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MD Series Modular Vector Inverter MD300 User`s Manual

1. F1 00 Motor type selection Default 0 0 Common asynchronous motor Setting range 1 Variable frequency asynchronous motor 2 Permanent magnetic synchronous motor F1 01 Rated power Default Depending on inverter model Setting range 0 4 1000 0kVV F1 02 1 Rated voltage Default 380V Setting range 0 440V F1 03 Rated current Default Depending on inverter model Setting range 0 00 655 35A F1 04 1 Rated frequency Default 50 00Hz Setting range 0 00Hz Maximum frequeney F1 05 1 Rated rotation Velocity Default 1460rpm Setting range 0 30000rpm Note 54 Chapter 6 Parameter Description Please set according to the nameplate parameters of the motor The excellent control performance of vector control depends on the accurate motor parameters The accurate parameter identification is based on the correct setting of the motor rated parameters Please perform the motor configuration according to the standard adaptable motor of the inverter in order to guarantee the control performance If the difference between the motor power and the standard adaptable motor is too large the control performance of the inverter will greatly reduce F1 06 Stator resistance Default Depending on inverter model Setting range 0 001 65 535Q F1 07 Rotor resistance Default Depending on inverter model Setting range 0 001 65 535Q F1 08 Leakage inductance
2. F2 00 Proportional gain 1 of speed loop of vector control Default 30 Setting range 1 100 F2 01 Integration time 1 of speed loop of vector control Default 0 50s Setting range 0 01 10 00s F2 02 Switching frequency 1 of vector control Default 5 00Hz Setting range 0 00 F2 05 F2 03 Proportional gain 2 of speed loop of vector control Default 25 Setting range 0 100 F2 04 Integration time 2 of speed loop of vector control Default 1 00s Setting range 0 01 10 00s F2 05 Switching frequency 2 of vector control Default 10 00Hz Setting range F2 02 Maximum output frequency The parameters of F2 00 and F2 01 refer to Pl adjustment parameters when the running frequency is lower than the switching frequency 1 F2 02 while the parameters of F2 03 and F2 04 refer to Pl adjustment parameters when the running frequency is higher than the switching frequency 2 F2 05 56 Chapter 6 Parameter Description The PI adjustment parameter between the switching frequency 1 and switching frequency 2 refers to linear switching between two sets of Pl parameters PI parameter F2 02 F2 05 Frequency command Fig 6 2 PI Parameters Schematic Diagram It can regulate the speed dynamic response characteristic of the vector control by setting the proportional coefficient and integration time of the speed regulator It can accelerate the dynamic response of the speed loop by increasing the proportional gain or decreasing
3. 2 6 Optional Parts Name Model Function Remark Product model Single phase 0 4 2 2kW built in brake 3 phase 3 7 15kW built in Built in brake unit has a suffix of unit optional 3 phase 0 75 2 2kVV brake unit Standard B 18 5 30kW built in brake unit optional configuration inestomoldin Change injection molding machine 0 1A Special for energy saving J 8 MD30IN or 0 24V to 0 10V and output without of injection molding machine card insulation machine MD series of PAtemabEED MDKE External LED display and keypad general purpose RJ45 keypad interface Parameter co MI series ot py MDCP Parameter copy general purpose RJ45 interface i interface Standard 8 core network cable that can be Four specifications 1m Prolonged ie MOSAB connected to MDKE and MDCP 3m 5m and 10m Refer to Fig 2 5 for the installation of optional parts and refer to the instructions on the optional parts on the detailed function and usage of the optional parts If the user needs the above optional part please note this when ordering m Operation panel interface Injection molding machine card 7 Control terminal Main circuit terminals ms Fig 2 5 Installation of optional parts 2 7 Daily Maintenance of Inverter 1 Daily Maintenance Since the influence of ambient temperature humidity dust and vibration the components in inverter may become aging and wearing which will give rise
4. 65 Chapter 6 Parameter Description When the inverter starts running if the reference frequency is lower than the frequency lower limit then the inverter has no output During the running process if the reference frequency is lower than the frequency lower limit then the inverter will always be running with frequency lower limit till it stops or the reference frequency is higher than the frequency lower limit F6 03 Carrier frequency Default Depending on the inverter model Setting range 0 5 16 0kHz This function is used to adjust the carrier frequency of the inverter Adjusting the carrier frequency may diminish the motor noise avoid the resonant point of the mechanical system reduce the grounding leakage current of the line and decrease the interferences generated from the inverter When the carrier frequency is low the output current harmonics will be increased the motor loss will be augmented and the motor temperature rise will be increased too When the carrier frequency 1s high the motor loss will be decreased and the motor temperature rise will be diminished But the loss and temperature rise of the inverter will be added so will the interference 66 Chapter 6 Parameter Description Adjusting the carrier frequency may have influences on the following performances Carrier frequency Low High Motor noise High Low Output current
5. within the value required by th regulation Measure if the DC bus voltage is normal No Check if the rectifying bridge or the buffering resistor is norm No Check if the drive board is normal No Check if the main control board is normal Motor overload Err 11 The motor protection parameter F9 01 setting is suitable or not Yes The load is too big or the motor is blocked The type of inverter is small 76 Yes No motor driver inverter reset Adjust the power supply or remove the peripheral power supply loop fault No Replace the damaged rectifying bridgi or the buffering resistor No Change drive board No Change main control board Sess Se n n ee We a Se R xn No Yes Correctly set up the parameter Reduce the load or increase the inverter capacity Chapter 7 Fault Diagnosis and Countermeasures Input side phase loss Err 12 Check if the three phase input wer isonal Check and remove the problems in the peripheral lines Seek technical support P To make the three phase power entering the frequency inverter normal Check if the drive board is normal Change drive board Yes The miin control
6. F1 Group Motor Parameter F1 00 Motor type selection 0 Common asynchronous 1 x 17 motor 1 Inverter asynchronous motor 2 Permanent magnetic synchronous motor Reserved F1 01 Rated power 0 1 1000 0kVV 0 1 Depending x 18 on inverter model F1 02 Rated voltage 0 440V 380V 42 Chapter 5 Function Parameters Func Name Setting Range Min Default Modified Serial Code unit No F1 03 Rated current 0 00 655 35A 0 01 Depending x 20 on inverter model F1 04 1 Rated frequeney 0 00Hz Maximum frequency 50 00Hz F1 05 Rated speed 0 30000rpm 1460rpm F1 06 Stator resistance 0 001 65 535Q 0 001 Depending Q on inverter model F1 07 Rotor inductance 0 001 65 5350 0 001 Depending Q on inverter model F1 08 Leakage inductance 0 01 655 35mH 0 01 Depending mH on inverter model F1 09 Mutual inductance 10 1 6553 5mH 0 1 Depending mH on inverter model Hz Z F1 10 Excitation current 0 01 650 00A 0 01A Depending on inverter model F1 11 Tuning selection 0 No tuning 1 Static tuning 2 Complete tuning F2 Group Vector and VF Control Parameter a 77 577 277 701 F2 00 Proportional gain 1 10 100 1 30 29 of speed loop of vector control F2 01 Integration time 1 of 0 01 10 00s 0 01s 10 50s 30 speed loop of vector control F2 02 Switching frequency 0 00 F2 05 0 01 5 00Hz 31 1 of vector control parameter P1 F2 03 Proportional gain 2 1 100 1 25 3
7. 5000 15 FO la 0 08 2 50 00 PRG PRG PRG Digital display I level menu 2nd level menu ENTER 3 level menu Fig 4 2 Operation Procedures for 3 level Menu Note When operating 3 level menu pressing PRG or ENTER can return to second level menu The difference is pressing ENTER will save the parameters and return to second level menu and then shift to the next function code while pressing PRG will return to second level menu without saving the parameters Example Change the setting of F2 05 from 10 00Hz to 15 00Hz Bold means flash bit Stop Display ENTE PRG A 50 00 0 2 2 00 2 05 ENTER prot ENTER 2 F2 F2 06 1500 10 00 7 10 00 v 7 o Fig 4 3 Example for Parameter Changing In third level menu if the parameter has no flash bit it means the function code cannot be changed and the possible reasons are 1 This parameter of this function code cannot be changed such as the actually detected parameter and running record parameter 2 This function code cannot be changed in operating status and can only be changed when the inverter is stopped 4 3 How to View Status Parameters When MD300 inverter is in the stop or running status several status parameter of the inverter can be displayed on the LED nixie tube Pressing the key hl can display the stop or running stat
8. MD300 l i 1 i 100mm i 1 Note No need to consider the dimension Note Install an airflowguidance plate A for inverter of 22kW or below for the up and down installation of inverters A shall be bigger than 50mm for the inverter of 22kW or above Up and down installation of inverters Installation of single inverter Fig 3 1 MD Series Inverter Installation Location 22 Chapter 3 Mechanical and Electrical Installation The user shall focus on the heat dissipation issues when installing the inverter and pay attention to the following points 1 Install the inverter vertically so that the heat may be expelled from the top but do not install the inverter upside down When two Variable Speed Drives are mounted up and down an air flow diverting plate should be fixed in between as shown in Fig 3 1 2 Installation space is shown in Fig 3 1 so as to ensure the heat dissipation space but consider the heat dissipation of other components when placing the inverter 3 The installation bracket must be flame retardant 4 Install the heat sink outside of the cabinet if the inverter is installed in the area with metal powder And in this case the space inside the sealing cabinet shall be big enough 3 Install and Remove the Bottom Cover The MD series of inverter of 15kW or below uses plastic covers Refer to Fig 3 2 for removing the bottom cover the cover can be removed by using a tool to push the hook inward Lower
9. f parameter identification is required please pay attention that the rotating motor may injure people otherwise accident may occur e Do not change the factory settings otherwise the inverter may be damaged 6 Running e Do not approach the equipment when restart function is enabled otherwise there will be danger of injury e Do not touch the fan and the discharging resistor to check the temperature otherwise burning may occur e Non professional person shall not measure the signal of a running inverter otherwise there will be danger of injury or damaging the inverter e Do not let objects fall in a running inverter otherwise the inverter may be damaged e Do not start and stop the inverter by on off of the contactor otherwise the inverter may be damaged Chapter 1 Safety and Cautions 7 Maintenance e Please do not repair or maintain the inverter with power on otherwise there will be danger of electric shock e Please repair or maintain the inverter after confirming the charge LED turns off otherwise there may be human injury caused by the residual voltage of the capacitor e Only qualified electrical engineer can repair or maintain the inverter otherwise there will be danger of human injury or damaging the equipment 1 2 Cautions 1 Check the Insulation of the Motor When the motor is used for the first time or reused after storing for a long time or in regular checkup the user must che
10. Default 20 Setting range O no over current stall H 100 Adjust the over current stall capacity of the inverter to avoid over current fault The bigger is the value the more powerful the suppressing capacity is For the load with small inertia the small value is recommended or it will slow down the system dynamic response For the load with large inertia the big value is recommended otherwise there will be over current fault due to poor suppressing effect F5 05 Over current stall action value Default 150 Setting range 100 200 Select the protection value of the over current stall function The inverter starts executing the over current stall protection function when this value is surpassed 64 Chapter 6 Parameter Description F5 06 Fault automatic reset times Default 0 Setting 0 3 When the fault automatic reset function is selected for the range inverter the times that can be automatically reset is set If this value is surpassed the inverter is faulty and stops waiting for maintenance F5 07 Fault automatic reset interval Default 1 0s Setting 0 1 100 0s The time interval between the beginning of the fault and range the implementation of automatic reset F5 08 Input phase failure protection selection Default 1 Setting 0 Disabled Select whether to protect w
11. Default Depending on inverter model Setting range 0 01 655 35mH F1 09 Mutual inductance Default Depending on inverter model Setting range 0 1 6553 5mH F1 10 Excitation current Default Depending on inverter model Setting range 0 01 650 00A If the automatic tuning of the motor is completed normally the setup values in F1 06 to F1 10 will update automatically If modifying the motor rated power the parameter values of the inverter in F1 06 to F1 10 will automatically recover to the default standard motor parameters Quadruple Y series induction motor If the motor cannot be tuned on the site the known parameters of the same kind of motors can be a reference for manual input F1 11 Tuning selection Default 0 0 No tuning Setting range 1 Static tuning 2 Complete tuning Note The correct motor rated parameters F1 01 F1 05 must be set before tuning 0 No tuning it means tuning is forbidden 1 Static tuning it is applicable to the situation in which the rotation tuning cannot be performed because it is difficult to separate the motor from the load Operation description Set the function code as 1 and press the RUN button to identify then the inverter will conduct the static tuning 55 Chapter 6 Parameter Description 2 Complete tuning To ensure the dynamic control performance of the inverter please select the rotation tuning When performing the rotation tuni
