Instruction/ maintenance manual of the product VFD-M Delta Electronics
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Preface Thank you for choosing DELTA’s high-perform ance VFD-M Serie s. The VFD-M Series is manufactured with high-quali ty components and ma terials and incorporate th e latest microprocesso r technology av ailable.
WA R N I N G ! 1. DO NOT use Hi-pot test for internal component s. The semi-conductor u sed in AC motor drive easily damage by hi gh-voltage. 2. There are highly sensitiv e MOS components on the printed circuit board s. These components are especially sen sitive to static electricit y.
Table of Contents Prefac e ............................................................................................................. i Table of Co ntents .......................................................................................... iii Chapter 1 Intr oduction .
2.3.2 Main Circui t Terminal s ................................................................. 2-8 2.4 Control Terminal Wiri ng (Factory Se ttings) ........................................ 2-9 Chapter 3 Keypad and Start Up ..........................
5.12 The Motor does not Run as Expec ted .............................................. 5-8 5.13 Electromagnetic/In duction No ise ...................................................... 5-9 5.14 Environm ental Condit ion ..............................
B.7.3 Operation Fl ow Chart ................................................................B-13 B.8 AMD - EMI Filter Cross Refer ence .................................................. B-14 B.8.1 Dimens ions ..........................................
Revision May 2008, ME14, S W V3.04 1-1 Chapter 1 Introduction The AC motor drive sho uld be kept in the shipping carton or crate before installation. In order to retain the warranty coverage, the AC motor drive s hould be stored properly when it is not to be used for an extended per iod of time.
Chapter 1 Introduction | 1-2 Revision May 2008, ME14, S W V3.04 1.1 Receiving and Inspection This VFD-M AC motor driv e has gone through rigorou s quality control tests at the factory before shipment.
Chapter 1 Introduction | Revision May 2008, ME14, S W V3.04 1-3 1.1.4 External Parts and Labels.
Chapter 1 Introduction | 1-4 Revision May 2008, ME14, S W V3.04 1.1.5 Remove Instructions Remove Keypad Remove Front Cover RST Side UVW Side.
Chapter 1 Introduction | Revision May 2008, ME14, S W V3.04 1-5 1.2 Preparation for Installation and Wiring 1.2.1 A mbient Condit ions Install the AC motor driv e in an environment w ith the follow ing conditions: Air Temperature: -10 ~ +50°C (14 ~ 122°F) for UL & cUL -10 ~ +40°C (14 ~ 104°F) for 5.
Chapter 1 Introduction | 1-6 Revision May 2008, ME14, S W V3.04 CAUTION ! 1. Operating, storing or transporting the AC motor drive outside the se conditions may cau se damage to the AC motor drive. 2. Failure to observe these prec autions may vo id the warranty! 3.
Chapter 1 Introduction | Revision May 2008, ME14, S W V3.04 1-7 1.3 Dimensions H D D1 H1 W1 W H2 Unit: mm [inch] Model Name W W1 H H1 H2 D D1 VFD004M21A/23A, VFD007M21A/23A, VFD015M21A/23A 85.0 [3.35] 74.0 [2.91] 141.5 [5.57] 130.5 [5.14] 10.0 [0.39] 113.
Chapter 1 Introduction | 1-8 Revision May 2008, ME14, S W V3.04 This page intention ally left blank.
Revision May 2008, ME14, S W V3.04 2-1 Chapter 2 Installation and Wiring After removing the front cover, check if the power and control terminals are cle ar. Be sure to observ e the following preca utions when wiring. General Wiring Information Applicable Codes All VFD-M series are Underw riters Laborator ies, Inc.
Chapter 2 Installation and Wiring | 2-2 Revision May 2008, ME14, S W V3.04 DANGER! 1. A charge may still r emain in the DC bus capa citor s with hazardous v oltages even if the pow er has been turned o ff.
Chapter 2 Install ation and Wiring | Revision May 2008, ME14, S W V3.04 2-3 CAUTI ON! 1. The wiring of main circuit and control circui t should be separated to prev ent erroneous actions. 2. Please use shield wire for the control w iring and not to expose the peeled-off net in front of the terminal.
Chapter 2 Installation and Wiring | 2-4 Revision May 2008, ME14, S W V3.04 Good Not allow ed.
Chapter 2 Install ation and Wiring | Revision May 2008, ME14, S W V3.04 2-5 2.2 External Wiring Motor Output AC Line Reactor Power Sup ply Magneti c contacto r Input AC Line Reactor EMI Filt er R/L1 S.
Chapter 2 Installation and Wiring | 2-6 Revision May 2008, ME14, S W V3.04 2.3 Main Circuit 2.3.1 Main Circuit Connection R( L1) S(L2) T(L3) R S T U( T1) V(T2) W(T3) IM 3~ MC E E B1 Non- f use br eake.
Chapter 2 Install ation and Wiring | Revision May 2008, ME14, S W V3.04 2-7 Please use voltage and current within the regulation show n in Appendix A. When using a GFCI (Ground Fault Circuit Interrupter ), select a cu rrent senso r with sensitivity of 200mA, and not less than 0.
Chapter 2 Installation and Wiring | 2-8 Revision May 2008, ME14, S W V3.04 2.3.2 Main Circuit Terminals Note: It needs to use the Re cognized Ring Terminal to conduct a prop er wiring. Wire Type: 75 o C C opper Only Model Name Max. Current (input / output) Wire Gauge AW G (mm 2 ) T orque kgf-cm (in-lbf) VFD002M11A 6A/1.
Chapter 2 Install ation and Wiring | Revision May 2008, ME14, S W V3.04 2-9 2.4 Control T erminal W iring (Factory Settings) M0 M1 M2 M3 M4 M5 GND AFM AV I +10V MCM MO1 RA RB RC Relay c ontactor Outpu.
Chapter 2 Installation and Wiring | 2-10 Revision May 2008, ME14, S W V3.04 Terminal Symbol Terminal Function Factory Settings (N PN mode) RC Multi-function Relay Common 5A(N.
