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Vicruns VD120 Series Manual

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Preface
Thank you for purchasing VD120 Series Inverters!
Unpacking and Inspection:
Every inverter has been inspected rigorously before shipping.
Please confirm carefully when unpacking the packing carton:
● Check if any damage signs of the product and its package.
● Check if the model and inverter rated values on the nameplate are the same as stated on your order
and user manual.
● The box contains the inverter, manufacturer certificate, user manual.
If the product is damaged during transportation, or there is any omission or damage, please contact
our company or your local supplier immediately.

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Summary of Contents for Vicruns VD120 Series

  • Page 1 Preface Thank you for purchasing VD120 Series Inverters! Unpacking and Inspection: Every inverter has been inspected rigorously before shipping. Please confirm carefully when unpacking the packing carton: ● Check if any damage signs of the product and its package. ● Check if the model and inverter rated values on the nameplate are the same as stated on your order and user manual.

  • Page 3: Table Of Contents

    Contents Chapter 1 Safety and Precautions ............- 1 - 1.1 Safety Precautions ..............- 1 - Chapter 2 Product Information ............- 3 - 2.1 Designation Rules ..............- 3 - 2.2 Nameplate..............- 3 - 2.3 Inverter Series ..............- 3 - 2.4 Product Appearances and Installation Dimension ........- 4 - 2.5 Recommended Brake Resistor Selection Table ........- 7 - 2.6 Warranty Introduction............- 7 - Chapter 3 Mechanical and Electrical Installation ........- 8 -...

  • Page 4: Table Of Contents

    Chapter 9 Communication Protocol ..........- 158 - 9.1 About Protocol ............... - 158 - 9.2 Application Methods............- 158 - 9.3 Bus Structure ..............- 158 - 9.4 Protocol Description............- 158 - 9.5 Communication Frame Structure ..........- 158 - 9.6 Command Code and Communication Data Description ......

  • Page 5: Chapter 1 Safety And Precautions

    VD120 Series Inverter User Manual Safety and Precautions Chapter 1 Safety and Precautions 1.1 Safety Precautions 1.1.1 At Wiring ● Wiring must be performed only by qualified personnel under instructions described in this manual. Failure to comply may result in unexpected accidents.
  • Page 6 Safety and Precautions VD120 Series Inverter User Manual 1.1.4 During Operation ● Do not touch the cooling fan or braking resistor etc, otherwise may cause personal injury! ● Do not do inspection while inverter run, except for professional technician, otherwise may cause inverter damaged or personal injury.

  • Page 7: Chapter 2 Product Information

    VD120 Series Inverter User Manual Product Information Chapter 2 Product Information 2.1 Designation Rules Fig 2.1-1 Designation Rules 2.2 Nameplate Fig 2.2-1 Namepate ● The bar code on inverter nameplate is the only code to recognize its identity, so the bar code is the most important basis for the after sales service.

  • Page 8: Product Appearances And Installation Dimension

    Product Information VD120 Series Inverter User Manual Power Rated Input Rated Output Adaptable Motor Model No. Capacity Current Current (KW) (HP) (KVA) Three-phase power supply: 220V,50/60Hz Range: -15%~20% VD120-2T-0.4GB VD120-2T-0.7GB VD120-2T-1.5GB VD120-2T-2.2GB 10.5 VD120-2T-4.0GB 14.6 13.0 Three-phase power supply: 380V,50/60Hz Range: -15%~20% VD120-4T-0.4GB...
  • Page 9 VD120 Series Inverter User Manual Product Information Adaptive mode(wall mounting type, three phase 380V: 3kW-7.5kW/three phase 220V: 2.2kW~4.0kW/single phase 220V:2.2kW) Fig 2.4-1 Schematic diagram of product appearance and installation dimensions Schematic diagram of keyboard size Schematic diagram of tray size Fig 2.4-2 External lead keyboard and tray size (mm)
  • Page 10 Product Information VD120 Series Inverter User Manual Keyboard mounting hole size Keyboard mounting hole size when without external lead when without external lead Table 2-2 Physical Dimensions and Installation Hole(mm) Mounting Physical Dimensions Dieameter of Weight Hole (mm) (mm) Model...

  • Page 11: Recommended Brake Resistor Selection Table

    VD120 Series Inverter User Manual Product Information 2.5 Recommended Brake Resistor Selection Table Table 2-3 Recommended brake resistor selection table Single phase, 220V Three phase, 380V Model Resistor Power Model Resistor Power VD120-2S-0.4GB ≥200Ω VD120-4T-0.4GB ≥300Ω 150W VD120-2S-0.7GB ≥150Ω VD120-4T-0.7GB ≥300Ω...

  • Page 12: Chapter 3 Mechanical And Electrical Installation

    Mechanical and Electrical Installation VD120 Series Inverter User Manual Chapter 3 Mechanical and Electrical Installation 3.1 Standard Wiring Diagram Brake unit L1/R Input power L2/S L3/T FWD/Stop DO1 output REV/Stop DI terminal +24V Coast to stop Fault reset Relay T output...

  • Page 13: Control Circuit Terminal

    Voltage positive and negative terminals on DC side Grounding terminal ● The voltage class of VD120 series inverter 3phase power has two grades: 220V, 380V, before connecting power, please make sure the power class on inverter nameplate is the same with the accessing power.
  • Page 14 Mechanical and Electrical Installation VD120 Series Inverter User Manual 3.3.2 Function Description of Control Circuit Terminal Table 3-1 Function description of control circuit terminal Terminal Terminal Type Function Sign Name Provide 10V power supply for external-units. 10V power It is generally used as the external...
  • Page 15 VD120 Series Inverter User Manual Mechanical and Electrical Installation Relay T1 normally T1/A-T1/B closed terminal Contact driving capacity: Relay Output AC250V, 3A; DC30V, 5A Relay T1 normally T1/A-T1/C open terminal Used to control cable shield grounding, when the interference is big on site or...

  • Page 16: Chapter 4 Operation And Display

    Operation and Display VD120 Series Inverter User Manual Chapter 4 Operation and Display 4.1 Introduction to Operation and Display Interface With the operation panel, it can perform such operations on the inverter as function parameter modification, inverter working status monitoring and inverter run control (startup and stop).
  • Page 17 VD120 Series Inverter User Manual Operation and Display This key is used to operate on the inverter in key operation Run key mode This key is used to stop in running state and it is limited by Stop/Reset key function code F7-01...