12. cover Hook Press inward at symmetric sides Slot for hook Fig 3 2 Remove the bottom cover The MD series of inverter of 18 5KW or below uses metal covers Refer to Fig 3 3 for removing the bottom cover the cover can be removed by removing the screws of the cover When removing the bottom cover be sure to avoid the human injury caused by the falling of the bottom cover 23 Chapter 3 Mechanical and Electrical Installation Lower cover Fig 3 3 Remove the metal bottom cover 32 Electrical Installation 1 Model Selection of External Devices Circuit breaker Contactor Input cables Output Control Grounding Inverter Model MCCB A Cane cables cables cables A mm mm mm MD300S0 4 16 10 2 5 2 5 1 2 5 MD300S0 7 16 10 2 5 2 5 1 2 5 MD300S1 5 20 16 4 2 5 1 2 5 MD30082 2 32 20 6 4 1 2 5 MD300T0 7 10 10 2 5 2 5 1 2 5 MD300T1 5 16 10 2 5 2 5 1 25 MD300T2 2 16 10 2 5 2 5 1 2 5 MD300T3 7 25 16 4 4 1 2 5 MD300T5 5 32 25 6 6 1 4 MD300T7 5 40 32 6 6 1 4 MD300T11 63 40 6 6 1 4 MD300T15 63 40 6 6 1 4 MD300T18 5 100 63 10 10 1 4 MD300T22 100 63 10 10 1 4 MD300T30 125 100 16 16 1 4 24 Chapter 3 Mechanical and Electrical Installation 2 Using of External Devices Device Installation location Function Air switch Front end of input circuit Switch off the power supply when over current occurs on the downstream
13. equipment 2 Switch on off the inverter but avoid switching on off the inverter Contactor Connected beteen a frequently by directly using the contactor less than 2 times in one breaker and the inverter d minute 1 Improving the input power factor 2 Eliminate the high frequency harmonics in the input and AC input Inverter input prevent the voltage distortion from damaging other equipment reactor 3 Eliminate the input current unbalance due to the unbalance of the input three phases 1 Improving the input power factor DC reactor Use DC reactor for the MD series 2 Improve the efficiency and reliability of inverter of inverter of 7 5kw or above 3 Eliminate the high frequency harmonics in the input to reduce the conduction and radiation The inverter output voltage usually has high frequency harmonics The distributed capacitance will be big if the inverter is far away from the motor therefore resonance may occur which may result Connected between the inverter in AC output output and the motor and the 1 Damaging the motor insulation and damaging motor that has reactor reactor shall be as close to the been in this status for a long time inverter as possible 2 Big leakage current and make the inverter enter into protective status frequently If the distance between the inverter and the motor is longer than 100m it is recommended to install the AC output reactor 3 Wiring Mode 25 Chapter 3 Mechanical and Electrical Installat
14. line Running Mode Where SB1 Stop button SB2 Forward Rotation Button SB3 Reverse Rotation Button Din refers to the multifunctional input terminals between DII to DI4 At this time the corresponding terminal function shall be defined as the 37 function Three line Running Control 59 Chapter 6 Parameter Description Note As for the two line running mode if the inverter stops because of the stop command generated by other sources the inverter cannot run after the stop command disappears even though the control terminal FWD REV is still valid To rerun it you shall retrigger the FWD REV For example the valid STOP button stop under the terminal running command channel Refer to F6 12 However the stop due to the fault alarm is different It is the function code in F6 09 that controls whether it can run or not F3 01 Terminal UP DOWN rate Default 1 00Hz s Setting range 0 01 100 00Hz s The terminal UP DOWN can be used to regulate the change rate when setting the frequency F3 02 AI minimum input Default 0 00V Setting range 0 00 10 00V F3 03 Setting corresponds to AI minimum input Default 0 0 Setting range 100 0 100 0 F3 04 AI intermediate 1 input Default 5 00V Setting range 0 00 10 00V F3 05 Setting corresponds to AI intermediate 1 input Default 50 0 Setting range 100 0 100 0 F3
15. manual provides the guidance for model selection installation parameter configuration field commissioning and trouble shooting daily maintenance relevant cautions and guidance for maintenance In order to correctly use this series of inverter please read the manual thoroughly and keep it carefully for later use For the equipment support customers please deliver the manual together with the equipment to the end user Notes for unpacking inspection Upon unpacking please confirm the following 1 Check whether the model and the rated values on the nameplate of the inverter are in accordance with your order The box contains the product you order the QC operation manual and the warranty card 2 Check if there is any damage occurred during transportation Please contact us or the distributor if you find any missing or damage of the products For first time user In order to use this product correctly the user who uses the product for the first time must read this manual carefully and consult our technical support engineer for any questions on the function or performance The manual is subject to revision without notice due to the continued improvement of the products Chapter 1 Safety and Cautions Chapter 1 Safety and Cautions Safety Definition There are two kinds of safety cautions in the manual A Danger Operations which are not performed according to the requirements may cause severe hurt or ev
16. parameter if the user password is incorrect Remember the user password being set If you do forget or wrongly set the password please contact the manufacturer FP 01 Parameter initialization Default 0 Setting range 0 No operation 1 Recover the default 2 Clear the fault records 1 The inverter will restore all parameters to the default ones 70 Chapter 6 Parameter Description 2 The inverter will remove the latest fault records 71 Chapter 7 Fault Diagnosis and Countermeasures Chapter 7 Fault Diagnosis and Countermeasures 7 1 Fault Alarm and Countermeasures The MD300 inverter has 21 pieces of alarm information and protection functions in total Once the fault occurs the protection function starts the inverter stops inputting the fault relay contact point is activated and the fault code will be displayed on the display panel of the inverter Before seeking services the subscriber may conduct the self check according to the prompt given in this section analyze the fault causes and find out the solutions If the fault belongs to the causes described in the broken line box please seek the service by contacting the inverter agent or directly contacting our corporation Among the 21 pieces of alarm information Err22 serves as the hardware over current and over current signal In most cases the Err alarm is caused by the hardware over voltage fault Inverse unit protec
17. resonance may occur due to the distributed capacitance which may result in damaging the motor insulation or big leakage current so if the cable length is longer than 100m AC reactor must be installed E Grounding Terminal Grounding Terminal must be connected to earth reliably and the grounding resistance shall be less than 5Q otherwise the equipment may work abnormally or be damaged Do not share the PE and neutral line of the mains supply 5 Control Terminals and Wiring 1 Layout of Control Terminals 10V All A12 GMD AO DII D12 D13 D14 COM DO 24V T A TB T C 29 Chapter 3 Mechanical and Electrical Installation 2 Function of Control Terminals Type Terminal Terminal name Function 10V power supply outwards Maximum output current 10mA 10V GND External 10V power supply Usually used as the external potentiometer working power supply the resistance value of the Power Supply potentiometer 1 5K 24V power supply outwards usually used as the 424 COM External 424V power supply power supply for the digital input output terminal and the external sensor Maximal output current 200mA 3 1 Input voltage range DC 0 10V AII GND Analog input terminal 1 2 Input resistance 100KQ Analog 1 Input range DC 0 10V 4 20mA selected and Input decided by the jumping wire J3 on the control board AN
18. slip compensation coefficient is set as 100 the rotation velocity of the motor attached to the inverter is close to the reference speed F2 10 Resonant suppressing gain of V F Default 0 control Setting range 0 100 If there is no mechanical resonance this parameter should be 0 This gain shall be appropriately increased when the motor cannot run normally due to obvious resonance The higher the gain is the more effective the gain is suppressed To prevent impact on the VF running this gain shall be minimized on the condition that the resonance can be effectively suppressed 58 Chapter 6 Parameter Description F3 Group Terminal Input and Output F3 00 Terminal command mode Default 0 1 Two line mode 2 Three line mode This parameter defines two different running modes of the inverter controlled by the external terminal 0 two line Running Mode The rotation direction of the motor depends on the FWD and REV terminals MD300 lolo Stop REV rotation 1 Po i rss 1 1 Stop Fig 6 3 Two line Running Mode 1 1 Three line Running Mode 1 The DIn of this mode is enable terminal The direction is controlled by the FWD and REV But the pulse is valid so it must disconnect the DIn terminal signal to stop so D ERN MD300 FWD SBlri L r 9 DIn SB3 3 REV COM Fig 6 4 Three
19. such as FWD REV JOGF JOGR etc 48 Chapter 6 Parameter Description F0 02 Main frequency source X selection Default 0 0 Digital setting UP DOWN not memorize 1 Digital setting UP DOWN memorize 2 Pulse setting DI4 Setting range 3 All 4 Al2 5 MS speed Select the input channels of the main reference frequency for the inverter There are 6 main reference frequency channels such as 0 Digital setting not memorize The initial value equals to that of F0 04 Digital setup preset frequency It can modify the setup frequency value of the inverter by using the keys A and W or the buttons of UP and DOWN of the multifunctional input terminal Not memorize means that the setup frequency value can be recovered as that of F0 04 Digital setup preset frequency when the inverter is powered down 1 Digital setting memorize The initial value equals to that of F0 04 Digital setup preset frequency It can modify the setup frequency value of the inverter by using the keys of A and W or the buttons of UP and DOWN of the multifunctional input terminal Memorize means that the setup frequency value can be recovered as that before power off 2 Pulse setting DIA The frequency reference is set through the terminal pulse Pulse reference signal specifications Pulse voltage range 9 30V pulse frequency range 0 50K Hz Note The pulse reference can only be input
20. to the occurrence of potential faults and reduce the life of inverter Therefore it is quite necessary to perform routine and periodic maintenance to the Inverter 17 Chapter 2 Product Information The filter capacitor still has high voltage after the power supply to the inverter is switched off so do not maintain or repair the inverter until the bus voltage measured by a multi meter is below 36V Daily checking items 1 Check if there is any abnormal noise during the running of motor 2 Check if there is any vibration of motor 3 Check if the installation environment of inverter changes 4 Check ifthe cooling fan of inverter works normally 5 Check if the inverter is over heated Daily cleaning e Keep the inverter in a clean status e Clear the dust from the inverter and prevent the dust especially the metal powder from entering the inverter Clear the oil dirt in the cooling fan of the inverter 2 Periodical Checking Periodically check the places that are hardly checked during the running Checking items 1 Check the ventilation channels and clean them periodically 2 Check if the screws are loose 3 Check if the inverter is rusted 4 Check if the input output terminals has burning mark 5 Check the insulating in main circuit Note Insulation test use 500V Mega Ohm Meter should be done separately after disconnecting the input power cables from the inverter or else the inverter will be damage
21. via the multifunctional input terminal 3 All 4 AD They mean that the frequency is determined by the analog input terminal The standard unit of MD300 series inverters provides two analog input terminals in which All is 0 10 V voltage input while AI2 can be either the 0 10 V voltage input or 0 20mA current input which is selected by the J3 jumper on the control panel 5 MS speed 49 Chapter 6 Parameter Description Select the MS speed running mode It needs to set the Dl input terminal and the parameters of Group F6 14 F6 17 to identify the relative relations between the reference signal and reference frequency F0 03 Auxiliary frequency source selection Default 0 0 Invalid Setting range 1 Valid The auxiliary frequency source is Al2 and only corresponds to No 0 1 and 2 of F0 02 The auxiliary frequency source has only one A12 channel And it is enabled only when No 0 1 and 2 are selected in F0 02 F0 04 Command source selection Default 50 00Hz 0 00 maximum frequency enabled when the frequency source selection mode Setting range is digital setting When the main frequency source is selected as Digital setting this function code value is the digital setting initial value of the inverter s frequency F0 05 Acc time Default 20 0 F0 06 Dec time Default 20 0 Setting range 0 0 3000 0s Acc time refers to
