Page 2
Preface Thank you for choosing Chint NVF5 series Inverter. NVF5 series Inverter adopts the speed sensorless vector control technology, It has the features of fast load response, low frequency high torque and strong overload capability,Realized the precise control of industrial equipments.NVF5 series inverter has performance of stable voltage output、torque limited、speed track、simple PLC、process...
In the event of personal injury and equipment damage caused by noncompliance with the safety guidelines by you or your clients, Chint can not assume any responsibility. 1.1 Safety Definition...
Page 6
NVF5 Series User Manual Chapter 1 Safety Information It is not permitted to install the inverter in an environemnt containing explosive gases in case of the danger of explosion! It is not permitted to insall the inverter at a place directly exposed in sunlight in case of the danger of equipment damage! ...
NVF5 Series User Manual Chapter 1 Safety Information Danger The inverter must be covered with the cover plate before power on in case of the danger of electric shock and explosion! The inverters which have been stored for more than 2 years must been done precharge experiment.
Page 8
NVF5 Series User Manual Chapter 1 Safety Information speed range of motor bearings and mechanical devices must be ensured, please inquiry in advance if having questions. Lubrication of The gearbox, gears and other mechanical devices needing mechanical lubrication probably be damaged when running at a low speed for a devices long term , please inquiry in advance if having questions.
NVF5 Series User Manual derating be used with dreating. The following figure shows a relation curve of application the rated current of the inverter and altitude. Current 100% Altitude 1000m 2000m 3000m 1.4 Notice of Scrap Danger The electrolytic capacitor of the main circuit and the electrolytic capacitor on the printed board may explode in the burning process.
NVF5 Series User Manual Chapter 2 Product Overview Chapter 2 Product Overview 2.1 Catalog Numbers Description NVF5 Number of Inverter Input Product Applicable T: Universal Input Voltage Brake Unit Phases Model Motor Power Model Rating B: Standard (kW) D: Single 2:230V...
NVF5 Series User Manual Chapter 2 Product Overview Table 2.1 Inverter Model and Specification Output Power Input Adaptiv Brak Power Curren Catalog No. Capacity Current e Motor Supply Unit NVF5-0.4/TD2 NVF5-0.4/TD2-B NVF5-0.75/TD2 10.3 0.75 Optio Single-Phase NVF5-0.75/TD2-B nal(e AC 230V mbed NVF5-1.5/TD2...
Page 12
NVF5 Series User Manual Chapter 2 Product Overview Speed range SVC : 1:100 ; V/F:1 : 50 Speed control ±0.5% of peak speed in SVC mode accuracy Digital setting : 0.01Hz ; Frequency resolution Analog setting : Max. frequency×0.5 %...
NVF5 Series User Manual Chapter 2 Product Overview Figure 2-6-2 NVF5-3.7/TS4-B~NVF5-7.5/TS4-B Appearance Diagram And Installtion Dimension Table 2.3Dimensions and Weights(Unit:mm) Mounting Weight Catalog No. hole d NVF5-0.4/TD2 NVF5-0.4/TD2-B NVF5-0.75/TD2 Φ5.3 125.2 137.5 NVF5-0.75/TD2-B NVF5-1.5/TD2 NVF5-1.5/TD2-B NVF5-2.2/TD2 Φ5.3 146.7 137.5 1.25 NVF5-2.2/TD2-B...
Page 16
NVF5 Series User Manual Chapter 2 Product Overview An optional Top Protective Cover may be selected to realize IP 22 protection level.The Top Protective Cover consists of two parts:Protective Cover and Bracket.You can refer to the figure 2-6-3 to install( a Installing Bracket ;b InstallingProtective Cover) ,Apperance after being installed...
NVF5 Series User Manual Chapter 3 Installation and Wiring Chapter 3 Installation and Wiring 3.1 Peripherial Components Description 3.2 Peripherial Components Selection and Guideline - 13 -...
Page 18
NVF5 Series User Manual Chapter 3 Installation and Wiring Recommend Recommend Cable Input Current ed Circuit Specificatio Catalog No. Breaker Contactor mm² NVF5-0.4/TD2 NVF5-0.4/TD2-B NVF5-0.75/TD2 10.3 NVF5-0.75/TD2-B NVF5-1.5/TD2 15.5 NVF5-1.5/TD2-B NVF5-2.2/TD2 NVF5-2.2/TD2-B NVF5-0.4/TS4-B NVF5-0.75/TS4-B NVF5-1.5/TS4-B NVF5-2.2/TS4-B NVF5-3.7/TS4-B 12.1 NVF5-5.5/TS4-B 13.1 NVF5-7.5/TS4-B...
Page 19
NVF5 Series User Manual Chapter 3 Installation and Wiring Power Motor Resistance Power Supply Catalog No. Power Brake Unit Value Ω NVF5-0.4/TD2 NVF5-0.4/TD2-B NVF5-0.75/TD2 0.75 NVF5-0.75/TD2-B Optional 230V (embedded) NVF5-1.5/TD2 NVF5-1.5/TD2-B NVF5-2.2/TD2 NVF5-2.2/TD2-B NVF5-0.4/TS4-B NVF5-0.75/TS4-B 0.75 NVF5-1.5/TS4-B Standard NVF5-2.2/TS4-B 380V~440V (embedded) NVF5-3.7/TS4-B...
NVF5 Series User Manual Chapter 3 Installation and Wiring R is actual brake resistor resistance,P is brake resistor power. 3.2.3 Output AC Reactor Descriptions The cable between Inverter and Motor should not be too long.If the cable is too long,the distributed capacitance will be large, the harmonic current will be generated easily.
Step2:Check whether the internal accessories of the inverter are complete; Step3:Check wheter the installation environment、installation distance、installation position are correct; If there are any abnormal,please contact Chint technical support. 3.4 Description of the cover - 17 -...
