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HNC Electric HV350 Series User Manual

Mini frequency inverter
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HV350 Series Mini Frequency Inverter
User Manual
HNC Electric Limited

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  • Page 1 HV350 Series Mini Frequency Inverter User Manual HNC Electric Limited...

  • Page 2: Table Of Contents

    HV350 Mini Frequency Inverter User Manual Contents Chapter 1 Introduction to HV350 Series Inverter ................3 1.1 Product Model Description ........................3 1.2 Safe Precaution ..........................4 1.3 Product Series............................7 1.4 Product Specifications ........................8 1.5 Product Component Name ....................... 10 1.6 Product Outline, Mounting Dimension, and Weight ................10 1.7 Operation Panel Outline and Mounting Dimension ................
  • Page 3 HV350 Mini Frequency Inverter User Manual P3 Motor parameters..........................63 P4 Dedicatd function for V/F control ..................... 64 P5 Vector control funtion ........................66 P6 I/O I/O output terminal ........................70 P7 Analog input terminal function ......................83 P8 Analog output terminal ........................85 P9 Program operating parameters ......................

  • Page 4: Chapter 1 Introduction To Hv350 Series Inverter

    HV350 Mini Frequency Inverter User Manual Chapter 1 Introduction to HV350 Series Inverter 1.1 Product Model Description The digits and letters in the inverter model field on the nameplate indicate such information as the product series, power supply class, power class and software/hardware versions.
  • Page 5 HV350 Mini Frequency Inverter User Manual Note: The brake unit and RS485 communication unit are optional component, if needed, please contact the factory previously. 1.2 Safety Precautions Description of safety marks: Danger: The misuse may cause fire, severe injury, even death. Note: The misuse may cause medium or minor injury and equipment damage.
  • Page 6 HV350 Mini Frequency Inverter User Manual  Wiring Danger Danger  The wiring must be conducted by qualified electricians. Otherwise, there exists the risk of electric shock or inverter damage.  Before wiring, confirm that the power supply is disconnected. Otherwise, there exists the risk of electric shock or fire.
  • Page 7 HV350 Mini Frequency Inverter User Manual  Operation Danger Danger  Power supply can only be connected after the wiring is completed and the cover is installed. It is forbidden to remove the cover in live condition; otherwise, there exists the risk of electric shock.

  • Page 8: Product Series

    HV350 Mini Frequency Inverter User Manual Note Note  The circuit boards have large scale CMOS IC. Please do not touch the board to avoid the circuit board damage caused by electro static.  Others Danger Danger  It is forbidden to modify the inverter unauthorizedly; otherwise, personal injury may be caused.

  • Page 9: Product Specifications

    HV350 Mini Frequency Inverter User Manual cooling 1.4 Product Specifications Item Specifications Rated Output Voltage Three phase 380V, 220V (Max output voltage is equal to input voltage) Max continuous current 100% rated output current OUTPUT 150% rated current for 1minutes, Overload ability 180% rated current for 2 seconds.
  • Page 10 HV350 Mini Frequency Inverter User Manual Programmable terminal 6 programmable channels, 30 kinds of functions can be selected, such as Run input forward/reverse, Jog forward/reverse, multi-step speed selection, multi-step Acc/Dec time, free run to stop, voltage/current switch, etc. Open collector output 1 channel, 20 optional running states, the maximum output current is 50mA Programmable relay output 1 channel, 20optional running states, contact capacity: 250V AC /3A or 30V DC...

  • Page 11: Product Component Name

    HV350 Mini Frequency Inverter User Manual 1.5 Product Component Name HV350−R40G1～HV350−1R5G1， HV350−R40G2～HV350−1R5G2， HV350−R75G3～HV350−2R2G3 Fig.1−3 Product component name HV350−R40G2～HV350−1R5G2、HV350−R75G3~HV350-004G3 Fig.1−4 Product outline and mounting dimension 1.6 Product Outline, Mounting Dimension, and Weight Outline and mounting dimension (mm) Approximate Voltage weight Inverter model class mounting (kg)）...

  • Page 12: Operation Panel Outline And Mounting Dimension

    HV350 Mini Frequency Inverter User Manual 1.7 Operation Panel Outline and Mounting Dimension Operation panel (HV350-DP01) Rear view of operation panel Fig.1−5 Operation panel outline and mounting dimension 1.9 Braking Resistor Lectotype Braking resistor unit Braking Inverter model Braking torque% Resis unit Power...

  • Page 13: Chapter 2 Inverter Installation

    HV350 Mini Frequency Inverter User Manual Chapter 2 Inverter Installation 2.1 Environment for Product Installation  Avoid installing the product in the sites with oil mist, metal powder and dust.  Avoid installing the product in the sites with hazardous gas and liquid, and corrosive, combustible and explosive gas.

  • Page 14: Removal And Mounting Of Operation Panel And Cover

    HV350 Mini Frequency Inverter User Manual  Note： When the HV350 inverters are mounted side by side in the cabinet, please remove the upper dust guard and the lower leading board. 2.3 Removal and Mounting of Operation Panel and Cover 2.3.1 Removal and Mounting of Operation Panel ...
  • Page 15 HV350 Mini Frequency Inverter User Manual Fig.2−3 Removal of lower cover Fig.2−4 Mounting of lower cover  Mounting of lower cover Insert the upper claw grab on the lower cover into the groove of the upper cover, as shown in position 1 of Fig.2−4, and then press the lower part of the lower cover in direction 2 of Fig.2−4, until the “crack”...

  • Page 16: Chapter 3 Wiring Of Inverter

    HV350 Mini Frequency Inverter User Manual Chapter 3 Wiring of Inverter 3.1 Connection of the Product and Peripheral Devices Power supply Circuit breaker or leakage circuit breaker Contactor Input AC reactor Input noise filter DC reactor Inverter Grounding Output noise filter Braking resistor Output AC reactor Motor...