  • Page 18: Chapter 5 Function Parameter Table

    Function Parameter Table VD120 Series Inverter User Manual Chapter 5 Function Parameter Table The symbols in the function table are described as follows: ○——It indicates that the parameter setup value can be modified when the inverter is in run state;...
  • Page 19 VD120 Series Inverter User Manual Function Parameter Table Unit’s digit: frequency source selection 0: Main frequency source A 1: Main auxiliary operation result (operational relationship is determined by ten bits) 2: Main frequency source A switching with auxiliary frequency source B...
  • Page 20 Function Parameter Table VD120 Series Inverter User Manual Frequency ○ Upper Limit F0-13 0.00Hz~max frequency F0-10 0.00Hz Offset Frequency ○ F0-14 0.00Hz~frequency upper limit F0-12 0.00Hz Lower Limit Frequency ● F0-15 Command 2: 0.01Hz Resolution Frequency Command 0: Running frequency ◎...
  • Page 21 VD120 Series Inverter User Manual Function Parameter Table command binding frequency source selection Thousand’s digit: Automatic operation command binding frequency source selection Communicatio ● F0-23 n Protocol 0: Modbus Selection F1 Start/Stop Control Group Function Parameter Factory Setting Range Property...
  • Page 22 Function Parameter Table VD120 Series Inverter User Manual Waiting Time of ○ Stop DC F1-10 0.0s~100.0s 0.0s Braking Stop DC ○ F1-11 Braking 0%~100% Current Stop DC ○ F1-12 0.0s~100.0s 0.0s Braking Time Stop ○ F1-13 0.00Hz~max frequency 0.50Hz Frequency Stop ○...
  • Page 23 VD120 Series Inverter User Manual Function Parameter Table 0: The whole is valid 1: Only overpressure stall enable Over-excitation effectively ◎ Effective F1-24 2: Only deceleration process Range effectively 3: The whole is invalid Over-excitation ○ F1-25 0~200 Gain Over-excitation ○...
  • Page 24 Function Parameter Table VD120 Series Inverter User Manual Asynchronous Tune ◎ Motor Rotor F2-07 0.001Ω~65.535Ω parameter Resistance Asynchronous Motor Leakage Tune ◎ F2-08 0.01mH ~655.35mH Inductive parameter Reactance Asynchronous Motor Mutual Tune ◎ F2-09 0.1mH~6553.5mH Inductive parameter Reactance Asynchronous Tune ◎...
  • Page 25 VD120 Series Inverter User Manual Function Parameter Table 0: Encode F3-10 setting 1: AI1 2: AI2 3: AI3 Motor Torque 4: PULSE setting ○ F3-09 Upper Limit 5: Communication setting Source 6: MIN (AI1, AI2) 7: MAX (AI1, AI2) The full scale of options 1~7...
  • Page 26 Function Parameter Table VD120 Series Inverter User Manual Max Weak ◎ Magnetic F3-20 1%~300% Current Weak Magnetic ○ F3-21 Automatic Gain 10%~500% 100% Adjustment Weak Magnetic ○ F3-22 Integral 2~10 Multiples Torque Boost ○ F3-23 0.0%~60.0% 10.0% Coefficient Torque Boost ◎...
  • Page 27 VD120 Series Inverter User Manual Function Parameter Table MS V/F ◎ Frequency F4-04 0.00Hz~F4-06 0.00Hz Point 1 MS V/F ◎ F4-05 0.0%~100.0% 0.0% Voltage Point 1 MS VF ◎ F4-06 Frequency F4-04~F4-08 0.00Hz Point 2 MS V/F ◎ F4-07 0.0%~100.0% 0.0%...
  • Page 28 Function Parameter Table VD120 Series Inverter User Manual F5 Input Terminal Function Parameter Factory Setting Range Property Code Name Default Value 0: Two-line mode 1 1: Two-line mode 2 Terminal 2: Three-line mode 1 ◎ F5-00 Command 3: Three-line mode 2...
  • Page 29 VD120 Series Inverter User Manual Function Parameter Table 26: Immediate DC braking 27: Deceleration DC braking 28: External stop terminal 1 (Only effective for keypad control) 29: External stop terminal 2 (According to the deceleration time 4) 30: Emergency stop...
  • Page 30 Function Parameter Table VD120 Series Inverter User Manual DI1 Close ◎ F5-13 0.0s~3600.0s 0.0s Delay Time DI2 Close ◎ F5-14 0.0s~3600.0s 0.0s Delay Time DI3 Close ◎ F5-15 0.0s~3600.0s 0.0s Delay Time DI1 Open ◎ F5-16 0.0s~3600.0s 0.0s Delay Time DI2 Open ◎...
  • Page 31 VD120 Series Inverter User Manual Function Parameter Table AI Curve 2 Min ○ F5-27 -10.00V~F5-29 0.00V Input Corresponding Setting of AI ○ F5-28 -100.0%~+100.0% 0.0% Curve 2 Min Input AI Curve 2 Max ○ F5-29 F5-27~+10.00V 10.00V Input Corresponding Setting of AI ○...
  • Page 32 Function Parameter Table VD120 Series Inverter User Manual Code Name Default Value DO1 Terminals 0: HDO1 pulse output (optional) ○ F6-00 Output Mode 1: Switch output Selection DO1 Output 0: No output Terminals 1: Inverter in running ○ F6-01 Function...
  • Page 33 VD120 Series Inverter User Manual Function Parameter Table reached 32: Timing reached output 33: PLC circulation output 34: Frequency limit 35: Torque limit 36: Reverse running 37: AI1 input limit 38: Reserved 39: Communication setting 40: Reserved 41: Timing braking (power on...
  • Page 34 Function Parameter Table VD120 Series Inverter User Manual HDO1 Output ○ F6-15 0.01kHz~100.00kHz 50.00kHz Max Frequency AO1 Output ○ F6-16 Voltage Lower 0.00V~10.00V 0.00V Limit Corresponding Setting Value ○ of AO1 Output F6-17 0.0%~F6-19 0.0% Voltage Lower Limit AO1 Output ○...
  • Page 35 VD120 Series Inverter User Manual Function Parameter Table 0000~0xFFFF Bit00: Running frequency 1 (Hz) Bit01: Setting frequency (Hz) Bit02: Bus voltage (V) Bit03: Output voltage (V) Bit04: Output current (A) Bit05: Output power (kW) Bit06: Output torque (%) LED Running ○...
  • Page 36 Function Parameter Table VD120 Series Inverter User Manual Bit06: Reserved Bit07: Count value Bit08: Length value Bit09: PLC stage Bit10: Load speed Bit11: PID setting Bit12: Pulse input frequency (kHz) Bit13: Set torque (0.1%) The Second 0~15 corresponding bit0~bit15 of...
  • Page 37 VD120 Series Inverter User Manual Function Parameter Table Overvoltage 380VAC: 700.0VDC ○ F8-09 Stall Protection 100.0VDC~800.0VDC 220VAC: 370.0VDC voltage Over current 0: Disabled ○ F8-10 Stall Proportion 1~1000 Gain Over current ○ F8-11 Stall Integral 0~1000 Gain Over current ○...
  • Page 38 Function Parameter Table VD120 Series Inverter User Manual Voltage Judgment 60.0%~100.0% (Standard bus ○ F8-27 Value Upon 80.0% voltage) Instantaneous Power Failure Maximum 0: No limit Change of V/F ○ F8-28 Over Voltage 1~30000 Stall F9 Fault Record and Setting...
  • Page 39 VD120 Series Inverter User Manual Function Parameter Table 25: Reserved 26: Reserved 27: Running time reached 28: Power-on time reached 29: Buffer contactor overhearting 30~34: Reserved 35: User-defined fault 1 36: User-defined fault 2 37: Offload 38: Fast current-limiting timeout...
  • Page 40 Function Parameter Table VD120 Series Inverter User Manual Second Time Fault Current Upon ● F9-14 the Second Time Fault Bus Voltage Upon the ● F9-15 Second Time Fault Input Terminal State Upon the ● F9-16 Second Time Fault Output Terminal State ●...
  • Page 41 VD120 Series Inverter User Manual Function Parameter Table Upon the First Time Fault Power on Time ● F9-29 Upon the First Time Fault Running Time ● F9-30 Upon the First Time Fault Fault ○ F9-33 Automatic 0~20 Reset Times Fault Automatic ○...
  • Page 42 Function Parameter Table VD120 Series Inverter User Manual Protection Ten’s digit: parameter read-write Action abnormal (21) Selection 2 0: Coast to stop 1: Stop according to stop mode 2: Continue to run Hundred’s digit: running time reached (27) 0: Coast to stop...
