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CHINSC ELECTRIC SVF-MN Series Operation Manual

Mini type sensorless vector frequency inverter
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SVF-MN Series Mini Type Sensorless
Vector Frequency Inverter
Operation Manual
Material Version：V1.4
Date of Filing：2014-10-24
Company Standard: Q/0300SSC 001-2012
Shandong Shenchuan Drive Technology CO., LTD. could
supply all-round technology support for clients. The users
could contact the nearby agency or customer service center
of Shandong Shenchuan Drive Technology CO., LTD, and also
could contact the manufacturer directly.
All rights reserved. Any alteration is made without notice.
Head office: Shandong Shenchuan Drive Technology CO., LTD.
Customer hotline: 86-533-6285662
Service hotline: 86-13375338006 or 86-13375338007
URL: www.chinsc.com
E-mail: 13375338007@chinsc.com

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Summary of Contents for CHINSC ELECTRIC SVF-MN Series

  • Page 1 SVF-MN Series Mini Type Sensorless Vector Frequency Inverter Operation Manual Material Version：V1.4 Date of Filing：2014-10-24 Company Standard: Q/0300SSC 001-2012 Shandong Shenchuan Drive Technology CO., LTD. could supply all-round technology support for clients. The users could contact the nearby agency or customer service center of Shandong Shenchuan Drive Technology CO., LTD, and also...

  • Page 2: Table Of Contents

    SVF-MN Series Frequency Inverter Operation Manual Content Content CHAPTER 1 SAFETY AND NOTES........1 1.1 S ..........1 AFETY EFINITION 1.2 S ............2 AFETY OTES 1.3 N .............6 OTES CHAPTER 2 SPECIFICATIONS AND SELECTION....10 2.1 N ........... 10 AMING 2.2 N ............
  • Page 3 Content SVF-MN Series Frequency Inverter Operation Manual 3.1.2 K ......33 EYBOARD PERATION ROCESS 3.1.3 O ..... 35 PERATION EYBOARD IZE AND NSTALLATION 3.2 E ........37 LECTRICAL NSTALLATION 3.2.1 E XTERNAL LECTRICAL OMPONENT ELECTION UIDANCE 3.2.2 I ... 38...
  • Page 4 SVF-MN Series Frequency Inverter Operation Manual Content 8.3.1 H ........160 ARMONIC NFLUENCE 8.3.2 EMI ......160 NSTALLATION OTES 8.3.3 H ANDLE INTERFERENCE OF THE ENVIRONMENT TO INTERFERE THE ..............160 DRIVE 8.3.4 H ANDLE INTERFERENCE GENERATED BY DRIVE TO INTERFERE THE ............161 ENVIRONMENT 8.3.5 L...

  • Page 5: Chapter 1 Safety And Notes

    SVF-MN Series Frequency Inverter Operation Manual Chapter 1 Safety and Notes Chapter 1 Safety and Notes 1.1 Safety Definition In this manual, safety precautions divide the following two categories: Danger Operations without following instructions can cause personal injury or death.

  • Page 6: Safety Notes

    Chapter 1 Safety and Notes SVF-MN Series Frequency Inverter Operation Manual 1.2 Safety Notes Danger Attention 1. Please don't operate the damaged and incomplete drive, otherwise there is a danger of human injury 2. Please use the insulation motor which class is above...
  • Page 7 SVF-MN Series Frequency Inverter Operation Manual Chapter 1 Safety and Notes Danger Attention 5. Don’s connect the input Only electrical power supply output engineering personnel shall terminals U, V and W, wire the drive, otherwise, otherwise, it would cause the...
  • Page 8 Chapter 1 Safety and Notes SVF-MN Series Frequency Inverter Operation Manual Danger Attention 1. After power on, please When motor don’t open the cover of the running, please carefully drive, in order to avoid identify parameters. electric shock. Otherwise Accidents may occur.
  • Page 9 SVF-MN Series Frequency Inverter Operation Manual Chapter 1 Safety and Notes Danger Attention 1. Please Reserve far away 4. Don't allow matters to fall from it, if restart the drive. inside the running drive, Otherwise there is human otherwise injury.

  • Page 10: Notes

    Chapter 1 Safety and Notes SVF-MN Series Frequency Inverter Operation Manual 1.3 Notes A. Insulation checking of motors Before using the drive, the insulation of the motors must be checked, especially, if it is used for the first time, if it has been stored for a long time or regularly check.
  • Page 11 SVF-MN Series Frequency Inverter Operation Manual Chapter 1 Safety and Notes Don't connect any varistor or capacitor to the output terminals of the drive, because the drive's output voltage waveform is PWM, otherwise tripping or damaging of components may occur; in addition, don't install circuit breaker or contactor at the output side of the drive.
  • Page 12 Chapter 1 Safety and Notes SVF-MN Series Frequency Inverter Operation Manual If users need the wiring diagram, such as common DC bus, without in the manual, Please consult our company. M. Disposing unwanted drive The capacitors may explode when they are burnt. Poisonous gas may be generated when the plastic parts like front covers are burnt.
  • Page 13 SVF-MN Series Frequency Inverter Operation Manual Chapter 1 Safety and Notes tested part be completely disconnected. 5) If the wire of the motor is over 50 meters, we advice to add output smoothing reactor. Otherwise, the motor insulation is easily damaged.

  • Page 14: Chapter 2 Specifications And Selection

    Chapter2 Specifications And Selection SVF-MN Series Frequency Inverter Operation Manual Chapter 2 Specifications and Selection 2.1 Naming Rule Figure 2-1 Naming rule 2.2 Nameplate Figure 2-2 Nameplate...

  • Page 15: Model And Technical Parameters

    SVF-MN Series Frequency Inverter Operation Manual Chapter2 Specifications And Selection 2.3 Model and Technical Parameters Table2-1 SVF-MN frequency inverter model and technical parameters Output Adopter MODEL Input voltage current (A) motor KW SVF-MN0.4S/T2B SVF-MN0.75S/T2B 0.75 Single or three SVF-MN1.5S/T2B phase 220V SVF-MN2.2S/T2B...