  • Page 17: Description Of Peripheral Devices For Main Circuit

    HV350 Mini Frequency Inverter User Manual 3.2 Description of Peripheral Devices for Main Circuit The capacity of the circuit breaker shall be 1.5 ~ 2 time of the rated current of the inverter. Circuit breaker The time features of the circuit breaker shall fully consider the time features of the inverter overload protection.

  • Page 18: Product Terminal Configuration

    HV350 Mini Frequency Inverter User Manual 3.4 Product Terminal Configuration HV350-R40G1～HV350-1R5G1 HV350-R40G2～HV350-1R5G2 HV350-R75G3～HV350-2R2G3 Fig.3−2 Product terminal configuration 3.5 Functions of Main Circuit Terminal 3.5.1 HV350−R40G1/G2～HV350−1R5G1/G2 and HV350−R75G3～HV350−2R2G3 HV350−R40G1/G2～HV350−2R2G1/G2 HV350−R75G3～HV350−004G3 Terminal symbol Terminal name and function description R、S、T Three-phase AC input terminal 、B Connecting terminal of braking resistor U、V、W...
  • Page 19 HV350 Mini Frequency Inverter User Manual  It is forbidden to short circuit or ground the inverter output terminal, otherwise the internal components of the inverter will be damaged.  Avoid short circuit the output cable and the inverter enclosure, otherwise there exists the danger of electric shock.
  • Page 20 HV350 Mini Frequency Inverter User Manual 3.6.4 Countermeasures for Conduction and Radiation Interference Inverter Inverter Input filter Input filter Filtering cable Filtering cable Fig.3−4 Noise current illustration  When the input noise filter is installed, the wire connecting the filter to the inverter input power end shall be as short as possible.

  • Page 21: Terminal Wiring

    HV350 Mini Frequency Inverter User Manual 3.7 Terminal Wiring Braking resistor Circult braker Morotr Three phase AC power supply Mortor grounding Power grounding Main circult Control circult Multi function input 1 (DC 0 ~ 10V) Analog output 1 Multi function input 2 Multi function input 3 Multi function input 4 Multi function input 5...

  • Page 22: Functions Of Control Circuit Terminals

    HV350 Mini Frequency Inverter User Manual 3.8 Functions of Control Circuit Terminals Terminal Terminal function Type Technical specification symbol description Positive end of 485 Rate: 4800/9600/19200/38400/57600bps 485+ differential signal Up to 32 sets of equipment can be paralleled. Relay shall be used if the number exceeds 32. Negative end of 485 Terminal 485−...

  • Page 23: Lectotype Of Control Circuit Peripheral Devices

    HV350 Mini Frequency Inverter User Manual potentiometer shall be no less than 5kΩ, Note: 1. The arrangement sequence of the control circuit terminals is as follows: Relay terminal Control terminal 3.9 Lectotype of Control Circuit Peripheral Devices Tightening Wire Terminal Terminal number torque specification...

  • Page 24: Chapter 4 Using Instructions Of Operation Panel

    HV350 Mini Frequency Inverter User Manual Chapter 4 Using Instructions of Operation Panel 4.1 Introduction to Operation Panel Operation pane（HV350−DP01） Fig. 4−1 Display unit of operation panel 4.2 Descriptions of Indicators Symbol of Name Meanings Color Indicator On: Running command is given via operation panel Running command Off: Running command is given via terminals...

  • Page 25: Keypad Operating Status

    HV350 Mini Frequency Inverter User Manual Symbol Name Function Switch between program and other states, which includes 1、 Programming parameters display and programming; In menu status, press key PRG this key to return previous menu. Function 1、 In program status, press this key to enter next menu. Selection/Save 2、...

  • Page 26: Panel Operation Method

    HV350 Mini Frequency Inverter User Manual ►► to enter and view the parameter; press key to exit; and press key to SET key scroll through parameters in stopping state. 4.4.3 Running state In stopping state, after receiving running command, the drive enters running state.
  • Page 27 HV350 Mini Frequency Inverter User Manual second level Stop/run first level third level function codes set Menu Operation Procedure Fig.4-1 In the third level menu, user can return second level menu by pressing key or key. The difference is: Parameter settings can be saved in control board if is pressed, then LED returns to second level menu and shifts to next function code automatically;...

  • Page 28: Parameter Display

    HV350 Mini Frequency Inverter User Manual stopping state / running state 50.00 018.5 007.5 Stop monitoring 0.4~999.9KW 0.4~999.9 KW parameters By two times -P0- 018.5 P3.01 Basic Motor rated 0.4~999.9KW parameters voltage By three times -P3- 008.5 50.00 motor Stop monitoring 0.4~999.9KW parameters parameters...

  • Page 29: Motor Auto-Tuning Procedure

    HV350 Mini Frequency Inverter User Manual Switch of the running parameters 4.6.2 In running state, maximum 15 running state parameters can be displayed by HV350 SHIFT drive via key. 4.7 Motor auto-tuning procedure Before selecting vector control mode, user should input motor parameters correctly. HV350 drive can get motor‘s standard parameters according to the parameters on nameplate;...

  • Page 30: Running For The First Time

    HV350 Mini Frequency Inverter User Manual 4.8 Running for the First Time Please follow the procedures to run the inverter for the first time: Note： ◆If fault happens, please judge the fault causes and clear the fault according to 7.1 Fault and alarm information list. ◆If motor can without connecting the load rotating auto tuning can be selected (P3.05=2),otherwise only static auto...

