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1. 1 2 Precautions 1 2 1 Motor Insulation Inspection When the motor is used for the first time or when the motor is reused since the previous use or when periodical inspection is performed the motor insulation inspection shall be performed so as to avoid damaging of the inverter due to the insulation failure of the motor windings The motor wires must be disconnected from the inverter during the insulation inspection It is recommended to use the 500V megameter and the insulating resistance measured shall be at least 5MQ 1 2 2 Thermal Protection of the Motor If the ratings of the motor do not match those of the inverter especially when the rated power of the inverter is higher than the rated power of the motor the relevant motor protection parameters in the inverter shall be adjusted or thermal relay shall be mounted to protect the motor 1 2 3 Running with Frequency higher than Standard Frequency This frequency of OHz to 300Hz inverter can provide output If the user needs to run the inverter with frequency of more than 50Hz please take the resistant pressure of Chapter 1 the mechanical devices into consideration 1 2 4 Motor Heat and Noise Since the output voltage of inverter is PWM wave and contains certain harmonics the temperature rise noise and vibration of the motor will be higher than those when it runs at standard frequency 1 2 5 Voltage sensitive Device or Capacitor Improving Power Factor at the Outp
2. O O O O O lt o Vector control Factory speed loop default 0 50s integration value time 1 Setup range 0 01 s 10 00s 01 s 10 00 s Vector Factory control 5 00 default switch value frequency 1 Setup range 0 00 F2 05 00 F2 05 Vector control speed loop default proportion value gain 2 acceleration time of F0 05 and maintain for certain period of time Then the motor will decelerate to zero speed in accordance with the setup acceleration time of F0 06 and by this time the rotary tuning is completed Action description Set the function code to 2 and press RUN key for confirmation and then the inverter will conduct rotary tuning Tuning operation description When F1 11 is setto 1 or 2 press ENTER key and TUNE will be displayed and flashes Press RUN key to conduct parameter tuning and at this time the displayed TUNE stops flashing TUNE TC LED flash After the tuning is completed the display will return to the stop status interface When TUNE flashes press PRG to exit from tuning status The tuning process can be stopped by Vector pressing the STOP key When the tuning is control Factory completed the value of F1 11 will speed loop default automatically restore to 0 integration value Group F2 Vector and VF os Setup range 0 01s 10 00s 10 00s Vector Factory control 10 00 default switch value frequency 2 F2 02
3. Chapter 6 Parameter Description Chapter 6 Parameter Description Group FO Basic parameters Control Factory default mode value Non speed sensor sali ae control Reserved s V F control 0 None speed sensor vector control SVC range 1 refers to open loop vector It is applicable to the general high performance control applications where one inverter can only drive one motor The examples include machine tool centrifugal machine wire drawing machine and injection molding machine V F control It is applicable to the site with low requirement for control precision such as fan pump load It can be used in the applications where one inverter drives multiple motors Prompt Motor parameter identification must be conducted when selecting the vector control mode Refer to 4 5 for details Command Factory default Selection value Source Operation panel command channel LED OFF Terminal command channel LED ON Select the channel for inverter control command The inverter control command includes start stop forward rotation reverse rotation and Jog 0 Keypad control COCAL REMOT LED OFF Perform running command control with keys such as RUN STOP RES keys If set multi functional key MF K to FWD REV switching function set F6 11 to 2 the running direction can be on the keypad panel changed by pressing the key 1 Terminal control LOCAL REMOT LED ON Perf
4. Acceleration time refers to the time required for the inverter to accelerate from OHz to the maximum output frequency F6 00 Deceleration time refers to the time t2 required for the inverter to decelerate from the maximum output frequency F6 00 to OHZ as shown the following figure Output Frequency Fmax Setting Frequency Time lt Pera Actual Acceleration Time Actual Deceleration Time 2 Setting Acceleration Time Setting Deceleration Time Fig 6 1 Schematic diagram for acceleration deceleration time Due attention shall be paid to the difference between the actual acceleration deceleration time and the setup acceleration deceleration time Factory default value Straight Curve V F curve setup line V F Setup O Square V F curve _55 The fan and pump loads may select square V F control O Straight V F curve common constant torque load It is suitable for 2 Square V F curve It is suitable for the centrifugal loads such as fan and pump Factory default value V F control torque boost 0 0 automatic 0 1 30 To compensate the low frequency torque characteristics of V F control it can boost the output voltage of the inverter at the time of low frequency If the torque boost is set to be too large the motor may be over heat and the inverter may be over current In general the torque boost shall not exceed 8 Adjusting this parameter effe