Chapter 2 Install ation and Wiring | Revision May 2008, ME14, S W V3.04 2-11 Terminal Symbol Terminal Function Factory Settings (N PN mode) MO1 Multi-function Output Terminal (Photocoupler) Maximum: 48Vdc, 50mA Refer to P45 for programming.
Chapter 2 Installation and Wiring | 2-12 Revision May 2008, ME14, S W V3.04 General Keep control w iring as far away as po ssible from the p ower wiring and in separate conduits to avoid interference. If necessary let the m cross only at 90º angle.
Revision May 2008, ME14, S W V3.04 3-1 Chapter 3 Keypad and Start Up 3.1 Keypad 3.1.1 Description of the Digi tal Key pad The digital keypad i ncludes two parts: Display panel and key pad. The display panel pr ovides the parameter display and shows the operation stat us of the AC drive and the key pad provides programming and control interface .
Chapter 3 Keypad and Start Up | 3-2 Revision May 2008, ME14, S W V3.04 Displayed Message Descriptions The actual value stored within the specified paramete r. The AC drive forward run sta tus. The AC drive reverse run status. “End” displays for a pproximately 1 second i f input has been accepted.
Chapter 3 Key pad and Start Up | Revision May 2008, ME14, S W V3.04 3-3 3.1.3 LC-M02E Unit: mm [inch] Reference Table for th e 7-segment LED Display of the Digital Key pad Digit 0 1 2 3 4 5 6 7 8 9 LE.
Chapter 3 Keypad and Start Up | 3-4 Revision May 2008, ME14, S W V3.04 Digital Keypad – Mounting Panel A Unit: mm [inch] Digital Keypad – Mounting Panel B Unit: mm [inch].
Chapter 3 Key pad and Start Up | Revision May 2008, ME14, S W V3.04 3-5 3.2 Operation Method The operation method can be set via control te rminals and LC-M02E keypad. Please choo se a suitable method depending on application and operation r ule. 3.3 T rial Run The factory setting of the operation so urce is from the digital keypad (Pr .
Chapter 3 Keypad and Start Up | 3-6 Revision May 2008, ME14, S W V3.04 4. Check follow ing items: Check if the motor direction of rotation is correct. Check if the motor r uns steadily wi thout abnormal noise and vibration. Check if acceleratio n and deceleration are smooth.
Revision May 2008, ME14, S W V3.04 4-1 Chapter 4 Parameters This VFD-M AC motor driv e has 157 parameters for easy setting. In most applications, the u ser can finish all parameter settings before start-up wi thout the need for re-adjustment du ring operation.
Chapter 4 Parameter s | 4-2 Revision May 2008, ME14, S W V3.04 4.1 Summary of Parameter Settings : The parameter can be set during o peration. Parameter Explanation Settings Factory Setting Customer Pr.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-3 Parameter Expl anation Settings Factory Setting Customer Pr.08 Minimum Output Freq 0.10 to 20 .00Hz 1.50 115V/230V: 0.1 to 255.0V 10.0 460V: 0.1 to 510.0V 20.0 Pr.09 Minimum Output Voltage 575V: 0.
Chapter 4 Parameter s | 4-4 Revision May 2008, ME14, S W V3.04 Parameter Explanation Settings Factory Setting Customer Pr.30 DC Braking during Stopping 0.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-5 Parameter Expl anation Settings Factory Setting Customer 13: Base-block (B.B.) (N.C) 14: Increase Master Frequency 15: Decrease Master Frequen cy 16: Run PLC Program 17: Pause PLC 18: Counter Trigger Signal 19: Counter Reset 20: No function 21: RESET command (N.
Chapter 4 Parameter s | 4-6 Revision May 2008, ME14, S W V3.04 Parameter Explanation Settings Factory Setting Customer 09: PLC Program Running 10: PLC Program Step Completed 11: PLC Program Completed .
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-7 Parameter Expl anation Settings Factory Setting Customer Pr.59 Electronic Thermal Motor Overload 30 to 300 sec 60 Pr.60 Over-Torque Detection Mode 00: Over-Torque Detection Disable 01: Enabled during constant speed o peration until the allowable time for dete ction (Pr.
Chapter 4 Parameter s | 4-8 Revision May 2008, ME14, S W V3.04 Parameter Explanation Settings Factory Setting Customer 115V/230V/460V series: 01 to 15 (The factory setting of VFD075M43A is 10) 15 Pr.71 PWM Carrier Frequency 575V series: 01 to 10 6 Pr.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-9 Parameter Expl anation Settings Factory Setting Customer Pr.78 PLC Operation Mode 00: Disable PLC op eration 01: Execute one program cycl.
Chapter 4 Parameter s | 4-10 Revisi on May 2008, ME14, SW V3.04 Parameter Explanation Settings Factory Setting Customer Pr.93 Accel 1 to Accel 2 Frequency Transition 0.01 to 400.0 0.00: Disable 0.00 Pr.94 Decel 1 to Decel 2 Frequency Transition 0.01 to 400.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-11 Parameter Expl anation Settings Factory Setting Customer Pr.110 Voltage of Zero Speed Control 0.0 to 20.0 % of Max. output v oltage (Pr.05) 5.0 Pr.111 Decel S-curve 00 to 07 00 Pr.112 External Terminal Scanning Time 01 to 20 01 Pr.
Chapter 4 Parameter s | 4-12 Revisi on May 2008, ME14, SW V3.04 Parameter Explanation Settings Factory Setting Customer Pr.125 Source of PID Set Point 0.00 to 400.0Hz 0.00 Pr.126 PID Offset Level 1.0 to 50.0 % 10.0 Pr.127 Dete ction Time of PID Offset 0.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-13 Parameter Expl anation Settings Factory Setting Customer Pr.145 Total operation time (Minutes) Read Only Pr.146 Line start Lockout 00: Disable 01: Enable 00 Pr.147 Decimal Number of Accel / Decel Time 00: One decimal 01: Two decimals 00 Pr.