  • Page 31: Chapter 5 List Of Parameters

    HV350 Mini Frequency Inverter User Manual Chapter 5 List of Parameters Meanings of Each Item in Function Code Parameter Table Item M e a n i n g s Function code The number of function code, such as P0.00 number Function code The name of function code, which explains the function code’s meanings.
  • Page 32 HV350 Mini Frequency Inverter User Manual P0.04 Main Frequency gain 1.000 0.000-9.999 P0.05 Zero frequency 0：Panel potentiometer setting (0~5V) source 1:Digital frequency of P0.11 multi-speed mode 2：External analog signal: AI1 3：External analog signal: AI2 P0.06 Auxiliary frequency 0：External analog signal: AI1(0~10V) 1 ：...
  • Page 33 HV350 Mini Frequency Inverter User Manual setting P0.12 Rotating direction 0: FWD (Keypad operation) 1: REV P0.13 50.00 Maximum output 50.00~400.0 Hz frequency P0.14 50.00 High frequency limit 0.00~ Maximum output frequency P0.15 Low frequency limit 0.00Hz~ High frequency limit P0.16 20.0 Acc time 1...
  • Page 34 HV350 Mini Frequency Inverter User Manual DC injection braking DC injection braking P1.07 0：No operation time 0.1~60.0s DC injection braking P1.08 0.0~100.0%(motor rated current) current P1.09 Acc/Dec mode 0: Linear mode selection 1：reserved P1.10 Time of S curve‘ s 20.0% 10.0%~50.0% start part P1.11...
  • Page 35 HV350 Mini Frequency Inverter User Manual P2.01 20.0 Dec time 2 0.1~3600s P2.02 20.0 Acc time 3 0.1~3600s P2.03 20.0 Dec time 3 0.1~3600s P2.04 20.0 Acc time 4 0.1~3600s P2.05 20.0 Dec time 4 0.1~3600s P2.06 10.0 Jog Acc time 0.1~20.0s P2.07 10.0...
  • Page 36 HV350 Mini Frequency Inverter User Manual P2.30 Carrier frequency 2.0~12.0KHz P2.31 0.00 Zero frequency 0.0~400.0Hz threshold P2.32 0.00 Zero frequency 0.0~400.0 Hz hysteresis P2.33 Droop control 0.00-10.00Hz 0.00 P3 Group motor parameters P3.00 Motor rated power 0.4~999.9KW Drive‘s rated power P3.01 380V Motor rated voltage...
  • Page 37 HV350 Mini Frequency Inverter User Manual 1: Square V/F 2: 1.5 times torque 3: 1.2 times torque 4: User defined V/f P4.01 Base voltage 0~440V P4.02 50.00 Base frequency 10.00~400.0 Hz P4.03 Intermediate voltage 1 0~P4.04 P4.04 Intermediate voltage 2 P4.03~100% P4.05 16.00...
  • Page 38 HV350 Mini Frequency Inverter User Manual P5.08 reserved P5.09 reserved P5.10 reserved P6 Group I/O parameters P6.00 FWD/REV mode 0: Two-line operation mode 1 1: Two-line operation mode 2 2: 3-line operation mode 1 3: 3-line operation mode 2 P6.01 1.00 Up/down rate 0.10~99.99Hz/s...
  • Page 39 HV350 Mini Frequency Inverter User Manual 25：switch between panel control mode and communication control mode 26: Counter trig signal 27: Counter reset signal 28: PID dormancy waking up 29：switch between PID positive mode and negative mode 30：emergence stop P6.09 Programmable relay 1 0: No function 1: Drive ready P6.10...
  • Page 40 HV350 Mini Frequency Inverter User Manual arriving P6.18 Terminal logic 0~255 P7 Group Analog input terminal P7.00 0.50 AI1 Filter time 0.05~5.00s P7.01 Minimum AI1 0.0~100.0% P7.02 0.00 Frequency 0.00~100.0% (Maximum output frequency) corresponding F7.02 P7.03 100.0 0.0~100.0% Maximum AI1 P7.04 Frequency 100.0...
  • Page 41 HV350 Mini Frequency Inverter User Manual P8 Group Analog output terminal P8.00 AO1 output selection 0: Running frequency P8.01 1: Frequency setting reserved 2: Output current 3: Output voltage 4: Output torque 5: DC Bus Voltage 6: PI reference 7: PI feedback 8: AI1 9:AI2 P8.02...
  • Page 42 HV350 Mini Frequency Inverter User Manual P9.07 Stage 6 timing T6 0~3600.0 P9.08 Stage 7 timing T7 0~3600.0 P9.09 Stage 8 timing T8 0~3600.0 P9.10 Stage 9 timing T9 0~3600.0 P9.11 Stage 10 timing T10 0~3600.0 P9.12 Stage 11 timing T11 0~3600.0 P9.13 Stage 12 timing T12...
  • Page 43 HV350 Mini Frequency Inverter User Manual characteristic 1: Negative characteristic PA.01 Reference selection 0: Panel Digital setting 1: External analog signal AI1 2: External analog signal AI2 3:Communication 4: Panel potentiometer setting (0~5V) PA.02 Feedback channel 0: External analog signal AI1 selection 1: External analog signal AI2 PA.03...
  • Page 44 HV350 Mini Frequency Inverter User Manual PA.18 Sleeping frequency 0.00~400.0Hz 0.00 PA.19 Delay time of waking 0.0~60.0s PA.20 Waking value 0.0~100.0% 100.0 Pb GROUP Traverse operation parameters Pb.00 Traverse mode Auto mode Manual mode Pb.01 0.00 Preset traverse 0.00~400.0 Hz frequency Pb.02 Hold time of preset...
  • Page 45 HV350 Mini Frequency Inverter User Manual （MODBUS） MASTER 9: 8,N,2 for RTU PC.02 Local address 1~32，0 is the broadcast address PC.03 Communication 0， No detection timeout detect 2.0~10.0s PC.04 Response delay 2~1000ms PC.05 EEROM Store 0：Store selection 1：no store function Pd Group Faults and protection parameters Pd.00 Motor...
  • Page 46 HV350 Mini Frequency Inverter User Manual constant speed 2: Enabled during Acc/Dec, enabled at constant speed Pd.10 Auto reset 0：Disabled 1~5：Times of fault reset Pd.11 Auto reset interval 2.0~20.0s Pd.12 Relay action 0：No action Auto reset 1：action Pd.13 Act selection at under 0：No action voltage fault 1：Act in running state...
  • Page 47 HV350 Mini Frequency Inverter User Manual Running line speed Output torque PI reference PI feedback Analog input AI1 Analog input AI2 I/O status External counting value PH.01 Display parameters at 0: Frequency setting stop 1: Preset line speed 2: DC Bus voltage 3: Analog input AI1 4: Analog input AI2 5: I/O status...
  • Page 48 HV350 Mini Frequency Inverter User Manual last fault PH.13 I/O state at last fault PH.14 Total operating time PH.15 Software version of CPU Board PH.16 Software version of Keypad Board...