NVF5 Series User Manual Chapter 3 Installation and Wiring Figure 3-4-1 NVF5-0.4/TD2 ~ NVF5-2.2/TS4-B Cover Diagram Figure 3-4-2 NVF5-3.7/TS4-B~NVF5-7.5/TS4-B Cover Diagram 3.5 Wiring of Power Terminal and I/O Terminal 3.5.1 Power Terminal Description NVF5-0.4/TD2~ NVF5-2.2/TS4-B Screwdriver can only be used PH0 most ,...
Page 23
NVF5 Series User Manual Chapter 3 Installation and Wiring (2) Three-Phase 380V series(NVF5-0.4/TS4-B~7.5/TS4-B) Figure 3-5-2 Power Terminals NVF5-0.4/TS4-B~7.5/TS4-B Table 3.2 Power Terminals Descriptions Terminal Name Function Description The three-phase AC input R、S、T Main Power Supply Input terminals ,connecting with the power grid The Single-Phase AC input L1、L2...
Page 24
NVF5 Series User Manual Chapter 3 Installation and Wiring Analog Input Voltage Single End Signal Range : Input AI1 ( -10 ~ +10 ) V DIP switch select current Analog or voltage of AI1, AI1 and Input Current Input Analog AI2 dafaults are voltage Signal :...
Page 25
NVF5 Series User Manual Chapter 3 Installation and Wiring +24V Power Internal Isolation + 24V Common Supply between COM and Common R1A-R1B : N.C. ; R1B-R1C : N.O. Programmable Relay Relay Relay Contact Capacity : Output Terminals,refer to Output Output parameter F6.02...
NVF5 Series User Manual Chapter 3 Installation and Wiring 3.5.4 Wiring Checking Step One:Whether the inverter rated power and rated input voltage match with the motor specifications; Step Two: The single-phase input power supply is connected with inverter input power terminals L1, L2;...
Page 27
NVF5 Series User Manual Chapter 3 Installation and Wiring (2) Source pole (Sink pole) mode, using internal +24V power supply of the inverter, PLC is NPN type and common emitter type mode. Figure 3-6-2 Using Inverter Internal +24V Power Supply Connecting Mode 3.6.2 Multifunctional DO Terminal Using Description...
NVF5 Series User Manual Chapter 3 Installation and Wiring Figure 3-6-4 HDO Connection Mode2 3.7 EMC Precautions The inverter can produce electromagnetic interference,this interference will affect automation devices instruments probably.Correct installation reduce electromagnetic nosie of devices and improve the interference resistance . To ensure that the inverter can run normally for a long time, please refer to the following installation description.
Page 29
NVF5 Series User Manual Chapter 3 Installation and Wiring grounding to realize 360-degree circular connection. It is prohibited to twist the shielding layer before connecting it to the inverter in case that the shielding effect is lowered greatly or even lost.
NVF5 Series User Manual Chapter 4 Integral Keypad Chapter 4 Integral Keypad 4.1 Integral Keypad Instructions Figure 4-1-1 LED Integral Keypad Table 4.1 Key Function Description of the Keypad Description Long press PRG/S key,if the LED flash state is changed,then you can loosen this function switch key.
NVF5 Series User Manual Chapter 4 Integral Keypad Enter key(Save a change/Enter next level parameter menu) When parameter F0.02 = 9,the potentiometer can be used on adjusting frequency.Also you can modify parameter F7.12 and F7.13 to adjust frequency range. 、...
Page 32
NVF5 Series User Manual Chapter 4 Integral Keypad Table 4.3 Correspondence between display symbols and characters / numbers Meaning Meaning Meaning Meaning Display Display Display Display The 3 unit indicators correspond to units such as Hz, A, V and so on,Shown as figure...
NVF5 Series User Manual Chapter 4 Integral Keypad 4.3 Parameter Menu Mode 4.3.1 Parameter Menu Mode Description For user quickly find and use parameter codes,NVF5 has three types of parameter menu mode. :Include some basic commissioning parameters(See Simple Parameter Menu Chapter 5-Simple Menu Description)...
Page 34
NVF5 Series User Manual Chapter 4 Integral Keypad Change param- Parameter menu Ready status: eter No. Pamameters mode information 5.00Hz flash using Press Press 5.00 F0.00 F7.11 later Press Press Press Parameter menu Press Press mode information Press Press 2S later 5.00...
Page 35
NVF5 Series User Manual Chapter 4 Integral Keypad Below example show the custom parameter adding process by adding parameters F0.00 and F1.02,see figure 4-3-4 The second The first Successfully Parameter menu Ready status: level menu: level menu: added info. mode information 5.00Hz flash...
NVF5 Series User Manual Chapter 4 Integral Keypad (3) Engineering Menu Mode Parameter Setting Engineering Menu includes all parameters of inverter(See Appendix B) ,open for qualified personnel to conduct professional commissioning. Illustrate by setting parameter F0.05, modify 5.00Hz to 10.00Hz, see below operation progress,you can refer to this to modify other parameters.
Page 37
1 minute,the inverter will be locked again. If the password is cleared,the keypad displays P.CLr ( If users forget the setting password,you can ask for Chint technical support for getting help)...
NVF5 Series User Manual Chapter 5 Simple Parameter Menu and Commissioning Process Chapter 5 Simple Parameter Menu and Commissioning Process 5.1 Simple Parameter Menu List Code Name Attribute Parameter Description Default 0:Sensorless Vector Control Motor ◎ F0.00 1:Reserve Control Mode 2:V/F Mode...
Page 39
NVF5 Series User Manual Chapter 5 Simple Parameter Menu and Commissioning Process 0:No Effect 1:Fault Log Clear 2: Set to Factory Default ( Except Motor Parameters Parameter F7.11) 3 : Reset Custom Parameter Group to Factory Default(Except Motor Parameters Parameter F7.11)...
NVF5 Series User Manual Chapter 5 Simple Parameter Menu and Commissioning Process 1:Simple Menu Mode Parameter ◎ F7.11 2:Custom Menu Mode Menu Mode 3:Engineering Menu Mode 5.2 Simple Commissioning Process - 36 -...