22. wave form Poor Good Motor temperature rise High Low Inverter temperature rise Low High Leakage current Small Large Radiation interference Small Large F6 04 Jog running frequency Default 1 2 00 Hz Setting range 0 00Hz maximum frequency It is used to define the reference frequency of the inverter when jogging Follow the start mode 0 F0 15 direct start and the stop mode 0 F0 16 deceleration stop to start and stop the jogging process F6 05 Jog acceleration time Default 20 0s Setting range 0 0 3000 0s F6 06 Jog deceleration time Default 20 0s Setting range 0 0 3000 0s The jog acceleration time refers to the time required for the inverter to accelerate from 2 to the maximum frequency F6 00 The jog deceleration time refers to the time required for the inverter to decelerate from the maximum frequency F6 00 to 0Hz F6 07 Run reverse control Default 0 Setting range 0 Run reverse enabled 1 Run reverse disabled If this parameter is selected as 0 the reverse may be controlled by the keypad or terminal If this parameter is selected as 1 the reverse control function is disabled no matter whether it is keypad control or terminal control F6 08 FWD REV dead zone time Default 0 0s Setting range 0 0 3000 0s It refers to the transition time at the zero output frequency when setting the FWD REV rotation tr
23. 0 invalid 1 valid The inverter can be selected to detect whether or not the earth short circuit fault exists to the electric engine after power on If the function is valid the inverter has a short time output when powering on F6 14 MS speed 0 Default 0 0Hz Setting range Negative maximum frequency maximum frequency F6 15 MS speed 1 Default 0 0Hz Setting range Negative maximum frequency maximum frequency F6 16 MS speed 2 Default 0 0Hz Setting range Negative maximum frequency maximum frequency F6 17 MS speed 3 Default 0 0Hz Setting range Negative maximum frequency maximum frequency When the frequency source is selected as MS speed 0 02 5 the values of F6 14 F6 17 must be set F6 18 Heat sink temperature Default Setting range 0 0 150 0 C Displaying the temperature of the heat sink F6 19 Software version No Default Current software version No FF Group Manufacturer Parameter Reserved FP Group User Password FP 00 User password Default 0 Setting range 0 65535 VVhen the passvvord is set as any non zero number the passvvord protection function comes into effect 0000 The password protection function is invalid Upon the setting and validation of user password enter the parameter setting status again and you may only view the parameter and cannot modify the
24. 00815 3 0 14 2 7 0 1 5 MD30082 2 Mod 4 0 23 0 9 6 22 MD300T0 7 15 34 24 0 75 MD300T1 5 3 0 5 0 3 8 15 MD300T2 2 4 0 5 8 5 1 22 MD300T3 7 5 9 10 5 9 0 3 7 MD300T5 5 Three phase 380V 8 9 14 6 13 0 5 5 MD300T7 5 77 11 0 20 5 17 0 7 5 MD300T11 77 779 17 0 26 0 25 0 11 0 MD300T15 21 0 35 0 32 0 15 0 MD300T18 5 24 0 38 5 37 0 18 5 MD300T22 30 0 46 5 45 0 22 0 MD300T30 40 0 62 0 60 0 30 0 12 Chapter2 Product Information 2 4 Technical Specification Specification Maximum output frequency 300Hz Specification Personalized function Input output characteristic 0 5K 16K Hz Carrier frequency Carrier frequency can be adjusted automatically according to the load characteristic Digital setting 0 01Hz Input frequency resolution Analog setting Maximum frequencyx0 1 Open loop vector control SVC Control mode control vector control VC DC brak DC brake frequency 0 2Hz Maximun frequency brake time 0 0 36 0s brake current 0 0 100 0 Jog frequency range 0 20Hz 50 00Hz Jog Acc Dec time Jog control 0 0 3000 0s Self checking of external equipment upon Power on earthing and short circuit Check the security of external equipment upon power on such as Shared DC bus Several motors can share one DC bus MF K k Programmable key selection PME forward reverse programmable jog Command channel terminal serial port command channel run operation Two chan
25. 06 Al intermediate 2 input Default 8 00V Setting range 0 00 10 00V F3 07 Setting corresponds to AI intermediate 2 input Default 80 0 V Setting range 100 0 100 0 F3 08 AI maximum input Default 10 00V Setting range 0 00 10 00V F3 09 Setting corresponds to AI maximum input Default 100 0 Setting range 100 0 100 0 The above function codes define the relations between the analog input voltage setup value and the analog input representative setup value When the analog input voltage is over the setup maximum input or minimum input it will be calculated according to the maximum input or minimum input When the analog input equals to the current input 1mA current is equivalent to 0 5V The nominal value corresponding to the analog setup 100 varies with the application situation For details please refer to the description of each application part 60 Chapter 6 Parameter Description Following are diagrams for several setup examples Corresponding Setup Value Frequency Torque etc F3 09 100 094 mmm F3 07 75 0 rmm F3 05 25 0 F3 03 0 094 OV 4V 6V 10V Al F3 02 F3 04 F3 06 F3 08 Corresponding Setup Value F3 09 100 0 Sauene Torque etc F3 07 75 0 mmm 3 05 0 0 F3 03 25 0 0V 4V 6V 10V F3 02 F3 04 F3 06 F3 08 Fig 6 5 The Corresponding Relations between the Analog Reference and the Setup Value The method of setting the AI2 function is similar to t
26. 2 of speed loop of vector control F2 04 Integration time 2 of 0 01 10 00s 0 01s 1 00s 33 speed loop F2 05 Switching frequency F2 02 50 00Hz 0 01 10 00Hz 34 2 of vector control H parameter F2 06 Slip compensation 50 200 1 100 35 coefficient of vector control F2 07 Filter time of speed 0 000 1 000s 0 001s 0 002s 36 loop VF control AVR selection F2 08 Torque upper limit 5 0 200 0 0 1 150 0 37 of vector control 43 Chapter 5 Function Parameters Func Name Setting Range Min Default Modified Serial Code unit No Slip compensation 10 0 200 076 0 1 10 096 38 coefficient of V F control Resonance 0 100 1 39 suppressing gain of V F control F3 Group Terminal Input and Output F3 00 Terminal control 0 Two line mode 1 x 40 mode FWD REV 11 Three line mode F3 01 Terminal 0 01 100 00Hz s 01H 1 00 Hz s UP DOWN S MESE F3 03 Corresponding So 0 1 10 0 setting of Al minimum input F3 04 Al intermediate 0 00 10 00V 0 01V 5 00V input F3 05 Corresponding 100 0 100 0 0 1 150 0 x 45 setting of Al intermediate 1 input F3 06 Al intermediate 2 0 00 10 00V 0 01V 8 00V x 46 input F3 07 Corresponding 100 0 100 0 0 1 80 0 x 47 setting of Al intermediate 2 input F3 09 Corresponding 100 0 100 0 0 1 100 0 x 49 setting of Al maximum input F3 10 PULSE input 0 00 50 00KHz 0 01H 50 00KHz maximum frequency F3 11 Input filter time 0 01 10 00s 001s oo
27. 3185929 86 755 27589601 05 Fax 86 755 83185929 86 755 27589710 Zip code 518036 Shenzhen Inovance Technology Co Ltd Warranty Card of the Inverter User Company Address Zip code Contact person Tel Fax Equipment Model Equipment Bar Code Agent 1 maintenance records time and maintenance contents Name of the maintenance personnel d 2 24 maintenance records time and maintenance contents Name of the maintenance personnel Jomjoegnueui oy Aq sjonpoud oq yo peradn snonunuo oy enp oonou novu Fueyo josfqns sr pourejuoo uoneuuoju oup sr ursueige d Ado pezuouineun Auy posiosar sys IY 6 juourojejg
28. 4 Forward jeg FJOG refers to jog forward running and RJOG FJOG refers to Jog reverse running See F6 04 F6 05 and 5 Reverse jog F6 06 for details on the jog running frequency and RJOG jog acceleration deceleration time Terminal UP It can be used to modify the increment command Terminal DOWN and decrement command when the frequency is set by the external terminals it can be used to adjust the setting frequency when the frequency source is set as digital setting 8 Coast to stop If the inverter output 1s locked the motor stop is beyond the control of inverter It is often employed for the loads with high inertia and when there is no requirement for the stop time This mode is the same as that described in F0 16 9 Fault reset The external fault reset function It is identical with Reset the RESET key and can be used to implement remote fault reset 11 External fault When the external fault signal is sent to the input inverter the inverter reports fault and stops 12 MS speed The combination of digital status of the two terminal 1 terminals can realize 4 MS speed settings See 13 MS speed attached fig 1 for details on the combination terminal 2 Setting Value Function Description 16 Switching between Enabled only when or 12 is selected in F0 02 All and 12 Frequency source selection 19 UP DOWN setting When the frequency reference is digital frequency clearance terminal reference this termin
29. D Analog input terminal 2 2 Input resistance Voltage input 100KQ Current input 500Q DH Digital input l 1 Input resistance 3 3KQ Functional DE Digital input 2 2 Voltage range of level input 9 30V Digital DI3 Digital input 3 x b 5 input Besides the characteristics of DI1 DI3 it can also be terminal DI4 High speed pulse input terminal used as high speed pulse input channel with a maximum input frequency of 50KHz Analog AO GND Analog output 1 Select voltage or current output through the jumper output J4 Digital T Output voltage range 0 24 output OL Digital output Output current range 0 50mA Relay VB Normally close terminal Contacts drive capability AC250V COSG 0 4 output T A T C Normally open terminal DC30V 1A 3 Notes on Control Terminals A Analog input terminal Since the weak analog voltage signal is easily disturbed by external disturbance source shielded cable shall be used and the cable shall be as short as possible and the length shall not exceed 20m as shown in the figure 3 6 If the analog signal is severely disturbed filter capacitor or ferrite core shall be installed at the analog signal source as shown in the Fig 3 7 30 Chapter 3 Mechanical and Electrical Installation Less than 20m Potentionmeter Fig 3 6 Analog Input Terminal of MD Series Inverter Wind 2 3 turns External analog source Ferrite core 0 022u F 50V Fig 3 7 Analog Input Te
30. High performance Common PG card motor control module Fig 2 Architecture of MD series inverter PG card with frequency dividing Chapter 1 Safety and Cautions solution platform for the specialized requirement in the industry and the users can develop their own solutions based on the module according to his actual needs The module is shown in Fig 2 In product design the MD series inverter has its special characteristics It has independent air ventilation channels and the radiator that can be installed in or outside the cabinet which can provide the solution close to IP54 protection requirements The direct input DC bus terminal and DC power supply for fan enable the product to be compatible with the shared DC bus operation mode Perfect user password protection and quick menu design make the commissioning easier The interface of the panel and the communication port use the standard RJ45 port which ensures the reliability and the low application cost MODBUS RTU protocol is the standard protocol with extended card is compatible with such bus control as PROFIBUS DeviceNet and CANopen and the functional extended card can be identified automatically All these features represent the designing rule of Customer First for MD series inverter This manual is the operational guidance for MD series inverter and MD320 control module Please refer to the operation manual for the use of MD300 control module This
31. Input phase failure ERR12 13 Output phase failure ERR13 14 Heat sink overheat ERR14 15 External fault ERR15 16 Reserved 17 Reserved 18 Current detection failure ERR18 19 Motor tuning failure ERR19 20 Reserved 21 EEPROM memory fault ERR21 22 Hardware failure 23 Motor earth short circuit ERR23 24 Reserved F5 11 Frequency at fault 45 GENE Fault automatic reset 0 1 100 0s 0 1s 1 0s interval 0 Disabled Enabled 1507 EM NE B Z Chapter 5 Function Parameters Func Name Setting Range Min Default Modified Serial Code unit No F5 12 Current at fault 0 01A 0 00A F6 Group Auxiliary Function F6 00 1 Maximum output 50 00 300 00Hz 0 01H 150 00Hz x 73 frequency 2 6 01 Frequency upper Frequency lower limit 0 01H 150 00Hz 74 limit Maximum output frequency 2 6 02 Frequency lower 0 00Hz frequency upper limit 0 00Hz 5551 limit F6 03 Carrier frequency 0 5 16 0KHz 1KH Depending 76 72 inverter model H 0 F6 04 Jog frequency 0 00 50 00Hz 0 01H 2 00Hz EN GN Z 0 0 0 F6 05 Jog acceleration 0 0 3000 0s 20 0s 78 time F6 06 Jog deceleration 0 0 3000 0s 79 time F6 07 Run reverse control 0 Run reverse enabled 1 Run reverse disabled 0 0s oo 1 6 08 FWD REV dead 0 0 3000 0s zone time F6 09 Start protection 0 No protection 1 function 1 Protection F6 10 Frequency reaching 0 0 100 0 Maxi
32. Preface Safety and Cautions Product Information Mechanical and Electrical Installation Operation and Display Function Parameters MD Series Modular Parameter Description Fault Diagnosis and Vector Inverter Countermeasures MD300 User s Manual V1 2 MD Series Modular Vector Inverter User s Manual Inovance Technology Co Ltd will provide you a full set of technical supports Please feel free to contact our local sales offices or service center You may also contact us directly Copyright by Inovance Technology Co Ltd All rights reserved Inovance Technology Co Ltd Contents Contents Chapter 1 4 1 1 Safety Cautions 3 xerunt eee 3 Chapter 2 2 1 Name Designation Rules 22 3 2 2 EINIeIi RE lin 3 2 3 MD300 Series Of ITIVetter iecit nitet e E reet E P EHE as 3 2 4 Technical Specification R o ded he etre er Eee o RR EX e ede 3 2 5 Product Appearance and Dimension of Installation Holes 3 2 6 Optional Parts rote de eter ERE Puer ie 3 2 7 Daily Maintenance of Inverter 3 2 9 Warranly ec red eme ese pl c LARA edited nate U
33. RDU UR skate 3 2 9 Model Selectlori era La ee Heel AA lal eet 3 21 0 Selecting Braking LJnits ier erit rr E eet etre e eti ds 3 Chapter 3 Mechanical and Electrical 3 1 Mechanical Installation eiii te re ce Austen rete de de tee Ere cons 3 3 2 Electrical Installatiori s b Rates 3 Chapter 4 Operation and 22 4 1 Operation and Display Interface 3 4 2 Modify and Check the Function 865 3 4 3 How to View Status Parameters sssssssssseeeeenem eene 3 4 4 Password Seturg tiu taedet vitet tea sina 3 4 5 Auto Tuning of Motor Parameters 3 Chapter 5 Function Parameter M Chapter 6 Parameter FO Group Basic Function 225 3 F1 Group Motor Parameters erii YARLA ARA RAYA S BR AA 3 F2 Group Vector Control and V F Control Parameters 3 F3 Group Terminal Input and 3 F4 Group Start and Stop Control Parameters 3 F5 Group Fault and Protection aiie