  • Page 43 VD120 Series Inverter User Manual Function Parameter Table Hundred’s digit: reserved Thousand’s digit: reserved Ten thousand’s digit: reserved 0: Run to the current running frequency Continue 1: Run at set frequency Running ○ F9-40 Frequency 2: Run at frequency upper limit...
  • Page 44 Function Parameter Table VD120 Series Inverter User Manual Time Td1 PID Reverse ○ FA-08 Cut-off 0.00Hz~max frequency 0.00Hz Frequency PID Deviation ○ FA-09 0.0%~100.0% 0.0% Limit PID Differential ○ FA-10 0.00%~100.00% 0.10% Limiting PID Given ○ FA-11 0.00s~650.00s 0.00s Change Time PID Feedback ○...
  • Page 45 VD120 Series Inverter User Manual Function Parameter Table Value Unit’s digit: integral separation 0: Disabled 1: Enabled PID Integral ○ FA-25 0x00 Ten’s digit: whether stop integral after Property output the limit 0: Continue integral 1: Stop integral PID Feedback 0.0%: Don’t judge feedback lost...
  • Page 46 Function Parameter Table VD120 Series Inverter User Manual Acceleration Model ○ Fb-07 0.0s~6500.0s Time 4 dependent Deceleration Model ○ Fb-08 0.0s~6500.0s Time 4 dependent Emergency ○ Fb-09 0.0s~6500.0s 10.0s Stop Time Acceleration Time 1 and time 2 ○ Fb-10 0.00Hz~max frequency 0.00Hz...
  • Page 47 VD120 Series Inverter User Manual Function Parameter Table Frequency Reached ○ Fb-20 0.0%~100.0% (max frequency) 0.0% Detection Amplitude Any Frequency Reaching ○ Fb-21 0.00Hz~max frequency 50.00Hz Detection Value 1 Any Frequency Reaching ○ Fb-22 0.0%~100.0% (max frequency) 0.0% Detection Amplitude 1...
  • Page 48 Function Parameter Table VD120 Series Inverter User Manual Accumulative Power-on ○ Fb-34 0h~65000h Reached Time Setting Accumulative Running ○ Fb-35 0h~65000h Reached Time Setting Timing 0: Disabled ○ Fb-36 Function 1: Enabled Selection 0: Fb-38 setting Timed Running 1: AI1 ○...
  • Page 49 VD120 Series Inverter User Manual Function Parameter Table Setting Method 1: Relative to max frequency Swing ○ Fb-52 Frequency 0.0%~100.0% 0.0% Amplitude Jumping ○ Fb-53 Frequency 0.0%~50.0% 0.0% Amplitude Swing ○ Fb-54 Frequency 0.1s~3000.0s 10.0s Cycle Triangular Wave of Swing ○...
  • Page 50 Function Parameter Table VD120 Series Inverter User Manual Multi-reference ○ FC-09 -100.0%~100.0% 0.0% Multi-reference ○ FC-10 -100.0%~100.0% 0.0% Multi-reference ○ FC-11 -100.0%~100.0% 0.0% Multi-reference ○ FC-12 -100.0%~100.0% 0.0% Multi-reference ○ FC-13 -100.0%~100.0% 0.0% Multi-reference ○ FC-14 -100.0%~100.0% 0.0% Multi-reference ○...
  • Page 51 VD120 Series Inverter User Manual Function Parameter Table Acceleration/D eceleration ○ FC-23 Time Selection of Simple PLC Reference 2 Run Time of ○ FC-24 Simple PLC 0.0s (h)~6553.5s (h) 0.0s (h) Reference 3 Acceleration/D eceleration ○ FC-25 Time Selection of Simple PLC...
  • Page 52 Function Parameter Table VD120 Series Inverter User Manual Acceleration/D eceleration ○ FC-35 Time Selection of Simple PLC Reference 8 Run Time of ○ FC-36 Simple PLC 0.0s (h)~6553.5s (h) 0.0s (h) Reference 9 Acceleration/D eceleration ○ FC-37 Time Selection of Simple PLC...
  • Page 53 VD120 Series Inverter User Manual Function Parameter Table Acceleration/D eceleration ○ FC-47 Time Selection of Simple PLC Reference 14 Run Time of ○ FC-48 Simple PLC 0.0s (h)~6553.5s (h) 0.0s (h) Reference 15 Acceleration/D eceleration ○ FC-49 Time Selection of Simple PLC...
  • Page 54 Function Parameter Table VD120 Series Inverter User Manual 0: No verify (8-N-2) 1: Even verify (8-E-1) ○ Fd-01 Data Format 2: Odd verify (8-O-1) 3: 8-N-1 0: is broadcast address ○ Fd-02 Local Address 1~247: slave address Response ○ Fd-03...
  • Page 55 VD120 Series Inverter User Manual Function Parameter Table 1: Display Factory ● FF-06 Product Code 0~65535 Setting Software Factory ● FF-07 1.00~10.00 Versioning Setting Factory ● FF-08 Inverter Model Setting Date of Factory ● FF-09 Production 0~9999 Setting (Year/Month) Date of Factory ●...
  • Page 56 Function Parameter Table VD120 Series Inverter User Manual 5: Communication setting 6: Reserved 7: Reserved 8: Keypad Potentiometer (the full scale of option 1~7 corresponding digital setting of A0-02) Torque Digital Setting under ○ A0-02 -200.0%~2000% 100.0% the Torque Control Mode...
  • Page 57 VD120 Series Inverter User Manual Function Parameter Table under the Torque Control (only effective to SVC) Low Frequency Torque ○ A0-11 0.0%~50.0% 0.0% Compensation Amount Low Frequency Torque ○ A0-12 Compensation 0.00Hz~Max frequency 10.00Hz Frequency Upper Limit High Frequency ○...
  • Page 58 Function Parameter Table VD120 Series Inverter User Manual Frequency Lowest Resolution 0.00: Not limit ○ A0-20 Frequency 1.00Hz 0.01Hz~2.00Hz (only effective to SVC) Disconnection 0.0: Disconnection is invalid ○ A0-21 Detection 0.1~60.0s Time A1 Optimize Control Parameter Function Parameter Factory...
  • Page 59 VD120 Series Inverter User Manual Function Parameter Table 0: Optimize 0 SVC Optimize ◎ A1-08 1: Optimize 1 Mode Selection 2: Optimize 2 Dead Zone ◎ A1-09 Time 100%~200% 150% Adjustment ○ A1-10 Droop Control 0.00Hz~10.00Hz 0.00Hz 0: Fan operation in runtime Cooling Fan ◎...
  • Page 60 Function Parameter Table VD120 Series Inverter User Manual ○ b0-16 User Code 16 FF-06 ○ b0-17 User Code 17 FF-06 ○ b0-18 User Code 18 FF-06 ○ b0-19 User Code 19 FF-06 ○ b0-20 User Code 20 FF-06 ○ b0-21...
  • Page 61 VD120 Series Inverter User Manual Function Parameter Table Unit’s digit: virtual VDI1 0: By virtual VDOx state to decide VDI is valid or not 1: By code b1-06 setting VDI is valid or not Virtual VDI Ten’s digit: virtual VDI2, same as ◎...
  • Page 62 Function Parameter Table VD120 Series Inverter User Manual 0: Short circuit with physical DIX Virtual VDO2 internal Output ○ b1-12 Function 1~43: see the F6 group physical DO Selection output selection 0: Short circuit with physical DIX Virtual VDO3 internal Output ○...
  • Page 63 VD120 Series Inverter User Manual Function Parameter Table Delay VDO4 ○ b1-25 Disconnection 0.0s~3600.0s 0.0s Delay VDO5 ○ b1-26 Disconnection 0.0s~3600.0s 0.0s Delay b2 AI Curve Setting Function Parameter Factory Setting Range Property Code Name Default Value AI Curve 4 Min ○...
  • Page 64 Function Parameter Table VD120 Series Inverter User Manual AI Curve 5 ○ Inflection Point b2-10 b2-08~b2-12 -3.00V 1 Input Corresponding Setting of AI ○ b2-11 Curve 5 -100.0%~+100.0% -30.0% Inflection Point 1 Input AI Curve 5 ○ b2-12 Inflection Point b2-10~b2-14 3.00V...
  • Page 65 VD120 Series Inverter User Manual Function Parameter Table AO1 Measured Factory ○ b3-13 0.500V～4.000V Voltage 1 Correction AO1 Target Factory ○ b3-14 6.000V～9.999V Voltage 2 Correction AO1 Measured Factory ○ b3-15 6.000V～9.999V Voltage 2 Correction U0 Basic Monitoring Parameters Function...
  • Page 66 Function Parameter Table VD120 Series Inverter User Manual Frequency (kHz) Feedback ● U0-19 0.1Hz Speed (0.1Hz) ● U0-20 Setting Torque 0.1% AI1 Voltage ● U0-21 before 0.001V Correction ● U0-22 Reserved ● U0-23 Reserved ● U0-24 Line Speed 1m/Min Current Power ●...
  • Page 67 VD120 Series Inverter User Manual Function Parameter Table VF Separation ● U0-40 Output Voltage Visual Display ● U0-41 DI Input State Visual Display ● U0-42 DO Input State Visual Display DI Function ● U0-43 State 1 (Function 01~40) Visual Display DI Function ●...