  • Page 49: Chapter6 Detail Function Introduction

    V/F control mode. P0.03 Main Frequency Source Setting range: 0~10 HV350 series inverter has ten kinds of frequency setting mode. 0：Keypad setting, In this mode, present frequency is set by the Shuttle knob on the panel.
  • Page 50 2：External analog signal AI2 setting P0.06 assit frequency setting Setting arrange：0~4 HV350 series inverter has ten kinds of assist frequency setting mode 0：External analog signal AI1（0~10V） 1：External analog signal AI2（0~10V or 0-20mA）, use S1(AI2) dial switch to determine voltage/current signal 2：External analog signaAI1（0~10V）with polarity control...
  • Page 51 HV350 Mini Frequency Inverter User Manual 50Hz P7.10 P7.10 P7.01=50% P7.02=0Hz P7.06=50% P7.07=0Hz 50Hz Fig6-1 Polarity control of external analog signa P0.07 Auxiliary frequency range selection Setting range：0~1 Selecting the range of the auxiliary frequency 0：Maximum output frequency 1：Main frequency P0.08 Auxiliary frequency range Setting range：0~100% The auxiliary frequency is the product of...
  • Page 52 HV350 Mini Frequency Inverter User Manual The setting frequency source of the inverter can be switched between the main frequency and （Main frequency + Auxiliary frequency） with the external terminal defined by P6 Group parameter. 6：switch between Main frequency and （Main frequency - Auxiliary frequency） The setting frequency source of the inverter can be switched between the main frequency and （Main frequency - Auxiliary frequency）...
  • Page 53 HV350 Mini Frequency Inverter User Manual 。 P0.13 Maximum output Setting range: 50Hz～400.0Hz frequency P0.14 High frequency limit Setting range: lower frequency limit ~ Maximum output frequency P0.15 Low frequency limit Setting range: 0.00Hz～Upper frequency limit The maximum output frequency is the maximum frequency which the inverter is able to output, shown in Fig.

  • Page 54: P1 Auxiliary Function Parameters 1

    HV350 Mini Frequency Inverter User Manual Other Acc/Dec time must be selected through control terminals according to different groups（Please refer to P2 Parameter group） 。 When program is running, selection of Acc/Dec time group is setup in function code (Please refer to P9 Parameter group).
  • Page 55 HV350 Mini Frequency Inverter User Manual Output frequency Acc process Dec process Start Stop DC braking Frequency Start frequency P1.01 P1.06 Start DC Run time braking stop Start Frequency Hold time P1.02 Fig. 6-4 Start mode 1 (FWD, REV, Stop and RUN) diagram 2：Speed trace starting When the inverter begins running, first it detects the motor 's speed and direction, and then it starts smoothly at the detected speed and direction.
  • Page 56 HV350 Mini Frequency Inverter User Manual Dec-to-stop mode 2 After the inverter receives stop command, it lowers its output frequency and decelerates to stop according to the preset Dec time. During Dec process, when output frequency is equal to the frequency set by P1.06, the inverter starts DC braking according to the DC braking time and voltage defined by P1.07 and P1.08.
  • Page 57 HV350 Mini Frequency Inverter User Manual Fig. 6-5 linear Acc/Dec S curve mode (reserved) In Acc/Dec process, the relationship between output frequency and Acc/Dec time is nonlinear. The output frequency increases or decreases according to the S curve shown in Fig. 6-6. Fig.

  • Page 58: P2 Auxiliary Function Parameters 2

    HV350 Mini Frequency Inverter User Manual P1.14 dynamic braking start voltage Setting range：630～710V Setting the start voltage of dynamic braking. P1.15 Rate of dynamic braking Setting range: 0.0 ~100.0% Define duty cycle of dynamic braking. 0: No dynamic braking 1%~100%: In process of dynamic braking, percentage of valid braking time to carrier cycle, user can modify this value if necessary.
  • Page 59 HV350 Mini Frequency Inverter User Manual P2.06~P2.08 define the jog running parameters, which is shown in Fig. 8-7. In Fig. 6-7, f1 is Jog running frequency (P2.08), t1 is Jog Acc time (P2.06), t3 is Jog Dec time (P2.07), and t2 is the Jog running time. Jog running command can be issued through panel, control terminal or host computer.
  • Page 60 HV350 Mini Frequency Inverter User Manual Freque Termin Termin al 1 Termin al 2 Termin al 3 Termin al 4 P2.24 Jump frequency 1 Setting range: 0～400.0Hz P2.25 Jump frequency 2 Setting range:0～400.0Hz P2.26 Jump frequency 3 Setting range:0～400.0Hz P2.27 Jump frequency range Setting range:0～20.00Hz Jump frequency is set to prevent the output frequency of inverter from meeting the mechanical resonant point of load.
  • Page 61 This function is mainly used to improve system performance, and reduce noise and vibration. Since HV350 series adopts IGBT as power devices, carrier frequency can be higher. Increasing carrier frequency can bring following benefits: better current waveform, lower noise, which is especially suitable for applications that need low noise.