  • Page 16: Technical Specification

    Chapter2 Specifications And Selection SVF-MN Series Frequency Inverter Operation Manual 2.4 Technical Specification Table2-2 SVF-MN Frequency Inverter Technical Specifications Item Specification Input Rated voltage T4 series: Three phase 380v, Frequency ±15% S/T2 series: Three/single phase 220V, ±15% 50/60Hz ±5% Output...
  • Page 17 SVF-MN Series Frequency Inverter Operation Manual Chapter2 Specifications And Selection Start torque Open-loop vector control: 0.5Hz 180%; VF control: 0.5Hz 150% Speed range Open-loop vector control:1:150; VF control: 1:100 Speed control Open-loop vector control: precision ±0.2%; VF control: ±0.5% Function Channel Keyboard control ，...
  • Page 18 Chapter2 Specifications And Selection SVF-MN Series Frequency Inverter Operation Manual program operation setting, UP/DW terminal increasing/Decreasing setting Main Select main frequency auxiliary setting or auxiliary frequency frequency setting through terminal change combination set Frequency Keypad setting:0.01Hz; Analog resolution setting: 0.1%...
  • Page 19 SVF-MN Series Frequency Inverter Operation Manual Chapter2 Specifications And Selection protection, Rapid current-limiting, Instant power down drop frequency operation Input Analog input AVI:0~10V ACI:4~20mA Output Keyboard potentiometer input: Signal 0~10V Analog output AFM:0~10V 0~20mA, Select through JP1 jumper Digital input A total of 28 kinds of function could be selected from S0 ~S5.
  • Page 20 Chapter2 Specifications And Selection SVF-MN Series Frequency Inverter Operation Manual functions overload, under-voltage, short circuit, ground fault, input and output default phase, protect the frequency inverter running reliably all-round. -10 ℃ ~+40 ℃ (ambient temperature is within 40℃~50 Ambient ℃, derating use is required),...

  • Page 21: Product Outline And Installation Hole Sizes

    SVF-MN Series Frequency Inverter Operation Manual Chapter2 Specifications And Selection 2.5 Product Outline and Installation Hole Sizes 2.5.1 Product outline Figure 2- 3Product appearance...

  • Page 22: Remove Settlement

    Chapter2 Specifications And Selection SVF-MN Series Frequency Inverter Operation Manual 2.5.2 Remove settlement 1) Take out the keyboard Firstly, we should loosen and take out the screws on the keyboard with screwdriver, and press the two side of the keyboard gently and pull up.
  • Page 23 SVF-MN Series Frequency Inverter Operation Manual Chapter2 Specifications And Selection Figure 2-4 Remove settlement...

  • Page 24: Installation Space

    Chapter2 Specifications And Selection SVF-MN Series Frequency Inverter Operation Manual 2.5.3 Installation space We need to promise the frequency inverter have the following space, Refer to 2-5, 2-6, 2-7 Figure 2-5 Installation space...
  • Page 25 SVF-MN Series Frequency Inverter Operation Manual Chapter2 Specifications And Selection Figure 2-6 Partition set figure Figure2-7 Without a partition set figure Notice:  Mount the AC motor drive vertically on a flat vertical surface object by screws. Other directions are not allowed.

  • Page 26: Product Size (Mm)

    Chapter2 Specifications And Selection SVF-MN Series Frequency Inverter Operation Manual  Prevent fiber particles, scraps of paper, saw dust, metal particles, etc. from adhering to the heatsink.  When installing multiple AC more drives in the same cabinet, they should be adjacent in a row with enough space in-between.
  • Page 27 SVF-MN Series Frequency Inverter Operation Manual Chapter2 Specifications And Selection Table 2-3 SVF-MN Frequency inverter outline 1 size Frequency Installation inverter model hole size SVF-M0.4S/T2B 141.5 130.5 113.0 Φ5 SVF-M0.75S/T2B SVF-M1.5S/T2B SVF-M0.4T4B SVF-M0.75T4B SVF-M1. 5T4B 116.5 10.5 Φ5 SVF-M2.2T4B SVF-M2.2S/T2B...

  • Page 28: Selection Of Braking Package

    Chapter2 Specifications And Selection SVF-MN Series Frequency Inverter Operation Manual Table 2-4 SVF-MN frequency inverter outline 1 size Installation Model hole size SVF-M3.7S/T2B SVF-M3.7T4B 166.3 Φ6 SVF-M5.5T4B SVF-M7.5T4B 2.6 Selection of Braking Package ☞Note: Table 2-5 is the guide data, According to the actual situation,...
  • Page 29 SVF-MN Series Frequency Inverter Operation Manual Chapter2 Specifications And Selection Table 2-5 Selection of SVF-MN VFD Braking Package Braking Recommended Braking Resistor Minimum VFD Model Braking Resistor Resistor Power Equivalent TYPE Quantity Resistance SVF-MN0.4S/T2B ≥300 SC-BR700-W100 SVF-MN0.75S/T2B ≥200 SVF-MN1.5S/T2B SC-BR300-W300 ≥100...

  • Page 30: Frequency Inverter Daily Maintenance

    Chapter2 Specifications And Selection SVF-MN Series Frequency Inverter Operation Manual 2.7 Frequency Inverter Daily Maintenance 2.7.1 Daily Maintenance Many factors such as ambient temperature, humidity, dust, vibration will cause the internal components aging and give rise to the occurrence of potential faults or lessen the service life of the VFD.

  • Page 31: Routine Checking

    SVF-MN Series Frequency Inverter Operation Manual Chapter2 Specifications And Selection 2) Effectively remove the dust on the surface of the inverter to prevent dust entering the inside of the inverter, especially the metal dust. 3) Effectively clear the oil from the cooling fan.

  • Page 32: Storage

    Chapter2 Specifications And Selection SVF-MN Series Frequency Inverter Operation Manual depends largely on their application environment and maintenance condition. Normally, lifetime is: Components Life 2~3 years Electrolyte capacitor 4~5 years The user can decide the replace age limit According to the running time.