  • Page 68: Chapter 6 Parameter Description

    Parameter Description VD120 Series Inverter User Manual Chapter 6 Parameter Description F0 Basic Function 0: V/F control ◎ F0-00 Motor Control Mode 1: SVC 0: V/F control mode: Suitable for load demand is not high, or a frequency inverter drive multi-motors application, such as fan and pump load.
  • Page 69 VD120 Series Inverter User Manual Parameter Description Set the initial value of frequency F0-09 (preset frequency) value. Can bring through a keyboard keys ▲and▼(or multi-function input terminal of the UP/DOWN) to change the set frequency value of the frequency inverter.
  • Page 70 Parameter Description VD120 Series Inverter User Manual related parameters. 9: Communication setting Refers to the main frequency source by the HC is given by way of communication. VD120 support Modbus communication mode. Modbus communication is standard, the other two kinds of communication card is optional, the user to select according to need, and need to set the parameters F0-23 (communication extension card type) correctly.
  • Page 71 VD120 Series Inverter User Manual Parameter Description 0: main frequency source A Main frequency A as the target frequency. 1: Main and auxiliary operation result Main and auxiliary operation result as the target frequency, the main and auxiliary operation relationship please see the “ten’s digit” instruction of this function code.
  • Page 72 Parameter Description VD120 Series Inverter User Manual Auxiliary Frequency ○ F0-08 0.00Hz~max frequency F0-10 0.00Hz Source Offset Frequency when Superimposed This function code is only valid at the time of frequency source selection of the main and auxiliary operation. When the frequency source is main and auxiliary operation, F0-08 as offset frequency, and with main and auxiliary operation result superimposed as the final frequency set value, make the frequency set can be more flexible.
  • Page 73 VD120 Series Inverter User Manual Parameter Description The parameter used to determine all the resolution of the function code associated with the frequency. When frequency resolution is 0.01Hz, the maximum output frequency of VD120 is 600.00Hz. Frequency Command 0: Running frequency ◎...
  • Page 74 Parameter Description VD120 Series Inverter User Manual 0: 1s Acceleration/Decel ◎ F0-20 1: 0.1s eration Time Unit 2: 0.01s To meet the need of all kinds of scene, VD120 provides three kinds of acceleration/deceleration time units, is 1 seconds, 0.1 seconds and 0.01 seconds respectively.

  • Page 75: F1 Start/Stop Control Group

    VD120 Series Inverter User Manual Parameter Description F1 Start/Stop Control Group 0: Direct start ○ F1-00 Start Mode 1: Speed tracking restart 2: Pre excitation start (AC asynchronous ) 0: direct start If start dc braking time is set to 0, the frequency inverter starting run from start frequency.
  • Page 76 Parameter Description VD120 Series Inverter User Manual Starting DC Braking ◎ F1-03 Current/ Pre-excitation 0%~100% Current Starting DC Braking Time ◎ F1-04 0.0s~100.0s 0.0s / Pre-excitation Time Start the dc braking, generally used to make the running motor restart after stop. Pre excitation is used to make the asynchronous motor build magnetic field first then restart, improve the response speed.
  • Page 77 VD120 Series Inverter User Manual Parameter Description ○ F1-12 Stop DC Braking Time 0.0s~100.0s 0.0s Initial frequency of stop dc braking: in the process of deceleration, when reduce the running frequency to the frequency, began to dc braking process. Waiting time of stop dc braking: when reduce the running frequency to initial frequency of stop dc braking, frequency inverter output to stop for a period of time, and then began to dc braking process.
  • Page 78 Parameter Description VD120 Series Inverter User Manual Disabled: when terminal run command has maintained, inverter will not autostart after power on self-inspection normal, only start when run command given again after disconnecting. Operation Mode of Set 0: Running with frequency lower limit Frequency is Lower than ○...
  • Page 79 VD120 Series Inverter User Manual Parameter Description Output frequency(Hz) Forward Reverse Dead-zone time Fig 6-3 Schematic diagram of forward/reverse dead-zoen time 0: Disabled Dynamic Braking ○ F1-22 Enable 1: Enabled ○ F1-23 Braking Usage Rate 0%~100% 100% Only be effective for the inverter that built-in braking unit.
  • Page 80 Parameter Description VD120 Series Inverter User Manual Output frequency increase or decrease according to the S curve. S curve is used in the pace with gentle start or stop demand, such as elevator, conveyor belt, etc. Function code F1-28 and F1-29 respectively defined the time scale of inertial stage and finish stage of S curve acceleration/deceleration.

  • Page 81: F2 Motor 1 Parameter

    VD120 Series Inverter User Manual Parameter Description Output frequency(Hz) Set frequency(f) Rated frequency(f Time(t) S curve acceleration/deceleration B diagram Fig 6-4 S curve acceleration/deceleration diagram F2 Motor 1 Parameter 0: Ordinary asynchronous motor ◎ F2-00 Motor Type Selection 1: Frequency conversion...
  • Page 82 Parameter Description VD120 Series Inverter User Manual Asynchronous Motor Tune ◎ Mutual Inductive F2-09 0.1mH~6553.5mH parameter Reactance Asynchronous Motor Tune ◎ F2-10 0.01A~F2-03 No-load Current parameter F2-06~F2-10 is the parameter of asynchronous motor, in generally the motor nameplate don’t have these parameters, need through the inverter automatic tuning.

  • Page 83: F3 Motor 1 Vector Control Parameter

    VD120 Series Inverter User Manual Parameter Description F3 Motor 1 Vector Control Parameter Speed Loop ○ F3-00 01~100 Proportional Gain 1 Speed Loop Integral ○ F3-01 0.01s~10.00s 0.50s Time 1 ○ F3-02 Switch Frequency 1 0.00Hz~F3-05 5.00Hz Speed Loop ○...
  • Page 84 Parameter Description VD120 Series Inverter User Manual Speed Loop Filter Time ○ F3-07 0.000s~0.100s 0.000s Constant Under the vector control mode, the output of the speed loop controller for torque current instruction, the parameter is used for filtering for torque instruction. Generally do not need to adjust the parameters, it can be appropriately increase the filtering time when speed is volatile;...
  • Page 85 VD120 Series Inverter User Manual Parameter Description Torque Adjustment ○ F3-16 0~60000 1300 Integral Gain Vector control current loop PI regulation parameter, the parameter will automatically receive after in the asynchronous motor complete tuning, generally do not need to be modified.