5. Variable frequency asynchronous motor permenant magnetic synchronous motor Factory default value Setup range 0 4kW 1000 0kW model dependent Factory default value Setup range 0V 440V Rated voltage Factory default value Rated current model dependent Setup range 0 00A 655 35A Factory Rated default frequency value 50 00Hz Setup range 0 00 to maximum output frequency Rated Factory Rotation default value 1460rpm speed Setup range 0rpm to 30 000rpm Chapter 6 Parameter Description 1 Please set the parameters according to the nameplate parameters of the motor Accurate motor parameters shall be provided to ensure good vector control performance Accurate parameter identification relies on correct setting of motor rated parameter To ensure the control performance please configure the motor in accordance with approved inverter standard motor If the motor frequency is greatly different from that of the approved standard motor it will obviously reduce the control performance of the inverter Factory default value Factory default value Leakage Factory default reactance value Mutual Factory default reactance value Factory default value Setup range 0 01mm 650 00A When the automatic tuning of the motor is Stator resistance Rotor resistance inductive inductive No load current 60 normally completed
6. Inverter Nameplate Fig 2 3 Physical Appearance of Inverter Configuration amp dimensions of outer keypad Mounting hole size of outer keypad 73 4402 enn 4 0 typ2 116 0 0 1 1040 Fig 2 4 Configuration amp dimension of outer keypad 15 Chapter 2 Product Information Fig 2 5 Schematic Diagram for Configuration amp Mounting Dimensions of 0 4kW 15kW Inverter a a O i i er rai ro EG eS Ho I l S i A Fig 2 6 Inverter of 18 5kW 90kW 16 Chapter 2 Product Information 2 5 2 Mounting hole size Table 2 3 Mounting hole size of MD300 inverter Adaptable A B H W Motor mm mm mm mm xD LS Di gt 35 0 MD300S0 4 MD300S0 7 MD300S1 5 MD30052 2 MD300TO 7 MD300T1 5 MD300T2 2 MD300T3 7 MD300T5 5 MD300T7 5 MD300T11 MD300T15 MD300T18 5 MD300T22 D MD300T30 Ww DE sx eef MD300T37 J 182 Z 246 3 348 4 30 Ee gt mja MD300T45 Ss VI O Ol N cn VI VI DI O1 cn DI MD300T55 Ol VI MD300T75 lt VI 172 23 36 58 30 23 47 4 89 98 80 678 73 MD300T90 A e O 17 Chapter 2 Product Information 2 6 Options and Accessories Table 2 4 MD300 Inverter Options and Accessories The letter B attached Built in brake behind the unit produc
7. It is enabled only when F0 02 frequency source selects AIl or AI2 When the frequency reference is digital frequency reference this terminal can be used to clear the frequency value modified by UP DOWN and thus restore the reference frequency to the setup value of F0 04 When the command source F0 01 is set to 1 it performs switching between terminal control and keyboard control via this terminal Chapter 6 Parameter Description Corresp Frequen onding cy Setup Paramet MS MS OFF speed 0 speed 0 MS MS speed 1 speed 1 MS MS OFF speed 2 speed 2 MS MS Sau speed 3 speed 3 DO output 7 selection Factory Inverte collector default r IS open l value runnin output terminal i Description The output terminals no output Inverter is does not have any function the running It indicates inverter is and there is output and ON signal will output at running frequency this time When the inverter is faulty it outputs ON signal _58 Frequency Please refer to F6 10 arrival for details output selection Factory Analog default output value terminal The standard for analog output is from OmA to 20MA or from OV to 10V The corresponding value range that it indicates is shown in the table below Set up Description value running O to maximum frequency output frequency Setup O to maximum frequency output frequency 0 2 times
8. maximum enabled to the V F control that is it is valid when range output frequency FO 00 2 F2 00 and F2 01 are PI adjustment Control Parameters Function codes from F2 00 to F2 08 are only enabled to the vector control that is it is valid when FO 00 0 Function codes from F2 09 to F2 10 are only Vector parameters when the running frequency is lower than switching frequency 1 F2 02 F2 03 and F2 04 are PI adjustment parameters when the running frequency is control Factory speed loop default proportion value gain 1 higher than switching frequency 2 F2 05 Setup range 0 100 PI adjustment parameter between the switching frequency 1 and switching 61 Chapter 6 Parameter Description frequency 2 is linear switching between two groups of PI parameters Frequency Command F2 02 F2 05 Fig 6 2 Schematic diagram of PI parameter The speed dynamic response characteristics of the vector control can be adjusted by coefficient and setting the proportional integration time of the speed regulator Increasing the proportional gain or reducing the dynamic integration time can accelerate the response of the speed loop However if the proportional gain is too large or the integration time is too short it will cause the oscillation of the system Recommended adjustment method If the factory default parameters cannot meet the requirements the relevant parameter values can be s