  • Page 33: Warranty Instructions

    SVF-MN Series Frequency Inverter Operation Manual Chapter2 Specifications And Selection 1) As far as possible store into the original packaging. 2) Long-term storage will cause the deterioration of electrolytic capacitors. Therefore, the inverter must be powered within 2 years, and the conduction time is at least for 5 hours. The input voltage must be boosted gradually to the rated value by the voltage regulator.

  • Page 34: Selection Guide

    Chapter2 Specifications And Selection SVF-MN Series Frequency Inverter Operation Manual Damages incurred to the inverter due to the improper use of ③ inverter functions; 4. Related service fee will be calculated According to the unified standards of the manufacturer. If there are any maintenance contracts, the contract prevail.

  • Page 35: Chapter 3 Keyboard Operation And Electrical Wiring

    High voltage working instructions and standards should be paid attention to. 3.1 Description of Operation Keyboard The display function of SVF-MN Series is the operation keyboard. Figure 3-1 Description of operation keyboard...

  • Page 36: Description Of Function Display

    Chapter3 Keyboard Operation and Electrical Wiring SVF-MN Series Frequency Inverter Operation Manual 3.1.1 Description of function display Normal display Displayed Descriptions Message Show current setting frequency Show the frequency actually outputted to motor from inverter. Show the output current of U, V, W output terminals of inverter.

  • Page 37: Keyboard Operation Process

    SVF-MN Series Frequency Inverter Operation Manual Chapter3 Keyboard Operation and Electrical Wiring 2. Fault Display Flash shows busbar under voltage state. Flash shows busbar under voltage fault during run. 3.1.2 Keyboard Operation Process 1. Selection mode 2. Parameter setting In menu selection mode, press ENTER to enter into parameter setting.
  • Page 38 Chapter3 Keyboard Operation and Electrical Wiring SVF-MN Series Frequency Inverter Operation Manual 3. Up and Down Modify of Keyboard Digital Frequency 4. Run Direction Setting When the run order source comes from digital operation panel, the run direction could be modified through up and down keys.

  • Page 39: Operation Keyboard Size And Installation

    SVF-MN Series Frequency Inverter Operation Manual Chapter3 Keyboard Operation and Electrical Wiring 3.1.3 Operation Keyboard Size and Installation 1. Schematic diagram of operation keyboard overall dimension Figure 3-2 Schematic diagram of operation keyboard overall dimension...
  • Page 40 Chapter3 Keyboard Operation and Electrical Wiring SVF-MN Series Frequency Inverter Operation Manual 2. Operation Keyboard External Indicator Figure 3-3 External Figure 3-4 Indicator A External Indicator B...

  • Page 41: Electrical Installation

    SVF-MN Series Frequency Inverter Operation Manual Chapter3 Keyboard Operation and Electrical Wiring 3.2 Electrical Installation 3.2.1 External Electrical Component Selection Guidance Table 3-1 SVF-MN frequency inverter external electrical component selection Recommend Recomme Recomm ation Main ndation endation Switch(A) Circuit VFD Model...

  • Page 42: Instructions For External Electrical Components

    Chapter3 Keyboard Operation and Electrical Wiring SVF-MN Series Frequency Inverter Operation Manual 3.2.2 Instructions for External Electrical Components Table 3-2 Instructions for SVF-MN series VFD external electrical components Accessory Installation Site Function Name Air switch Front of input When downstream devices is over circuits current, breaking the power.
  • Page 43 SVF-MN Series Frequency Inverter Operation Manual Chapter3 Keyboard Operation and Electrical Wiring Accessory Installation Site Function Name 1) Reduce the transmission of the frequency inverter radiation disturbance. Input side of EMC Input frequency Reduce transmission Filter inverter interference flowing from the power to...

  • Page 44: Mode Of Connection

    Chapter3 Keyboard Operation and Electrical Wiring SVF-MN Series Frequency Inverter Operation Manual 3.2.3 Mode of Connection 1. Illustration of Frequency Inverter Wiring Terminal Figure3-5 Illustration of Frequency Inverter Wiring Terminal...

  • Page 45: Main Circuit Terminals And Wiring

    SVF-MN Series Frequency Inverter Operation Manual Chapter3 Keyboard Operation and Electrical Wiring 2．Frequency Inverter Mode of Connection Figure3-6 Illustration of SVF-MN Frequency Inverter Wiring 3.2.4 Main Circuit Terminals and Wiring Danger 1. Before wiring, make sure the power switch is OFF, otherwise, this...
  • Page 46 Chapter3 Keyboard Operation and Electrical Wiring SVF-MN Series Frequency Inverter Operation Manual can lead to electric shock. 2. Only trained professionals can do wiring, so as to avoid the risk of the drive damage and the personal Injury. 3. The drive must be properly earthed to reduce electrical Accident and fire.
  • Page 47 SVF-MN Series Frequency Inverter Operation Manual Chapter3 Keyboard Operation and Electrical Wiring Earth terminal Earth terminal 2）Wiring Notes: 1. Input Power Supply R/L1、S/L2、T/L3： Requirement of no phase order towards input side wiring of frequency inverters. 2. Check after power off ☞Notice：There is residual voltage with DC busbar terminal when...

  • Page 48: Control Terminal And Wiring

    Chapter3 Keyboard Operation and Electrical Wiring SVF-MN Series Frequency Inverter Operation Manual 3.2.5 Control Terminal and Wiring 1）SVF-MN main control circuit terminals drawing TA TB TC S0 S1 S2 S3 S4 S5 GND AFM ACI +10V AVI GND MCM MO1 2）Function of the control terminals...
  • Page 49 SVF-MN Series Frequency Inverter Operation Manual Chapter3 Keyboard Operation and Electrical Wiring The main control loop terminals Terminal Type Terminal Name Function Symbol Multi-function S1-GND digital input terminal 1 Multi-function S2-GND digital input terminal 2 Multi-function S3-GND digital input terminal 3...
  • Page 50 Chapter3 Keyboard Operation and Electrical Wiring SVF-MN Series Frequency Inverter Operation Manual The main control loop terminals Terminal Type Terminal Name Function Symbol Open collector output Digital Output voltage range: DC MO1-MCM Digital output 1 output 0V~30V Max output current 50mA...
  • Page 51 SVF-MN Series Frequency Inverter Operation Manual Chapter3 Keyboard Operation and Electrical Wiring core could be connected to outer analog follower side, shown as following: Figure 3-7 Analog signal wiring diagram B. Digital input terminals It is generally necessary to use as short as possible shielded cable, less than 20m C.
  • Page 52 Chapter3 Keyboard Operation and Electrical Wiring SVF-MN Series Frequency Inverter Operation Manual D. Output terminals of the relay: When the relay output terminals need to control AC contactors and other inductive load, we should add resistance-capacitance absorption device in the two sides of the contactor (over-voltage suppressors, which can be bought from the AC contactor manufacturers or our company.