  • Page 86: F4 Motor 1 V/F Control Parameter

    Parameter Description VD120 Series Inverter User Manual F4 Motor 1 V/F Control Parameter This function code is only effective for V/F control, is invalid for vector control. V/F control is suitable for general load such as fan, water pump, or one inverter with more motor, or inverter power and motor power different applications.
  • Page 87 VD120 Series Inverter User Manual Parameter Description Output voltage Output frequency V1: manual torque boost voltage Vb: max output voltage f1: manual torque boost cutoff frequency fb: rated running frequency Fig 6-6 Manual torque boost diagram ◎ F4-04 MS V/F Frequency Point 1 0.00Hz~F4-06...
  • Page 88 Parameter Description VD120 Series Inverter User Manual V/F Slip Compensation ◎ F4-10 0.0%~200.0% 20.0% Gain This parameter is only effective for asynchronous motor. V/F slip compensation gain: can compensate asynchronous motor caused motor speed deviation when the load increases, to make the speed of the motor can basically remained stable when the load changes.
  • Page 89 VD120 Series Inverter User Manual Parameter Description Pulse given signal specifications: voltage range: 9V~30V, frequency range: 0kHz~100kHz. 5: MS instruction When voltage source for MS instruction, to set up the F5 and FC group parameters, to determine the corresponding relation of given signal and given voltage.

  • Page 90: F5 Input Terminal Group

    Parameter Description VD120 Series Inverter User Manual F5 Input Terminal Group VD120 series inverter with six multi-function digital input terminals (including HDI1 can be used as a high speed pulse input terminal), two analog input terminals. 0: Two-line mode 1...
  • Page 91 VD120 Series Inverter User Manual Parameter Description DIx DIy respectively. Terminal function set as below. Terminal Set Value Description Running (FWD/REV) Three-line control mode 1 (1) When need to run, must be closed DIn terminals first, implemented by DIx or DIy pulse rising to realize the motor forward or reverse control;...
  • Page 92 Parameter Description VD120 Series Inverter User Manual Alternative control mode: this mode Din as enabled terminal, run and the rotating direction and stop are separately controlled by Din DIy alternatively. Terminal function as below: Terminal Set Value Description Forward, stop...
  • Page 93 VD120 Series Inverter User Manual Parameter Description Fig 6-14 Back and forth control mode DI1 Terminal Function ◎ F5-01 Selection DI2 Terminal Function ◎ F5-02 Selection DI3 Terminal Function ◎ F5-03 Selection 0~53, see table blow DI4 Terminal Function ◎...
  • Page 94 Parameter Description VD120 Series Inverter User Manual Fault reset Using terminal function to reset error, the same function as keypad (RESET) RESET. This function can realize long distance error reset. When external error signal pulse sent to inverter, inverter alarm External fault error Err.17, and according to the fault protection action approach...
  • Page 95 VD120 Series Inverter User Manual Parameter Description Acceleration and deceleration time selection terminal It can realize 4 kinds of acceleration/deceleration time selection through the 4 states of two terminals. Acceleration and deceleration time selection terminal PULSE frequency input HDI1 as the function of the pulse input terminals.
  • Page 96 Parameter Description VD120 Series Inverter User Manual PLC is suspended in the process of execute, can make inverter back to initial state of simple PLC through the terminal when run PLC state reset again. Swing frequency The inverter output at center frequency, swing frequency function pause pause.
  • Page 97 VD120 Series Inverter User Manual Parameter Description Direct setting Corresponding Parameter MS speed 0 FC-00 MS speed 1 FC-01 MS speed 2 FC-02 MS speed 3 FC-03 MS speed 4 FC-04 MS speed 5 FC-05 MS speed 6 FC-06 MS speed 7...
  • Page 98 Parameter Description VD120 Series Inverter User Manual Used to set the valid state model of digital quantity input terminal. When selection for high level is valid, the corresponding DI terminal is valid connected with the COM, and is invalid disconnection.
  • Page 99 VD120 Series Inverter User Manual Parameter Description AI1 is lower than min input setting selection AI is Lower than Min Input ○ 0: Corresponding to the min input F5-21 Setting Selection setting 1: 0.0% The function code is used for setting, when the voltage of the analog input is smaller than the “minimum input”...
  • Page 100 Parameter Description VD120 Series Inverter User Manual Setup frequency Setup frequency or torque or torque 100% 100% 0V/0mA 0V/0mA 10V/20mA 10V/20mA -100% Fig.6-15 Corresponding Relationship between Analog Reference and Setting ○ F5-27 AI Curve 2 Min Input -10.00V~F5-29 0.00V Corresponding Setting ○...
  • Page 101 VD120 Series Inverter User Manual Parameter Description of Pulse Max Input ○ F5-41 PULSE Filter Time 0.00s~10.00s 0.10s The group function code is used to set the relationship between HDI1 pulse frequency set and corresponding setting. Pulse frequency can only be input into the inverter through the HDI1 channel.

  • Page 102: F6 Output Terminal Function Group

    Parameter Description VD120 Series Inverter User Manual F6 Output Terminal Function Group 0: HDO1 pulse output (optional) DO1 Terminals Output ○ F6-00 Mode Selection 1: Switch output DO1 terminal is programmable multiplexing terminal. It can be used as high-speed pulse output terminal, it can also be used as collector open circuit output terminal, high speed pulse output function is optional, if you need this feature, you need to contact the manufacturer in advance.
  • Page 103 VD120 Series Inverter User Manual Parameter Description When frequency inverter is running and the output frequency Zero speed running 2 is 0, then output ON signal. When inverter is in a state of (output when stop) downtime, the signal also is ON.
  • Page 104 Parameter Description VD120 Series Inverter User Manual When simple PLC operation to finished a cycle, output a pulse PLC circulation output signal whit 250ms width. When set frequency exceed frequency upper limit or frequency lower limit, and the inverter output frequency...
  • Page 105 VD120 Series Inverter User Manual Parameter Description Function Description value Running frequency 0~maximum output frequency Set frequency 0~maximum output frequency Output current 0~2 times of rated motor current Output torque 0~2 times of rated motor voltage Output power 0~2 times of rated power Output voltage 0~1.2 times of inverter rated power...
  • Page 106 Parameter Description VD120 Series Inverter User Manual 0: Voltage ○ F6-26 AO1 Output Type 1: Current AO1 has two modes of voltage and current output, at the same time, the corresponding output type of hardware is selected, and the corresponding parameters are selected for the same type.