9. F0 04 is valid when the frequency frequency aw source is digital set 0 Straight line V F curve V F curve FO 07 1 Reserved selection 2 Square V F curve V F control torque 0 0 automatic FO 08 boost 0 0 30 0 DI1 terminal 0 No function FO 09 function selection 1 Forward rotation FWD cui DI2 terminal 2 Reverse rotation REV i function selection 3 three line control D13 terminal 4 Forward rotation Jog FJOG FO 1 1 function selection 5 Reverse rotation Jog RJOG 42 Chapter 5 Function Parameter Table Factory Code Setup range default value 6 Terminal UP 7 Terminal DOWN 8 coast to stop 9 Fault reset RESET 10 Reserved External fault normally open input 12 MS speed terminal 1 13 MS speed terminal 2 14 External fault normally closed input DI4 terminal 15 Reserved function selection 16 AI1 and AI2 reference switch 17 18 Reserved 19 UP and DOWN setup clear terminal and keyboard 20 Running command switching terminal 21 Reserved If the input selects PULSE all DI4 functions are disabled and the input can only corresponds to PULSE 0 no output DO output 1 Inverter is running selection 2 Fault output 3 Frequency arrival co Chapter 5 Function Parameter Table Factory Cha Code Setup range default value 0 Running frequency 1 Setup frequency 2 Output current AO output F0 14 3 PULSE input corresponding selection setup 4 AI1 correspo
10. In the V F control mode when it needs fast stop and there is no brake resistor selecting Chapter 6 Parameter Description Disabled only at the time of deceleration can greatly reduce the possibility of over voltage fault alarm When there is brake resistor or it has not need for fast deceleration select AVR Always Enabled Vector Factory default value control 150 0 torque upper limit Setup range 5 0 200 0 Vector Factory default value control 150 0 torque upper limit Setup range 5 0 200 0 Set rated output torque of 100 matched motor of inverter is enabled for V F control V F control Factory slip default compensa value tion factor Setup range Setting this parameter can compensate the 0 0 200 0 slip in the V F control mode due to load and reduce the change of rotation speed of the motor following the load change In general 100 corresponds to the rated slip of the motor with rated load Slip coefficient the principles When the load is rated load and the adjustment can refer to following slip compensation coefficient is set to 100 the rotation speed of the motor in the inverter is close to the reference speed wees V F oscillation control Factory default suppression value gain Setup range 0 100 Select 0 for this gain when the motor has no oscillation Only when the motor has obvious oscillat
11. MD series inverter is general functional module which mainly includes some basic functions of the inverter such as PID MS frequency and other general functions control speed swing According to the degree of complexity of functions Shenzhen Inovance Technology Co Ltd provides two sub modules for options of the customers namely MD320 functional module and MD300 functional module Refer to Table 1 for the difference between the two modules Foreword Table 1 Difference between MD300 and MD320 Functional Modules 5 DI bidirectional input and one high speed 4xDI single directional input one Input output terminal port 2xAI 2xDO one high speed port 2xAl 1xDO 1xAO high speed port 1xAO 1xRelay 1xRelay expandable I O Control mode SVC VC and V F SVC and V F Multiple point fold line mode which is Analog reference l l l l d Straight line mode easy to realize the functions of the mode injection molding machine Be able to realize 16S l MS speed Be able to realize 4S speed speed l Be able to realize 16S Simple PLC o l None timing operation Swing frequency and i se Available None fixed length control Main auxiliary Main auxiliary reference 7 Only A12 can be auxiliary reference reference of any channel Communication l l l DSN l Via the expansion card Via the specialized card function PID control Available None DI Foreword 3 The top layer module of MD series inverter is use
12. actual detection parameter running record parameter etc 2 be modified in running status It can be The function code cannot modified only after the unit is stopped 4 3 Method of Viewing Status Parameter For MD300 inverter under the stop or operating status the status parameters of the inverter can be displayed by LED digital tube The status parameters under the stop running ENTER 39 statuses can be cyclically displayed through pressing shift key Under the stop status there are five status parameters of MD300 inverter can be displayed cyclically through shift key they are as follows setup frequency bus voltage DI input status analog input Al voltage and analog input Al2 voltage Under the running status there are seven status parameters of MD300 inverter can be displayed cyclically through shift key they are as follows setup frequency bus voltage output voltage output current DI input status analog input Al1 voltage and analog input Al2 voltage Show the terminal status displayed in decimal system in accordance with bit that is BITO refers to 1 showing effective DI1 input BIT1 refers to 1 showing effective DI2 input BIT2 refers to 1 showing effective DI3 input BIT3 refers to 1 showing effective DI4 input BIT4 to BIT5 retained BIT6 refers to 1 showing effective RELAY output BIT7 refers to 1 showing effective DO output When the inverter is restarted upon power shutdown the displ