  • Page 62: P3 Motor Parameters

    HV350 Mini Frequency Inverter User Manual P2.31 Zero frequency threshold Setting range: 0~400.0Hz P2.32 Zero frequency hysteresis Setting range: 0~400.0Hz The above two parameters are to set zero frequency hysteresis control. Take analog input AI1 for example, see Fig.6-10: Startup process: When the Run command is issued, only afterAI1 voltage arrives or exceeds VS-b, does the drive start and accelerate to the preset frequency in defined Acc time.
  • Page 63 HV350 Mini Frequency Inverter User Manual P3.01 Motor rated voltage Setting range:0～440V P3.02 Motor rated current Setting range:0.1～999.9A P3.03 Motor rated frequency Setting range:1.00～400.0Hz P3.04 Motor rated speed Setting range: 1~999 rpm Note: In order to ensure motor tuning, please set nameplate parameter of the motor correctly. In order to ensure high control performance, the motor capacity should match that of the drive.

  • Page 64: P4 Dedicatd Function For V/F Control

    P4.01 Base voltage Setting range: 0~440V P4.02 Base frequency Setting range: 10.00~ 400.0Hz Basic V/F characteristic of HV350 series is shown in Fig. 6-12. Base Frequency F is the BASE output frequency corresponding to the rated output voltage U . Its range is 10 to 400Hz.
  • Page 65 HV350 Mini Frequency Inverter User Manual output voltage output Frequency BASE Fig. 6-12 Base voltage and frequency P4.03 Intermediate voltage 1 Setting range:0～P4.04 P4.04 Intermediate voltage 2 Setting range:P4.03～100% (Inverter‘s rated voltage) P4.05 Intermediate frequency 1 Setting range:0~P4.06 P4.06 Intermediate frequency 2 Setting range: P4.05~400.0Hz P4.07 Torque boost Setting range:0～20%(Inverter‘s rated voltage)

  • Page 66: P5 Vector Control Funtion

    HV350 Mini Frequency Inverter User Manual P4.09 AVR function Setting range: 0, 1 0: Disabled; 1: Enabled AVR is auto voltage regulation. When the inverter's input voltage differs with the rated input voltage, the inverter's output voltage can be stablized by adjusting the width of PWM wave. This function is disabled when the output voltage is higher than input voltage.
  • Page 67 HV350 Mini Frequency Inverter User Manual Reference speed Fig. 6-15 Step response with better dynamic performance...
  • Page 68 HV350 Mini Frequency Inverter User Manual Note: a. With improper PI parameters, after accelerating to high speed, over-voltage during Dec process may occur (Without external braking resistor or unit), which is caused by regenerative braking after speed overshoot. To avoid this fault, user can tune PI parameters. b.
  • Page 69 HV350 Mini Frequency Inverter User Manual P5.06 Torque control Setting range:0, 1 This function is reserved. P5.07 Driving torque Setting range:0.0～200.0% (motor‘s rated current) lilmit P5.08 Braking torque Setting range:0.0～200.0%(motor‘s rated current) limit Torque limiting is used to limit output torque current of speed regulator'.

  • Page 70: P6 I/O I/O Output Terminal

    HV350 Mini Frequency Inverter User Manual P6 I/O I/O output terminal FWD/REV running Setting range: 0~3 P6.00 Two-line operation mode 1 0： Running command X1(FWD) Stop X2(REV) Stop Fig. 6-17 Two-line control mode 1 In Fig. 6-17, terminal X1 is defined as running FWD, and X2 is defined as running REV.
  • Page 71 HV350 Mini Frequency Inverter User Manual STOP Running command i=3，4，5，6, Fig. 6-19 Three-wire operation mode 1 Three-wire operation mode X1(FWD) STOP X2(REV) i=3，4，5，6 Fig. 6-20 Three-wire operation mode 2 In Fig.6-19 and 8-20, X1 is defined as running FWD, X2 is defined as running REV, and K is used for selecting running direction;...
  • Page 72 HV350 Mini Frequency Inverter User Manual P6.04 Selecting the function of control terminal X3 Setting range:0～30 P6.05 Selecting the function of control terminal X4 Setting range:0～30 P6.06 Selecting the function of control terminal X5 Setting range:0～30 P6.07 Selecting the function of control terminal X6 Setting range:0～30 P6.08 reserved Setting range:0～30 Control terminals X1~X6 are programmable digital input terminals.
  • Page 73 HV350 Mini Frequency Inverter User Manual Counter reset signal Terminals for selecting Acc/Dec time 2 Normally open terminal for PID dormancy waking up inputting external fault switch between PID positive Normally close terminal for mode and negative mode inputting external fault Emergence stop Frequency increase command...
  • Page 74 HV350 Mini Frequency Inverter User Manual select Acc/ Dec time 1~4, refer to parameter P0.16,P0.17 and P2.00~P2.05 for more details. If this function is not defined, Acc/Dec time 1 will be the default setting except in simple PLC operation mode. 12~13: Normally open terminal for external fault Fault signal of external equipment can be input via the terminal, which is convenient for the drive to monitor the fault of external equipment.
  • Page 75 HV350 Mini Frequency Inverter User Manual potentiometer (P0.09=4 5 OR 6 ) If this terminal is ON, reference signal is decided by settings of VS2. 12. 20: Start traverse operation If the traverse operation is set to manual start, then traverse function is enabled if this function is selected.
  • Page 76 HV350 Mini Frequency Inverter User Manual F0.01 Terminal state Source of control command External terminals Keypad Keypad External terminals This function is enabled during running state. User should pay attention to the drive‘s running status after switching. If the drive is in keypad control mode first, connect the terminal (ON), there are 2 cases: if running command from external terminal is valid, such as FWD terminal is ON in two-wire control mode, then the drive‘s operation state will not change;...
  • Page 77 HV350 Mini Frequency Inverter User Manual 26: Counter trig signal It is the input terminal of the drive‘s internal counter. If the input signal of the terminal changes from ON to OFF, the counting value is increased by 1. 27: Counter reset signal This terminal is used to clear the inverter's internal counter, and is used in conjunction with Function 24 "Counter trig signal".
  • Page 78 HV350 Mini Frequency Inverter User Manual Frequency arriving signal Low voltage lockup signal Frequency detection threshold Overload pre-alarm Frequency detection threshold Drive failure signal High limit frequency arriving Zero speed running Low limit frequency arriving 程序运行阶段完成 Overload signal PG cable broken Over current stall Functions in the table above are described as following: 0: No function is defined by programmable relay output terminal 1, and open...
  • Page 79 HV350 Mini Frequency Inverter User Manual output frequency(Hz FDT level - FDT lag Time（S) Frequency detecting signal Time（S) Fig. 6-21 Frequency detection threshold 1 and 2 7:High limit frequency arriving When the drive‘s output frequency reaches high limit frequency, the terminal outputs indication signal.
  • Page 80 HV350 Mini Frequency Inverter User Manual 13: Preset counting value arriving Set up counting value of the drive‘s internal counter. The drive inputs counting pulses via external terminals Xi (I=1~7), and the drive‘s internal counter counts this signal. When the preset value arrives, Yi outputs an indication signal.
  • Page 81 HV350 Mini Frequency Inverter User Manual According to PD.04~PD.06 overload pre-alarm setup, when the output current is higher than the setting value, the terminal outputs indication signal. 16 17: Drive failure signal When fault occurs, the terminal outputs indication signal 17 18: Zero speed running When the drive‘s running frequency is zero, the terminal outputs indication signal.
  • Page 82 HV350 Mini Frequency Inverter User Manual Output frequency Detection width Time Time Fig.6-24 FAR and FAR detection width P6.12 FDT1 level Setting range: 0.0～400.0Hz P6.13 FDT1 lag Setting range: 0.0～10.00Hz P6.14 FDT2 level Setting range: 0.0～400.0Hz P6.15 FDT2 lag Setting range: 0.0～10.00Hz If output frequency exceeds certain value, the terminal outputs indication signal, and this signal is called FDT level.