  • Page 107: F7 Keyboard And Display Function Group

    VD120 Series Inverter User Manual Parameter Description F7 Keyboard and Display Function Group 0: Invalid 1: Operation panel command channel switching with remote command channel (terminal command channel or JOG / REV Key communication command channel) ◎ F7-00 Function Selection...
  • Page 108 Parameter Description VD120 Series Inverter User Manual Bit10: Reserved Bit11: Reserved Bit12: Count value Bit13: Length value Bit14: Load speed display BIT15: PID setting 0000~0xFFFF Bit00: PID feedback Bit01: PLC stage Bit02: PULSE input frequency (kHz) Bit03: Running frequency 2 (Hz) Bit04: Set torque (0.%)
  • Page 109 VD120 Series Inverter User Manual Parameter Description AI1 voltage before Output power (kW) 0x0020 0x0020 correction (V) Output torque (%) 0x0040 Reserved 0x0040 DI input state 0x0080 Reserved 0x0080 DO output state 0x0100 Linear velocity 0x0100 Current power on time...
  • Page 110 Parameter Description VD120 Series Inverter User Manual Set frequency (Hz) 0x0001 Bus voltage (V) 0x0002 DI input state 0x0004 DO output state 0x0008 AI1 voltage (V) 0x0010 Reserved 0x0020 Reserved 0x0040 Count value 0x0080 Length value 0x0100 PLC stage 0x0200...

  • Page 111: F8 Protection Parameters

    VD120 Series Inverter User Manual Parameter Description F8 Protection Parameters 0: Disabled Motor Overload ○ F8-00 Protection Selection 1: Enabled Motor Overload ○ F8-01 0.20~10.00 1.00 Protection Gain F8-00=1: no motor overload protection function, there may be a motor overheating damage risk, suggest adding thermal relay between inverter and motor.
  • Page 112 Parameter Description VD120 Series Inverter User Manual Over current Stall ○ F8-12 100%~200% 160% Protection Current Quick Start Over current ○ F8-13 0~100 Suppression Gain In process of inverter acceleration/deceleration, when output current more than overcurrent stall protection current, frequency converter to stop deceleration process, keep the current running frequency, after the output current drops tocontinue to acceleration/deceleration.
  • Page 113 VD120 Series Inverter User Manual Parameter Description Voltage Restore Judgment Time Upon ○ F8-26 0.00s~100.00s 0.50s Instantaneous Power Failure Voltage Judgment Value ○ F8-27 Upon Instantaneous 60.0%~100.0% (Standard bus voltage) 80.0% Power Failure The function is refers to the instantaneous power failure or voltage falls suddenly, frequency converter by reducing output rotational speed, reduce the load feedback energy compensation inverter DC bus voltage is reduced, to keep the inverter to continue to run.

  • Page 114: F9 Fault Record And Setting Parameter Group

    Parameter Description VD120 Series Inverter User Manual F9 Fault Record and Setting Parameter Group Fault Types for the First ● F9-00 Time Fault Types for the ● F9-01 0~43 Second Time Fault Types for the Third ● F9-02 Time (Last Time) Record recently three failure types of inverter, 0 is no fault.
  • Page 115 VD120 Series Inverter User Manual Parameter Description Power on Time Upon the ● F9-19 Second Time Fault Running Time Upon the ● F9-20 Second Time Fault Frequency Upon the First ● F9-23 Time Fault Current Upon the First ● F9-24...
  • Page 116 Parameter Description VD120 Series Inverter User Manual Ten thousand’s digit: communication abnormal (18) 0: Coast to stop 1: Stop according to stop mode 2: Continue to run Unit’s digit: reserved Ten’s digit: parameter read-write abnormal (21) 0: Coast to stop...
  • Page 117 VD120 Series Inverter User Manual Parameter Description Unit’s digit: Disconnection detection fault (22) 0: Coast to stop 1: Stop according to stop mode Fault Protection Action 2: Continue to run ○ F9-39 0x00000 Selection 4 Ten’s digit: reserved Hundred’s digit: reserved Thousand’s digit: reserved...

  • Page 118: Fa Process Pid Parameter Group

    Parameter Description VD120 Series Inverter User Manual FA Process PID Parameter Group Process PID closed-loop control is the control mode in the control system using proportion (P), integral (I) and differential (D) controller of three parts, make the diviation between the feedback value and the instruction valueis gradually reduced, suitable for the flow rate, pressure, temperature and other process control.
  • Page 119 VD120 Series Inverter User Manual Parameter Description 0: Positive action ○ FA-03 PID Action Direction 1: Anti-action Positive action: when the feedback signal of PID is less than the quantitative, the output frequency of inverter is increased. Such as the tension control of the winding situation.
  • Page 120 Parameter Description VD120 Series Inverter User Manual ○ FA-11 PID Given Change Time 0.00s~650.00s 0.00s PID given changes time, refers to the PID given value time needed from 0.0% to 100.0%. When PID given changes, PID given value according to the given time linear changes, reduce adverse effects caused by given mutations on the system.
  • Page 121 VD120 Series Inverter User Manual Parameter Description ○ FA-21 PID Initial Value 0.0%~100.0% 0.0% PID Initial Value Hold ○ FA-22 0.00s~650.00s 0.00s Time When the frequency converter starts up, the PID output is fixed to the PID initial FA-21, continuous PID initial value after holding time FA-22, PID to start the closed-loop adjustment operation.

  • Page 122: Fb Enhance Function Group

    Parameter Description VD120 Series Inverter User Manual PID Feedback Lost ○ Detection Starting FA-28 0.00Hz~max frequency 10.00Hz Frequency This function code is used to determine whether PID feedback is lost. When the PID feedback quantity is less than the feedback loss detection values FA-26, and duration more than PID feedback loss detection time FA-27, frequency converter alarm fault Err.
  • Page 123 VD120 Series Inverter User Manual Parameter Description Schedule 1 is the terminal functional specifications of acceleration/deceleration time selection. ○ Fb-09 Emergency Stop Time 0.0s~6500.0s 10.0s When the DI function 30 is effective, the set time of Fb-09 will be delecerate to stop.
  • Page 124 Parameter Description VD120 Series Inverter User Manual Actual output frequency Hopping frequency range Hopping frequency range Set frequency Hopping frequency Fig 6-21 Schematic diagram of hopping frequency Hopping Frequency 0: Disabled Whether Valid in the ○ Fb-15 Process of Acceleration...
  • Page 125 VD120 Series Inverter User Manual Parameter Description multi-function output DO output ON signal, and the frequency is lower than a certain frequency values of the detection values, the DO output ON signal is cancelled. The above parameters are used to set the detection value of output frequency, and cancel the lag value of the output motion.
  • Page 126 Parameter Description VD120 Series Inverter User Manual Any Frequency Reaching ○ Fb-21 0.00Hz~max frequency 50.00Hz Detection Value 1 Any Frequency Reaching ○ Fb-22 0.0%~100.0% (max frequency) 0.0% Detection Amplitude 1 Any Frequency Reaching ○ Fb-23 0.00Hz~max frequency 50.00Hz Detection Value 2 Any Frequency Reaching ○...
  • Page 127 VD120 Series Inverter User Manual Parameter Description Output current Zero current detection level Time Fb-25 Zero current detection signal Time Zero current detection time Fb-26 Fig 6-26 Schematic diagram of zero current detection 0.0% (no detection) Output Current Limit ○...
  • Page 128 Parameter Description VD120 Series Inverter User Manual Any Current Reaching 2 ○ Fb-32 0.0%~300.0% (rated motor current) 0.0% Amplitude When the output current of frequency converter is set at the positive and nagetive detection amplitude of any current reaching, inverter muti-function the DO output ON signal.
  • Page 129 VD120 Series Inverter User Manual Parameter Description Frequency converter starting at each time, timing starts from 0, timing remaining run time can be viewed by U0-35. Timing run time set by Fb-37, Fb-38, unit of time for minutes. Module Temperature ○...
  • Page 130 Parameter Description VD120 Series Inverter User Manual Output current Timing braking frequency Time(t) DO timing braking Time(t) output Fb-48 Timing braking time Fb-49 Fig 6-29 Schematic diagram of timing braking action 0: Disabled ○ Fb-50 Terminal Jog Priority 1: Enabled This parameter is used to set whether the highest priority of terminal jog function.
  • Page 131 VD120 Series Inverter User Manual Parameter Description Swing frequency ampli tude Output frequency(Hz) Aw=Fs et*Pb-52 Swing frequency upper limit Center frequency Fset Swing frequency lower limit Jumping frequency=Aw*Pb-53 Swing frequency Accelerate according Decel erate according to cycle Triangle wave deceleration ti me...
  • Page 132 Parameter Description VD120 Series Inverter User Manual Count value need to be collect by the multi-function digital input terminals. In the application, need to set the corresponding input terminals function to "counter input" (function 44), when the pulse frequency is higher, must use DI5/HDI1 port.
  • Page 133 VD120 Series Inverter User Manual Parameter Description Multi-reference can be used in three occasions: as the frequency source, the voltage source of V/F separation and the set source of process PID. Under three kinds of applications, the dimension of the multi reference is relative value, the range of -100.0%~100.0%, when as the frequency source it is relative to the percentage of the maximum...
  • Page 134 Parameter Description VD120 Series Inverter User Manual Unit’s digit: power failure retentive selection 0: Non-retentive at power failure Simple PLC Power 1: Retentive at power failure ○ FC-17 Failure Retentive 0x00 Selection Ten’s digit: stop retentive selection 0: Non-retentive at stop...
  • Page 135 VD120 Series Inverter User Manual Parameter Description Run Time of Simple PLC ○ FC-30 0.0s (h)~6553.5s (h) 0.0s (h) Reference 6 Acceleration/Deceleratio ○ FC-31 n Time Selection of Simple PLC Reference 6 Run Time of Simple PLC ○ FC-32 0.0s (h)~6553.5s (h) 0.0s (h)