34. Y The input voltage is too high or not Yes Adjust the voltage within normal range No If there exists external forces driving the Yes Cancel the external force or install the brake resistor motor operation during the deceleration process pv The deceleration time is too short or not Yes Increase the acceleration time or install the brake resistor No Is th brak istor installed NO S there any brake resistor installe Install the brake resistor Seek technical support Constant over voltage Err 07 Yes The input voltage is too high or not Adjust the voltage within the normal range No Is th the external force drivi s there any the external force drivin 5 Cancel the external force or install the brake resistor the motor during the operation No Seek technical support Power supply fault at stop Err 08 No Is the input voltage within the range Adjust the voltage within the range specified by the regulation required by the regulation Seek technical support 75 Reference for the maintenance personnel Frequency inverter overload Err 10 Chapter 7 Fault Diagnosis and Countermeasures Under voltage fault Err 09 Transient power cut exists or not No heck if the input end voltage 6 the motor driver inverter is
35. a aeaaea aeaa 3 Eo GroupsAuxiliary EUrGtlOn 25 1 erri tene D eet ein ete eec eds 3 FF Group Manufacturer 3 catenin ood 3 Chapter 7 Fault Diagnosis and Countermeasures 7 1 Fault Alarm and Countermeasures 3 7 2 Common Faults and the Fault Diagnosis seem 3 Chapter 1 Safety and Cautions Preface MD series inverter presented by Inovance Technology is a new generation high performance modular inverter that represents the future development of inverter Compared with the traditional inverter it satisfies the requirements of customers on performance and functions by a customized platform instead of several series of products that may increase the cost of manufacturing sales application and maintenance This platform is established on the basis of the segmentation of the customer requirements on which the modular design is conducted through the flexible combination of several modules of single series of products MD series inverter creates three new concepts for the future generation of inverters 1 It initially creates the 3 layer modular architecture standard of the new generation inverter as shown in Fig 1 2 It creates the physical standard for dividing the main function modules such as motor drive universal fu
36. al may be used to clear the and keypad frequency value modified by UP DOWN to restore the referenced frequency to the value set in F0 04 20 Switching terminal When the command source F0 01 is set as 1 for the running this terminal can be used to switch the terminal commands control and the key control K2 Ky Frequency Setting Corresponding Parameter OFF OFF MS speed 0 MS speed 0 OFF ON MS speed 1 MS speed 1 ON OFF MS speed 2 MS speed 2 ON ON MS speed 3 MS speed 3 52 Attached Fig 1 Chapter 6 Parameter Description F0 13 DO output selection Open collector output Default 1 the invert is terminal running 0 3 Setting range Setting Value Function Description 0 No output The output terminal has no function 1 Inverter is running It indicates that the inverter is running with output frequency Meanwhile there is ON signal output 2 Fault output When the inverter is faulty ON signal will be output 3 Frequency arrival See F6 10 for details F0 14 Output selection analog output terminal Default 0 0 0 5 Setting range The standard output of analog output is 0 20mA or 0 10V Its corresponding value range is shovvn in the table belovv Setting Value Function Description 0 Running frequency 0 maximum output frequency 1 Setting frequency 0 maximum output frequency 2 Output curr
37. ansition of the inverter as shown in Fig 6 6 67 Chapter 6 Parameter Description Output frequency ry A Forward rotation gt Run time i i i i 1 1 i 1 i 1 i i Dead zone time Reverse rotation Fig 6 6 FVVD REV Dead Zone Time F6 09 Start protection selection Default 0 Setting range 0 No protection 1 Protection This function code is used to enhance the security protection coefficient If it is set as 1 it has two functions First if the running command exists when the inverter is powered on it must delete the running command to exit the running protection status Second if the running command still exists when the inverter implements fault reset it must delete the running command to exit the running protection status This function can prevent the danger resulted from the unexpected running of the inverter F6 10 Frequency reaching checkout amplitude value Default 0 0 Setting range 0 0 100 0 When the output frequency of the inverter reaches the setting frequency value this function can adjust the detection amplitude value as shown in the figure below 68 Chapter 6 Parameter Description Output frequency Y Detection Setting frequency A amplitude Time Frequency detection signal DO1 and RELAY1 Time Fig 6 7 Frequency Reaching Checkout Amplitude Value F6 11 MF K function selection Defau
38. ata confirm key Quick key Shift key Shift key Stop key Run ki un sey Reset key Digital modification key Multi function selection Fig 4 1 Operation Panel Schematic Diagram 1 Explanations on the indicators RUN If it is OFF it indicates that the inverter is in stop status If it is ON it indicates that the inverter is in running status LOCAL REMOT Keypad terminal and remote operation communication control indicator If it is OFF it indicates that the inverter is in keypad operation and control status If it is ON it indicates that the inverter is in terminal operation status If it is flashing it indicates that the inverter is in remote operation and control status FWD REV It is the forward reverse running indicator If it is ON it indicates that the inverter is in forward running status If it is OFF it indicates that the inverter is in reverse running status TUNE TC It is the tuning and control mode indicator If it is ON it indicates that the inverter is in torque control status If it is OFF it indicates that the inverter is in speed control status If it is flashing it indicates the inverter is in the process of motor tuning 35 Chapter 4 Operation and Display 2 Unit Indicators Description Hz Frequency unit A Current unit V Voltage unit RPM Rotation speed unit Percentage 3 Digital display area 5 bit LED can display frequency setting output frequency various mo
39. ation V F mode E aS Yes Is the acceleration time too short Increase the acceleration time y No X T o m 7777 to manually Adjust the manual raising of 9rgue or curve torque or V F curve Yes Y Yes The voltage is too low or not Adjust the voltage to the normal range i No Yes Select the rotation speed tracing Start the rotating motor or not before restarting or restart after the motor stops y No Is there the shock load Yes C during the acceleration process ADOS USOS ACTOR The type of the motor driver inverter is too small Over current at decelerated speed Err 03 Y Check if the output loop of the motor driver Yes inverter has the earthing or short circuit Remove the peripheral fault 1 Whether the motor parameter identification No Perf h has been performed or not p enm g motor parameter V F mode identification r Yes Is the deceleration time too short Increase the deceleration time No Y Is the voltage too low Adjust the voltage within the normal range No Whether there exists a shock load during Yes the deceleration process Cancel the shock load Is there the brake unit or brake resistor installed Install the brake unit and brake resistor Seek for the techni
40. board i No r n e main control board 15 norma Change main i 55 control board i Input side phase loss No Check if the lead wire from frequency inverter to the motor is normal Remove peripheral fault Check if the motor three phase winding is normal If no remove the fault Yes Check if the three phase output of frequency inverter is balanced when running without motor Seek technical support Check if the module is normal Change module Yes 77 Chapter 7 Fault Diagnosis and Countermeasures Module overheated Err 14 Yes If the environmental Reduce the environmental temperature is too high temperature No Yes If the wind channel is blocked Clear the wind channel Yes Sock forthe technical support If the fan is damaged Change the fan If the modular heat variable resistor is damaged Changerthie Heat variable resistor Yes me inverse module is damaged gt Change the inverse module Peripheral equipment fault Err15 Press STOP button to stop in the non keyboard operation mode or not No R Yes Input peripheral fault signal via multifunctional terminal DI or not Check and remove peripheral fault No Yes Use STOP in stall Reset running Current detection fau
41. cal support 73 Chapter 7 Fault Diagnosis and Countermeasures Constant over current Er r 04 Check if the output loop of the Yes Remove the peripheral fault motor driver inverter has If the link is too long install the output reactor the short circuit or leakage circuit No Whether the motor parameter No Perform a motor identification is performed parameter identification Yes Is there the shock load Yes during the running Cancel the shock load No Yes Abate the load Whether the motor driver inverter load can be abated La The type of the motor driver inverter is too small Over voltage accelerated Err 05 Yes lt The input voltage is too high or Adjust the voltage within the normal range No Yes If there exists the external force 5 Cancel the external force or install the brake resistor driving the motor operation during the process No Yes The acceleration time is too short or no Increase the acceleration time No Is there any brake unit or brake resistor installed install the brake unit and resistor Seek technical support 74 Chapter 7 Fault Diagnosis and Countermeasures Over voltage decelerated Err 06
42. cally If the motor cannot disconnect from its load set F1 11 to 1 static tuning and then press the RUN The inverter will measure the stator resistance rotor resistance and leakage inductance in sequence but it will not calculate the mutual inductance and the excitation current with no load and the user can use the nameplate parameters that are rated voltage U rated current I rated frequency f and power factor T to calculate these two parameters The calculation methods of the motor current with no load and the mutual inductance are described as follows Excitation current with no load 1 71 V ja 1 Mutual inductance calculation Lm u V3 nfl Where Io is the excitation current with no load Lm is the mutual inductance and Lo is the leakage inductance 39 Chapter 5 Function Parameters Chapter 5 Function Parameters MD300 inverter s function parameters are classified into 8 groups namely F1 F6 FF and FP Each function group has several function codes The function code uses 3 level menu F A BC word in this manual means No BC function code in group A For example F6 08 means the No 8 function code in group F6 For the purpose of convenient function code setting when conducting operation via the operation panel the function group number corresponds to the first level menu the function code number corresponds to the second level menu and function code parameters correspond to t
43. ck the insulation of the motor to prevent the poor insulation of the windings of motor from damaging the inverter The motor connection must be divided from the inverter during the insulation check It is recommended to use a 500V Mega Ohm Meter to check and the insulation resistance shall not be less than 5MQ 2 Thermal Protection of Motor If the rated capacity of the motor selected is not matching that of the inverter especially when the rated power of the inverter 1s bigger than that of the motor make sure to adjust the parameters for motor protection inside the inverter or to install a thermal relay to the motor to guarantee the protection to the motor 3 Running at Frequency Above Rated Frequency The output frequency of this inverter is 0 300Hz Please consider the capability of the mechanical devices when the customer needs the inverter to run at the frequency higher than 50Hz 4 Motor Heat and Noise Since the output voltage of the inverter is in PWM wave with some harmonics the temperature may rise the noise and vibration may increase compared with the inverter running at main frequency Chapter 1 Safety and Cautions 5 Pressure sensitive Device or Capacitor at the Output Side of the Inverter Because the inverter outputs PWM wave the capacitor used for improving power factor and pressure sensitive resistor used for lightening proof shouldn t be installed at the output side of the inverter otherwise the inverter may hav
44. d Do not use the Mega Ohm Meter to test the insulation of control circuits Dielectric strength test had been done at factory Therefore user need not do this test again 3 Replacement of Wearing Parts The wearing parts of inverter mainly include the cooling fan and filtering electrolytic capacitor Their lifetime is closely related to the operating environment and maintenance Generally their lives are 18 Chapter 2 Product Information Electrolytic 4 5 years capacitor User should determine when to replace them according to their work time 1 Cooling fan Possible damage causes shaft bearing attrition and blade aging Judging criteria no crack on fan blade and no abnormal vibration noise at start 2 Filtering electrolytic capacitor Possible damage causes high ambient temperature big pulsating current due to frequent load fluctuation electrolyte aging Judging criteria no liquid leak no protrusion of safety valve electrostatic capacitance measurement and insulation resistance measurement 4 Storage The following points must be followed in inverter storage 1 Itis recommended to store the inverter in its original packing box 2 Long term storage will cause deterioration of electrolytic capacitor Therefore inverters long time not in service must be powered within 2 years for test purpose at least for 5 hours in the test the input voltage must be boosted gradually with voltage regulator to the ra