  • Page 83: P7 Analog Input Terminal Function

    HV350 Mini Frequency Inverter User Manual This parameter defines positive or negative logic of terminals. RESER Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Note: If bit 0 is set to 0, it means positive logic, and 1 for negative logic. Factory setting of all terminals are positive logic;...
  • Page 84 HV350 Mini Frequency Inverter User Manual P7.07 Frequency corresponding to P7.06 0.00 ~ Maximum frequency P7.08 Maximum AI2 0.0-100.0% P7.09 Frequency corresponding to P7.09 0.00 ~ Maximum frequency Reference signal from external input (AI1, AI2) is filtered and amplified, and then its relationship with frequency setting is shown as curve 1 in Fig.

  • Page 85: P8 Analog Output Terminal

    HV350 Mini Frequency Inverter User Manual output frequency Maximum value corresponding to the frequency (F7.04) Input signal Minimum value Maximum value (F7.01) (F7.03) Minimum value corresponding to the frequency(F7.02) Fig. 6-25 curve 1: relationship between reference and frequency setting output frequency Minimum value corresponding to the frequency(F7.02) Input signal...
  • Page 86 HV350 Mini Frequency Inverter User Manual P8.00/P8.01 Drive state Description Running 0~ highest running frequency/speed frequency/speed Frequency 0~ highest running frequency/speed setting/speed Output current 0~ 2×rated current Output voltage 0~+200% rated voltage Output torque -200%～+200% rated torque current PI reference 0～10V PI feedback 0～10V...

  • Page 87: P9 Program Operating Parameters

    HV350 Mini Frequency Inverter User Manual For example, connect AO1 with a voltage meter (range: 0~5V) to indicate operating frequency, and the range of operating frequency is 0~50Hz (Maximum frequency=50Hz), then F8.00=0(=frequency), F8.02=0(=0V), F8.03=0(0Hz), F8.04=50%(=5V), F8.05=100%(=50Hz). output(F8.00) Corresponding to the minimum value (F8.03) AO1 Output signal...
  • Page 88 HV350 Mini Frequency Inverter User Manual Fig. 6-29 Programming operation P9.00 Programming operation function Setting range:0, 1,2 Single cycle (Stop after a single cycle) Continuous cycle (Continue cycle operation according to setup phase parameters) Maintain the final value (maintain the non-zero operating frequency of last stage after completing one cycle) P9.01 Programming operation time setting unit Setting range...
  • Page 89 HV350 Mini Frequency Inverter User Manual P9.12 Stage timingT11 Setting range：0.0～3600.0 P9.13 Stage timingT12 Setting range：0.0～3600.0 P9.14 Stage timingT13 Setting range：0.0～3600.0 P9.15 Stage timingT14 Setting range：0.0～3600.0 P9.16 Stage timingT15 Setting range：0.0～3600.0 Parameters P9.02~P9.16 are used to set running time of each stage. P9.17 T1Running mode Setting range：0～7 P9.18 T2Running mode...

  • Page 90: Pa Pid Parameter

    HV350 Mini Frequency Inverter User Manual Record function disabled In programming operation state, if user press stop key, counter value of present program will not be recorded. Input running command again, program will run from the first stage. Record function enabled In programming operation state, program will pause when stop key is pressed.
  • Page 91 HV350 Mini Frequency Inverter User Manual Acc/ Frequency Reference Feedback control characteristic Setting range：0、1 PA.00 PID 0: Positive characteristic The Motor speed is required to increases with the reference speed. 1: Negative characteristic The motor speed is required to decrease when the reference value increases. Reference selection Setting range：0、1、2、3 PA.01...
  • Page 92 HV350 Mini Frequency Inverter User Manual be displayed accurately. Proportional gain Setting range:0.0～10.00 PA.08 Integration time Ti Setting range:0.00(no integration)～99.99s PA.09 Integration time Ti Setting range:0.00(no differentiation)～99.99s PA.10 Sample cycle T Setting range:0.00(do not specify T)～99.99s PA.11 Setup parameters of PID regulator Error limit (corresponding to close loop PA.12...