  • Page 53: Chapter4 Function Parameter Description

    SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Chapter4 Function Parameter Description √ indicates the parameter can be modified, no matter the drive runs or stops; “×” means the parameter can not be modified while the drive is running.
  • Page 54 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults setting terminal control, STOP key is valid. External terminal control, STOP invalid 03: Communication input control, STOP key is valid.
  • Page 55 SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Parameter Parameter Factory Setting Scope Modify Code Function Defaults frequency 220V: P09～P05 44.0 Intermediat √ e voltage 76.0 380V: P09～P05 Lowest output 0.10 Hz～P06 5.00 √ frequency Lowest 220V: 0.1～P07 22.0...
  • Page 56 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults Acc. 0.1 ～ 6000.0s or Dec. 10.0 √ 0.01～600.00s time 0.00～P03 6.00 √ frequency stage freq. 0.00～P03 0.00 √ setting stage freq.
  • Page 57 SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Parameter Parameter Factory Setting Scope Modify Code Function Defaults setting Reversal 0: Reversal function × Reversal forbidden forbidden Overvoltag limit 650～800Vdc √ movement level Current limit level 110～200% √...
  • Page 58 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults setting when stop braking starting 0.00～50.00Hz 0.00 √ frequency when stop 0: Don’t operate Revolve when power select instantly when √...
  • Page 59 SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Parameter Parameter Factory Setting Scope Modify Code Function Defaults upper limit setting Output frequency 0.00Hz～P36 0.00 √ lower limit setting 0: S0 forward/stop, S1 reversal/stop (During reversal Multi-funct forbidden,...
  • Page 60 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults terminal S3 reset function Multi-step selection speed 1 Multi-step Multi-funct speed 2 input terminal S4 × Multi-step function speed 3...
  • Page 61 SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Parameter Parameter Factory Setting Scope Modify Code Function Defaults terminal) 19: Counter reset 20～27: Retain 28: Open 2rd freq. source Output freq. (0~max. output freq.) Analog 1: Output current output (0 ～...
  • Page 62 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults 00: Indication in operation 01: Freq. arrival 02: Zero-speed run Freq. level detection 04: External fault Multi-funct 05: Under-voltage ion output ×...
  • Page 63 SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Parameter Parameter Factory Setting Scope Modify Code Function Defaults value arrival 15: Pendulous freq. upper and lower limit 16 ： S0 terminal closed (only P46 setting) terminal closed (only P46...
  • Page 64 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults detection amplitude FDT(Freq. level) 0.00～400.0Hz 10.00 √ setting output 0.1～200.0s √ delay time Under-volt 350～500Vdc √ protection level Motor rated Model 0.1～100.0A...
  • Page 65 SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Parameter Parameter Factory Setting Scope Modify Code Function Defaults on gain Drive rated Model voltage Read-only ○ related indication Drive rated Model current Read-only ○ related indication Motor 50 ～ 120%(motor overload √...
  • Page 66 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults freq. preset freq. Pendulous freq. preset 0.0～600.0s √ freq. hold time 00: Show actual operating freq.(H) 01: Motor speed (The...
  • Page 67 SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Parameter Parameter Factory Setting Scope Modify Code Function Defaults 09: Display motor run current(A) Forward/Reverse (Frd/Rev) External terminal state(T) 12: AVI(U) 13: ACI(U) 14: AFM(U) Keyboard potentiometer(U) 16: PID setting (U)
  • Page 68 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults 20: Multi-segment speed(U) Motor speed 0.01～20.00 1.00 √ display ratio Communic ation freq. 0.00～P03 0.00 √ setting Forbidden 0.00～400.0Hz 0.00 √...
  • Page 69 SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Parameter Parameter Factory Setting Scope Modify Code Function Defaults Nearest 1st E000: No fault time E001: IGBT short ○ exception circuit protect record E004: Acceleration over-current Nearest time E005: Deceleration ○...
  • Page 70 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults fault E017: External fault E018: Retain E019: Current detection fault or outputted fault loss E020: Motor parameter auto-learning fault E021:...
  • Page 71 SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Parameter Parameter Factory Setting Scope Modify Code Function Defaults 0: Single cycle 1: Single cycle stop mode running 2: Continuous loop mode × 3: Continuous loop selection stop mode...
  • Page 72 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults setting stage time 0.0～6000.0s √ setting stage time 0.0～6000.0s √ setting stage time 0.0～6000.0s √ setting stage time 0.0～6000.0s √...
  • Page 73 SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Parameter Parameter Factory Setting Scope Modify Code Function Defaults Communic 0.0: ation transmission transmissio √ overtime detection n overtime 0.1～120.0s detection 3： Modbus RTU mode ， no verification <8, N,1>...
  • Page 74 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults duration time Automatic energy-savi 0:Invalid √ 1:Valid operation count 0～9999 √ value Appoint 0～9999 √ count value Cumulative Hours ○...
  • Page 75 SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Parameter Parameter Factory Setting Scope Modify Code Function Defaults 2: Static valid 0: No measurement function Motor P103 parameter × Measurement measure motor resistance value R1 at a time...
  • Page 76 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults P110 Retain UP/DOWN P111 terminal 0.00Hz～P03 0.00 √ freq. Start mode when P112 √ restart after 0: Start from 0hz...
  • Page 77 SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Parameter Parameter Factory Setting Scope Modify Code Function Defaults address （ refer to P125） 0: AVI（0～10V） feedback Keyboard P116 × potentiometer source selection 2: ACI（4～20mA） Proportion P117 0.0～50.0 10.0 √...
  • Page 78 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults variable P124 feedback 0.0～10.00V 10.00 √ variable PID digital P125 0.00～10.00V 0.00 √ setting Deviation P126 0.0～20.0％ √ allowed limit freq.
  • Page 79 SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Parameter Parameter Factory Setting Scope Modify Code Function Defaults Zero freq. correspond P131 0.0～20.0mA √ input current value Max freq. correspond P132 0.0～20.0mA 20.0 √ input current value Reverse...
  • Page 80 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults Awake P138 threshold 0.0～10.00V 0.00 √ value Remain Process operation mode when P139 √ 1: Freely stop and counter display...
  • Page 81 SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Parameter Parameter Factory Setting Scope Modify Code Function Defaults setting（RS-485） Keyboard potentiometer setting 5: UP/DW terminal increase degrees, Decrease by degrees setting Dynamic braking P143 630～760Vdc √ starting voltage...
  • Page 82 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults unit is 2 Decimal point (0.01s) Motor pole P148 2～20 × number Triangle wave ascending P149 0.1～1000.0s 10.0 √ &...
  • Page 83 SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Parameter Parameter Factory Setting Scope Modify Code Function Defaults Shock compensati factor(rotat P155 speed 10～1000 √ closed-loop integral time constant) Communic ation P156 0～1000ms √ response delay time Communic...
  • Page 84 Chapter 4 Function Parameter Description SVF-MN Series Frequency Inverter Operation Manual Parameter Parameter Factory Setting Scope Modify Code Function Defaults ter voltage Max freq. correspond P161 0.0 ～10.0V √ keyboard potentiome ter voltage Reverse keyboard 0: No reverse P162 potentiome ×...