Chapter 4 Parameter s | 4-14 Revisi on May 2008, ME14, SW V3.04 4.2 Parameter Settings for Applications Speed Search Applications Purpose Functions Related Parameters Windmill, winding machine, fan an.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-15 Switching acceleration a nd deceleration time Applications Purpose Functi ons Related Parameters Auto turntable for conveying machinery .
Chapter 4 Parameter s | 4-16 Revisi on May 2008, ME14, SW V3.04 Frequency Hold Applications Purpose Functions Related Parameters General application Acceleration/ deceleration pause Hold output frequency during Acceleration/deceleration Pr.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-17 Skip Frequency Setting Applications Purpose Functions Related Parameters Pumps and fans To prevent machine vibrations The AC motor driv e cannot run at constant speed in the skip frequen cy range.
Chapter 4 Parameter s | 4-18 Revisi on May 2008, ME14, SW V3.04 Output signal for Over-torque Applications Purpose Functions Related Parameters Pumps, fans and extruders To protect machi nes and to have continuous/ reliable operation When over-torque i s detected, a signal is given to pr event machines from damage.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-19 Multi-function Analog Output Applications Purpose Functions Related Parameters General application Display running stat us The value of frequency , output current/voltage can be read by connecting a frequency meter or voltage/current meter.
Chapter 4 Parameter s | 4-20 Revisi on May 2008, ME14, SW V3.04 4.3 Description of Parameter Settings This parameter can be set during operation. Pr.00 Source of Frequency Command Factory Setting: 00 Settings 00 Master Frequency determi ned by digital key pad.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-21 Hz Freq. Moto r Speed Stops according to decel erati on time Ti me Hz Freq. Moto r Speed Free running to stop Ti me Operati o n command ON ON OFF OFF Ramp Coas t Note: The motor stop method i s usually determ i ned by the application or system requirements.
Chapter 4 Parameter s | 4-22 Revisi on May 2008, ME14, SW V3.04 Pr.06 Mid-Point Frequency Unit: 0.1Hz Settings 0.10 to 400.0Hz Factory Setting: 1.5 0 The parameter sets the Mid-Po int Frequency of V/F curve. With this setting, the V/F ratio between Minimum Frequency and Mid -Point frequency can be determined.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-23 Vo lt a g e Pr.05 Pr .07 Pr.09 Pr.08 Pr.06 Pr.04 Pr .03 Freq uenc y Custom V/F Curve Vo l ta g e Pr.05 Pr .07 Pr .09 Pr .08 Pr .06 Pr .04 Pr.03 Fr equenc y Fan/Pump V/F Curve Commonly used V/F Setting (1) General Purpose Factory Settings Motor Spec.
Chapter 4 Parameter s | 4-24 Revisi on May 2008, ME14, SW V3.04 (2) Fans and P umps Moto r Spec . 60 Hz V 220 10 1.5 60 .0f Factory Settings Set va lue No. Pr .03 60 .0 Pr .04 60 .0 Pr .05 22 0 .0 Pr .06 30 Pr .07 50 .0 Pr .08 1.5 Pr .09 10 .0 30 50 Mot or Sp ec.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-25 Actu al A ccelerat ion/De celerat ion T ime= Acce leration /Dec elera tion Ti me x(Mast er Freq.-Min .Outpu t Freq .) Max. Outpu t Freq. Frequ ency Max. Output Freq. Pr .10 or Pr . 12 Pr.
Chapter 4 Parameter s | 4-26 Revisi on May 2008, ME14, SW V3.04 When the JOG function is ac tivated, the AC d rive will acce lerate from Minimum Output Frequency (Pr.08) to Jog Frequency (Pr.16) . Drive mu st be in “stop” status for the o perator to activate the JOG functi on.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-27 Pr.24 Reverse Operation Inhibition Factory Setting: 00 Settings 00 Enable REV operation 01 Disable REV operation This parameter i s used to disable moto r rotation in rev erse.
Chapter 4 Parameter s | 4-28 Revisi on May 2008, ME14, SW V3.04 Under certain condi tions, the AC driv e output current may increase abrup tly, and exceed the value specified by Pr.26. This is commonly caused by rapid a cceleration or excessive load on the motor.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-29 Pr.29 DC Braking Time during Start-up Unit: 0.1sec Settings 0.0 to 5.0 sec Factory Setting: 0.0 This parameter determines the dur ation for the DC Braking Current applied d uring starting.
Chapter 4 Parameter s | 4-30 Revisi on May 2008, ME14, SW V3.04 Pr.32 Momentary Power Loss Operation Selecti on Factory Setting: 00 Settings 00 Operation stops after momentary power lo ss 01 Operation.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-31 Input Powe r Allo wa ble Max. Power Loss Time Output Power Output Vo l t ag e Pr .33 Sp eed searc h start s with th e Mas ter Freque ncy Pr .32=1 Bas ebl ock Tim e Pr .34 speed synchronizat ion detecti on spee d se arch Allowab le Max.
Chapter 4 Parameter s | 4-32 Revisi on May 2008, ME14, SW V3.04 Pr.38 Multi-function Input Terminal (M0, M1) Factory Setting: 00 Settings 00 M0: FWD/STOP, M1: REV/STOP 01 M0: RUN/STOP, M1: REV/ FWD 02 M0, M1, M2: 3-wire opera tion control mode Explanations: 00: Two wire operation: Only Pr.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-33 Pr.39 Multi-function Input Terminal (M2) Factory Setting: 05 Pr.40 Multi-function Input Terminal (M3) Factory Setting: 06 Pr.
Chapter 4 Parameter s | 4-34 Revisi on May 2008, ME14, SW V3.04 Settings Function Description 05 External Reset Parameter value 5 programs Multi-Fun ction Input Terminals: M1 (Pr.38), M2 (Pr.39), M3 (P r.40), M4 (Pr.41) or M5 (Pr.42) to be an Ex ternal Reset.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-35 Settings Function Description 09 Jog Operation Parameter value 09 program s Multi-Function Input Terminal: M1 (Pr.