13. does not rotate gt Me i LO the motor and machinery No The inverter model is small Fig 8 10 Inverter Motor Overload ERR10 ERR11 Phase loss at the input side Check and resolve the problems in the external lines to ensure that the three phase power input to the inverter is normal Yes Yes l No If the main control board is normal Replace the main control board Fig 8 11 Phase Loss at Input Side ERR12 _84 Chapter 8 Troubleshooting and Countermeasures LL Chapter 8 Troubleshooting and Countermeasures Phase loss at the output side Check if the cable connecting the inverter to the motor is normal Check if the three phase output of the running inverter without motor is balanced No Perform troubleshooting Check if the three phase winding of the motor is normal and remove the fault No ni Replace the drive board Check if the drive board is normal Check if the module is normal J o gt Replace the module Fig 8 12 Phase Loss at Output Side ERR13 Module over heat Yes l If the ambient temperature is too high e Reduce the ambient temperature No Yes l No Yes If the fan is broken Replace the fan No I I I I I I If the thermal resistor of the module is broken Yes gt Replace the thermal resistor No Yes If t
14. is exceeded the inverter will stop because of failure and wait for maintenance _68 Inverter load lost protection selection Setup range 0 Disabled 1 Enabled Frequency upon fault Current upon fault Bus voltage upon fault Chapter 6 Parameter Description Factory default value Select whether to provide protection for load loss When selecting load loss protection and no load is added to the output end of inverter the output frequency of inverter will automatically reduced to 2Hz Display the frequency upon fault for the recent most one time the current upon Display fault for the most recent one time the voltage Display bus upon fault for the recent most one time 69 Group F6 Auxiliary Function maximum Factory default frequency value Setup 50 00Hz 300 00Hz range It is used to set the maximum output output frequency of inverter Factory default value Frequency upper limit frequency lower limit FO 11 to frequency F6 00 maximum Upper limit of inverter output frequency Factory default lower limit value 0 00Hz Setup range F6 01 When the inverter starts to run the inverter Frequency upper limit will not output if the reference frequency is less than the lower limit frequency During the running process if the reference frequency is less than the lower limit f
15. it must firstly make clear the technical requirements of the system for variable frequency speed adjustment and specific details regarding the applications and load characteristics of the inverter and select the model and determine the operating mode through taking into overall consideration the adaptable motor output voltage rated output current and other factors The basic principle is that the rated load current of the motor shall not exceed the rated the selection is based on the adaptable motor current of the inverter Generally Chapter 2 Product Information capacity as specified in the instruction manual Due attention shall be paid to the comparison between the rated currents of motor and inverter The overload capacity of the inverter only affects the startup and brake process In case short time overload occurs during the running process variation of load speed may arise If the requirement for the speed precision is relatively high it can consider increasing the level Fan and pump type Their requirements for the overload capacity are relatively low Since the load torque is proportional to the square of the velocity the load is relatively light except Roots fan when running at low velocity In addition this type of load has no special requirements for the rotation precision Thus square torque V F is selected Constant torque load Most of loads have but the requirements for rotation velocity and dynam
16. output frequency various monitoring data and alarm code 4 Keyboard button description Table 4 1 MD300 inverter keypad button description _ PRG Enter into exit from level 1 menu ENTER confirmation enter the menu interfaces level by level and confirm the set parameters Fa increase increase of the data or function code increase of the data or function code data or function code Vv decrease key decrease of the data or function code e modification parameters Select the displayed parameters in turn on the stop display interface and running display interface and select the digit of parameters when modifying l It is used to start the inverter under keyboard control RUN Running key F mode operation STOP RESET Stop reset in Press this button to stop in the running status and reset the the fault alarm status This button characteristics are limited by the function code F7 02 In case F6 11 0 it can not be used In case F6 11 1 it serves as the key switching between local operation and remote operation Multi function In case F6 11 2 selection key switching key it serves as forward reverse rotation In case F6 11 3 it serves as forward rotation Jog key Refer to F6 11 for the detailed operation 4 2 Description of Function Code Viewing and Modification Methods of the MD300 inverter adopts three level menu structure to The operation panel carry out operations