Page 41
NVF5 Series User Manual Chapter 5 Simple Parameter Menu and Commissioning Process Refer to Chapter 3 -“Installation Confirm the main and Wiring” for check correct circuit and control wiring circuit correct After power on, the default 5.00Hz Power on will be displayed on NVF5 integral...
NVF5 Series User Manual Chapter 6 Parameter Function Description Chapter 6 Parameter Function Description 6.1 Start Source Setting Command control is used to control inverter start、stop、run forward、run reverse、 jog. There are 4 types of command control:Integral Keypad、Terminal、Comm.、Remote Keypad,Command reference channel can be selected by parameter F0.01.
Page 43
NVF5 Series User Manual Chapter 6 Parameter Function Description same time,the inverter will stop. +24V STOP Reverse Forward STOP Figure 6-1-1 Two Wire Control Mode1 Parameters Setting as below: Code Name Values Description Command Channel F0.01 Terminal Control Selection Terminal...
Page 44
NVF5 Series User Manual Chapter 6 Parameter Function Description F5.08 Terminal Control Two Wire Control Mode2 Mode Selection F5.01 Function Forward(“Enable”) Selection F5.02 Reverse Function (“Forward/Reverse Selection Running”) Three Wire Mode 1: In this mode,DI3 is Run Enable input terminal, the direction is separately controlled by DI1、DI2.Shown as below figure,in this mode when SB1 is closed,when pressing...
Page 45
NVF5 Series User Manual Chapter 6 Parameter Function Description In this mode,DI3 is Run Enable input terminal,after Running command is given by DI1,DI2 control the direction.As shown in the below figure,when SB1 is closed,when pressing SB2 the inverter will start,when K is opened the inverter will run forward,when K is closed the inverter will run reverse;when SB1 is opened the inverter will stop.
NVF5 Series User Manual Chapter 6 Parameter Function Description 6.2 Frequency Reference Setting There are threr kinds of frequency reference modes,Main frequency reference、Aux. frequency reference、Main and aux. frequency reference sum mode. 6.2.1 Main Frequency Reference Selection Set parameter F0.02,select main frequency reference.There are 9 kinds of main frequency reference modes.
Page 47
NVF5 Series User Manual Chapter 6 Parameter Function Description Digital Given F0.09 ~ F0.07 F0.08 50.00Hz Digital Given 0.00 Hz ~ F0.08 F0.09 0.00Hz Ones Place: After Speed Setting Integral Keypad(UP/DN) : Frequency setting storage when power off : Frequency...
Page 48
NVF5 Series User Manual Chapter 6 Parameter Function Description Set AI Voltage / Current F5.33 ~ F5.36 Curve 3Setting input sacale F5.37 ~ F5.44 Curve 4Setting (Step4)AI curve setting modes: F5.21 ~ F5.22 AI1、AI2 Filter Setting AI curve selection and filter time setting ...
Page 49
NVF5 Series User Manual Chapter 6 Parameter Function Description 3 are same) : Frequence setting% Max. Ref. level Min. Ref. level Reference V Max.Ref. Min. Ref. Figure 6-2-1 AI Curve 1 Setting The curve 4 is similar as curve 1 ~ 3,most 4 point curve can be set up which can achieve more flexible correspondence.When setting curve 4, the minimum input voltage,...
Page 50
NVF5 Series User Manual Chapter 6 Parameter Function Description Curve 4 Break Point 2 (-100.0~+100.0)% F5.42 60.0% x. Output Setting Curve 4 Max. Reference F5.41 ~ +11.00V F5.43 10.00V Frequenc Curve 4 Max. Reference (-100.0~+100.0)% F5.44 100.0% Setting AI Curve Selection: The setting curves of the analog input terminals AI1 and AI2 are selected by the bits and ten bits of the parameter F5.24.
Page 51
NVF5 Series User Manual Chapter 6 Parameter Function Description Code Name Default Setting Range Description 0: HDI-High Speed Pulse Input 0 ~ 1 F5.00 HDI Input Type Selection 1:Common DI (Same as DI1~DI4) 0.0 KHz ~ F5.17 HDI Min. Input Pulse F5.15...
Page 52
NVF5 Series User Manual Chapter 6 Parameter Function Description Setting Paramet Range Comm ents Preset 100.0 (-100.0~100.0)% FA.31 Speed1 % is Preset (-100.0~100.0)% FA.32 Scale Speed 2 percent Preset (-100.0~100.0)% FA.33 age of Speed 3 F0.07- Preset (-100.0~100.0)% FA.34 Max.
Page 53
NVF5 Series User Manual Chapter 6 Parameter Function Description 1 : Store stop step and frequency Hundreds Place : Store when power off 0:No Store 1 : Store stop step and frequency Thousands Place : Step Time Unit Selection 0:Second 1:Minute...
Page 54
NVF5 Series User Manual Chapter 6 Parameter Function Description Time 3 3 : Accel./Decel. Time 4 Step 1Running FA.02 20.0 0.0~ 6500.0 Time FA.03 Step 2 Setting 0x0000 Same as FA.01 Step 2Running FA.04 20.0 0.0~ 6500.0 Time FA.05 Step 3 Setting 0x0000 Same as FA.01...
Page 55
NVF5 Series User Manual Chapter 6 Parameter Function Description 0:Digital GIven 1:AI1 Back FA.46 Channel 0~4 2:AI2 Selection 3:Reverse 4:HDI Simple Running T6~T12 Simple PLC Step Complete Indication Simple PLC Cycle Complete indication Figure 6-2-3 Simple PLC as Main Frequency Reference There are 3 kinds of operation mode for inverter Simple PLC function:Single cycle...
Page 56
NVF5 Series User Manual Chapter 6 Parameter Function Description Simple PLC Running T6~T12 T14 T15 RUN Command Figure 6-2-5 Simple PLC Single Cycle then Hold The Final Value Mode Continuous Cycle: First Cycle Second Cycle RUN Command Figure 6-2-6 Simple PLC Continuous Cycle Mode 6.2.7 Process PID Main Frequency Setting...