45. dd B to the inverter model MD300T0 7 3000 300W MD300T1 5 2000 300W MD300T2 2 2200 660W MD30073 7 1300 1 100VV MD300T5 5 900 1600VV MD300T7 5 650 2500W Built in standard No special remarks MD300T11 430 3500W MD300T15 420 4500VV MD300T18 5 250 5500W MD300T22 220 6500W Built in optional Add B to the inverter model MD300T30 16Q 9000W 21 Chapter 3 Mechanical and Electrical Installation Chapter 3 Mechanical and Electrical Installation 3 1 Mechanical Installation 1 Installation Environment 1 Ambient temperature Ambient temperature influences the inverter life greatly so it should be within the range of 10 C 50 C 2 Mount the inverter in a flame retardant surface and the clearance around the inverter shall be enough because the inverter will generate lots of heat during running besides mount the inverter on the base vertically with screws 3 Mount in the location where vibration is less than 0 6G the inverter shall be far away from impacting lathe 4 Please do not install the inverter in the place with direct sunlight high humidity and water 5 Mount the inverter in the location free of corrosive gas explosive gas or combustible gas 6 Mount the inverter in the location free of oil dirt dust and metal powder 2 Installation Location Up 1100171017 747 EN gue eem A 1 r i 100mm MD300 5 i 1 L 1 r 1 1 A 000 MD300 l i 1 t 1 I 1 1 r
46. e Default 0 0 Speed sensorless vector control SVC Setting 1 Reserved range 2 V F control 0 Speed sensorless vector control It refers to the open loop vector and is applicable to general control situation with high performance One inverter can drive only one motor such as machine tool centrifugal machine wire drawing machine injection mould machine and other loads 2 V F control It is applicable to the situation in which the control precision requirements are low such as inlet fan and pump serial loads It can be applied to the situation in which one inverter drives multiple motors Note It needs to distinguish the motor parameters to select the vector control mode See Section 4 5 for details F0 01 Command source selection Default 0 0 Operating panel LED Off 1 Terminal command LED On Setting range Select the control command channels of the inverter The control commands of the inverter include start stop forward rotation reverse rotation jog etc 0 Operating panel command channel LOCAL REMOT is OFF Press the buttons such as RUN STOP RES on the operation panel to perform the command control If the multifunctional key is set as FWD REV switching function set as No 2 in F6 11 this key can be used to alter the running direction 1 Terminal command channel LOCAL REMOT is ON Perform the command control by the multifunctional input terminals
47. e service 2 Check ifthe short circuit or earthing occurs between the motor lead wires If yes please remove it 3 Ifthe tripping occurs only occasionally and the distance between the motor and the inverter is big then the adding of an output AC reactor shall be considered 80 Warranty Agreement 1 Free warranty only applies to the inverter itself 2 In normal circumstance our company provides 18 months of warranty service based on the bar code on the equipment if the product is faulty or damaged And reasonable fees should be charged for the maintenance once the warranty period is expired 3 In the warranty period we also charge certain maintenance fees for the following situations Damages caused due to improper use against the specifications in the user manual Damages caused because of fire disaster flood disaster abnormal voltage etc Damages caused when the inverter is applied abnormally 4 The service fee will be charged according to our company s unified standard If the contract is signed we will handle it according to the contract 5 Be sure to keep this card and show it to the maintenance personnel when the warranty service is needed 6 For any problems please contact the local agent or our company directly Engineering Service Department of Shenzhen Inovance Technology Co Ltd Address 1F Office Building Min Ning Garden No 10 Cai Tian N Rd Fu Tian District Shenzhen China Tel 486 755 8
48. e suppressing device may resonate the circuit and damage the equipment 2 EMI 1 Two kinds of EMI one is the EMI around the inverter and disturbs the inverter This kind of EMI is weak besides the inverter has been designed with strong immunity Another is the EMI from the inverter that may influence the equipment around the inverter The inverter itself is a disturbance source because it outputs PWM wave through high carrier frequency so solving the EMI issue is mainly to reduce the EMI of inverter Methods A Inverter and other equipment shall be well grounded and the grounding resistance shall be less than 10ohm B Inverter s power cables shall be vertical instead of parallel with the control cables C For the application with strong disturbance the power cables from the motor to the inverter shall be shielded and the shielding layer shall be grounded D The cables of disturbed equipment shall be twisted shielded cables and the shielding layer shall be grounded 2 Reducing the disturbance to the inverter from other equipment The relay contactor or electronic magnetic braking device will disturb the inverter 32 Chapter 3 Mechanical and Electrical Installation Take the following actions to solve this issue A Install surge suppressing devices to the disturbing device B Install filter to the input of the inverter C Inverter s control cables shall be shielded and the shielding layer shall be grounded 3 Method to r
49. e transient over current and may be damaged 6 Switches Used at the Input and Output terminal of the Inverter If the contactor is required to be installed between the inverter and the power supply it is prohibited to start or stop the inverter with the contactor If the user has to use the contactor to start and stop the inverter the interval between the start and stop shall be less than one hour Frequent charging and discharging may reduce the life of the capacitor If the switches like contactors are connected between the output terminal and the motor make sure to start and stop the inverter when the inverter has no output otherwise the modules in the inverter may be damaged 7 Usage Outside the Range of Rated Voltage The MD series inverter shall not be used out of the specified range of operation voltage otherwise the internal components of the inverter may be damaged If needed please use corresponding voltage regulation device to change the voltage 8 3 phase Input Modified Into 2 phase Input The modification of MD series inverter from 3 phase input to 2 phase input is not allowed or fault may occur 9 Lightning Strike Protection There are lightning protection devices inside the inverter But the user should install other lightning protection device at the front end of the inverter if lightning strike occurs frequently 10 Altitude and Deration When the altitude is higher than 1000m the cooling effect of invert
50. e wire size shall be determined according to the manual otherwise accident may occur e Brake resistor must not be connected between the DC bus terminals and otherwise fire may occur 4 Before Power on e Please confirm the mains voltage level is consistent with that of the inverter and the input and output wirings are correct and check if there is any short circuit in peripheral circuit and if the wiring is fixed and fast otherwise the inverter may be damaged e Mount the cover plate properly before power on the inverter otherwise there will be danger of electric shock e Dielectric strength test had been done at factory Therefore user needs not do this test again otherwise accident may occur All the peripheral parts shall be connected correctly according to the manual or accident may occur Chapter 1 Safety and Cautions 5 After Power on e Do not open the cover of the inverter after power on otherwise there will be danger of electric shock e Do not touch the inverter and its circuit with wet hand otherwise there will be danger of electric shock e Do not touch the inverter terminals otherwise there will be danger of electric shock e At power on the inverter will perform the security check of the external heavy current circuit automatically so at this time please do not touch the terminals U V and W or the terminals of motor otherwise there will be danger of electric shock e
51. ect of the brake unit 63 Chapter 6 F5 Group Fault and Protection Parameter Description F5 00 Motor overload protection selection Default 1 Setting 0 Disabled 0 The inverter has no overload protection for range 1 Enabled the motor and the relay shall be heated 1 the inverter has motor overloading protection and the protection value is shown in F5 01 F5 01 Motor overload protection coefficient Default 1 00 Setting 0 20 10 00 The motor over sensitive protection is 220 range F5 01 X motor rated current and 150 F5 01x motor rated current 60 minute reverse time limit curve F5 02 Over voltage stall gain Default 0 Setting O noover Adjust the over voltage stall capacity ofthe inverter range voltage to avoid over voltage fault The bigger is the value stall the more powerful the suppressing capacity is For the load with small inertia the small value is O 100 recommended or it will slow down the system dynamic response For the load with large inertia the big value is recommended otherwise there will be over voltage fault due to poor suppressing effect F5 03 Over voltage stall action value Default 13096 Setting 120 150 Select the voltage protection value of the stall range operation The inverter starts executing the voltage stall protection function when this value is surpassed F5 04 Over current stall gain
52. educe the disturbance from the inverter to the equipment Two kinds of noises one is the radiation from the inverter itself and another 1s the radiation from the cable between the inverter and the motor These two kinds of radiations induce the cables of the equipment and make the equipment work abnormally Following method can be used A If the measuring meters radio equipment and sensors and their signal cables are installed in a cabinet together with the drive these equipment cables will be easily disturbed Take the actions below to solve the problem The equipment and the signal cables should be as far away from the inverter as possible Signal cables and power cables shall not be routed in parallel or bound together The signal and power cables should be shielded Install radio noise filter and linear noise filter at the input and output sides of the inverter B Ifthe external equipment shares a same AC supply with the inverter and the above cannot eliminate the disturbance then the user should install a linear filter or a radio noise filter C Ground the external equipment and eliminate the disturbance of the leakage current from the inverter s grounding cable 3 Leakage current The inverter has two kinds of leakage current one is the grounding leakage current and another is the leakage current between the lines 1 Grounding leakage current The distributed capacitance exists between the cables and the ground and t
53. en death A Note Operations which are not performed according to requirements may cause moderate hurt or light hurt or equipment damage 1 1 Safety Cautions 1 Before Installation e Do not use the inverter that is damaged or has defect or there will be danger of injury 2 During Installation e Mount the inverter on incombustible surface like metal and keep away from flammable substances Otherwise it may cause fire e When more than two inverters are to be installed in one cabinet please pay attention to the installation locations to ensure the cooling effect refer to Chapter 3 Mechanical and Electrical Installation e Do not drop the lead wire stub or screw in the inverter or the inverter may be damaged Chapter 1 Safety and Cautions 3 Wiring e Only the qualified electrical engineer can perform the wiring otherwise there will be danger of electric shock e A circuit breaker must be installed between the mains and the inverter otherwise there will be danger of fire e Wiring can only be done after the mains input is cut off otherwise there will be danger of electric shock e Please connect the inverter to the ground according to the standard otherwise there will be danger of electric shock e Do not connect the input terminals with the output terminals U V W otherwise the inverter may be damaged e Ensure the wiring meet the EMC requirements and the local safety standard Th
54. ent 0 2 X rated current of inverter PULSE input 0 1 50 0KHz 4 All 0 10V Al2 0 10V 0 20mA F0 15 Output selection analog output terminal Default 0 096 0 Direct start Setting range 1 Rotation velocity tracking restart 0 Direct start Start with start frequency 53 Chapter 6 Parameter Description 1 Rotation velocity tracking restart The inverter first judges the rotation velocity and direction of the motor and then starts with the frequency corresponding to the tracked rotation velocity of motor And the motor that is rotating is started in a smooth mode The default tracking frequency is the frequency before stopping It is applicable to the momentary power off restart with high inertia To ensure the performance of the rotation velocity tracking restart it is necessary to set the motor parameters accurately F1 group F0 16 Stop mode Default 0 0 Dec stop Setting range 1 Coast to stop 0 Dec stop Once the stop command is enabled the inverter will reduce the output frequency according to the deceleration mode and the defined acceleration deceleration time When the frequency is decreased till 0 the inverter will power off 1 Coast to stop After the stop command is enabled the inverter will terminate the output immediately and the loads implement coast to stop with the mechanical inertia F1 Group Motor Parameters
55. er cannot enter If the user wants to cancel the password protection function enter after inputting the password and set FP 00 as 0 The protection function of user password to the parameters in quick menu is dependent on the status of F7 03 but it cannot protect the parameter values 4 5 Auto Tuning of Motor Parameters Before running the inverter that has selected the vector control mode accurate motor nameplate parameters must be input to the inverter correctly MD320 inverter will configure the standard motor parameters according to the nameplate parameters Vector control mode is highly dependent on the motor parameters and correct parameters must be acquired for achieving good control performance Motor auto tuning procedures Firstly set the command source F0 02 as the operation panel command channel Then input the following parameters according to the actual parameters of motor F1 01 Rated power of motor F1 02 Rated voltage of motor F1 03 Rated current of motor F1 04 Rated frequency of motor F1 05 Rated speed of motor 38 Chapter 4 Operation and Display If the motor is disconnected from the load completely select 2 complete tuning in F1 11 and press RUN in keypad the inverter will calculate the parameters below automatically F1 06 Stator resistance F1 07 Rotor inductance F1 08 Leakage inductance F1 09 Mutual inductance F1 10 Excitation current with no load Motor tuning is finished automati