17. pulse input There are two analog input terminals one of which can be used only as voltage input while the other can be used as voltage or current input One digital output terminal One relay output terminal One analog output terminal outputs of setting frequency and output frequency are enabled It is able to display multiple parameters such as setting frequency output frequency output voltage and output current It can implement power on motor short circuit detection input output phase loss protection over current protection over voltage protection under voltage protection over heat protection and overload protection Indoor and being free from direct sunshine dust corrosive gas combustible gas oil smoke vapor drip or salt Protection class IP20 STR Chapter 2 Product Information po tem Specifications If the altitude is lower than 1000m higher than altitude 1000m please derate it for use 10 C to 40 C derated when used in the ambient ambient temperature temperature of 40 C to 50 C Humidity Less than 95 RH without condensing Vibration Less than 5 9 m s 0 6g Storage temperature 20 C to 60 C Pollution class Class 2 Refer to IEC61800 5 1 4 2 6 for details _14 Chapter 2 Product Information 2 5 Configuration and Dimensions 2 5 1 Physical Appearance Upper Operation Panel Cover Plate i Lower Cover Plate I O Por Bottom Mounting ole Fan
18. running control startup stop of the inverter can be realized on the operation panel The outline and functional area are shown as Fig 4 1 Digital display Program key Invalid key Run key Digital modification key Function indicator anit indicator Enter data confirm key Shift key Shift ke Stop key Reset key Multifunction selection Fig 4 1 Operation Panel Diagram 1 Description of Function LED Indictor RUN When it is OFF it indicates the inverter is in stop status when it is ON it indicates the inverter is running LOCAL REMOT For keypad operation terminal operation and remote operation communication control LEDs if the LED is OFF It shows the keypad operation control status otherwise it is under the terminal operation control status FWD REV It is the LED indictor for forward reverse rotation When it is OFF it indicates the inverter is in forward rotation status when it is ON it indicates the inverter is in reverse rotation status TUNE TC It is the LED indictor for tuning When it is ON it indicates the torque control status when it is OFF it indicates the speed control status 2 Unit LED indictor description Hz refers to frequency unit A refers to current unit V refers to voltage unit RPM refers to rotation velocity unit refers to percentage 3 Digital display zone Chapter 4 Operation and Display Five digit LED display able to display setup frequency
19. such as parameter setting The three level menu includes function 38 parameter set level 1 menu Function code level 2 menu Function code setup value level 3 menu Fig 4 2 Operation Procedure of Three level Menu Refer to Fig 4 2 for the operation procedure Parameter Set Modification Function Code Modification Function Code Modification p i 2 am 2a PRO PRG First level Menu Second level Menu Fig 4 2 Operation Procedure of Three level Menu Chapter 4 Operation and Display Note When operating on level 3 menu press PRG key or ENTER key to return to The difference between PRG key and ENTER key is described as follows Pressing ENTER KEY will save the setup parameter to control board and return to the level 2 menu level 2 menu and automatically shift to the next function code while pressing PRG key will directly return to level 2 menu without saving the parameter and it will return to the current function code Example Modify the function code F2 05 from 10 00Hz to 15 00Hz Characters in bold shows the flashing 50 00 FO al F2 F2 00 F2 05 PRG 4 ENTEI gt gt PRG NTER A ra recon is 00 4 10 00 Li 00 Fig 4 3 Example of parameter editing operation In level 3 menu if the parameter has no flashing bit it indicates that the function code cannot be modified The possible reasons include 1 The function code is an unchangeable parameter such as
20. the over current fault caused by DC brake beginning when the velocity is relatively high DC brake current at stop It refers to the added DC brake quantity The higher this value is the better the DC brake effect is DC brake time at stop It refers to the added time of the DC brake quantity When this 66 Chapter 6 Parameter Description Group F5 Fault and Protection Motor overload Factory protection selection Setup range 0 Disabled 1 Enabled Motor overload protection coefficient Setup range 0 20 10 00 default value 0 The inverter has no overload protection for the motor and thermal relay is installed before the motor 1 The inverter has overload protection function for the motor Refer to F5 01 for the protection value Factory default value The motor overload protection is inverter time lag curve 220 x F5 01 x rated motor current one minute 150 x F5 01 x rated motor current 60 minutes Gp Factory Stall gain default over voltage Setup range O no stall over voltage to 100 Stall point value It adjusts the inverter s capacity in suppressing the stall over voltage The bigger the value is the stronger the suppressing capacity is For the load with small inertia the value should be small Otherwise the dynamic response of the system will be slow For the load with large inertia the value should be large Otherwise