Chapter 4 Parameter s | 4-36 Revisi on May 2008, ME14, SW V3.04 Settings Function Description 11 First or Second Accel/Decel T ime Selection Parameter value 11 program s a Multi-Function Input Terminal: M1 (Pr.38), M2 (Pr .39), M3 (Pr.40), M4 (P r.41) or M5 (Pr.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-37 Settings Function Description 14 Increase Master Frequency 15 Decrease Master Frequency Parameter values 14, 1 5 program the Multi-Function Input Terminals: M1 (Pr.38), M2 (Pr.39 ), M3 (Pr.
Chapter 4 Parameter s | 4-38 Revisi on May 2008, ME14, SW V3.04 Settings Function Description 18 Counter Trigger Signal Parameter value 18 program s Multi-Function Input Terminal: M1 (Pr.38), M2 (Pr.39), M3 (P r.40), M4 (Pr.41) or M5 (Pr.42) to increase the AC drive ’ s inte rnal counter.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-39 Settings Function Description 21 RESET Command (N.C) 22 Control source: External Terminal 23 Control source: Keypad 24 Control source: Communication Enter values 22, 23 , or 24 to se t the control source to b e the external terminals, key pad or communication r espectively .
Chapter 4 Parameter s | 4-40 Revisi on May 2008, ME14, SW V3.04 Pr.43 Analog Output Signal Factory Setting: 00 Settings 00 Analog Frequency Meter (0 to Maximum Output Frequen cy) 01 Analog Current.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-41 Pr .45 Multi-function Output Terminal 1 (Photocoupler outpu t) Factory Setting: 00 Pr.46 Multi-function Output Te rminal 2 (Relay output.
Chapter 4 Parameter s | 4-42 Revisi on May 2008, ME14, SW V3.04 Settings Function Description 14 Preliminary Counter Value Attained Terminal output is activ ated when counter reaches the Preliminary Count Value.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-43 Pr.47 Desired Frequency Attained Unit: 0.1Hz Settings 0.00 to 400.0 Hz Factory Setting: 0.0 0 This parameter allow s monitoring a certain frequency and then activates one of the Multi - function output ter minals (Pr.
Chapter 4 Parameter s | 4-44 Revisi on May 2008, ME14, SW V3.04 Pr.48 to Pr.51 are used when the source of frequency command i s the analog signal (0 to +10V DC or 4 to 20mA DC). Re fer to the follow ing examples. Example 1: Set Pr.00=1 to com mand frequency with the poten tio meter on key pad or Pr.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-45 Example 3: The whole scale of the potentiometer may be used as desired. In addition to the signals 0 to 10 V and 4 to 20mA, other p opular voltage si gnals include 0 to 5V, 20 to 4mA or that under 10V.
Chapter 4 Parameter s | 4-46 Revisi on May 2008, ME14, SW V3.04 Example 5: In this example, a 6 Hz (10% of 60 Hz) negativ e bias is used. This setting is used to provide a noise margin (1V in this ex ample) in noisy en vironments. Note th at the top frequency is reduced to 54 Hz.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-47 Example 8: This example shows how to set up the “anti-slope”, w hich is an inv ersely proportional v ariation of frequency to the input analog si gnal, required for some a pplications in pr ocess control.
Chapter 4 Parameter s | 4-48 Revisi on May 2008, ME14, SW V3.04 This parameter can be used to compe nsate motor slip. Al though no linear, it typically adds 6H z for a setting of 10 if Pr .03=60 Hz. When th e outp ut current of the AC dr iv e is greater than the motor no-load current ( Pr.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-49 Pr.60 Over-Torque Detection Mode Factory Setting: 00 Settings 00 Over-Torque detection disabled. 01 Enabled during constant speed opera tion until the allow able time for detection (Pr.62 ) elapses.
Chapter 4 Parameter s | 4-50 Revisi on May 2008, ME14, SW V3.04 05 Displays the value of the internal coun ter (c) 06 Displays the setting Frequency (F) 07 Displays the parameter se tting (P) 08 Reserved 09 Output Current (A) 10 Display program operation (0.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-51 Pr.67 Skip Frequency 1 Unit: 0.1 Hz Pr.68 Skip Frequency 2 Unit: 0.1 Hz Pr.69 Skip Frequency 3 Unit: 0.1 Hz Settings 0.00 to 400.0 Hz Factory Setting: 0.0 0 These three parameters de termine the thr ee Skip Frequencie s that in conjun ction with P r.
Chapter 4 Parameter s | 4-52 Revisi on May 2008, ME14, SW V3.04 Carrier Frequency Acoustic Noise Electromagnetic Noise, Leakage Current Heat Dissipation 1KHz 15KHz Significant Minimal Minimal Signific.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-53 13 Ground fault or fuse failure (GFF) 14 Low voltage (not record) 15 3 Phase Input Power Loss 16 CPU Failure (CF2) 17 External Base-Block (bb) 18 Overload 2 (oL2) 19 Auto Adjustable accel/decel failure (cF A) 20 Softwar e protect ion code (co dE) Pr.
Chapter 4 Parameter s | 4-54 Revisi on May 2008, ME14, SW V3.04 Example 1 (Pr.78 =01): Execute one cycle of the PLC program. It s relative parameter settings are: 1 Pr.17 to Pr.23: 1st to 7th step speed (sets the frequen cy for each step speed) 2 Pr.38 to Pr.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-55 Example 2 (Pr.78 = 02) Continuously executes program cycles: The diagram below show s the PLC pro gram stepping through ea ch speed an d then automatically starting again. To stop the PLC pr ogram, either pau se or stop the pro gram.
Chapter 4 Parameter s | 4-56 Revisi on May 2008, ME14, SW V3.04 Example 4 (Pr.78 = 04) Continuously executes program cycles step by step: In this explanation, the PLC program runs continuo usly step by step. Also shown are ex amples of steps in the re serve direction.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-57 Application Note: PLC program execution w ill be interrupted when va lues for JOG parameters 15 and 16 ar e changed. Pr.79 PLC Forward/Reverse Motion Settings 00 to 127 Factory Se tting: 00 This parameter determines the dir ection of motion for the multi-speed Pr.
