) Motor Rated Follows the specifications of 01.01 Frequency 0.10–400.0 Hz 60.00 60.00 60.00 pumps (Fbase) Motor Rated 230V series: 0.1–255.0 V 220.0 220.0 220.0...
Page 147 Chapter 4 Parameters VFD-EL-W  Parameter Function Settings Default user’s user’s Note master slave 4: PID set point (Pr.10.11) 0: Positive PID feedback from external terminal AVI (0– 10 V 1: Negative PID feedback from external terminal AVI Input Terminal (0–10 V 10.01 for PID...
Page 148 Chapter 4 Parameters VFD-EL-W  Parameter Function Settings Default user’s user’s Note master slave decelerate to stop. This Detection deceleration time is Time of Set according to the Point 1–9999 sec. Deceleration Time 2 in 10.23 Deviation Pr.01.12. When the feedback Level value is <...
Page 149 Chapter 4 Parameters VFD-EL-W  Parameter Function Settings Default user’s user’s Note master slave Bit0: Determines whether the erroneous pump switches to an alternative pump when an error occurs in the running pump. 0: All pumps stop 1: Switch to an alternative pump 000=0 Bit1: Determines the...
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Page 151 Chapter 5 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 5-13 Operating Environment Condition...
Page 152  Chapter 5 Troubleshooting VFD-EL-W 5.1 Over-Current (oc)
Page 153  Chapter 5 Troubleshooting VFD-EL-W 5.2 Over-Voltage (ov)
Page 154  Chapter 5 Troubleshooting VFD-EL-W 5.3 Low Voltage (Lv)
Page 155  Chapter 5 Troubleshooting VFD-EL-W 5.4 Overheat (oH1)
Page 156  Chapter 5 Troubleshooting VFD-EL-W 5.5 Overload (oL)
Page 157  Chapter 5 Troubleshooting VFD-EL-W 5.6 Keypad Display is Abnormal 5.7 Phase Loss (PHL)
Page 158  Chapter 5 Troubleshooting VFD-EL-W 5.8 Motor Does Not Run...
Page 159  Chapter 5 Troubleshooting VFD-EL-W 5.9 Motor Speed Cannot be Changed...
Page 160  Chapter 5 Troubleshooting VFD-EL-W 5.10 Motor Stalls During Acceleration 5.11 The Motor Does Not Run as Expected 5-10...
Page 161  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 162  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. 1.
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Page 164 Chapter 6 Fault Code Information and Maintenance 6.1 Fault Code Information 6.2 Maintenance and Inspections 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.
Page 165  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 166  Chapter 6 Fault Code Information and Maintenance VFD-EL-W Fault Name Fault Descriptions Corrective Actions External Base Block 1. When the external input terminals (B.B) (MI1–MI4) are active, the AC motor drive stops The “bb” disappears once the signal source is cleared. output.
Page 167  Chapter 6 Fault Code Information and Maintenance VFD-EL-W Fault Name Fault Descriptions Corrective Actions 1. Check the RJ45 connection between the AC motor drive for loose wires and wiring to the correct pins. Communication Fault 2. Check if the communication protocol is properly set. 3.
Page 168  Chapter 6 Fault Code Information and Maintenance VFD-EL-W Reset the “RESET” key (as shown in the figure below) to reset the external terminal after the Press fault is cleared, and set this terminal to be ON or send the Reset command through communication, then the trip is cleared.
Page 169  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 170  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 Visual inspection ...
Page 171  Chapter 6 Fault Code Information and Maintenance VFD-EL-W Main circuit resistor Maintenance Period Items to Check Methods and Criterion Daily Half Year One Year Check for any peculiar odors or insulation cracking due to Visual inspection, smell.  overheating. Check for any disconnections.
Page 172  Chapter 6 Fault Code Information and Maintenance VFD-EL-W Cooling system ventilation channel Maintenance Period Items to Check Methods and Criterion Daily Half Year One Year Check for any obstruction around the heat sink, air intake Visual inspection  or air outlet. NOTE Use chemically neutral cloth to clean and use a dust cleaner to remove dust when necessary.