21. two phase one Otherwise it may cause fault or damage the inverter 1 2 9 Lightning Protection The series inverter has lightning over current protection device to provide certain self protection capacity against the lightning In applications where lightning occurs frequently the user shall install additional protection devices at the front end of the inverter 1 2 10 Altitude and Derating Application In areas with altitude of more than 1 000 meters the heat dissipation of the inverter may turn poor due to rare air Therefore it needs to derate the inverter for use Please contact our company for technical consulting in case of such condition 1 2 11 Certain Special Use If the user needs to use the inverter with the methods other than the recommended wiring diagram in this manual such as shared DC bus please consult our company 1 2 12 Precautions at the time of Inverter Disposal The electrolytic capacitors on the main circuit and the PCB may explode when they are burnt Emission of toxic gas may be generated when the plastic parts are burnt Chapter 1 Please dispose the inverter as_ industrial wastes 1 2 13 Adaptable Motor 1 The standard adaptable motor is four pole squirrel cage asynchronous induction motor If such motor is not available be sure to select adaptable motors according to the rated current of the motor In applications where drive permanent magnetic synchronous motor is required please consult
22. 1 1 4 Before Power on 1 Please confirm whether the power voltage class is consistent with the rated voltage of the inverter and whether the IO cable connecting positions are correct and check whether the external circuit is short circuited and whether the wires are firmly connected Otherwise it may damage the inverter 2 The cover must be well closed prior to the inverter power on Otherwise electric shock may be caused 3 The inverter is free from dielectric test because this test is performed prior to the Otherwise accident delivery may occur _6 Safety and Precautions 4 Whether all the external fittings are connected correctly in accordance with the circuit provided in this manual Otherwise accident may occur 1 1 5 Upon Power on 1 Do not open the cover of the inverter upon power on Otherwise there will be danger of electric shock 2 Do not touch the inverter and its hand Otherwise there will be danger of electric surrounding circuit with wet shock 3 Do not touch the inverter terminals including control terminal Otherwise there will be danger of electric shock 4 At the beginning of power on the inverter will perform the security check for the automatically Thus at this time please do external heavy current circuit not touch terminals U V and W or the terminals of motor otherwise there will be danger of electric shock 5 If parameter identification
23. 5 10 Fault record type ERR0O9 10 Inverter overload ERR10 11 Motor overload ERR11 12 Input phase loss ERR12 13 Output phase loss ERR13 14 Heatsink over heat ERR14 15 External fault ERR15 16 Reserved 17 Reserved 18 Current detection fault ERR18 19 Motor tuning fault ERR19 20 Reserved 21 EEPROM CERR21 22 Inverter hardware fault ERR22 23 Motor to earth short circuit fault ERR23 24 Reserved Chapter 5 Function Parameter Table Factory an a Code ES Setup range default nge Frequency upon F5 11 A oe fault value F5 12 Current upon fault Bus voltage upon F5 13 oe fault Group F6 Auxiliary Function maximum output F6 00 50 00Hz 300 00Hz frequency Frequency Frequency lower limit x 0 01Hz 0 00Hz 0 01A 0 00A 0 1V 0 0V 0 01Hz 50 00Hz x n O O 0 01Hz 50 00Hz upper limit maximum output frequency Frequency lower F6 02 0 00 Frequency upper limit 0 01Hz 0 00Hz limit F6 03 Carrier frequency 0 5kHz 16 0kHz F6 04 Jog frequency 0 00Hz 50 00Hz Jog acceleration F6 05 0 0s 3000 0 0s time Jog deceleration F6 06 l 0 0s 3000 0 0s time 0 Reverse rotation enabled F6 07 Reverse control 1 Reverse rotation disabled Forward reverse rotation 0 0s 3000 0s dead zone time Start protection 0 Protection F6 09 function 1 No Protection Frequency arrival 0 0 100 0 maximum Model dependent 2 00Hz 0 1kHz 0 01Hz 20 0
24. 7 5 11 15 118 5 22 30 37 45 55 75 90 Motor Power a all a ve ae ta KW 0 4 0 75 1 5 2 2 3 7 5 5 7 5 11 15 18 5 22 30 37 45 55 75 90 Fig 2 1 Designation Specification 2 2 Nameplate MODEL MD300T0 TKB POWER 0 75kW INPUT SPH AC3S0V 3 4A 50Hz 60Hz OUTPUT SPH ACO S80V 2 3A 0 300Hz SI EETA SHENZHEN INOVANCE TECHNOLOGY CO LTD Fig 2 2 Nameplate 10 Chapter 2 Product Information 2 3 MD300 Inverter Series Table 2 1 MD300 Inverter Model and Technical Data Power Input Output Adaptable Inverter Input supply current current Motor model voltage capacit ni CA CA KW kava so ws oo o 89 wo mo ss soo o 00 son _ sso o sio 4s0 ao oo meo 900 _ SGA Chapter 2 Product Information 2 4 Technical Specification Table 2 2 MD300 Inverter Technical Specifications tem Specifications 0 5k to 16kHz the carrier frequency will be Carrier frequency automatically adjusted according to the load characteristics Input frequency Digital setting 0 01Hz resolution Analog setting maximum frequency 0 1 Control mode Open loop vector control SVC V F control Startup torque 0 5Hz 150 Speed adjustment 1 100 SVC range Basic Speed stabilization 0 5 SVC specification precision Overload capacity 150 rated current 60s 180 rated current 1s Automatic torque boost manual torque boost 0 1 to 30 0 ViFc