  • Page 93: Pb Traverse Function

    HV350 Mini Frequency Inverter User Manual Delay time of sleeping Setting range：0.0～3600S PA.17 Sleeping frequency Setting range：0.0～400.0Hz PA.18 Delay time of waking Setting range：0.0～60S PA.19 Waking value Setting range：0.0～100%实际值 PA.20 For PID control, parameters PA.17~ PA.20 define delay time of sleeping, sleeping frequency, delay time of waking and waking value.
  • Page 94 HV350 Mini Frequency Inverter User Manual Preset traverse frequency Setting range：0.00~400.0Hz Pb.01 Hold time of preset traverse frequency Setting range：0.0~3600s Pb.02 Pb.01 defines drive‘s operating frequency before entering traverse operation. In auto mode, Pb.02 defines the hold time of preset traverse frequency before traverse operation.

  • Page 95: Pc Communication And Bus Control Function

    HV350 Mini Frequency Inverter User Manual Fig. 6-31 Traverse operation PC Communication and Bus control function Baud rate selection Setting range：0～5 Pc.00 Select baud rate of serial communication 0:1200BPS 1:2400 BPS 2:4800 BPS 3:9600 BPS 4:19200 BPS 5:38400 BPS Pc.01 Data Format Setting range：0～8 Data format of serial communication protocol: （MODBUS）...

  • Page 96: Pd Faults And Protection Parameters

    HV350 Mini Frequency Inverter User Manual l：The parameter is not stored into EEROM in communication. Pd Faults and protection parameters Motor overload protection mode Setting range：0，1，2 Pd.00 No protection Common motor protection Since cooling conditions of common motor deteriorates at low speed, please lower the motor‘s thermal protection threshold at this time.
  • Page 97 HV350 Mini Frequency Inverter User Manual reducing its output frequency. When the detected bus voltage is lower than the point, the Dec running will be restored, as shown in Fig.6-32. DC Bus voltage Stall over voltage point time Output frequency time Fig.
  • Page 98 HV350 Mini Frequency Inverter User Manual Frequency decrease rate during Setting range：0.00-99.99Hz/S Pd.08 Action mode of auto current limiting Setting range：0、1、2 Pd.09 Auto current limiting function is used to limit the load current under the preset current (PD.07) in real time to avoid trip due to over-current. This function is especially useful for the applications of larger load inertia or sharp change of load.

  • Page 99: Pe Factory Reserved

    HV350 Mini Frequency Inverter User Manual When undervoltage occurs during running, fault relay acts and fault code will be saved. When undervoltage occurs during stop state, fault relay does not act, and fault code will not be saved. When undervoltage occurs in running or stopping state, fault relay acts and fault code will be saved.
  • Page 100 HV350 Mini Frequency Inverter User Manual Output torque PI reference 10: PI feedback 11: Analog input AI1 12: Analog input AI2 13: I/O status(0~511) 14: External counting value Inpt/output IO status correspond as blow： relay1 Bit8 Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1...

  • Page 101: Chapter 7 Fault Diagnosis And Troubleshooting

    HV350 Mini Frequency Inverter User Manual IPM heatsink temperature Setting range：0～100℃ PH.04 IPM heatsink temperature Setting range：0～100℃ PH.05 Display IPM heatsink temperature. 1st fault type Setting range： PH.06 2nd fault type Setting range： PH.07 3rd fault type Setting range： PH.08 PH.06~PH.08 are used for memorizing the latest three fault types, and can record the voltage, current, frequency and terminal state at the last fault (in PH.09~PH.13) for checking.

  • Page 102: List Of Fault And Alarm Information

    HV350 Mini Frequency Inverter User Manual about the failure, such as output frequency, frequency setting, output current, rotating direction, operating condition, and the 3 latest faults, which is shown in the table below. Fault code Display content Description PH.06 1st fault type PH.07...
  • Page 103 HV350 Mini Frequency Inverter User Manual Failur Failure Failure description Potential causes Solutions e No code Replace to inverter with proper Power level of inverter is small model Decrease load’s abrupt frequency Sudden change of load during operation change and amplitude Over current Improper setting...
  • Page 104 HV350 Mini Frequency Inverter User Manual Failur Failure Failure description Potential causes Solutions e No code protection Prevent the motor rotation from Motor rotation is blocked or load blocking and reduce the load mutation occurs mutation Common motor maintains running Replace the common motor with under heavy load for a long period of variable...

  • Page 105: Troubleshooting Procedures

    HV350 Mini Frequency Inverter User Manual Failur Failure Failure description Potential causes Solutions e No code Modify setting Analog close loop Improper setting parameter group; feedback failure parameter group; ER06 . Check feedback signal. Analog close loop Feedback signal lost feedback failure Improper setting...
  • Page 106 HV350 Mini Frequency Inverter User Manual START Please shut down the power supply immediately to avoid further expansion of the fault Serious fault occurs, such as abnormal sound upon power up and no display Seek for technical help Identify the fault code per 4.4.4" Common Characters Displayed by LED"...

  • Page 107: Chapter 8 Routine Repair And Maintenance

    HV350 Mini Frequency Inverter User Manual Chapter 8 Routine Repair and Maintenance The application environment (such as temperature, humidity, dust and powder, wool, smoke and oscillation), burning and wearing of internal devices and other factors may increase the possibilities of inverter failure.

  • Page 108: Periodic Maintenance

    HV350 Mini Frequency Inverter User Manual Item Inspection Contents Inspection Means Criteria Sound Listen There is no abnormal sound. Vibration Special test instrument There is no abnormal oscillation. 8.2 Periodic Maintenance It needs to perform periodic inspection on the inverter once every three to six months according to the application environment and work conditions.