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Page 174 12 pcs/carton. 2. The electrical specifications are the same for either packaging. 3. 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.
Page 175 Appendix A Specifications VFD-EL-W  A1. 230V 1φ Series Model Number VFD□□□EL21W (-1) Max. Applicable Motor 0.75 Output (kW) Max. Applicable Motor 0.25 Output (HP) Rated Output Capacity (kVA) Rated Output 11.0 Current (A) Maximum Output Three-phase Proportional to Input Voltage Voltage (V) Output Frequency 0.1–400...
Page 176 Appendix A Specifications VFD-EL-W  A3. General Specifications Characteristics Descriptions SPWM (Sinusoidal Pulse Width Modulation) control (V/F control, Vector Control System 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...
Page 177 Appendix A Specifications VFD-EL-W  A4. 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, except VFD007EL21W(-1) which °...
Page 178 Appendix A Specifications VFD-EL-W  A5. 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.
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Page 180 Appendix B Accessories B.1 Non-fuse Circuit Breaker Chart B.2 Reactor B.2.1 AC Reactor B.2.2 Zero Phase Reactor B.3 Digital Keypad B.3.1 PU06 B.3.2 PU08 and PU08V B.4 Optional Cooling Fan 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.
Page 181 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...
Page 182 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 183 Appendix B Accessories VFD-EL-W  B.2.2 Zero Phase Reactor RF220X00A UNIT: mm [inch] Diagram A Recommended Wire Size Cable Wiring Please wind each wire four times around the core. The type Qty. Nominal Method reactor must be put as close to the inverter output as (Note) possible.
Page 184 Appendix B Accessories VFD-EL-W  B.3 Digital Keypad B.3.1 VFD-PU06 B.3.1.1 Digital Keypad VFD-PU06 Description B.3.1.2 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.
Page 185 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 186 Appendix B Accessories VFD-EL-W  B.3.1.3 Operation Flow Chart Write Write parameters parameters failure success...
Page 187 Appendix B Accessories VFD-EL-W  B.3.2 VFD-PU08 and VFD-PU08V VFD- Item Specification PU08 Compatible Drive VFD-EL-W, ME300 Communication RS485 Protocol PU08: W: 68.0, D: 35.6, H: 46.8. Size (mm) PU08V: W: 36.5, D: 31.0, H: 70.0. PU08: By snap-fit or by fastening screws.
Page 188  Appendix B Accessories VFD-EL-W Communication cable Model Name inch UC-CMC003-01A 11.8 UC-CMC005-01A 19.6 UC-CMC010-01A 1000 39.0 UC-CMC015-01A 1500 59.0 UC-CMC020-01A 2000 78.7 UC-CMC030-01A 3000 118.1 UC-CMC050-01A 5000 196.8...
Page 189  Appendix B Accessories VFD-EL-W B.4 Optional Fan Kit After you install the cooling fan to the VFD007EL21W(-1), you can increase the ambient temperature of the operating environment up to 50°C without derating. If you choose not to install the cooling fan, the ambient temperature of the operating environment is only up to 40°C without derating.
Page 190  Appendix B Accessories VFD-EL-W Replace the top cover to complete the cooling fan installation B-11...
Page 191 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 The choice of the right AC motor drive for the application is very important and has a big influence on the drive’s lifetime.
Page 192  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: ...
Page 193  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) ϕ 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 194  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 195  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.  Gear reduction motor: The lubricating method of the reduction gearbox and the speed range for continuous operation are different and depend on the motor brand.
Page 196  Appendix C How to Select the Right AC Motor Drive VFD-EL-W operation and carefully choose the capacity of the AC motor drive. When one AC motor drive operates more than one motors, pay attention to starting and changing the motor. Power Transmission Mechanism Pay attention to reduced lubrication when operating equipment such as gear reduction motors, gearboxes, belts and chains over long periods at low speeds.
Page 197  Appendix C How to Select the Right AC Motor Drive VFD-EL-W This page intentionally left blank.

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