56. er is deteriorated because of the rarefaction of air the deration must be used and please consult our company for detailed technical support 11 Special Usages The user can consult our company if he wants to use another method instead of the recommended connecting method provided in the manual such as shared DC bus 12 Cautions for Scrap of Inverter The electrolytic capacitors in the main circuits and PCB may explode when they are burned and poisonous gas may be generated when the plastic parts are burned Please dispose the inverter as industrial rubbish 13 About Applicable Motor 1 2 3 4 The standard motor used is the 4 pole squirrel cage asynchronous induction motor If other kind of motor is used please be sure to select the applicable inverter according to the rated current of the motor and please consult us if the user wants the inverter to drive the permanent magnetic synchronized motor The cooling fan of non variable frequency motor is connected to the rotor in the same bearing so the cooling effect is weakened if the speed is low therefore use the variable frequency motor or install a cooling fan in the overheat condition the motor The inverter has already been configured with the standard parameters for applicable motor please be sure to modify the default values or perform the motor parameter identification according to the actual conditions otherwise the operation effect or protection p
57. erformance may be reduced Short circuit in the cable or motor may cause the inverter alarm or even damage the inverter Therefore please conduct the insulation short circuit test to the cable and the motor installed for the first time The short circuit test shall also be carried out in routine maintenance Pay attention that the inverter shall be separated from the unit during such test 10 Chapter2 Product Information Chapter 2 Product Information 2 1 Name Designation Rules MD300 T 0 7 KB EB 2 Inverter series 1 Mark Null None Voltage level B VVith brake unit S Single phase 220V T 3 phase 380V Mark Model Null Built in operation panel Motor power External operation panel Relationship Mark 0 4 10 7 1 5 2 2 3 71 5 5 7 5 11115 118 5 122 30 Motor power kW 04 0 75 15 2 2 3 7 5 5 7 5 11 15 18 5 122 30 2 2 Nameplate MODLE MD320T0 7KB POWER 0 75kVV INPUT 3PH AC380V 3 4A 50HZ 60Hz OUTPUT 3PH AC0 380V 2 3A 0 300HZ r E Bar Code 4 Shenzhen Inovance Technology Co Ltd 11 2 3 MD300 Series of Inverter Chapter 2 Product Information Power Capacity Input Current Output Current Motor Model Input Voltage KVA A A kW MD300S0 4 1 0 54 24 0 4 MD300S0 7 2570 220V p s 82 4 0 0 75 03
58. es it is better to decrease this parameter appropriately Under the VF control mode this parameter acts as the AVR selection function code of VF Under 0 000 VF control AVR is always invalid Under 0 001 VF control AVR is always valid Under 0 002 VF control AVR is only valid at deceleration time If the function code value is higher than 0 002 it will be regarded as 0 002 Under the VF control when there is need to stop quickly but no braking resistor selecting Valid only at deceleration time can greatly reduce the chances of generating over voltage fault alarm But when there is braking resistor but no need for acceleration or deceleration please select AVR 1s always valid F2 08 Torque upper limit of vector control Default 150 0 Setting range 5 0 200 0 The setting value 100 corresponds to the rated output torque of the motor that matches the inverter F2 09 Slip compensation coefficient of V F Default 0 0 control Setting range 0 0 200 0 It is valid for the V F control It can compensate the slip resulted from the load by setting this parameter thus diminishing the change quantity of the motor rotation velocity following the load change In general 100 corresponds to the rated slip when the motor is under the rated load The following principles can be as a reference for the slip coefficient adjustment If the load equals the rated load and the
59. hat of AII 61 Chapter 6 Parameter Description The MD300 inverter standard unit provides two analog input interfaces F3 10 PULSE input maximum frequency Default 50 00K Hz 0 00 50 00K Hz Setting range F3 11 Input filter time Default 0 01s 0 00 10 00s Setting range This group of function code defines the corresponding relations when the pulse is used as the frequency setup mode The pulse frequency input can only be input through the DI4 channel F3 12 AO zero offset coefficient Default 0 00 100 0 100 0 Setting range F3 13 AO gain Default 1 00 10 00 10 00 Setting range If using letter b to indicate the zero offset coefficient k to indicate the gain Y to indicate the actual output and X to indicate the standard output then the actual output equals as follows Y kX b The AO zero offset coefficient 100 corresponds to 10V 20mA The standard output means that the output 0 10V 20mA corresponds to the analog output 0 Maximum It is generally applied to modify the zero drift and the deviation of the output swing It can also be defined as any needed output curve itself For example if the analog output content 1s the running frequency it is expected to output 8V 16mA when the frequency equals to zero and to output 3V 6mA when the frequency reaches maximum Then the gain shall be set as 0 50 a
60. he bigger the capacitance and the bigger the leakage current so the motor cables should be as short as possible Besides the bigger the carrier frequency is the bigger the leakage current is so the user can also reduce the carrier wave frequency but the motor noise may increase Installing reactor can also reduce the leakage current The leakage current is increased with the increase of the circuit current so the leakage current is big if the motor power is big 2 Leakage current between lines The distributed capacitance exists in the inverter s output cables and resonance may occur if high frequency harmonics exist in the current thus the leakage current occurs which may result in the wrong 33 Chapter 3 Mechanical and Electrical Installation action of relay The method to solve this issue is to reduce the carrier frequency or install the output reactor It is recommended to use inverter s protection function instead of a thermal relay to protect the motor before using the inverter 34 Chapter 4 Operation and Display Chapter 4 Operation and Display 4 1 Operation and Display Interface Use the operation panel to change the parameters of the inverter monitor the working status of the inverter and control the running start and stop of the inverter The panel and its functions are shown in Fig 4 1 Function indicator RUN LOCAL REMOTFVVD REV TUNE T Digital display Unit indicator Program key Enter d
61. he third level menu Contents in the function table In column 1 Function Code means the code for the function parameter group and the parameter Name in column 2 means the complete name of the function parameter Setting Range in column 3 means the parameter setting range Min Unit in column 4 means the minimum unit of the function parameter setting Default in column 5 means the original default and Modified in column 6 means the modification attributes of the parameters i e whether to enable the modification and the modification requirements means that the parameter can be modified while the inverter is running or stops x means that the parameter can not be modified while the inverter is running 663499 means that the parameter value is actually measured value and cannot be modified ec 95 means that this parameter is default and can only be set by the manufacturer whereas users operation is forbidden The inverter has already set the automatic check restriction to the modification attributes of the parameters so as to prevent the user from making wrong modification to the parameter Default means the numeric value after the function code parameter is refreshed when restoring the default parameter but the actual measured value or recorded value will not be refreshed The inverter provides password for function code operations to effectively protect the parameter
62. hen the input phase failure range 1 Enabled occurs Only the MD series inverters with more than 7 5G power have the function of input phase failure protection whereas the inverters with power of less than 7 5G do not have this function no matter it is selected as 0 or 1 F5 09 Inverter offload protection selection Default 1 Setting 0 Disabled Select whether to protect when the offload occurs When range 1 Enabled selecting the offload protection function and there is no load at the output end of the inverter the output frequency of the inverter will automatically reduce to 2Hz F5 10 Fault type 0 24 Default F5 11 Frequency at fault Indicating the frequency when the latest fault occurs aM F5 12 Indicating the current when the latest fault occurs m F5 13 Bus voltage at fault Indicating the bus voltage when the latest fault occurs iH F6 Group Auxiliary Function F6 00 Maximum output frequency Default 50 00Hz Setting range 50 00 300 00Hz It is used to set the maximum output frequency of the inverter F6 01 Frequency upper limit Default 50 00Hz Setting range Frequency lower limit F0 11 Maximum frequency F6 00 It refers to the output frequency upper limit of the inverter F6 02 Frequency lower limit Default 0 00Hz Setting range 0 00Hz Frequency upper limit F6 01
63. igital setup F0 07 V F curve selection 10 line V F curve 1 x 7 1 Reserved 2 square V F curve F0 08 1 V F control torque 10 0 automatic 0 1 10 0 boost 0 1 30 0 41 Chapter 5 Function Parameters Func Name Setting Range Min Default Modified Serial Code unit No F0 09 DIl terminal No function ONDNBRWNK c function selection Forward running FWD Reverse running REV F0 10 012 terminal 3_line control function selection 11 D13 terminal Reverse jog RJOG function selection Terminal UP Terminal DOWN function selection Fault reset RESET Reserved External fault input Multi speed terminal 1 Reserved Reserved Forward jog FJOG FO 0 12 14 terminal Coast to stop Multi speed terminal 1 Switching between All and 17 18 Reserved 19 UP DOWN setting clearance terminal and keypad 20 Running command switching terminal 21 Reserved When selecting PULSE any function of D14 is invalid and can only correspond to PULSE input 0 13 DO output selection 0 No output 1 Inverter is running Fault output Frequency reaching FO 2 3 F0 14 AO output selection 10 Running frequency 1 Setting frequency 2 Output current 3 PULSE input corresponding setup 4 All corresponding setup 5 Al2 corresponding setup F0 15 Start mode 0 Direct start 1 Rotation velocity tracking restart F0 16 Stop mode 0 Deceleration stop 1 16 1 coast to stop
64. ion Brake resistor QF Single phase input power Grounding Keypad interface Multi function digital terminal 1 Multi function digital terminal 2 Multi function digital terminal 3 Multifunction digital terminal 4 0 em Multifunctional extension card interface Analog output of 0 10V 0 20mA Frequency source og 10V E H Digital output T A VVhen selecting the 4 20mA reference T B T C Fig 3 4 Wiring Mode of Single Phase 220V Inverter Note This figure is suitable for MD300S0 4 MD300S0 7 MD300S1 5 and MD30082 2 inverters 26 Chapter 3 Mechanical and Electrical Installation Brake resistor 3 phase 380V input Grounding Keypad interface Multi function digital terminall 9 Multi function digital termina2 Multi function digital termjnaB Multi function digital termina E Multifunctional extension card interface Analog output of 0 10V 0 20mA Frequency source og 10V i ARE Digital output T A When selecting the 420mA reference T B T C Fig 3 5 Wiring Mode of Three Phase 380V Inverter Note This figure is suitable for MD300T0 7 MD300T30 series inverters 27 Chapter 3 Mechanical and Electrical Installation 4 Main Circuit Terminals and Wiring e Wiring can only be done after the mains input is cut off otherwise there will be danger of electric shock e Only qualified and trained engineer can perform the wiring otherwise
65. lt Seek technical support Reset running No lt Check if Hall device is normal gt Change Hall device No if the drive board is normal Change drive board L 4 A 1 1 LI 1 V 1 1 Yes 1 V V LI V V 1 1 V 4 78 Chapter 7 Fault Diagnosis and Countermeasures Motor tuning fault The motor parameters are configured as per the data on the nameplate or not No Correctly configure the motor parameters Yes Yes The parameters identification process Check the lead wire from 15 overtime or not frequency inverter to motor EEPROM memory fault Err 21 If the main control panel is Main control normal after renewal panel fault Circuit Detection Fault Seek for technical Yes Whether it is over Handled as over voltage fault No Yes VVhether there is over Handled as over current fault current fault support Earth short circuit fault Yes Check whether the output 39 Change the drive board Is earth short circuited 79 Chapter 7 Fault Diagnosis and Countermeasures 7 2 Common Faults and the Fault Diagnosis The following faults may probably occur during the using of the inverter please refer to the methods described below to perform the fault analysis 1 No Electricity Display 1 Check with multimeter if the input powe