Chapter 4 Parameter s | 4-58 Revisi on May 2008, ME14, SW V3.04 Pr.80 Identity Code of the AC Motor Driv e Settings Read Only Factory Setting: ## This parameter display s the identity code o f the AC moto r drive. The capaci ty, rated current, rated voltage and the max.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-59 This parameter sets the Ac drive address iden tification when u sing the RS-485 serial port for communication.
Chapter 4 Parameter s | 4-60 Revisi on May 2008, ME14, SW V3.04 Each drive has a built-in RS-485 serial inte rfac e, marked (RJ-11 Ja ck) on the control terminal block, whose pins are de fined as shown: 6 1 1: + 15V 2: GND 3: SG- 4: SG+ 5: NC 6: f or communica tion Either ASCII or RTU Modbus protocol s are us ed for communication.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-61 2.2 11-bit character fr am e (For 8-bit character): Start bi t 01 2 34 5 6 Stop bi t Stop bi t 8-d ata bits 1 1-bit s charac ter fram e ( 8.N.2: Pr .92=3 ) Start bi t 01 2 34 5 6 Even p ari ty Stop bi t 8-d ata bits 1 1-bit s charac ter fram e ( 8.
Chapter 4 Parameter s | 4-62 Revisi on May 2008, ME14, SW V3.04 RTU mode: START A silent interval of more than 10 ms ADR Communication address: 8-bit address CMD Command code: 8-bit command DATA (n-1) …….
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-63 Command code: 03H, read N w ords. The maximu m v alue of N is 12. For ex ample, reading continuous 2 words from starting addre ss 2102H of AMD with address 01H.
Chapter 4 Parameter s | 4-64 Revisi on May 2008, ME14, SW V3.04 Command code: 06H, write 1 word For example, writing 6000(1 770H) to address 0100H of AMD w ith address 01H.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-65 Command code: 10H, write mul tiple data to regi sters For example, set the multi-step speed, Pr.
Chapter 4 Parameter s | 4-66 Revisi on May 2008, ME14, SW V3.04 RTU Mode: Command message: Re spon se message: ADR 01H ADR 01H CMD 10H CMD 10H Starting data 00H Starting data 00H address 11H address 1.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-67 RTU mode: ADR 01H CMD 03H 21H Starting address 02H 00H Number of data (count by w ord) 02H CRC CHK Low 6FH CRC CHK High F7H CRC (Cyclical Redundancy Check) is calculated by the following steps: Step 1: Load a 16-bi t register (called CRC register) with FFFFH.
Chapter 4 Parameter s | 4-68 Revisi on May 2008, ME14, SW V3.04 while(length--){ reg_crc ^ = *data++; for(j=0;j< 8;j++){ if(reg_ crc & 0x01){ /* L SB(b0)=1 */ reg_ crc=(reg_crc>>1) ^ 0xA001; }else{ reg_ crc=reg_crc >>1; } } } return reg_crc; } 3.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-69 Content Address Functions 2100H Error code: 00: No errors occu rred 01: Over-current (oc) 03: Overheat (oH) 04: Drive overload (oL) 05: .
Chapter 4 Parameter s | 4-70 Revisi on May 2008, ME14, SW V3.04 Content Address Functions 2106H Output Voltage E (XXX.X) 2107H Step number of Multi-Step Speed Oper ation (step) 2108H Time of PLC Operation (sec) 2109H Value of External Trigger ( count) 210AH The Correspondent Value of Power Factor (XXX.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-71 void main(){ int i; outportb(POR T+MCR,0x08); /* inte rrupt enable */ outportb(POR T+IER,0x01); /* interrupt as dat a in */ outportb(POR T+LCR,(inportb(PORT +LCR) | 0x80)); /* the BRDL/BR DH can be access as LCR.
Chapter 4 Parameter s | 4-72 Revisi on May 2008, ME14, SW V3.04 Pr .93 Accel 1 to Accel 2 Frequency Transition Unit: 0.10 Hz Pr.94 Decel 1 to Decel 2 Frequency Transiti on Unit: 0.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-73 Pr.97 Pres et Count Down Completion Settings 00 to 9999 Factory Setting: 00 This parameter sets a preliminary count v alue fo r the internal coun ter. Counter is incremen ted by a low-to-high tra nsition on one of the programmed Multi-Function Input Terminals: M1 or M2 (see Pr.
Chapter 4 Parameter s | 4-74 Revisi on May 2008, ME14, SW V3.04 02 03 04 Linear acceleration and automatic dece leration (Operation by automatic deceleration time, Pr.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-75 Pr.105 Control Mode Factory Setting: 00 Settings 00 V/F Control 01 Sensor-less Control Pr.106 Rated Slip Unit: 0.01Hz Settings 0.00 to 10.00 Hz Factory Setting: 3.0 Example of Slip cal culation: The rated speed of 4 pole s/3 φ / 60Hz/ 22 0V on the nameplate is 1710RPM.
Chapter 4 Parameter s | 4-76 Revisi on May 2008, ME14, SW V3.04 Note: From the diagram show n below, the original setting accel/de cel time will be for reference when the functio n of the S-curv e is enabled. T he actual accel/decel time will b e determined based on the S- curve selected (1 to 7).
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-77 P Pr .11 7 I Pr .1 18 D Pr .1 19 Pr .120 AV I( ) ACI( ) Pr.128~Pr .130 Pr .131~Pr .133 Pr.1 16 + - + + Pr .135 LPF Ta r g e t e d value Upper Bound of In tegral Value Pr .122 + Limit of P ID Ou tput Frequenc y One T ime Delay Pr .