  • Page 136: Fd Modbus Communication Parameter Group

    Parameter Description VD120 Series Inverter User Manual Acceleration/Deceleratio n Time Selection of ○ FC-47 Simple PLC Reference Run Time of Simple PLC ○ FC-48 0.0s (h)~6553.5s (h) 0.0s (h) Reference 15 Acceleration/Deceleratio n Time Selection of ○ FC-49 Simple PLC Reference...

  • Page 137: Ff User Parameters Group

    VD120 Series Inverter User Manual Parameter Description FF User Parameters Group ○ FF-00 User Password 0:~65535 FF-00 set any non-zero number, and then the password protection function will be enabled. When enter the menu next time, must input password correctly, otherwise can’t view and modify the function parameters, please keep in mind that the user password is set.
  • Page 138 Parameter Description VD120 Series Inverter User Manual Unit’s digit: user custom parameter group display selection 0: Not display 1: Display ○ FF-05 Fast Debugging Setting 0x10 Ten’s digit: user change parameter group display selection 0: Not display 1: Display When F7-00 selection for 5 (fast debugging) function, to set open or close the JOG/REV key by FF-05 can switch of three kinds of parameters display.

  • Page 139: Fp Factory Parameter Group

    VD120 Series Inverter User Manual Parameter Description Date of Production Factory ● FF-10 0~31 (Date) Setting Product information. Inverter Module Radiator ● FF-11 0°C~120°C Temperature Inverter module temperature. Accumulative Power ● FF-13 0°C~65535°C 0°C Consumption Show the inverter accumulative power consumption so far.
  • Page 140 Parameter Description VD120 Series Inverter User Manual 0: Digital setting (A0-02) 1: AI1 2: Reserved 3: Reserved Torque Setting Source 4: PULSE ◎ A0-01 Selection under the 5: Communication setting Torque Control Mode 6: Reserved 7: Reserved 8: Keypad Potentiometer (the full scale...
  • Page 141 VD120 Series Inverter User Manual Parameter Description Torque Control ○ A0-07 0.00s~650.00s 0.00s Acceleration Time Torque Control ○ A0-08 0.00s~650.00s 0.00s deceleration Time Under the torque control mode, the difference between the motor output torque and load torque, determine the speed change rate of the motor and load, so the speed of the motor can be changed quickly, which brings the problems such as high noise or mechanical stress.

  • Page 142: Ai Optimize Control Parameter Group

    Parameter Description VD120 Series Inverter User Manual Rotational Inertia ○ Compensation Upper A0-18 0.0%~50.0% 5.0% Limit Rotational Inertia ○ A0-19 Compensation Starting 0.00Hz~max frequency 10.00Hz Frequency Lowest Resolution 0.00: Not limit ○ A0-20 Frequency (only effective 1.00Hz 0.01Hz~2.00Hz to SVC) The related parameters of the rotational inertia, generally do not need to adjuste.
  • Page 143 VD120 Series Inverter User Manual Parameter Description gradually restored to the setting value. This function can reduce the chance of inverter overheat alarm. DPWM Switching ○ A1-02 0.00Hz~15.00Hz 12.00Hz Frequency Upper Limit Only valid for V/F control. The wave mode determined by the asynchronous machine V/F running, which is lower than the value of the 7 stage continuous modulation mode, on the contrary is the 5 stage intermittent modulation mode.
  • Page 144 Parameter Description VD120 Series Inverter User Manual 0: Disable Rapid Current Limiting ○ A1-06 Enable 1: Enable Use rapid current limiting function, can maximum limit reduce inverter appear overcurrent fault, ensure the inverter uninterrupted running. If the frequency inverter in rapid current limiting condition for a long time, frequency inverter could overheat and other damage, this situation is not allowed, so the frequency inverter will alarm fault Err.

  • Page 145: B0 User Customize Function Code

    VD120 Series Inverter User Manual Parameter Description b0 User Customize Function Code ○ b0-00 User Code 0 F0-00 ○ b0-01 User Code 1 F0-01 ○ b0-02 User Code 2 F0-02 ○ b0-03 User Code 3 F0-09 ○ b0-04 User Code 4 F0-18 ○...

  • Page 146: B1 Virtual Io Parameter Group

    Parameter Description VD120 Series Inverter User Manual b0-30 User Code 30 FF-06 ○ b0-31 User Code 31 FF-06 ○ This function code is the users customize parameter group. Users can in all VD120 function code, select the needed parameter summary to b0 group, as the user customization parameters, convenient to view and change such as operation.
  • Page 147 VD120 Series Inverter User Manual Parameter Description Different from ordinary digital quantity input terminals, the state of the virtual VDI can set two ways, and selection by b1-05. When selecting VDI status is decided by the state of the corresponding virtual VDO, VDI whether is...
  • Page 148 Parameter Description VD120 Series Inverter User Manual AI input voltage DC7V DC3V Time AI terminal state Fig 6-33 AI terminal effective state judgment 0: Short circuit with physical DIX internal Virtual VDO1 Output ○ b1-11 Function Selection 1~43: see the F6 group physical DO...
  • Page 149 VD120 Series Inverter User Manual Parameter Description Unit’s digit: VDO1 0: Positive logic 1: Anti-logic Ten’s digit: VDO2, same as above VDO Output Terminal ○ b1-21 0x00000 Hundred’s digit: VDO3, same as Effective State Selection above Thousand’s digit: VDO4, same as above Ten thousand’s digit: reserved...

  • Page 150: B2 Ai Curve Setting Parameter Group

    Parameter Description VD120 Series Inverter User Manual b2 AI Curve Setting Parameter Group ○ b2-00 AI Curve 4 Min Input -10.00V~b2-02 0.00V Corresponding Setting of ○ b2-01 -100.0%~+100.0% 0.0% AI Curve 4 Min Input AI Curve 4 Inflection ○ b2-02 b2-00~b2-04 3.00V...
  • Page 151 VD120 Series Inverter User Manual Parameter Description Analog input corresponding setting 100% AI Max input setting AI curve inflection point 1 corresponding setting AI curve AI input inflection point 2 voltage 0V（0mA） AI curve AI curve inflection point 1 （20mA）...