66. lt 2 Setting range MF K key is invalid 1 Switching between the operation panel channel and the remote command channel terminal command channel 2 Switching between forward rotation and reverse rotation 3 Switching between forward jog and reverse jog ME K refers to multifunctional key and its function can be defined through the parameter configuration Switching operations can be implemented in the stop and start process by using this key 0 Indicating that it has no function 1 Switching between the keypad command and remote operation It indicates the command source switching that is switching from the current command source to the keypad control local operation If the current command source serves as the keypad control this command is disabled 2 Switching between forward rotation and reverse rotation By using the MF K it can switch the frequency command direction It is enabled only in the command channel of the operation panel 3 Forward jog By using the MF K it can implement forward jog FJOG F6 12 Stop RESET function Default 0 Setting range 0 The STOP function is invalid under the terminal control 1 The STOP function is valid under the terminal control 69 Chapter 6 Parameter Description The RESET function is valid under any status F6 13 Earth short circuit protection detection after power on Default 0 Setting range
67. mum output 0 1 10 076 checkout amplitude frequency value 1 1 Stop function is valid under terminal control MF K function 0 No function 1 x selection 1 Switching between local operation and remote operation 2 Forvvard Reverse svvitching 3 Jog F6 13 Earth short circuit 0 Invalid 1 1 protection detection 1 Valid selection F6 15 Multi speed 1 Negative maximum frequency 0 1 2 15 88 maximum frequency F6 14 Multi speed 0 Negative maximum frequency 0 1 2 10 0Hz maximum frequency Multi speed 2 Negative maximum frequency 0 1 2 10 0 2 maximum frequency Multi speed 3 Negative maximum frequency 0 1Hz 15 0Hz maximum frequency oo N oo o2 AB 8 F6 12 Function of RESET function is valid in all 85 STOP RESET key status 0 STOP function is invalid under terminal control 8 7 Z 1 1 18 1 46 Chapter 5 Function Parameters Func Name Setting Range Min Default Modified Serial Code unit No F6 18 Heat sink 0 150 C 1 C 91 temperature 6 19 Software version 00 00 99 99 0 01 Current 92 softvvare version No FF Group Factory Parameters dq 7 T T FF Group User Password and Parameter Initialization m u ra f FP 01 Parameter 0 No operation 1 x 104 initialization 1 Default recovery 2 Fault clearance 47 Chapter 6 Parameter Description Chapter 6 Parameter Description F0 Group Basic Function Group F0 01 Control mod
68. nction and specialized function and various submodules according to the user s requirement as shown in Fig 2 3 It leads the new trend of popularization of vector control technology These concepts shall influence the inverter industry profoundly The bottom layer middle layer and top layer are described as follows MD series inverter Specialized 4 Top layer module function module 2 Universal 7 m function module Middle layer module inverter i High performance Bottom layer module motor control module Fig 1 Comparison between traditional inverter and MD series inverter 1 The module in the bottom layer of MD series inverter is the high performance motor control module that comprises the V F speed sensor less vector control SVC and vector control VC The module performs the high performance control and comprehensive protection to the motor and Chapter 1 Safety and Cautions it controls the motor through multi channel to receive the running command and performs the close loop vector control through the pulse coding interface The module in the middle layer of MD series inverter is the universal functional module which realizes the basic functions of the inverter such as PID control MS speed and wobble frequency 2 We offer two sub modules for customers according to the complexity of the functions which are MD300 functional module a
69. nd MD320 functional module The function differences are given in table 1 MD320 MD300 5xDI bi direction input and one high speed port 2x AI 2xDO one high speed port 1x AO several extendable VO ports Input output terminal 4xDI single direction input and one high speed port 2x AI 1xDO 1 Control mode SVC VC V F SVC V F Analog reference mode Straight line mode Multi point broken line mode to enable the function of injection machine MS speed 16 segments speed 4 segments speed Simple PLC 16 segments of timed operation None Wobble frequency and fixed length Yes None control Master slave reference Master slave reference for any channel Only AI2 can be auxiliary reference Communication function Through extended card Through special card PID control Yes None Multi point V F Yes None Table 1 Differences between MD320 and MD300 functional module 3 The module in the top layer of MD series inverter is the industry used module that provides a Ethernet pes uorsuo L ped amp ox 421 Ado 1ojoure1eq peo uorne ost H o Le o n a s m a peo A pred oguoo 218071 ped amp oy aT peo Aiddns 191 AA pied uorsuo1xo O I r t eusis Zojeuy pjeo uonouny 0197 pies oguoo MD320 function module MD300 function module
70. nd the zero offset coefficient shall be set as 80 62 Chapter 6 Parameter Description F4 Group Start and Stop Control Parameters F4 00 DC brake initial frequency at stop Default 0 00Hz Setting range 0 00Hz Maximum frequency F4 01 DC brake waiting time at stop Default 0 0s Setting range 0 0 36 0s F4 02 DC brake current at stop Default 0 Setting range 0 100 F4 03 DC brake time at stop Default 0 0s Setting range 0 0 36 0s DC Brake Initial Frequency at Stop In the process of deceleration to stop if this frequency is achieved it starts the process of DC brake at stop DC Brake Waiting Time at Stop Before starting the process of DC brake at stop the inverter stops outputting and starts the DC brake at stop after this time It is used to prevent the over current fault that is probably generated by the DC brake at high velocity DC Brake Current at Stop It refers to the added DC brake quantity The larger it is the better the DC brake effect is DC Brake Time at Stop It refers to the added time of the DC brake quantity If it equals 0 it indicates the DC brake process does not exist And the inverter stops according to the setup acceleration stop process F4 04 Brake utility ratio Default 100 Setting range 0 100 This parameter is valid for the inverter with built in brake unit It can regulate the brake eff
71. nels to issue the command operation panel control 6 frequency sources digital frequency reference analog voltage reference analog current reference pulse reference These Frequency source frequency sources can be selected through different methods Fine tuning and synthesis of auxiliary frequency can be Auxiliary fi uxiliary frequency sources implsnemedil sibiy Four digital input terminals and one of them can input high speed pulse Input terminal Two analog input terminals one can be inputted voltage and the other can be inputted voltage or current 13 Chapter 2 Product Information Specification One digital output terminal One relay output terminal Output terminal One analog output terminal can realize the output of setting frequency and output frequency etc LED displ Be able to display multiple parameters such as setting frequency ispla output frequency output voltage and current etc Parameter copying Quick copying of parameters can be realized Power on motor short circuit test input output phase failure protection Over current protection Over voltage protection Under voltage protection Over heat protection overload c o o o A protection Indoor in which there is no direct sunlight dust erosive gas Applicable Situation combustible gas oil smoke water vapor dripping salt etc Altitude Lower than 1 000 meters 10 C 40 C ambient temperatu
72. ng the motor must be separated from the load no load After selecting the rotation tuning the inverter will first perform the static tuning When the static tuning is completed the motor will be accelerated to 80 of the motor rated power according to the acceleration time set in F0 05 It will maintain this status for a period of time Then it will be decelerated to zero according to the deceleration time set in F0 06 The rotation tuning is then over Operation description Set the function code as 2 and press the RUN button to identify then the inverter will conduct the rotation tuning Tuning operation description Press the ENTER key after the F1 11 is set as 1 or 2 to display TUNE that is flashing And press the RUN button to perform the parameter tuning the TUNE stops flashing and the TUNE TC light is flashing After the tuning is completed it will display the stop status interface When the TUNE is flashing press the PRG button to exit from the tuning Also the STOP button can be pressed in the tuning process to suspend the tuning After the tuning is completed the values in F1 11 will automatically recover as 0 F2 Group Vector Control and V F Control Parameters The function codes in Groups F2 00 F2 08 validate only for the vector control That is to say when F0 00 0 they are valid The function codes in F2 09 F2 10 are valid for the V F control i e when 0 00 2 they are valid
73. nitor data alarm code etc 4 Function Description of Keys Table 4 1 Key Functions ENTER Confirn Enter the menu screen level by level and confirm the parameter settings V Down Decrease of data or function code It can select the displaying parameters circularly on the stop displaying interface and the running displaying interface It can also select the modification bit of the parameters when modifying the parameters In the keypad operation mode it is for running and operating the inverter STOP R STOP RESET The key is for stopping the running when the inverter is running ESET state and for resetting in the faulty status The function of the key is restricted by F7 02 MF K Multi function selection F6 11 0 No function F6 11 1 Switch between the local operation and the remote operation F6 11 2 Switch between the forward rotation and the reverse rotation F6 11 3 Forward jog operation Refer to F6 11 for details 4 2 Modify and Check the Function Codes MD300 series inverter s operation panel uses 3 level menu to conduct parameter settings 3 level menu function parameter group first level function code second level setting of function code third level Operation procedure is shown in Fig 4 2 36 Chapter 4 Operation and Display Modify parameter group Modify function code Modify value of function code ENTER ENTER A Y ENTER A v H
74. r supply of the inverter is consistent with its rated voltage If there is something wrong with the power supply please check and remove it 2 Check if the three phase rectifying bridge is intact If the rectifying bridge has been exploded please seek technical service 3 Check if the CHARGE indicator is on If the indicator is off the fault will be on the rectifying bridge or the buffering resistance If the indicator is on then the fault may probably lies in the switch on off part please seek for help 3 The air Switch Trips off After Power on 1 Check if the earthing or short circuit occurs between the input power supplies and remove the problem 2 Check if the rectifying bridge has been broken down If so seek for the service 4 The Motor Does not Run After the Inverter Starts to Run 1 Check if there 1s equalizing three phase input between U V and W If yes the motor circuit or itself may be damaged or the motor stops turning for mechanical reason Please remove it If there is input but the three phases are not equalizing the inverter drive board or the output module may be damaged Please seek for the service 3 Ifthere is no output voltage the drive board or output module may be damaged Please seek for the service 5 When the Power on Inverter Displays Normally the Air Switch Trips off After the Operation 1 Check if the short circuit occurs between the output modules If yes please seek th
75. re is within 40 C 50 C deration is required Less than 95 RH without condensation 2 5 Product Appearance and Dimension of Installation Holes Ambient temperature Environment 1 Product Appearance Top cover Operation panel Lower cover Bar code Input output hole Bottom installation holes Fan Nameplate Fig 2 1 Product Appearance 14 Chapter 2 Product Information EN TZ IRAN Fig 2 2 Inverter Appearance and Dimension of Installation Holes Dimensions of keypad Fig 2 3 Keypad Appearance and Dimension of Installation Holes 15 Chapter 2 Product Information Installation Dimensions of keypad Fig 2 4 Keypad Installation Dimensions 2 Dimension of Installation Holes A B H wW D Hole weight Inverter Model diameter mm mm mm mm mm m kg MD300S0 4G 0 4 22 MD300S0 7G 0 75 22 MD300S1 5G 5 15 22 MD300822G 2 2 113 172 182 123 145 5 4 22 MD300T0 7G 0 75 03 MD300T1 5G 1 5 23 MD300T22G 3 pha 22 72 MD300T3 7G e380V 3 7 4 T 148 236 246 158 165 Q 54 2 MD300T7 5G 75 10 MD300T11G 11 150 335 348 223 177 q 6 5 10 MD300T15G 15 10 MD300T18 5G 18 5 24 MD300T22G 22 235 447 460 285 220 q 6 5 24 MD300T30G 30 24 16 Chapter2 Product Information
76. rminal With Filter devices B Digital input terminal The inverter judges the ON OFF status of these terminals by receiving the digital signal Hence all the external contactors are those with high reliability of weak signal conduction If the open collector is employed to provide ON OFF signal for the inverter digital input terminal then it shall be considered that there 1s error operation caused by power supply interference It is recommended to use contact control mode C Digital Output terminal When digital output terminal drives a relay the coil of the relay shall be installed a snubbing diode otherwise the DC 24V power supply may be damaged Note Pay attention to the polarity of the diode as shown in the figure 3 8 Otherwise if the digital output terminal has output the DC24V power supply will be damaged 31 Chapter 3 Mechanical and Electrical Installation 24 MD300 DO Fig 3 8 Digital Input Terminal of MD Series Inverter 6 EMC Issues 1 Influence of Harmonics 1 The high frequency harmonics of mains supply will influence the rectifying circuit of the inverter The harmonics will heat the rectifying circuit and even damage the circuit So it is recommended to install the filtering device in the environment where the power quality is poor 2 Since the inverter output has high frequency harmonics the output cannot be installed with capacitor or surge suppressing devices because the capacitor and surg