  • Page 85: Chapter 5 Function Parameter Detail

    SVF-MN Series Frequency Inverter Operation Manual Chapter 4 Function Parameter Description Chapter 5 Function Parameter Detail Main frequency source setting 0～5 Set frequency inverter main frequency source 0: Keyboard digital setting It could be set through P14 or ▲、▼ keys.
  • Page 86 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail to be UP frequency increase by degrees, DOWN frequency Decrease by degrees function. Run channel source setting 0～4 This function parameter is used to select the run command source of the drive.
  • Page 87 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual 0～1 Halt mode 0：Dec to stop When the drive stops, it would slow down step by step According to the set Dec. time, it would stop until the output freq. to be zero.
  • Page 88 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail This parameter is used to set the intermediate frequency and intermediate voltage of random V/F curve. Lowest output frequency 0.10～P06 5.00 220V：0.1～P07 22.0 Lowest output voltage 38.0 380V：0.1～P07 This parameter is used to set the lowest frequency and voltage values of random V/F curve.
  • Page 89 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual 600.0s 0.1～6000.0s or 0.01～ 2nd Deceleration time 10.0 600.0s Acc. Time is the time that the output freq. of the drive needs from 0Hz to max operation freq. (P03).
  • Page 90 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail stage freq. 0.00 Hz～P03 0.00 settings 3rd stage freq. settings 0.00 Hz～P03 0.00 4th stage freq. settings 0.00 Hz～P03 0.00 5th stage freq. settings 0.00 Hz～P03 0.00 6th stage freq. settings 0.00 Hz～P03...
  • Page 91 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual under the effect of motor load inertia, the motor would produce rebound energy to the drive, pump voltage would arise to dc side, when the drive detect that the pump voltage is higher than P25 set...
  • Page 92 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail VF control, but in vector control mode, pre-excitation parameter could be set, it could get equal effect. DC braking time setting when stop 0.0～20.0s This parameter set the dc braking current duration time from the drive to motor when the drive stop.
  • Page 93 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual Clear operation command automatically, including panel control command, external terminal control command and communication control command. When network voltage recovers, it needs to run according to new command state.
  • Page 94 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail Output frequency lower limit setting 0.00～P36 0.00 Upper limit of drive output frequency, it should be lower or equal to max output freq. Lower limit of drive output frequency, it should be lower than output freq.
  • Page 95 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual Run command Stop Stop Forward Reverse Figure 5-3 Two-wire running mode illustration 2 2：S0、S1、S2 three-wire run control Three-wire control mode run control terminal is fixed to S1, switch function description is as follow: 1.
  • Page 96 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail When P38 isn’t set to 02, the original settings function is set by P39 come back. Multi-function input terminal function selection(when P38 is 2, S2 is fixed as run control...
  • Page 97 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual Function Description value When select UP/DW terminal to set run UP-DW frequency, terminal defined by this parameter frequency could achieve forcing UP/DW frequency clear clear. When the drive stop, if terminal defined by...
  • Page 98 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail Function Description value coordination parameter is P17~P23. Multi-step speed 3 Forward When run command channel select external terminal valid, this parameter define the input terminal of external job signal.
  • Page 99 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual Function Description value Pendulous frequency state reset During this set function terminal switch frequency motion, the frequency set of the drive would increase by increase or Decrease a unit, when switch...
  • Page 100 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail Function Description value This parameter stipulate counting movement of internal counter, the clock terminal of the counter is selected by P42. (only S5 could be selected as clock input side)
  • Page 101 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual Function Description value Retain Retain Retain Retain Retain The function terminal set by this parameter could be used to start 2nd frequency source (parameter P142), that is to achieve mutual...
  • Page 102 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail Multi-function output terminal(MO1) settings 0～21 Multifunction output relay TA, TB, TC settings 0～21 P45、P46 function list: Function Description value Indication When the drive is in run state, it outputs...
  • Page 103 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual Function Description value External fault When external fault input signal is valid and cause the drive to stop, this port output valid signal, otherwise, it outputs invalid signal. When dc side voltage of the drive is...
  • Page 104 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail Function Description value completion function is valid, each time after finish indication a stage, selected port would output within a phase valid signal, but only maintains 500ms, and then recover...
  • Page 105 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual Function Description value S1 terminal closed valid S2 terminal closed valid S3 terminal closed valid S4 terminal closed valid S5 terminal closed valid Note: For the selected multi-function output terminal (MO1), signal valid refers that it is low level between the junction, signal invalid refers that it is high configuration between the junction;...
  • Page 106 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail Freq. arrival detection 0.00～20.00Hz 5.00 amplitude This parameter is used to set the defined output terminal frequency arrival detection range, when the output frequency of the drive is within the plus-minus detection amplitude of the set frequency, the selected output terminal output valid signal.
  • Page 107 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual 350～500Vdc Under-voltage protection level This parameter stipulates the lower limit voltage allowed by dc side when the drive work regularly, for situation where the power grid is low, under-voltage protection level could be lowered properly to guarantee the drive work normally.
  • Page 108 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail Slip compensation gain 0.00～1.50 0.30 When the inverter drive asynchronous motor, the load increase, slip frequency would increase, this parameter could compensate rotate speed, reduce slip frequency, and make the running speed could approach asynchronous speed when the motor is in rated current.
  • Page 109 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual When external pendulous freq. input terminal (pendulous freq. input terminal is selected by P39~P42) is valid, run in pendulous freq. mode, when external input terminal is invalid, run in pendulous freq.
  • Page 110 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail frequency run state. When selecting pendulous freq. function (P59=02), the inverter enters into pendulous freq. When pendulous freq. input terminal is valid after the inverter starts. When pendulous freq. input terminal is invalid, the inverter outputs preset frequency (P62 set value).
  • Page 111 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual state(T) (Frd/Rev） AVI（U） ACI（U） Keyboard AFM（U） potentiometer(U) PID setting (U) PID feedback (U) Running mode (U) PLC operation speed Routine operation operation, Pendulous freq. operation operation operation Multi-speed operation）...