Chapter 4 Parameter s | 4-78 Revisi on May 2008, ME14, SW V3.04 Pr. 119 Differential Time (D) Unit: 0.01sec Settings 0.00 to 1.00 sec Factory Setting: 0.0 0 This parameter determines the dampi ng effect for the PID feedb ack loop. If the diffe rential time is long, any oscillation will quickly subside.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-79 Pr. 122 PID Frequency Output Command limit Settings 00 to 110 % Factory Setting: 100 This parameter sets a limi t of the PID Command frequency. If this parameter is set to 20%, then the maximum outpu t frequency fo r the PID operation will be (20% x Pr.
Chapter 4 Parameter s | 4-80 Revisi on May 2008, ME14, SW V3.04 Pr. 129 Maximum Reference Value Settings 0.0 to 10.0 V Factory Setting: 10.0 This parameter is u sed to set the AVI i nput voltage that corresponds to maximum frequ ency.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-81 These two parameters are used to set the analog input del ay filter in se t point or feedback signal. Pr. 136 Sleep Period Unit: 0.1sec Settings 0.0 to 6550.0 sec Factory Setting: 0.0 Pr.
Chapter 4 Parameter s | 4-82 Revisi on May 2008, ME14, SW V3.04 Pr. 141 Save Frequency Set Point Factory Setting: 01 Settings 00 Not Save 01 Save This parameter is u sed to save the frequency se tting before pow ering off.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-83 When Line Start Locko ut is disabled (also known as Auto-S tart), the drive w ill start when powered-up with run command s applied. To start in Line Start Lockout mode, the AC drive must see the run command go from stop to run a fter power up.
Chapter 4 Parameter s | 4-84 Revisi on May 2008, ME14, SW V3.04 Pr. 152 Skip Frequency Width Settings 0.00 to 400.00Hz Factory Setting: 0.00 Pr. 153 Bias Frequency Width Settings 0.00 to 400.00Hz Factory Setting: 0.0 0 Frequency of Δ top point Fup= master frequency F + Pr.
Chapter 4 Parameter s | Revision May 2008, ME14, S W V3.04 4-85 This parameter is to select the communi cation mo de, 0 is the ex isted Delta ASCII communication mode, whereas 1 is to select MODBUS m ode.
Chapter 4 Parameter s | 4-86 Revisi on May 2008, ME14, SW V3.04 This page intention ally left blank.
Revision May 2008, ME14, S W V3.04 5-1 Chapter 5 Troubleshooting 5.1 Over Current (OC) ocA oc d OC Over-current dur ing accel erat ion Over-current durin g deceler atio n Over current Chec k i f the r.
Chapter 5 Troubleshooting | 5-2 Revision May 2008, ME14, S W V3.04 5.2 Ground Fault GFF Grou nd faul t No Ye s Is output circui t(cabl e or motor) of AC motor drive gr ounded ? Rem ove grou nd fault Maybe AC motor drive has mal funct ion or misop erat ion due to no ise.
Chapter 5 Troubleshooting | Revision May 2008, ME14, S W V3.04 5-3 5.4 Low V olta ge (Lv) Low vol tag e Is input power corr e ct ? Or power cut, incl udin g mome n ta ry power loss Ye s Ye s Ye s Ye s.
Chapter 5 Troubleshooting | 5-4 Revision May 2008, ME14, S W V3.04 5.5 Over Heat (OH1) AC moto r d rive over heats Heat sink overhe ats Chec k i f temp eratur e of heat sink is great er th an 90 O C No No No No Ye s Ye s Ye s Ye s Ye s Reduc e lo ad No T empe rature detect ion malfu nction s.
Chapter 5 Troubleshooting | Revision May 2008, ME14, S W V3.04 5-5 5.7 Keypad Display is A bnormal Abn ormal displ ay or no d isp lay Cy cle po wer to AC mot or driv e No Ye s Ye s Ye s No Dis pla y n.
Chapter 5 Troubleshooting | 5-6 Revision May 2008, ME14, S W V3.04 5.9 Motor cannot Run Mot or c a nnot ru n Ch eck keypad for nor mal dis play No No No No No No No No No No No No No No Che ck if non-.
Chapter 5 Troubleshooting | Revision May 2008, ME14, S W V3.04 5-7 5.10 Motor S peed cannot be Change d M ot o r c a n r u n b u t cann ot chan ge spee d Ye s Ye s Ye s Ye s Ye s Ye s Ye s Ye s No No No No No No No No No Check if th e setting of the max.
Chapter 5 Troubleshooting | 5-8 Revision May 2008, ME14, S W V3.04 5.1 1 Motor St alls during A cceleration Mot or stalls during accelerati o n Chec k if acc elera tio n time is too shor t Ye s Ye s Y.
Chapter 5 Troubleshooting | Revision May 2008, ME14, S W V3.04 5-9 5.13 Electromagnetic/Induction Noise Many sources of no ise surround AC m otor drives and penetra te it by radiatio n or conduction. It may cause malfunctioning o f the control circuits and even damage the AC motor drive.
Chapter 5 Troubleshooting | 5-10 Revisi on May 2008, ME14, SW V3.04 4. Store within a rela tive humidity range of 0% to 90% and non-condensin g environment. Use an air condi tioner and/or ex siccator. 5.15 A f fecting Other Machines An AC motor drive may affect the oper ation of other machines due to many reasons.
Revision May 2008, ME14, S W V3.04 6-1 Chapter 6 Fault Code Information and Maintenance 6.1 Fault Code Information The AC motor drive has a comprehensive fault di agnostic system that includes sev eral different alarms and fault messages. Once a fault is detect ed , the corre sponding protective function s will be activated.
Chapter 6 Fault Code In formation and Maintenance | 6-2 Revision May 2008, ME14, S W V3.04 Fault Name Faul t Desc riptions Corrective Actions The AC drive te mperature sensor detects excessive heat. 1. Ens ure that the ambient te mperature falls wit hin the specified temperature range.
Chapter 6 Fault Code In formation and Maintenance | Revision May 2008, ME14, S W V3.04 6-3 Fault Name Faul t Desc riptions Corrective Actions Over-cur rent during steady s tate operation: 1. Short-circuit at motor output. 2. S udden increase in mot or loading.