77. s F3 12 AO zero offset 100 0 100 0 E coefficient F4 Group Start Stop Control Parameters F4 00 DC brake initial 0 00Hz 50 00Hz 0 01 10 00Hz 54 frequency at stop Hz F4 01 DC brake waiting 0 0 36 0s 0 1s time at stop F4 02 brake current at 100 FF ET stop F4 03 DC brake time at 0 0 36 0s 3 0 57 stop F4 04 Braking utility rate 0 100 100 pm F5 Group Protection Function F5 00 Motor overload 0 Disabled 1 1 59 protection selection 0 Enabled 44 F5 01 Motor overload protection coefficient F5 02 Over voltage stall 0 no over voltage stall 100 EI ee gain Chapter 5 Function Parameters Func Name Setting Range Min Default Modified Serial Code unit No 77777 F5 03 1 Over voltage stall 120 15076 action value gain F5 05 F5 06 F5 07 F5 08 F5 09 Over current stall 100 200 action value ault automatic reset 0 F times Input phase failure protection selection Inverter offload protection selection F5 10 Fault type 0 Disabled 1 Enabled 0 No fault 1 Inverter unit protection ERRO1 2 Acc over current ERR02 3 Dec over current ERR03 4 Over current at constant speed ERR04 5 Acc over voltage ERR05 6 Dec over voltage ERR06 7 Over voltage at constant speed ERR07 8 Control power supply fault ERROS 9 Under voltage fault ERR09 10 Inverter overload ERR10 11 Motor overload ERR11 12
78. s After the user password is set i e user password FP 00 is not set as 0 when the user presses PRG to enter the function code editing status the system will enter the user password verification status earlier or it cannot enter For the defaults only when the user inputs the factory password can he enter the system Note It is not recommended for the user to modify the default otherwise the inverter will work abnormally or be damaged 40 Chapter 5 Function Parameters The user can change the user password any time if the password protection is unlocked and only the last password input is valid Setting FP 00 to 0 can cancel the password and setting FP 00 as non zero will enable the password protection when powering on Func Name Setting Range Min Default Modified Serial Code unit No F0 Group Basic Function Group F0 00 Control mode 0 Speed sensorless vector 1 x control SVC 1 Reserved 2 V F control 0 01 Command source 0 Operation panel LED Off selection 1 Terminal LED On Frequency source 0 Digital setting not selection memorize Digital setting memorize Pulse setting D14 All A12 Multi speed Auxiliary frequency 0 Invalid source selection 1 Valid auxiliary frequency source is Al2 and only corresponds to 0 1 and 2 of F0 02 Digital preset 0 00Hz Maximum frequency 10 01 50 00Hz frequency valid if the frequency source Hz selection mode is d
79. s parameter it can avoid the occurrence of over current when the inverter is being started In the applications requiring high loads it is recommended to increase this parameter value Otherwise it is to be decreased When the torque boost is set as 0 the inverter implements torque boost automatically F0 09 DII terminal function selection Default 1 Forward running F0 10 DI2 terminal function selection Default 4 Forward jog F0 11 DI3 terminal function selection Default 12 MS speed 1 F0 12 DIA terminal function selection Default 13 MS speed 2 This parameter is used to set the functions corresponding to the digital multifunctional input terminals When the PULSE input is selected DI4 is disabled for any function except for the PULSE input Setting Value Function Description 0 No function The inverter does not run even there is signal The unused terminals can be set as No function to prevent error operation 1 Forward running The forward running and reverse running is FWD controlled via the external terminal 2 Reverse running REV 3 Three line This terminal is used to confirm that the running 51 Chapter 6 Parameter Description running control mode of inverter is three line control mode See F3 00 for details on the introduction of the three line control mode
80. t and brake processes Please select the inverter with higher overload capability if short time overload condition may occur or the application requires higher speed accuracy The load like blower and pump has a low requirement for overload capability Since the load torque is proportional to the square of the speed the load is light at low speed except Ruth blower also the load has a low requirement for the speed accuracy the square V F control mode is suitable for these loads Constant torque load Most of the load has such characteristics of constant torque and the load has low requirement for speed accuracy and dynamic performance The typical loads are extrusion machine blender conveyor belt transportation electrical vehicle and crane Multi speed V F control mode is suitable for these loads Certain dynamic and static index requirements of the controlled objects This kind of load generally requires hard mechanical performance when running at low speed to meet the requirements of dynamic and static index for the control system in the production process The open loop vector control mode may be selected 2 10 Selecting Braking Units 20 Chapter2 Product Information Table of Selecting Braking Units brake torque100 Inverter model Brake resistor Brake unit Remark MD300S0 4 200Q 80W MD300S0 7 150Q 100W MD300S1 5 1000 300W MD30082 2 700 400VV Built in optional A
81. ted value 2 8 Warranty The warranty is only confined to the inverter 1 We provide warranty for a period of 18 months start from the delivery date with reference to the bar code on the inverter for faults and damages under the condition of proper use After 18 months maintenance will be fairly charged 2 Within the 18 month warranty period maintenance will be fairly charged for the following inverter damages a Damage resulting from operations not in compliance with User Manual b Damage resulting from fire flood abnormal mains voltage and so on 19 Chapter2 Product Information c Damage resulting from use of functions outside specifications Service is charged according to the actual expenses however if there is contract priority is given to the contract 2 9 Model Selection Three control modes Common V F SVC and VC The user must be familiar with the technical requirements for adjustable speed induction motor drives application and load characteristics before selecting the inverters and consider the motor output voltage and rated output current so as to select the correct model and operation mode The basic rule Motor s rated load current cannot exceed the rated current of the inverter Generally the motor shall be selected according to the motor capacity Compare the motor s rated current and the inverter s rated current when selecting Inverter s overload capability is very important for the star
82. the integration time Overlarge proportional gain or too small integration time will cause the system to vibrate The regulating method is recommended as follows If the factory parameters cannot fulfill the requirements conduct minor adjustment on the basis of the factory parameters Enlarge the proportional gain first to prevent the system from vibrating then diminish the integration time to ensure that the system has fast response characteristic and the overshoot is small Note Once the Pl parameters are set inappropriately it will cause large overshoot speed even voltage fault when the overshoot returns to the normal level F2 06 Slip compensation coefficient of Default 100 vector control Setting range 50 200 This parameter is used to regulate the steady speed precision when the motor is loaded This parameter value needs to be increased when the motor rotation velocity is low due to heavy load or it will be decreased F2 07 Filter time of speed loop of vector Default 0 002s control NF control AVR selection Setting range 0 000 0 100s 57 Chapter 6 Parameter Description Under the vector control mode the speed loop regulator outputs the torque current command This parameter is used to filter the torque command and generally needs not to be adjusted The filter time may be increased considerably when the speed fluctuates dramatically If the motor vibrat
83. the time t1 required for the inverter to accelerate from 0Hz to the maximum output frequency F6 00 Dec time refers to the time t2 required for the inverter to decelerate from maximum output frequency to OHz F6 00 See the following figure Output frequency Setting frequency tI Time 4 Setting acceleration time Setting deceleration time Actual acceleration time Fig 6 1 Acceleration Deceleration Time Schematic Diagram 50 Chapter 6 Parameter Description Attention shall be paid to the difference between the actual Acc Dec time and the setting Acc Dec time F0 07 V F curve setting Default 0 0 Line V F curve Setting range 1 Reserved 2 Square V F curve For the loads such as fan and pump the square V F curve may be suitable 0 Line V F curve applicable to loads with ordinary constant torque 2 Square V F curve applicable to centrifugal loads such as fan and pump F0 08 V F control torque boost Default 0 0 0 0 Automatic Setting range 0 1 30 Some boost compensations are given to the output voltage when the inverter is at low frequency in order to compensate the V F control low frequency torque feature High torque boost setting value is easy to result in overheating of the motor and over current of the inverter Normally the torque boost shall not be over 8 By effectively adjusting thi
84. there will be danger of electric shock e Grounding cable must be grounded otherwise there will be danger of electric shock or fire AN Notes e Please confirm the mains voltage level is same with that of the inverter otherwise the inverter may be damaged e Make sure the ratings of the driven motor are in compliance with the inverter otherwise the motor may be damaged or the inverter may be in protection status e Do not confuse the input terminals with the output terminals U V W otherwise there will be danger of damaging the inverter e Brake resistor cannot be connected between the DC bus terminals and otherwise fire may occur 1 Main Circuit Terminals of Single phase Inverter Terminals Name Remark L1 L2 Single phase power input terminal Connect single phase AC220V C Positive and negative terminals of DC bus Shared DC bus input PB Terminal for brake resistor Connect brake resistor U V W Inverter output terminal Connect 3 phase motor Terminal for grounding Grounding terminal 2 Main Circuit Terminals of Three phase Inverter Terminals Name Remark R S T 3 phase power input terminal Connect 3 phase AC380V Positive and negative terminals of DC bus Shared DC bus input for inverter above 37kW they are for brake unit PB Terminal for brake resistor For inverter below 30kW they are for brake resis
85. tion Err01 Check if the output loop of the moto Yes driver inverter has the earthing Remove the peripheral fault or short circuit No Yes hether the link between the motor Install the reactor or and the motor driver inverter is too lon output wave filter 7 No Yes Check if the wind channel is blocked Whether the module is overheated Jor the fan is working normally and remove the problem Y Whether the inverse module is normal after renewal No Check if the internal links of Yes Seek technical support the motor driver inverter are loose Plug all the links 0000000007 i AW t iw afe awa wo M d EP AE Whether it is normal after the Yes 1 renewal of the main control board main control board fault No i 1 Yes i Whether the drive board is norma drive board fault after renewal m Inverse module damage 72 Chapter 7 Fault Diagnosis and Countermeasures Over current accelerated Err 02 Check if the output loop of Yes the motor driver inverter has the earthing or short circuit Remove the peripheral fault No Whether the motor parameter 5 identification has AN Perform the motor parameter identific
86. tor U V W Inverter output terminal Connect 3 phase motor Terminal for grounding Grounding terminal 3 Notes on Wiring A Input power supply L1 and L2 or R S and T There is no phase ration requirement for the input of inverter 28 Chapter 3 Mechanical and Electrical Installation B DC bus and terminals Pay attention that the DC bus terminals and still have voltage after power off and the user can only touch the terminals after the CHARGE LED turns off and the voltage is below 36V otherwise there is a danger of electric shock When selecting the brake unit for the inverter above 37kW pay attention that the polarity of and cannot be reverse otherwise the inverter may burn or be damaged The cable length of brake unit shall be less than 10m and twisted pair cables shall be used Do not connect the brake resistor directly to the DC bus otherwise the inverter may burn or be damaged C Brake resistor terminals of and PB The brake resistor terminal is effective only for the inverter of 30kW or below and has a built in brake unit Select the recommended resistor with the cable length of less than 5m otherwise the inverter may burn or be damaged D Inverter output U V and W Inverter output terminals cannot connect to capacitors or surge snub devices otherwise the inverter may be in protective status or damaged If the cables between the motor and the inverter are too long electrical
87. us parameters in sequence There are five stop status parameters to be displayed in the stop status namely setting frequency bus voltage D input status analog input All voltage and analog input A12 voltage MD300 inverter has seven running status parameters to be displayed in the running status namely running frequency bus voltage output voltage output current D input status analog input All voltage and analog input Al2 voltage Of which the terminal status displayed in decimal number is indicated in the unit of bit which is described as follows 37 Chapter 4 Operation and Display BIT 0 1 indicating that D 1 input is valid BIT 1 1 indicating that DI2 input is valid BIT 2 1 indicating that D13 input is valid BIT 3 1 indicating that D14 input is valid BIT4 and BITS are reserved BIT6 1 indicating that RELAY output is valid BIT7 1 indicating that DO output is valid If the inverter is powered on again after power off the parameters displayed are defaulted as those selected before the power off 4 4 Password Setting This inverter provides password protection for users When FP 00 is set to non zero that is the user password and the password protection function is valid once exiting the function code editing status If the user presses PRG again the inverter shall display and the user can only enter the menu after inputting the user password Otherwise the us

MD Series Modular Vector Inverter MD300 User`s Manual

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