  • Page 112 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail Forbidden set freq. I 0.00～400Hz 0.00 Forbidden set freq. II 0.00～400Hz 0.00 Forbidden set freq. III 0.00～400Hz 0.00 These three parameters is used to set forbidden set frequency, combining with forbidden set width (P70), actual output frequency...
  • Page 113 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual Carrier freq. setting 1～12 kHz This parameter is used to set the carrier frequency outputted by PWM. This function is used to adjust the carrier frequency of the inverter.
  • Page 114 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail This parameter is used to set the allowed automatic reset times when fault occurs to the inverter, fault automatic reset time interval is decided by P77. When P72 is set to 00 or actual fault reset times...
  • Page 115 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual Function Function value value E008 Deceleration E020 Motor parameter overvoltage auto-learning fault E009 Constant speed E021 EEPROM operating trouble overvoltage E010 Busbar E022 Retain under-voltage fault E011 Motor overload...
  • Page 116 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail Fault automatic reset time interval 0.1～100.0s This parameter is used to set the time interval between the twice fault resetting after fault occurs to the inverter. PLC running mode selection 0～5...
  • Page 117 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual The inverter operates 8th stage speed in cycle, that is the inverter would start to run in cycle from 1st stage after it finish 8th stage speed. 3: Continuous cycle stop mode...
  • Page 118 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail Setting sample: set stage speed 7 forward, stage speed 6 reverse, stage speed 5 reverse, stage speed 4 forward, stage speed 3 forward, stage speed 2 reverse, stage speed 1 forward, the meaning...
  • Page 119 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual =64；2 =32；2 =16；2 =8；2 =4；2 =2；2 =1。 PLC action selection 0～2 0：Inaction 1：Action When the inverter running command is valid, the inverter would enter into PLC program run state.
  • Page 120 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail automatically. It means that though this series inverter offer 7 stage speed program run, users could cut program run to 5 stage, 3 stage According to application needs, movement execution could achieve target as long as the stage time don’t want to execute is set to 0s.
  • Page 121 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual 0.0: No transmission Communication transmission overtime overtime detection0.1～ detection 120.0s When the local machine doesn’t receive correct data signal after exceeding the time interval defined by this parameter, it is judged that fault occurs to communication.
  • Page 122 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail Start freq. 0.0～10.00Hz 0.00 Start freq. duration time 0.0～20.0s 0.00 Setting suitable start frequency could increase torque when start. Within hold time (P94) of start frequency, output frequency of the...
  • Page 123 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual exceeding value stipulated by P96 and cause the counter reset, the output valid signal would be cancelled. Clock period requirement of the counter is bigger than 6ms, the mini pulse width is 3ms.
  • Page 124 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail P100 Software version Read only This parameter show the software version of the inverter, it is only for read. P101 Dead zone compensation correction 0～20 Low frequency torque could be improved by modifying dead zone compensation correction factor properly, it don’t need to be adjusted...
  • Page 125 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual after 10s, keyboard returns to normal monitoring menu. In the process of motor parameter measurement, press STOP key to stop auto-learning, other keys are invalid. Motor parameter measurement is only valid for keyboard control.
  • Page 126 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail P52: motor rated current, input refer to motor name plate. P53: motor exciting current, input According to motor no-load current. P148: motor pole P106: motor rated slip Model P106 Motor rated slip 0.00～10.00Hz...
  • Page 127 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual P110 Retain P111 UP/DOWN terminal freq. 0.00～P03 0.00 This parameter is used to set the initial value of UP/DOWN frequency. P112 Start mode when restart after power cut 0～1...
  • Page 128 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail value by adjusting the output frequency of the inverter. It applies to process control situation such as flow control, pressure control and temperature control. Process PID control functional block diagram is as figure 5-8.
  • Page 129 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual conduct integral adjustment speed. P119 Close loop preset freq. 0.00～50.00Hz 0.00 Close loop preset freq. P120 0.0～600.0s hold time In some control system, in order to make the controlled object get the scheduled number quickly, the inverter set output a frequency P119 till preset time P120 forcedly According to this parameter.
  • Page 130 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail Figure 5-9 Mapping relation of PID feedback and PID setting P125 PID digital setting 0.00～10.00V 0.00 When PID object source is set to 4(P115=4), this parameter setting act as PID object setting.
  • Page 131 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual Zero freq. corresponding AVI P128 0.0～10.0V input voltage Max freq. corresponding AVI P129 0.0～10.0V 10.0 input voltage It is used to set the relation between AVI input voltage scope and the corresponding setting frequency scope.
  • Page 132 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail P134 Analog input filter time 0.01～1.00s 0.10 Filtering processing is conducted to frequency set by external analog input to eliminate setting wave effectively. The time constant of filter should be set properly according to the wave extent of external input signal.
  • Page 133 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual This parameter is used to set the follow-up movement situation of the inverter when counter count get the set count value (P96). UP/DW terminal P140 0.01～100.0Hz/s 10.00 modification rate...
  • Page 134 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail When internal dc side voltage of the inverter is higher than dynamic braking start voltage, the inbuilt braking unit will act. If there is external braking resistor, voltage energy of the internal dc side voltage of the inverter would be released through brake resistor to make the dc voltage fall.
  • Page 135 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual If the inverter is in running state before power cut last, it would continue to run via P145 waiting time when power on again. 1: Revolve prohibited The inverter could be started by pressing RUN after it power on again.
  • Page 136 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail Figure 5-10 Illustration of pendulous freq. run P153 Rotate speed estimated factor 10～500 P154 Rotate speed closed-loop gain 10～150 It is valid for vector control (P105=1), adjusting P153，P154 could improve sensor-less vector control performance properly.
  • Page 137 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual 0：Retain 1：Modbus This parameter is used to select communication protocol format. P158 Current sensor fault valid 0～1 0：Invalid 1：Valid P159 PWM mode 0～1 0：PWM mode 0 The energy dissipation could be decreased if carrier frequency is self-adapted.
  • Page 138 SVF-MN Series Frequency Inverter Operation Manual Chapter 5 Function Parameter Detail reverse is valid, P60 is set to max freq. P161 is set to 0 frequency. P163 Current upon recent fault ○ P164 Voltage upon recent fault ○ P165 Frequency upon recent fault ○...
  • Page 139 Chapter 5 Function Parameter Detail SVF-MN Series Frequency Inverter Operation Manual frequency is higher than this frequency, start to judge; when the frequency is 50hz, the Water shortage protection doesn’t work, the P171 setting value should be higher than dormancy frequency.