  • Page 109: Appendix A Communication Protocol

    HV350 Mini Frequency Inverter User Manual Appendix A Communication Protocol 1.Application range Universal Variable Speed Drive connects with PLC or host computer via RS485 bus, which adopts single master and multi-slave network structure. 2. Physical description Interface: RS485 Bus, asynchronous, half-duplex Each segment on the network bus can have up to 32 stations.
  • Page 110 HV350 Mini Frequency Inverter User Manual etc. b. Operation monitor: Running frequency, frequency setting, output voltage, output current, close loop feedback, close loop reference, etc. c. Operation of function code: Read and write value of function code, which includes: Present running frequency, present frequency setting, output voltage, current, close loop feedback, close loop reference, etc.
  • Page 111 HV350 Mini Frequency Inverter User Manual =0，forward jog stop bit3 =1，reverse jog start =0，reverse jog stop bit4 0-》1，Fault reset command bit5 reserved bit6 =1，free stop command =0，no command bit7 =1，decrease stop command =0，no command BYTE8 reserved End byte A0H，one byte Xor form BYTE1 to BYTE9 Xor check A message from the inverter to the computer...
  • Page 112 HV350 Mini Frequency Inverter User Manual bit2 =1，inverter running =0，inverter stop bit3 =1，data valid =0，data invalid bit4 =1，RS485 frequency setting =0，loacl frequency setting BYTE8 is the error code End byte A0H，one byte Xor form BYTE1 to BYTE9 Xor check 3．2 Application note 1．The OP,DT,ST,CON in communication protocol are two bytes.
  • Page 113 HV350 Mini Frequency Inverter User Manual 4. MODBUS Protocol 4.1 Character format 1. ASCII Communication adopts hexadecimal system, and the valid ASCII characters are: “0”…“9” ， “A‖…“F‖, which is expressed in hexadecimal format. Such as: ASCII character: ‘0’ ‘1’ ‘2’ ‘3’ ‘4’ ‘5’ ‘6’ ‘7’ ‘8’ ‘9’...
  • Page 114 HV350 Mini Frequency Inverter User Manual 4.2 Function code Function code Description Read data Modify data Loop detection 2．Function code description （1）Read data Frame head and frame tail are used to ensure input time (without any information) larger than 10ms. Each time, reading data should be less than 30 bytes. Message format of master request: Slave Function...
  • Page 115 HV350 Mini Frequency Inverter User Manual Slave Function Start address of Modified Redundancy address code data value check 1 byte (3) Loop detection The command is used to test whether communication between main control equipment (usually PC or PLC) and the drive is normal. After receiving data content, the drive will return it to main control equipment without any modifying.
  • Page 116 HV350 Mini Frequency Inverter User Manual Message format of slave response: Frame Function Data Modified Frame Slave address head code address value tail ‗:‘ ‗0‘ ‗6‘ 4 3 2 1 4 3 2 1 MSB 3．Examples (1) Function code 03H: Read parameter data ASCII mode: Format of query message: Format of response message:...
  • Page 117 HV350 Mini Frequency Inverter User Manual RTU mode: Format of query message: Format of response message: Slave address Slave address Function code Function code Data address Data address Data quantity Data content (Word) Low byte CRC Low byte CRC High byte CRC B2H High byte CRC A0H (2) Function code 06H: Write parameter data ASCII mode:...
  • Page 118 HV350 Mini Frequency Inverter User Manual ‗1‘ ‗1‘ RTU mode: Format of query message: Format of response message: Slave address Slave address Function code Function code Data address Data address Modified value Modified value Low byte CRC Low byte CRC High byte CRC 22H High byte CRC 22H (3) Function code 08H: loop detection...
  • Page 119 HV350 Mini Frequency Inverter User Manual ‗2‘ ‗2‘ ‗A‘ ‗A‘ ‗B‘ ‗B‘ ‗3‘ ‗3‘ ‗A‘ ‗A‘ RTU mode: Format of query message: Format of response message: Slave address Slave address Function code Function code Sub-function code 00H Sub-function code 00H Data content Data content Low byte CRC...
  • Page 120 HV350 Mini Frequency Inverter User Manual =0, Local frequency setting Bit5 =1, RS485 running control =0, Local running control 2. Information of control word (2 bytes) (1002H) Bit0 =1, Running command =0, No running command Bit1 =1, FWD =0, REV Bit2 =1, Jog FWD =0, Jog FWD and stop...
  • Page 121 HV350 Mini Frequency Inverter User Manual 3. Parameter address Addres Name Addres Name Addres Name 1000H Status word 1001H Errorcode 1002 H Control word 1003H Frequency setting 1004H Running 1005H Output current frequency 1006H Output voltage 1007H DC bus voltage 1008H Overload rate 1009H...
  • Page 122 HV350 Mini Frequency Inverter User Manual 06H or 08H. 02 Invalid data address: Data address is invalid 03 Invalid data setting Data value is invalid. 04 Invalid command: In current state, the drive can not execute this command. 09 Wrong CRC check 11 Reserved 12 Message characters of the command string is too short 13 Command string is too long, and reading string should be less than 72...

  • Page 123: Appendix B Control Mode Setting Process

    HV350 Mini Frequency Inverter User Manual Step 3: Shift the CRC register one bit to the right (toward the LSB), and fill the MSB with 0; Step 4: If the shifted bit is 0, save the new value of step 3 to CRC register; otherwise, execute XOR operation with A001H and CRC register, and save the result in CRC register;...
  • Page 124 HV350 Mini Frequency Inverter User Manual Twisted pair with shielded GND 485+ 485- Converter RS232-485 RS232 cable Maximum 15 meters Computer Site No.1 Appendix Fig.1 A inverter connected to a computer  Several inverters connected to a computer With shielded twisted pair GND 485+ 485- GND 485+ 485- GND 485+ 485-...
  • Page 125 Version: 1.0.01 Thanks for choosing HNC product. Any technique support, PLS feel free to contact our support team Tel: 86(20)84898493 Fax: 86(20)61082610 URL: www.hncelectric.com Email: support@hncelectric.com...

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