  • Page 152: B3 Aiao Correction Parameter Group

    Parameter Description VD120 Series Inverter User Manual b3 AIAO Correction Parameter Group Factory ○ b3-00 AI1 Measured Voltage 1 0.500V~4.000V Correction Factory ○ b3-01 AI1 Displayed Voltage 1 0.500V~4.000V Correction Factory ○ b3-02 AI1 Measured Voltage 2 6.000V~9.999V Correction Factory ○...

  • Page 153: U0 Basic Monitoring Parameters Group

    VD120 Series Inverter User Manual Parameter Description U0 Basic Monitoring Parameters Group Code Parameter Name Display Value Display Unit Property ● U0-00 Running Frequency (Hz) 0.01Hz ● U0-01 Set Frequency (Hz) 0.01Hz ● U0-02 Bus Voltage (V) 0.1V ● U0-03 Output Voltage (V) ●...
  • Page 154 Parameter Description VD120 Series Inverter User Manual Communication Setting ● U0-28 0.01% Value ● U0-29 Reserved Main Frequency A ● U0-30 0.01Hz display Auxiliary Frequency B ● U0-31 0.01Hz Display View Any Memory ● U0-32 Address Value ● U0-35 Surplus Running Time 0.1Min...

  • Page 155: Chapter 7 Emc Guide

    VD120 Series Inverter User Manual EMC Guide Chapter 7 EMC Guide 7.1 Definition Electromagnetic compatibility is the ability of the electric equipment to run in the electromagnetic interference environment and implement its function stably without interferences on the electromagnetic environment.
  • Page 156 EMC Guide VD120 Series Inverter User Manual placed nearby the inverter or together with the inverter in the same control cabinet, they are easy to suffer interference and thus generate error actions. It is recommended to handle with the following methods: Put in places far away from the interference source;...

  • Page 157: Chapter 8 Fault Shooting And Solutions

    VD120 Series Inverter User Manual Fault Shooting and Solutions Chapter 8 Fault Shooting and Solutions 8.1 Fault Alarm and Countermeasures VD120 inverter has warning information and fault protection function. In case of abnormal fault, the inverter error relay contactor will be in action, before user seeking for help, please do self-inspection according to this chapter to analyze causes and find out solution.
  • Page 158 Fault Shooting and Solutions VD120 Series Inverter User Manual 1. Deceleration time is too 1. Extend deceleration time short Deceleration 2. Add external energy overcurrent 2. Load inertia torque is too consumption braking unit Err.05 (software) 3. Selection inverter with bigger 3.
  • Page 159 VD120 Series Inverter User Manual Fault Shooting and Solutions 1. Motor protection parameters F8-01 set whether 1. Check the power grid voltage appropriate Motor 2. Reset the rated motor current Err.11 2. Whether the load is too overload 3. Check the load, adjust the torque...
  • Page 160 Fault Shooting and Solutions VD120 Series Inverter User Manual 1. The motor parameters not set according to the Motor 1. Correctly set motor parameters nameplate self-learning according to the nameplate Err.20 abnormal 2. Check the inverter to motor lead 2. The parameter identification...

  • Page 161: Common Faults And Solutions

    VD120 Series Inverter User Manual Fault Shooting and Solutions 1. Confirm whether the load is out of or F8-16, F8-17 parameter 1. The inverter running current Err.37 Offload is less than F8-16 settings are consistent with the actual running condition 1.

  • Page 162: Chapter 9 Communication Protocol

    (PC), industrial control machine or programmable logical controller(PLC) etc., and the slave refers to the VD120 series inverter or other control equipment with the same communication protocol. Master not only visits some slave, but also sends the broadcast information to all the slaves.

  • Page 163: Command Code And Communication Data Description

    VD120 Series Inverter User Manual Communication Protocol When the first field (address information) is received, each network device acknowledges the byte. With the completion of the last byte transfer, there is a similar 3.5 byte transmission time interval, used to identify the end of this frame, after which, will start a new frame transmission.
  • Page 164 Communication Protocol VD120 Series Inverter User Manual CRCCHK high Bit T1-T2-T3-T4 RTU slave reponse information When Fd-05=0 START T1-T2-T3-T4 ADDR Number of bytes Running frequency high Bit Running frequency low Bit Bus voltage high Bit Bus voltage low Bit Output voltage high Bit...
  • Page 165 VD120 Series Inverter User Manual Communication Protocol Output current high Bit Output current low Bit Output power high Bit Output power low Bit CRCCHK low Bit CRCCHK high Bit T1-T2-T3-T4 9.6.2 Command Code: 06H (00000110), write one word Such as: Put 1000 (2710H) (namely write-in setting frequency F0-10*100%) write to slave address 01H to the 1000H of the inverter (communication set value address).
  • Page 166 Communication Protocol VD120 Series Inverter User Manual check of complete data of format. 9.6.3.1 Byte check User can select different check mode according to requirement, can also select no-check, but it will affect the Bit setting of every byte check.
  • Page 167 VD120 Series Inverter User Manual Communication Protocol return(crc_value); In logic ladder, CKSM calculates CRC value according to frame content, adopting table look-up method, this method is simple in program, quick calculating speed, but with big occupying ROM space. Please consider carefully in application with requirement on program space.
  • Page 168 Communication Protocol VD120 Series Inverter User Manual 1004H Output current 1005H Output power 1006H Output torque 1007H Running speed DI input sign 1008H 1009H DO output sign 100AH AI1 voltage 100BH Reserved 100CH Reserved 100DH Count value input 100EH Length value input...
  • Page 169 VD120 Series Inverter User Manual Communication Protocol Control command input to the inverter: (only write) Command address Command function 0001H: Forward running 0002H: Reverse running 0003H: Forward jog 0004H: Reverse jog 2000H 0005H: Coast to stop 0006H: Decelerate to stop...
  • Page 170 Communication Protocol VD120 Series Inverter User Manual Inverter fault address Inverter fault information 0000H: no fault 0001H: acceleration over current (hardware) 0002H: deceleration over current (hardware) 0003H: constant over current (hardware) 0004H: acceleration over current (software) 0005H: deceleration over current (software)

  • Page 171: Fd Modbus Communication

    VD120 Series Inverter User Manual Communication Protocol 0000: no fault 0001: password erro 0002: command code erro 0003: CRC check erro 8001 0004: invalid address 0005: invalid parameter 0006: parameter change is invalid 0007: system is lock 0008: in EEPROM operation...
  • Page 172 Communication Protocol VD120 Series Inverter User Manual When the function code set to valid values, if a communication and the interval time of the next communication beyond the communication timeout time, system will be reported to the communication failures (Err.18). Usually, it is set to invalid. If you set this parameter in a system with continuous communication, you can monitor the communication status.
  • Page 173 3. If there is any failure or damage to the product, please correctly fill out the Product Warranty Card in detail. 4. The maintenance fee is charged according to the latest Maintenance Price List of Vicruns. 5. The product Warranty Card is not re-issued. Please keep the card and present it to the maintenance personnel when asking for maintenance.
  • Page 174 Product Warranty Card Address: Contact Person: Customer Company Name: Information Tel of Email: Postcode: Product Model: Product Serial No: Information Name of supplier who supplied you the unit: Failure Description (eg. Fault code) Maintenance Personnel:...

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