  • Page 140: Chapter 6 Communication Protocol

    Chapter 6 Communication Protocol SVF-MN Series Frequency Inverter Operation Manual Chapter 6 Communication Protocol SVF-MN series VFD communicate with PC, PLC etc upper machines, and they need the support of J16PIN crystal plug seat. Between the upper user machine and frequency inverter...

  • Page 141: Salve Machine Address

    SVF-MN Series Frequency Inverter Operation Manual Chapter 6 Communication Protocol All the data is expressed by 16 systems. 6.3.2 Salve machine address The address of frequency inverter should be set through P88, 0 is broadcast address, slave address could be set to 1~247.
  • Page 142 Chapter 6 Communication Protocol SVF-MN Series Frequency Inverter Operation Manual 2106H Output voltage 0.1V Multi-speed 2107H current segment 2108H Reserve 2109H Reserve 210AH Reserve Motor rotate speed 210BH 210CH Reserve Temperature 210DH frequency inverter 0.1℃ feedback value 210EH 0.01V 210FH PID target value 0.01V...
  • Page 143 SVF-MN Series Frequency Inverter Operation Manual Chapter 6 Communication Protocol 5: Over-current during Deceleration Over-current constant speed operation 7: Over-voltage during Acceleration 8: Over-voltage during Deceleration Over-voltage constant speed under-voltage fault 11: Motor over-load 12: Frequency inverter over-load 13: Reserve...
  • Page 144 Chapter 6 Communication Protocol SVF-MN Series Frequency Inverter Operation Manual 21: EEPROM operation fault 22: Reserve 23: Reserve 24: Temperature sensor fault 25: Reserve P00~P162(Corresponding Function Corresponding function system parameter code current value 00H~00A2H ☞Note: The value read from drive is Hex data, which is the integer after ignoring the Decimal point.

  • Page 145: Write Operation Function Code

    SVF-MN Series Frequency Inverter Operation Manual Chapter 6 Communication Protocol ； Parit Parit ； first first y bit -y bit Slave Function Read ； data data data data high address code byte high high byte byte quantity byte byte byte byte （3）For example...
  • Page 146 Chapter 6 Communication Protocol SVF-MN Series Frequency Inverter Operation Manual control command, frequency instruct, function parameter. Just modify a single frequency inverter’s parameter once time. Function code 06：Stands for the function code of writing variable (1)The address distribution of writing parameter...
  • Page 147 SVF-MN Series Frequency Inverter Operation Manual Chapter 6 Communication Protocol Function Address Data Meaning Address communication Frequency commend 2001H setting 0.01Hz frequency BIT0 Reserve Reset commend 2002H BIT1 Reset BIT2~15 Reserve Writing corresponding P00~P162(Corresponding function function code, and 16 systems: 00 00~00...
  • Page 148 Chapter 6 Communication Protocol SVF-MN Series Frequency Inverter Operation Manual Slave Function Parameter Parameter Data Data Parity Parity address code address address high high byte low byte byte byte high byte byte Frequency inverter responses the frame content of upper machine: frequency inverter return the data is same with upper machine.
  • Page 149 SVF-MN Series Frequency Inverter Operation Manual Chapter 6 Communication Protocol Slave Function Parameter Parameter Data Data address code address address high Parity Parity high byte low byte byte byte high byte byte Example2: The Dec time of frequency inverter changes to 30.0s through upper machine, corresponding 16 system data is 012CH, and not store this setting when power-off.