Page 57
NVF5 Series User Manual Chapter 6 Parameter Function Description F9.00 PID ref. source F9.02 selection PID para. switch para.1(F9.03~F9.05) F9.15 Reserved para.2(F9.17~F9.19) close loop switch condition(F9.20~ adjust feature F9.22) PID pause Comm. ( ) DI1~DI4 function 43 command PID offset limit Multi-segment (...
Page 58
NVF5 Series User Manual Chapter 6 Parameter Function Description 8:Reserve Reference Digital (0.0 ~ 100.0)% F9.02 50.0% Given Setting 0.0 ~ 100.0 F9.03 20.0 0.01 ~ 10.00 F9.04 2.00 0.000 ~ 10.000 F9.05 0.000 (0.01 ~ 50.00)s F9.06 Sampling Period 0.50s...
Page 59
NVF5 Series User Manual Chapter 6 Parameter Function Description 0.0% ~ F9.22 F9.21 Switch Offset 1 20.0% F9.21 ~ 100.0% F9.22 Switch Offset 2 80.0% Close Loop Preset (0.0 ~ 100.0)% F9.23 0.0% Value Preset Value (0.00 ~ 650.00)s F9.24 0.00s...
Page 60
NVF5 Series User Manual Chapter 6 Parameter Function Description 6.2.8 Communication Mian Frequency Setting See Appendix A – Modbus Communication Protocol 6.2.9 Auxiliary Frequency Input Setting Set parameter F0.03 to select Aux. Frequency as speed reference,the setting mode is same as main frequency setting mode,refer to “6.2.1 Main Frequency Reference...
NVF5 Series User Manual Chapter 6 Parameter Function Description Frequency highest Limit: Limit max. output frequency, motor is not allowed to run over the highest limit frequency; Frequency Lowest Limit:Limit min. output frequency,motor is not allowed to run below the lowest limit frequency;...
Page 62
NVF5 Series User Manual Chapter 6 Parameter Function Description Set parameter F1.00=0 , directly start inverter ,suitable for most kinds of load.Set parameter F1.01-direct starting frequency:suitable for some constant torque load. Freq. Hz Setting Freq. Start Freq. time Start Freq. Holding time...
Page 63
NVF5 Series User Manual Chapter 6 Parameter Function Description Outmut freq. Motor speed Acceleration Motor speed tracking time Time Figure 6-3-3 Speed Tracking and then Start Time Sequence Chart 6.3.2 Stop Mode The NVF5 has three kinds of stop modes,ramp deceleration stop、coast stop、ramp stop+DC injection braking stop.Set parameter F1.05 to select stop mode.
Page 64
NVF5 Series User Manual Chapter 6 Parameter Function Description Freq. Running freq. Time Deceleration time Stop command Figure 6-3-4 Ramp Decel. Stop Time Sequence Chart Coast Stop Set parameter F1.05=1,inverter coast stop. When the stop command is effective,the inverter immediately stops output and the motor will execute coast stop.
Page 65
NVF5 Series User Manual Chapter 6 Parameter Function Description 6.3.3 Accel./Decel. Time and Curve Setting The acceleration time refers to the time required for the inverter to accelerate from zero to F0.07-maximum output frequency;the deceleration time refers to the time required for the inverter to decelerate from F0.07-maximum output frequency to zero.
NVF5 Series User Manual Chapter 6 Parameter Function Description on Series Depend (0.0 ~ 6500.0)s F8.07 Decel.Time 3 on Series Depend (0.0 ~ 6500.0)s F8.08 Accel. Time 4 on Series Depend (0.0 ~ 6500.0)s F8.09 Decel.Time 4 on Series 0:Linear Acceleration Accel./Decel.
Page 67
NVF5 Series User Manual Chapter 6 Parameter Function Description (0 ~ 60000)rpm F2.06 Motor NP RPM 1430 rpm (0.001~65.535)Ω ( Inverter Power <=55kW) Motor Stator Depend on F2.07 (0.0001~6.5535)Ω Impedance motor type ( Inverter Power >55kW) (0.001~65.535)Ω ( Inverter Power <=55kW)...
NVF5 Series User Manual Chapter 6 Parameter Function Description difficult to separate and do not allow rotate auto tuning operation; Correctly input motor nameplate data:F2.00 ~ F2.06 ; 2. Modify parameter F2.22 to 1,press Run key to start inverter; 3. When the keypad displays“-TUN-”,auto tuning complete;...
Page 69
NVF5 Series User Manual Chapter 6 Parameter Function Description Torque Boost 0.00Hz ~F0.07 50.00Hz F4.02 Cut-off Point Multi-point F4.05 ~ F2.04 0.00Hz F4.03 Frequency Point 3 Multi-point (0.0 ~ 100.0) % 0.0% F4.04 Voltage Point 3 Multi-point F4.07 ~ F4.03 0.00Hz...
Page 70
NVF5 Series User Manual Chapter 6 Parameter Function Description Output Vol. V (f1,V1) multi-point VF Max. curve point 1 Output Vol. (f2,V2) multi-point VF curve point 2 (f3,V3) multi-point VF curve point 3 Output freq. f Normal running freq. Figure 6-5-2 Custom Multi-Point V/F Curve ●...
NVF5 Series User Manual Chapter 6 Parameter Function Description Voltage (0.0 ~ 100.0) 100% motor VF Separation Voltage F4.13 0.0% Digital Given rated voltage VF Separation Voltage (0.0 ~ 10.0)s F4.14 0.5s Rising Time VF Separation Voltage (0.0 ~ 10.0)s F4.15...
Page 72
NVF5 Series User Manual Chapter 6 Parameter Function Description 1 : Torque Regulation Speed Loop Kp 1 ( Low 1 ~ 100 F3.01 Speed ASR1-P) Speed Loop Ki Time 1 (Low (0.01 ~ 10.00) s F3.02 0.50s Speed ASR1-I) Switch Frequency1 0 Hz ~...