Chapter 6 Fault Code In formation and Maintenance | 6-4 Revision May 2008, ME14, S W V3.04 Fault Name Faul t Desc riptions Corrective Actions OC hardwa re error CC (current clamp ) OV hardw are erro r GFF har dware error OV or L V Current sensor error Return to the facto ry.
Chapter 6 Fault Code In formation and Maintenance | Revision May 2008, ME14, S W V3.04 6-5 6.1.2 Reset There are three methods to reset the AC motor driv e after solv ing the fault: 1. Press RESET STO P key on keypad. 2. Set external termin al to “RESET” (set one o f Pr.
Chapter 6 Fault Code In formation and Maintenance | 6-6 Revision May 2008, ME14, S W V3.04 DANGER! 1. Disconnect AC power before processin g! 2. Only qualified personnel can install, w ire and maintain AC motor drives. Please ta ke off any metal objects, such as w atches and rings, be fore operation.
Chapter 6 Fault Code In formation and Maintenance | Revision May 2008, ME14, S W V3.04 6-7 Keypad Maintenance Period Check Items Methods and Criterion Daily Half Year One Year Is the display clear for.
Chapter 6 Fault Code In formation and Maintenance | 6-8 Revision May 2008, ME14, S W V3.04 Terminals and wiring of main circuit Maintenance Period Check Items Methods and Criterion Daily Half Year One.
Chapter 6 Fault Code In formation and Maintenance | Revision May 2008, ME14, S W V3.04 6-9 Transformer and reactor of ma in circuit Maintenance Period Check Items Methods and Criterion Daily Half Year.
Chapter 6 Fault Code In formation and Maintenance | 6-10 Revisi on May 2008, ME14, SW V3.04 Cooling fan of cooling s y stem Maintenance Period Check Items Methods and Criterion Daily Half Year One Yea.
Revision June 200 7, 0ELE, V1.00 Appendix A Specifications There are 115V, 230V, 460V and 575V models in the VFD-M series. For 115 V models, it is 1-phase models. For 0.5 to 3HP of the 2 30V models, there are 1-phase/3-phase models. Refer to follow ing speci fications for det ails.
Appendix A Specifications | A-2 Revision May 2008, ME14, S W V3.04 Voltage Class 460V Class Model Number VFD-XXXM 007 015 022 037 055 075 Max. Applicable Motor Output (kW) 0.75 1.5 2. 2 3.7 5.5 7.5 Max. Applicable Motor Output (hp) 1.0 2.0 3.0 5.0 7.5 10 Rated Output C apacity (kVA) 2.
Appendix A Specifications | Revision May 2008, ME14, S W V3.04 A-3 General Specif ications Keypad Setting by Frequency Setting External Signal Potentiometer-5K Ω /0.
Appendix A Specifications | A-4 Revision May 2008, ME14, S W V3.04 This page intention ally left blank.
Revision May 2008, ME14, S W V3.04 B-1 Appendix B Accessories B.1 A ll Brak e Resistors & Brake Units Used in AC Motor Dri v e s Note: Please only use DELTA resistors and reco mmended values. Other resistors and v alues will void Delta’s warranty .
Appendix B Accessories | B-2 Revision May 2008, ME14, S W V3.04 NOTE 1. Please select th e brake unit and /or brake re si stor according to the table. “-“ means no Delta pr oduct. Pleas e use the brak e unit acco rding to the Equivalent Resistor Value.
A ppendix B Accessorie s | Revision May 2008, ME14, S W V3.04 B-3 R/L1 S/L2 T/L 3 NFB MC VF D Serie s MOTOR O.L. U/T1 V/T2 W/T3 SA R/L1 S/L2 T/L3 MC IM Thermal Overl oad Relay or temper ature switch Surge Absorbe r B1 B2 BR O.L. Thermal Overload Relay Brake Resistor Te m p e r a t u r e Swi tch B.
Appendix B Accessories | B-4 Revision May 2008, ME14, S W V3.04.
A ppendix B Accessorie s | Revision May 2008, ME14, S W V3.04 B-5 B.2 Non-fuse Circuit Breake r Chart The fuse should comply with UL248 a nd t he breaker sho uld comply with UL489.
Appendix B Accessories | B-6 Revision May 2008, ME14, S W V3.04 B.3 Fuse Specification Chart Smaller fuses than those shown in the table are permitted. Line Fuse Model Input Current (A) Output Current (A) I (A) Bussmann P/N VFD002M11A 6 1.6 15 JJN-15 VFD004M11A 9 2.
A ppendix B Accessorie s | Revision May 2008, ME14, S W V3.04 B-7 B.4 AC Reacto r B.4.1 AC Input Reactor Recommended Value 230V, 50/60Hz, single-phase Inductance (mh) kW HP Fundamental Amps Max. continuous Amps 3~5% Impedance 0.2 0.25 4 6 6.5 0.4 0.5 5 7.
Appendix B Accessories | B-8 Revision May 2008, ME14, S W V3.04 460V, 50/60Hz, 3-phase Inductance (mh) kW HP Fundamental Amps Max. continuous Amps 3% Impedance 5% Impedance 0.75 1 4 6 9 12 1.5 2 4 6 6.5 9 2.2 3 8 12 5 7.5 3.7 5 12 18 2.5 4.2 5.5 7.5 18 27 1.
A ppendix B Accessorie s | Revision May 2008, ME14, S W V3.04 B-9 Application 2 Question Silicon rectifier and AC motor drive are connected to the same power. Switching spike s will be generated w hen the sili con rectifier switche s on/off. These spike s may damage the mains circuit.
Appendix B Accessories | B-10 Revision May 2008, ME14, S W V3.04 B.5 Zero Phase Reactor (RF220X 00A ) Dimensions are in millimeter . Recommended Wire Size Cable type ( Note ) AWG mm 2 Nominal (mm 2 ) Qty. Wiring Method ≦ 10 ≦ 5.3 ≦ 5.5 1 Diagram A Single- core ≦ 2 ≦ 33.