  • Page 150: Abnormal Responding Function Code

    Chapter 6 Communication Protocol SVF-MN Series Frequency Inverter Operation Manual Slave Function Parameter Parameter Data Data address code address address high Parity Parity high byte low byte byte byte high byte byte 6.3.5 Abnormal Responding Function Code （1）Abnormal responding form For the normal response, the frequency inverter responds the feedback data to upper machine according to the above form.
  • Page 151 SVF-MN Series Frequency Inverter Operation Manual Chapter 6 Communication Protocol function the requirement in the wrong state The required address of the PC is not Illegal data allowed; especially, register address and the address number of bytes transmitted combination is invalid.
  • Page 152 Chapter 6 Communication Protocol SVF-MN Series Frequency Inverter Operation Manual （3）For example 1: To change the frequency inverter’s main frequency source to 9 through upper machine, and store that setting value after power-off. The upper machine sends the data to frequency inverter as follows;...

  • Page 153: Crc Parity

    SVF-MN Series Frequency Inverter Operation Manual Chapter 6 Communication Protocol 6.4 CRC parity Based on MODBUS-RTU’ 16 CRC panty, get Parity bit high byte and low byte. The CRC verify function as follows; unsignedintcrc_chk_value(unsigned char *data_value, unsigned char length) unsignedintcrc_value=0xFFFF;...

  • Page 154: Chapter 7 Troubleshooting

    Chapter 7 Troubleshooting SVF-MN Series Frequency Inverter Operation Manual Chapter 7 Troubleshooting Table 7-1 listed the possible faults of SVF-MN, and the fault code indicate range is from E001 and E004 ~ E025. Once a fault occurs, you may check it against the table and record detailed phenomena before seeking service from your supplier.
  • Page 155 SVF-MN Series Frequency Inverter Operation Manual Chapter 7 Troubleshootin Fault Fault Possible reasons Actions categories of fault code Drive power is Select a high power too small drive Prolong the Dec time Too short Dec time Over-current Low AC supply...
  • Page 156 Chapter 7 Troubleshooting SVF-MN Series Frequency Inverter Operation Manual Fault Fault Possible reasons Actions categories of fault code rotating Avoid re-start after motor re-starts drive stops after the drive instantly stops instantly. Too short Dec Prolong the Dec time time...
  • Page 157 SVF-MN Series Frequency Inverter Operation Manual Chapter 7 Troubleshootin Fault Fault Possible reasons Actions categories of fault code Check load, Load in creases adjust the value of suddenly torque boost The drive's and motor's powers Use suitable motor don't match...
  • Page 158 Chapter 7 Troubleshooting SVF-MN Series Frequency Inverter Operation Manual Fault Fault Possible reasons Actions categories of fault code Vent Clean the vent or obstructed or fan replace the fan does not work Lower the ambient Over-temperature temperature Wires connectors Check and rewiring...
  • Page 159 SVF-MN Series Frequency Inverter Operation Manual Chapter 7 Troubleshootin Fault Fault Possible reasons Actions categories of fault code Wires connectors Check and re-wire control board are loose Current Auxiliary power detection supply Seek service circuit E019 damaged fault output loose...

  • Page 160: Common Fault And Handling Methods

    Chapter 7 Troubleshooting SVF-MN Series Frequency Inverter Operation Manual Fault Fault Possible reasons Actions categories of fault code Check the motor’s Overtime wiring, parameters’ auto-learning settings Press STOP/RST to fault reset control EEPROM parameters Seek service E021 fault EEPROM Seek service...
  • Page 161 SVF-MN Series Frequency Inverter Operation Manual Chapter 7 Troubleshootin Table 7-2 Common fault and handling methods Phenomena Possible reasons of fault Actions Drive's input supply Check with inconsistent with the rated multi-meter drive voltage troubleshoot issue. doesn’t display after 3-phase...
  • Page 162 Chapter 7 Troubleshooting SVF-MN Series Frequency Inverter Operation Manual Between the phases of output drive Seek service module have shorted display normal, after Troubleshoot power-on, the Between the motor’s lines issue MCCB of the have shorted or grounded power trips...

  • Page 163: Chapter 8 Emc

    SVF-MN Series Frequency Inverter Operation Manual Chapter 8 EMC Chapter 8 EMC 8.1 Definition EMC is that the electrical equipment is operating in the environment with electromagnetic interference, does not interfere electromagnetic environment and stably achieve its function. 8.2 EMC Standard Introduction According to the requirements of national standard GB/T12668.3,...

  • Page 164: Emc Direction

    Chapter 8 EMC SVF-MN Series Frequency Inverter Operation Manual Chapter 8.3 EMC Direction 8.3.1 Harmonic Influence The power's high-order harmonics will damage the drive. So in the area with poor power quality, propose to install the AC input reactor. 8.3.2 EMI and Installation Notes Two kinds of EMI: one is electromagnetic noise of the environment to interfere the drive;...

  • Page 165: Handle Interference Generated By Drive To Interfere The Environment

    SVF-MN Series Frequency Inverter Operation Manual Chapter 8 EMC A. Install surge absorbers in the component which can generate interference； B. Install filter in the drive input, refer to the 8.3.6 to operate. C. The wire of the drive’s input and the detecting line should use shielded cable, and be properly earthed.
  • Page 166 Chapter 8 EMC SVF-MN Series Frequency Inverter Operation Manual Chapter 8.3.5 Leakage current and its processing system When use drive, there are two kinds of leakage current: one is the leakage current to ground; the other is the leakage current between line and line.

  • Page 167: Note Of Installing

    SVF-MN Series Frequency Inverter Operation Manual Chapter 8 EMC 8.3.6 Note of installing EMC input filter in the power input side attention: Please use the filter in strict Accordance with rated value; because filter is Ⅰ type electrical equipment, the metal ground of...
  • Page 168 Maintenance record Customer’s company Address Post code Post code Tel: Tel: Product No.: Model: Matched equipment: Motor: Purchasing Supply Unit: Date: Contact Tel: person: Servicing Fax: engineer Maintenance Date Thank you for using SVF-MN series Variable Frequency Drive made by CHINS...
  • Page 169 Guarantee Agreement Warranty of the company products executes in Accordance with "the quality assurance" in instructions. 1. Warranty period is 12 months from the date of purchasing the product 2. Even within 12 months, maintenance will also be charged in the following situations: 2.1.

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