Page 73
NVF5 Series User Manual Chapter 6 Parameter Function Description Figure 6-6-1 Speed Loop PI Parameter Switch ● Speed loop slip compensation coefficient This parameter can adjust the accuracy of motor speed stability. When the frequency of the motor is lower than the output frequency of the inverter, the parameter can be increased.
Page 74
NVF5 Series User Manual Chapter 6 Parameter Function Description Accel. Time Torque Control (0.00 ~ 650.00)s F3.25 0.10s Decel. Tim Forward Speed (0.0~100.0)% F3.26 Limit in Torque 100.0% Mode Reverse Speed (0.0~100.0)% F3.27 Limit in Torque 100.0% Mode ● Speed Regulator、Torque Regulator Mode Selection Speed / Torque Mode is switched by parameter F3.00 ,also it can be switched by...
NVF5 Series User Manual Chapter 6 Parameter Function Description Torque Regulation Kp 0 ~ 60000 F3.13 2000 Torque Regulation Ki 0 ~ 60000 F3.14 1300 The integral regulator of the current loop does not use integral time as dimension, but directly sets integral gain.
NVF5 Series User Manual Chapter 6 Parameter Function Description Output Vol. Over voltage stall point Time Output Freq. Time Figure 6-8-1 OverVoltage Stall Action Diagram Code Name Default Setting Range Description 0:Ineffective Overvoltage Stall 1:Effective 0 ~ 2 FE.04 Protection :...
Page 77
NVF5 Series User Manual Chapter 6 Parameter Function Description 6.9.2 Motor Overload Protection Code Name Default Setting Range Description 0:Ineffective Motor Overload 0 ~ 1 FE.00 Protection Selection 1:Effective Motor Overvoload 0.20 ~ 10.00 FE.01 1.00 Protection Gain 0:Ineffective Motor...
Page 78
NVF5 Series User Manual Chapter 6 Parameter Function Description overload early alarm. When the early alarm level of motor overload FE.03 is set to 100%, the alarm advance is 0. At this time, the early alarm and overload protection occur simultaneously.
Page 79
NVF5 Series User Manual Chapter 6 Parameter Function Description Load Loss (0.0 ~ 60.0)s FE.19 Detection 1.0s Time 6.9.5 Fault Reset Fault reset provides 2 method: Manual reset、 Auto rest (Restricted by auto reset time) 1. Moudle Fault、 Overcurrent Fault etc: Auto reset is prohibited, only manual reset;...
Page 80
NVF5 Series User Manual Chapter 6 Parameter Function Description E.SPI(Same as ones place) Hundreds Place: Output Phase Loss E.SPO (Same as ones place) Thousands Place : External Fault E.EF (Same as ones place) Place : Ones Comm. Abnormal E.CE 0:Coast Stop 1:Stop per Stop...
Page 81
NVF5 Series User Manual Chapter 6 Parameter Function Description loss,recover to setting frequency when load recover Tens Place:PID Feedback Loss Running Mode-E.FbL 0:Coast Stop 1:Stop per Stop Mode 2:Keep Running Hundreds Place: Excessive Speed Deviation- E.dEv ( Same as tens place)...
NVF5 Series User Manual Chapter 6 Parameter Function Description ( Corresponding Max. Frequency) 6.10 Monitoring Function 6.10.1 Monitoring Parameters Customers can directly monitor the parameters of inverter running state and standby state through the integral keypad, and can select the display state parameters by the keypad by setting parameters.
Page 83
NVF5 Series User Manual Chapter 6 Parameter Function Description 6.11.1 Digital Input Setting(DI) NVF5 series has 5 mutifunctional Digital inputs,and HDI terminal can be used for High Speed Pulse input,Terminal setting are as below Code Name Default Setting Range Description 0 ~...
Page 84
NVF5 Series User Manual Chapter 6 Parameter Function Description parameters、PID parameters)are restored,DI is off,inverter recovers to the memory state before. Stop command is effective to all running mode, Ramp Stop When it is ON,the Stop Mode is set according to parameterF1.05...
Page 85
Reserve Current RunningTime Inverter current running time is cleared to 0 Clear 6.11.2 Digital Output Terminal Function(DO) NVF5 series has 1 standard Digital Output terminal,1 multifunctional Relay Output terminal, terminal configuration is as below. Code Name Default Setting Range Description 0 ~...
Page 86
NVF5 Series User Manual Chapter 6 Parameter Function Description Relay Output 0 ~ 63 F6.02 Selection F6.03 Reserve Output Terminal Effective Status 0x0000 ~ 0x0003 F6.04 0x0000 Setting(HDO、RO) Output Delay (0.0 ~ 3600.0) s F6.05 0.0s Time HDO Output Setting (0.0 ~...
Page 87
NVF5 Series User Manual Chapter 6 Parameter Function Description Torque Limiting Torque Command is in torque limiting progress, Process DO is effective. Speed Direction Indicate motor running direction The frequency of the inverter is within a certain range of target frequency.(Target frequency Frequency Reach ±F6.13 Value×Max.
Page 88
Reach effective. 6.11.3 Analog Input Function(AI) NVF5 Series has 2 Analog Input terminals -AI1、AI2,with -10V ~ +10V、4mA ~ 20mA,AI2 can select V or mA signal by Dip switch on the PCB board.AI setting mode,See Parameter“6.2.3 Analog Main Frequency Setting”. 6.11.4 Analog、Pulse Output Function(AO、HDO)...
NVF5 Series User Manual Chapter 6 Parameter Function Description (0.0~1000.0)V DC Bus Voltage (0 ~ 10)V (0 ~ 10)V (0.01 ~ 100.00)kHz Pulse Input (0 ~ 1000)A Output Current (0 ~ 1000)V Output Voltage -2 times Motor Rated Current ~ + 2 Output Torque(+/-)...