A ppendix B Accessorie s | Revision May 2008, ME14, S W V3.04 B-11 B.6 Remote Controller RC-01 Dimensions are in millimeter . 8 6 5 4 16 15 14 13 11 RC-01 terminal block (wiring connections) AFM GND AVI +10V GND M2 M0 M1 M3 VFD-M I/O bloc k VFD-M Programming Pr.
Appendix B Accessories | B-12 Revision May 2008, ME14, S W V3.04 B.7 PU06 B.7.1 Description of the Digital Keypad VFD-PU06 U F H VFD-PU06 JOG RUN RESET STOP LED Display Indicates frequency, voltage, current, user defined uni ts, read, and sa ve , e tc.
A ppendix B Accessorie s | Revision May 2008, ME14, S W V3.04 B-13 Display Messa ge Descriptions The specified param eter setting. The actual value stored in the specified parameter. External Fault “End” displays for a pproximately 1 second i f the entered input data have been accepted.
Appendix B Accessories | B-14 Revision May 2008, ME14, S W V3.04 B.8 AMD - EMI Filter Cross Reference Model of AC Drive EMI Filter VFD002M11A, VFD004M 11A, VFD007M11A, VFD004M21B, VFD007M 21B, VFD015M.
A ppendix B Accessorie s | Revision May 2008, ME14, S W V3.04 B-15 Choose suitable moto r cab le and precautions Improper installatio n and choice o f motor cable w ill affect the performance of EMI filter. Be sure to observe the follow ing precautions w hen selecting moto r cable.
Appendix B Accessories | B-16 Revision May 2008, ME14, S W V3.04 The length of motor cable When motor is driv en by an AC motor drive of P W M type, the motor terminals w ill experience sur ge voltages easily due to componen ts conversion of AC mo tor drive and cabl e capacitance.
A ppendix B Accessorie s | Revision May 2008, ME14, S W V3.04 B-17 B.8.1 Dimensions EMI Filter (RF015M 21AA / RF022M43 AA) 70 (2 .76) 226 (8.9 ) 10 0 (3 .94) 21 2 (8.35 ) 212 (8 .35) 28 (1.1 ) 50 (1.97 ) 26 (1.02 ) 15 (0.59 ) 4. 5 (0.18 ) EMI Filter (RF022M 21BA / RF075M43 BA) 30 (1.
Appendix B Accessories | B-18 Revision May 2008, ME14, S W V3.04 EMI Filter (16TDT1W4S) Used on 0 .5-3 HP/230V Three Phase Models. EMI Filter (40TDS4W4B) Used on 5-7.
A ppendix B Accessorie s | Revision May 2008, ME14, S W V3.04 B-19 B.9 Din Rail B.9.1 Din Rail-DR01 Adapter Units: mm (inch) Models VFD004M21A/23A, VFD007M21A /23A, VFD015M21A/23A To mount the drive on a Din Rail adapter, place the drive and mounting pla te on the rail and push the lever tow ard the rail.
Appendix B Accessories | B-20 Revision May 2008, ME14, S W V3.04 B.9.2 Din Rail-DR02 Adapter Units: mm (inch) Models VFD002M11A, VFD004M11A/21B , VFD007M11A/21B/4 3B/53A, VFD015M21B/43B/53A , VFD022M23B/43B/53A To mount the drive on a Din Rail adapter, place the drive and mounting pla te on the rail and push the lever tow ard the rail.
Revision May 2008, ME14, S W V3.04 C-1 Appendix C How to Select the Right AC Motor Drive The choice of the right AC motor driv e for the appl ication is very important an d has great influen ce on its lifetime. If the cap acity of AC mo tor drive is t oo large, i t cannot offer co mplete protection to the motor and motor m aybe damaged.
Appendix CHow to Select the Right AC Motor Drive | C-2 Revision May 2008, M E14, S W V3.04 C.1 Capacity Formulas 1. When one AC motor drive operates one motor The starting capaci ty should be less th an 1.5x rated capacity of AC mo tor drive The starting capacity = ) ( _ _ _ _ _ 5 .
Appendix CHow to Select the Right AC Motor Drive | Revision May 2008, ME14, S W V3.04 C-3 2.3 When it is running conti nuously The requirement of load capa city should be less than the capacity of.
Appendix CHow to Select the Right AC Motor Drive | C-4 Revision May 2008, M E14, S W V3.04 C.2 General Precaution Selection Note 1 、 When the AC Motor Drive is conn ected dire ctly to a large-capaci.
Appendix CHow to Select the Right AC Motor Drive | Revision May 2008, ME14, S W V3.04 C-5 decelerate within a certain time w ith high load inertia that can’t be handled by the AC Motor Drive in the .
Appendix CHow to Select the Right AC Motor Drive | C-6 Revision May 2008, M E14, S W V3.04 7 、 Motor torque characteristics v ary when an AC Motor Drive instead of commercial pow er supply drives th e motor. Check the load torque characteristics o f the machin e to be connected.
Appendix CHow to Select the Right AC Motor Drive | Revision May 2008, ME14, S W V3.04 C-7 the AC motor drive operate s more than one motor , please pay attention to starting and changing the motor. Power Transmission Mechanism Pay attention to reduced lubrication w hen oper ating gear r eduction motors, g earboxes, belts and chains, etc.
Appendix CHow to Select the Right AC Motor Drive | C-8 Revision May 2008, M E14, S W V3.04 This page intention ally left blank..
An important point after buying a device Delta Electronics VFD-M (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Delta Electronics VFD-M yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Delta Electronics VFD-M - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Delta Electronics VFD-M you will learn all the available features of the product, as well as information on its operation. The information that you get Delta Electronics VFD-M will certainly help you make a decision on the purchase.
If you already are a holder of Delta Electronics VFD-M, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Delta Electronics VFD-M.
However, one of the most important roles played by the user manual is to help in solving problems with Delta Electronics VFD-M. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Delta Electronics VFD-M along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