25. Contents FORC WONG eeecscccceivcetete ane Eaa eea aa Eei 1 Chapter 1 Safety and Precautions 5 1 1 Safety ISSUES 5 1 2 Precautions libbre 7 Chapter 2 Product Information 10 2 1 Designation RUIES tt 10 2 2 Nameplate ella 10 2 3 MD300 Inverter Series 11 2 4 Technical Specification 12 2 5 Configuration and Dimensions 15 2 6 Options and Accessories 18 2 7 Routine Maintenance of inverter 19 2 8 Instructions on Warranty of Inverter 20 2 9 Prototyping Guide 20 2 10 Guide to Prototyping of Brake Components E IE 21 Chapter 3 Mechanical and Electrical installation alias 23 3 1 Mechanical installation 23 3 2 Electrical Installation 27 Chapter 4 Operation and Display 37 4 1 Introduction to Operation and Display INteracesss lai 37 4 2 Description of Function Code Viewing and Modification Methods 38 4 3 Method of Viewing Status Parameter 39 4 4 Password Setting 39 4 5 Automatic Tuning of Motor Parameters 40 Chapter 5 Function Parameter Table 41 Chapter 6 Parameter Description 53 Group FO Basic parameters 53 Group F1 Motor Parameters 59 Group F2 Vector and VF Contr
26. I2 as switching terminal of frequency source then FO 10 16 When disconnecting DI terminal input the frequency source is set to analog value when closing DI terminal frequency source is the set frequency of F0 04 2 Add display function of line speed F6 20 is defined as the display factor of line speed with a range of 0 01 to 100 00 and 1 00 is the factory default value The user shall set the parameter in accordance with the needs F6 21 reserved Display set line speed under stop status of inverter and actual line speed under running Status 90 Attachment Non standard Specification Attachment B MD300 with FDT Function Non standard Specification The product is the non standard inverter of MD300 with frequency detection value satisfied FDT function it outputs ON OFF signal for showing whether FDT is satisfied through DO terminal Hence the following changes are made based on MD300 general products 1 Al sets curve with two points F3 02 F3 05 F3 02 and F3 03 are the minimum input voltage and the corresponding setting of the voltage set by Al F3 04 and F3 05 are the maximum input voltage and the corresponding setting of the voltage set by Al As non standard function code F3 06 F3 09 are not the setting function codes of Al 2 F3 06 is FDT electrical level Setting range 0 Upper limit frequency Factory default value 50 00Hz 3 F3 07 is FDT width Setting range 0 100 0 Factory default value 5 0 4 Ch
27. Jog refers to Jog For details regarding frequency and Jog acceleration deceleratio n time during the Jog running refer to F6 04 F6 05 F6 06 function codes and When the frequency is given by the external terminals it is used as gain and decrement commands of frequency modification When the frequency source is set to digital setup it can be used to adjust the setup frequency The inverter locks the output and the motor stop process is beyond normally open input MS MS terminal 2 normally closed Chapter 6 Parameter Description Description the inverter control It is the general method adopted when there is huge load and no requirement for the stop time This mode is the same as the meaning of coast to stop as described in F6 10 External fault reset function Itis the same as the function of RESET key on the keyboard Using this function can realize long distance fault reset After the external fault signal is sent to the inverter the inverter reports fault and stops It can realize 16S speed through the combination of digital status of these two terminals Refer attached table 1 for the MS speed function description After the external fault signal is sent to the inverter the inverter reports fault and stops Reference switch between AII and ALI UP and DOWN setup clear terminal and keyboard Running command switching terminal Description
28. Perform troubleshooting No No If the motor parameters are identified gt Identify the motor parameters Yes If the acceleration time is too short _ gt Prolong the acceleration time No V F Mode If the manual boost torque or V F curve is proper Adjust the manual boost torque or V F curve Yes Yes If the voltage is too low Adjust the voltage to normal range No Select start upon rotational Yes velocity follow up or start If the rotating motor is started gt upon motor shutdown No If load is added suddenly Yes si during the acceleration gt Remove the additional load No The inverter model is rather small Fig 8 2 Acceleration over current CERRO2 _79 Chapter 8 Troubleshooting and Countermeasures Deceleration over current Check if the output loop of the inverter is earthed or short circuited No If the motor parameters are identified If the deceleration time is too short No If the voltage is too low No If load is added suddenly during the deceleration No If the brake unit and brake resistor are installed Yes _ gt Perform troubleshooting No Identify the motor parameters Yes Prolong the deceleration time Yes V F Mode Adjust the voltage to normal range Yes Remove the additional load nstall the brake uni and brake resistor Ask for technical support Fig 8 3 Deceleration over current CERRO3 80 Chapt
29. ameter protection password is set and the parameter menu cannot be opened until correct password is entered To cancel the password it needs to set FP 00 to 0 The symbols of the function code are described as follows o It indicates that the parameter setup value can be modified when the inverter is in stop status and running status x It indicates that the parameter setup value cannot be modified when the inverter is in the running status it indicates the parameter is the actual tested value which cannot be modified It indicates this parameter is Factory default parameter and can be set only by the manufacturer Function Parameter Table Factory Code Setup range default value Group FO Basic Function Group 0 None speed sensor vector control SVC F0 00 Control mode 1 Reserved 2 V F control 0 Operation panel running Command Source command channel LED OFF Selection 1 terminal operation command channel LED ON 0 Digital setup without memory 1 Digital setup with memory Frequency source 2 Pulse setup effective DI4 selection input 3 Alt 4 Al2 5 MS speed 41 Chapter 5 Function Parameter Table Factory Code Setup range default 0 invalid Auxiliary 1 valid auxiliary frequency F0 03 Frequency source source Al2 which can be 0 1 Y selection and 2 only corresponding with FO 02 BEI 0 00 to upper limit frequency It Digital preset l