NVF5 Series User Manual Chapter 6 Parameter Function Description Judgement Voltage of 100% equals (60.0 ~ 100.0) FE.16 Instantaneous Power 80.0% Standard DC Failure Bus Voltage ● Deceleration Operation Mode: When the power line recovers, the Output Frequency of the inverter will be restored to the target frequency according to the accel. Time.
NVF5 Series User Manual Chapter 6 Parameter Function Description 6.14 Skip Frequency By setting the Skip Frequency, inverter can avoid the mechanical resonance point of the load.NVF5 can be set three Skip Frequency,if all Skip Frequency are set to 0,Skip...
NVF5 Series User Manual Chapter 6 Parameter Function Description Freq. Hz Time t Forward/Reverse switch deadband time Figure 6-15-1 Forward and Reverse Switch 6.16 Regenerative Braking When the motor decelerates, if the load is too large and the decal. time is too short, the DC Bus voltage of the inverter may rise to the overvoltage level.
NVF5 Series User Manual Chapter 6 Parameter Function Description Output Freq. FDT1 FDT1 Level Time Time Figure 6-17-1 Frequency Detection 6.18 Output Current Zero Point Detection For setting Zero point detection value of output current. Code Name Default Setting Range...
NVF5 Series User Manual Chapter 6 Parameter Function Description Timer Running (0.0 ~ 6500.0)min F8.33 0.0min Timer 6.20 Start At Power Up Enable/disable inverter automatically start on power up with different Start Commands and the Auto Restart delay time. Code...
7.1.2 Fault description and Trouble shooting If a fault appreas,Please see for an explanation of the fault code and check by youself firstly before asking for help from Chint or Chint channels.When you need support,please contact Chint or Chint channels.
Page 96
NVF5 Series User Manual Chapter 7 Troubleshooting Adjust V/F cruve or adjust 6、 Unsuitable V / F curve manual torque boost Check the input power 1、 Low grid voltage supply Inverter 2、 Decel. Time too short Increase decel. time Decel.
Page 97
NVF5 Series User Manual Chapter 7 Troubleshooting Protection interphase short circuit or motor insulation ground short circuit 2、 Inverter instantaneous See overcurrent handling overcurrent Clear the fan duct or 3、 Fan duct blockage or fan replace damage the fan 4、High ambient temperature...
Page 98
NVF5 Series User Manual Chapter 7 Troubleshooting manual torque boost 1、 Incorrect Motor Nameplate Motor auto tuning Enlarge inverter power rate 2、Excessive load Reduce DC brake current, increase brake 3、Excessive DC Brake Inverter time E.OL2 Overload Increase accel. time 4、 Accel. Time too short 5、...
NVF5 Series User Manual Chapter 7 Troubleshooting ground Check whether load loss or Inverter Current is Smaller than Load Loss E.LL the value of Parameter parameter FE.17、FE.18、 Fault FE.18 FE.19 parameter setting Check PID feedback signal Inverter PID Feedback is...
Page 100
NVF5 Series User Manual Chapter 7 Troubleshooting zero speed, and automatically reset” setting and fault the running cause indicator light Check external interrupt External interrupt settings and fault source 0 Frequency Setting Check frequency setting Start frequency is higher Check start frequency...
NVF5 Series User Manual Chapter 8 Maintenance Chapter 8 Maintenance 8.1 Maintenance Instructions Due to the influence of temperature, humidity, dust and vibration in the environment, internal component aging and wear of the inverter and many other reasons will lead to the potential faults;...
NVF5 Series User Manual Chapter 8 Maintenance 5. Check whether the DC Bus filter capacitors discolor, Peculiar smell, bubbling, leakage, etc. 8.3 Routine Maintenance The inverter must run in the standard environment. If some unexpected situations occur during operation, the user should follow the instructions in the table below to do routine maintenance job.
NVF5 Series User Manual Chapter 8 Maintenance 2.Whether the power terminals are in poor contact, whether copper bus bar connections are with overheating signs; 3.Whether the power cables, control cables are damaged, especially the casing in contact with the metal surface is with cut marks;...
NVF5 Series User Manual Chapter 8 Maintenance Discriminant criteria: Whether there is liquid leakage, whether the safety valve has projected, measurement of the electrostatic capacitance and insulation resistance. 3.Relay Possible damaged reason: Corrosion, frequent action.。 Discriminant criteria: Opening and closing failure.
NVF5 Series User Manual Appendix A RS485-MODBUS Communication Instructions Appendix A RS485-MODBUS Communication Instructions A.1 Networking Mode NVF5 inverter provides RS485 communication interface and adopts the international standard Modbus communication protocol for Master-Slave communication. Users can achieve centralized control (set the control command and running frequency of inverter, modification of the related parameters, monitoring of inverter status and fault information etc.) through PC/PLC, host computer monitoring software etc., to adapt to the specific...
NVF5 Series User Manual Appendix A RS485-MODBUS Communication Instructions A.4 Protocol Format Modbus protocol supports both RTU and ASCII modes. The corresponding frame format is shown below. RTU Mode Modbus data frame Start Slave Check Command Data code code address (at least 3.5 characters free)
NVF5 Series User Manual Appendix A RS485-MODBUS Communication Instructions In ASCII mode, the frame head is"0x3A", the default frame tail is“0x0D, 0x0A”, and the frame tail can be configured by users. In this mode, besides the frame head and tail, the other data bytes are all sent in ASCII code;...
Page 108
NVF5 Series User Manual Appendix A RS485-MODBUS Communication Instructions Group number mapping of the inverter function parameter is the upper bytes of Modbus register address (0~F corresponding values are 0x00~0x0F); Group Index (parameter number in the group) mapping is the lower bytes of Modbus register address (00~99 corresponding values are 0x00~0x63).
NVF5 Series User Manual Appendix A RS485-MODBUS Communication Instructions Type 16-bit unsigned bit data type 32-bit unsigned bit data type 8-bit signed bit data type 16-bit signed bit data type 32-bit signed bit data type No magnification factor 1X magnification...
Page 110
NVF5 Series User Manual Appendix A RS485-MODBUS Communication Instructions Power Read-write Description Address Explanation Down property Saving 0x00:No command 0x01:Forward running 0x02:Reverse running Communication 0x03:Run stop Command(F0.01 = 0x3200 0x04:Forward jog 2Communication 0x05:Reverse jog Command) 0x06:Jog stop 0x07:Free stop 0x08:Fault reset bit00:...
Page 111
NVF5 Series User Manual Appendix A RS485-MODBUS Communication Instructions Power Read-write Description Address Explanation Down property Saving bit12 : Inverter fault (1 effective) bit13:Speed control (1 effective) bit14:Torque control (1 effective) bit15:Undervoltage (0 undervoltage) 0x3400 Output Frequency 0x3401 Setting Frequency...
NVF5 Series User Manual Appendix A RS485-MODBUS Communication Instructions Power Read-write Description Address Explanation Down property Saving function code. Information feedback to the host computer is the dexadecimal data instead of fault code. A.7 Parameter Management Modbus master station can obtain the parameter group quantity and group number from the CPU through the corresponding command, as well as the internal parameter number .
NVF5 Series User Manual Appendix A RS485-MODBUS Communication Instructions …… …… …… Obtain number Obtain the number of 0x43xx parameters parameters in Group (xx= Max-1) in Group Max parameters A.8 Network Wiring A.8.1 Topology structure RS-485-Modbus repeater is not configured. There is a trunk cable which is directly connected with all devices (daisy-chained) or connected through short branch cable.
Page 114
NVF5 Series User Manual Appendix A RS485-MODBUS Communication Instructions 0x04 Slave equipment fault 0x05 Confirm 0x06 Slave equipment busy 0x08 Memory parity error 0x0A Gateway path is not available 0x0B Gateway target device failed to respond 0x10 CRC check code error...
NVF5 Series User Manual Appendix B Parameter list Appendix B Parameter list Items Description Function Parameter Group and Parameter No Code Full Name of Parameter Name Parameter Parameter Function Descriptions Description Unit: Unit Name Unit Name Unit Name Centigr ℃...
Page 116
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change F0 Basic Program Group 0:Sensorless Vector Control ◎ F0.00 Motor Control Mode 1:Reserve 2:V/F Mode 0:Integral Keypad 1:Digital Terminal ○ F0.01 Command Source 2:Communication 3:Remote Panel 0:Digital Given...
Page 117
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change ○ 0.00Hz ~ F0.08 F0.09 Minimum Frequency 0.00 Hz Basic Operating ○ 0.00Hz ~ F0.07 F0.10 50.00 Hz Frequency Depend on ● (0 ~ 480)V F0.11 Max.
Page 118
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change 2:No effect in Decel. Mode 0:No Effect 1:Fault Log Clear 2: Set to Factory Default ( Except Motor Parameters Parameter F7.11) 3 : Reset Custom Parameter Group to Factory Default(Except...
Page 119
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change Starting frequency DC braking ○ (0.0 ~ 100.0)s F1.07 0.0s wait time ( 0.0 ~ 100.0 ) % ( Rated DC braking ○ F1.08 0.0% current Current)...
Page 120
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change (0.001 ~ 65.535) mH (Inverter Power > 55kW) (0.1 ~ 6553.5)mH(Inverter Motor Mutual Power <= 55kW) Depend on ◎ F2.10 (0.01 ~ 655.35)mH(Inverter motor type inductance Power >...
Page 121
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change ○ 0 ~ 60000 F3.14 Torque Regulation Ki 1300 0:Integral Keypad 1:AI1 2:AI2 3:Reserve Torque Reference ◎ F3.19 4 : HDI High Speed Pulse Selection Reference 5:Reserve...
Page 122
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change Multi-point ◎ ( 0.0 ~ 100.0)% F4.04 0.0% Voltage Point 3 Multi-point ◎ F4.07 ~ F4.03 F4.05 0.00Hz Frequency Point 2 Multi-point ◎ ( 0.0 ~ 100.0)% F4.06...
Page 123
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change 8:Reserve 9:Running Pause 10: Ramp Stop 11:DC Brake Deceleration 12:Coast Stop 13:Terminal Accel. UP 14:Terminal Decel. DOWN 15:Switch to Keypad Command 16 : Swith Digital Input Command 17:Switch to Comm.Command...
Page 124
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change 45:PID Invert 46:PID Parameter Switch 47:Reserve 48:DC Brake 49:Frequency Setting Effective Terminal 50:Reserve 51:Current RunningTime Clear 52~63:Reserve Range:0x0000 ~ 0x001F Binary Setting: 0:Normal Logic DI Terminal Effective 1:Invert...
Page 125
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change Time ○ F5.20 Reserve ○ (0.00 ~ 10.00)s F5.21 AI1 Filter 0.05s ○ (0.00 ~ 10.00)s F5.22 AI2 Filter 0.05s ○ F5.23 Reserve Range:0x0000~0x0333 Place : AI1...
Page 126
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change Curve 4 Break Point 1 ○ F5.37 ~ F5.41 F5.39 3.00V Reference Curve 4 Break Point 1 ○ (-100.0 ~ +100.0)% F5.40 30.0% Setting Curve 4 Break Point 2 ○...
Page 127
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change 15:Inverter Ready 16:Fault Output 17~18:Reserve 19:In Torque Limiting Process 20:Speed Direction 21:PFC 22:Frequency Reach 23:Reserve 24:In Load Loss Progress 25:Zero Current Status 26:Current Reach1 27:Current Reach 2 28:Temperature Reach...
Page 128
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change 2:Setting Frequency(0~ Max. Output Frequency) 3:Ramp Reference Frequency ( After Accel./Decel. ) ( 0~ Max. Output Frequency) 4:Output RPM(0~ Max. Output Frequency) 5:Output Current1(0~2 times Inverter Rated Current)...
Page 129
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change ( FAR ) Detection Width ○ 0.00 Hz ~ F0.07 F6.14 FDT1 Level 50.00Hz ○ (0.0 ~ 100.0)% F6.15 FDT1 Lagging 5.0% ○ 0.00 Hz ~ F0.07 F6.16...
Page 130
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change Bit12:Torque Reference Value (%Light) Bit13:PLC Current Step No. Bit14:Reference RPM Bit15:Reserve Range:0x0000~0x000F Bit00:AI1 Value(V Light) Bit01:AI2 Value(V Light) Running Status ○ F7.06 0x0000 Bit02: Reserve Selection2 Bit03 :...
Page 131
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change Percentage Keypad Potentiometer Max. Corresponding ○ (0.0~100.0)% F7.13 100.0% Max. Frequency Percentage F8 Enhanced Parameter Group ~ ○ 0.10 Max. Output F8.00 Jog Frequency 5.00Hz Frequency F0.07 ○...
Page 132
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change Output Current Over ○ (0.00~600.00)s F8.23 Limit Detection Delay 0.00s Time Current Reach ○ (0.0~300.0)% F8.24 100.0% Detection Value 1 Current Reach ○ (0.0~300.0)% F8.25 Detection Value 0.0%...
Page 133
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change 0:AI1 1:AI2 2:Reserve 3:AI1+AI2 ◎ F9.01 Feedback Selection 4:AI1-AI2 5:MIN(AI1,AI2) 6:MAX(AI1,AI2) 7: HDI 8:Reserve Reference Digital ○ ( 0.0 ~ 100.0)% F9.02 50.0% Given Setting ○...
Page 134
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change ○ F9.18 0.01 ~ 10.00 2.00 ○ F9.19 0 ~ 10.000 0.000 0:Ineffective Parameter Switch ○ 1:DI Switch F9.20 Selection 2:Switch Automaticlly Based On Offset ○...
Page 135
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change 0:Second 1:Minute Range : 0x0000 ~ 0x0315 Ones Place: Frequency Source 0:Multi-Step Frequency 1:AI1 2:AI2 3:Reserve 4:HDI 5:PID Output ○ FA.01 Step 1 Setting Tens Place:Running Direction 0x0000 0:Forward...
Page 136
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change ○ 0.0 ~ 6500.0 FA.22 Step 11 Running Time 20.0 ○ FA.23 Step 12 Setting Same as FA.01 0x0000 ○ 0.0 ~ 6500.0 FA.24 Step 12 Running Time 20.0...
Page 137
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change 6:115200bps 0:No Check(8-N-2)for RTU 1:Odd Check(8-O-1)for RTU 2:Even Check(8-E-1)for RTU 3:No Check(7-N-2)for RTU 4:Odd Check(7-O-1)for RTU 5:Even Check(7-E-1)for RTU ○ Fb.02 Data Bit Checking 6:No Check(8-N-2)for ASCII 7:Odd Check(8-O-1)for ASCII...
Page 138
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change Frequency ● (0.00 ~ 600.00)Hz Fd .03 Setting(After 0.00Hz Accel./Decel.) (-300.0 ~ +300.0)%(Motor ● Fd .04 Torque Reference 0.0% Rated Torque) ● (0.00 ~ +600.00)Hz Fd .05 Output Frequency 0.00Hz...
Page 139
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change Range:0x0000~0xFFFF 0:Off; 1:On Ones Place: ● Fd .18 DI Terminal Status 0x0000 BIT0~BIT3:DI1~DI4 Tens Place: BIT0:HDI BIT1~BIT3:Reserve Range:0x0000~0xFFFF 0:Off; 1:On ● Fd .19 DO Terminal Status 0x0000 Ones Place:...
Page 140
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change Fan Running Elapsed ● 0 ~ Max.65535Hours Fd .38 Time (0 ~ 999.9)kVA(Depend On Set By ● Fd .39 Rated Capacity Factory Series) (0 ~ 999) V (Depend On Set By ●...
Page 141
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change Protection Current 0:Ineffective Ground Short Circuit ○ FE.09 Protection Selection 1:Effective 0:Ineffective Instantaneous power ○ FE.13 1:Deceleration Off Action Selection 2:Decel. Stop Judgement Voltage of ○...
Page 142
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change 0:No fault- No 1:Accel. Overcurrent-E.OC1 2:Decel. Overcurrent-E.OC2 : Constant Speed Overcurrent-E.OC3 4:Accel. Overvoltage-E.OU1 5:Decel. Overvoltage-E.OU2 6:Constant Speed Overvoltage- E.OU3 7:Reserve 8:Input Phase Loss-E.SPI 9:Output Phase Loss-E.SPO 10:IGBT Protection-E.FO...
Page 143
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change 34 : Rapid Current Limit Overtime-E.CbC : Inverter Hardware Overcurrent Abnormal-E.Inv 36:Load Loss-E.LL 37 : PID Feedback Loss in Running Mode-E.FbL : Motor Over Temperature-E.OT 39:Reserve 40:Reserve...
Page 144
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change Place : External Thousands E.EF ( Same as ones Fault- place) 0x0000 ~ 0x2222 Comm. Abnormal Ones Place: -E.CE 0:Coast Stop 1:Stop per Stop Mode 2:Keep Running Protection Selection2 ○...
Page 145
NVF5 Series User Manual Appendix B Parameter list Code Name Setting Range Default Change Thousands Plac:Reserve 0 ~ 4 0:Current Frequency Continuing Running 1:Setting Frequency ○ FE.43 Frequency Slection 2:Upper Limit Frequency when Faulted 3:Lower Limit Frequency 4:Abnormal Reserve Frequency (0.0 ~ 100.0)...
NVF5 Series User Manual Appendix C Accessiories Appendix C Accessiories Name Description Catalog No. For meeting IP22 protection level use,please refer to the installation guideline Top protective cover NVF5-FH - 142 -...
If there are any agreement, with the principle of the priority of agreement. 6.Chint sales region office, Chint qualified channels of China can provide post sales services for inverter products. - 143 -...
Need help?
Do you have a question about the NVF5 Series and is the answer not in the manual?
Questions and answers