30. ange the setting range of F0 13 DO output selection to 0 4 and the factory default value to 4 that is FDT output Once the running frequency of inverter reaches the frequency value set by F3 06 DO terminal outputs ON signal When inverter runs at any frequency over F3 06 setting DO terminal always outputs ON signal IF Do output is in the status of ON the running frequency is less than F3 06 and the difference is over F3 07 Do terminal will exit from On status 5 F3 08 F3 09 are reserved function codes _9 Te Inovance Warranty Agreement 1 The warranty period of the product is 18 months refer to the barcode on the equipment body During the warranty period if the product fails or is damaged under the condition of normal use by following the instruction Our Company will be responsible for free maintenance 2 Within the warranty period maintenance will be charged for the damages caused by the following reasons a The damage caused by improper use or repair modification without prior permission b The damage caused by fire flood abnormal voltage other disasters and second disaster c The hardware damage caused by dropping or transportation upon the procurement d The damage caused by the improper operation e The damage or failure caused by the trouble out of the equipment e g external device 3 If there is any failure or damage to the product please correctly fill out the Product Warranty C
31. ard in detail 4 The maintenance fee is charged according to the newly adjusted Maintenance Price List by our company 5 In general the warranty card will not be re issued Please keep the card and present it to the maintenance personnel when asking for maintenance 6 If there is any problem during the service please contact the agent of our company or our company directly 7 This agreement shall be interpreted by Shenzhen Inovance Technology Co Ltd Shenzhen Inovance Technology Co Ltd Service Department Address Block E Hongwei Industry Park Liuxian Road Baocheng No 70 Zone Bao an District Shenzhen Tel 086 755 29619910 P C 518101 Website www inovance cn ly S Inovance Product Warranty Card Add of unit Customer Contact person information Product je Body barcode Attach here Product information Name of agent Maintenance time and content Failure information Maintenance personnel
32. ayed parameters are the selected before parameters the power shutdown 4 4 Password Setting The inverter provides user password protection function When FP 00 is set to non zero value it indicates the user password and the password protection turns valid after exiting from the function code editing status When pressing PRG key again will be displayed and common menu cannot be Chapter 4 Operation and Display entered until user password is entered correctly To cancel the password protection function enter with password and set FP 00 to O 4 5 Automatic Tuning of Motor Parameters If selecting vector control operation the nameplate parameter of motor must be correctly entered before the running of the inverter and MD300 inverter will select the matched standard motor parameter according to nameplate parameter The vector control mode is greatly depending on the motor parameter To get good control performance the parameters of the controlled motor must be acquired The procedures for the automatic tuning of motor parameters are described below Firstly Set FO 01 to 0 Set the operation mode to keypad operation Secondly input the following parameters in accordance with the actual motor parameters F 1 01 motor rated power F 1 02 motor rated voltage F 1 03 motor rated current F 1 04 motor rated power F 1 05 motor rated rotation speed If the motor is completely disconnected
33. ce rejection test 4 Input frequency change test 5 Input voltage unbalance test 6 input voltage fluctuation test The tests shall be conducted strictly in accordance with the above requirements of IEC EN61800 3 and the products of our company are installed and used according to Section 7 3 and have good electromagnetic compatibility in general industry environment 7 3 EMC Introduction 7 3 1 Harmonic Effect Higher harmonics of power supply may damage the inverter Thus at some places where mains quality is rather poor it is recommended to install AC input reactor 7 3 2 Electromagnetic Interference and Installation Precautions There are two kinds of electromagnetic interferences one is interference of electromagnetic noise in the surrounding environment on the inverter and the other is interference of inverter on the surrounding equipment Installation precautions Chapter 7 EMC Electromagnetic Compatibility 1 The earth wires of the Inverter and other electric products shall be well grounded 2 The power input and output power cables of the inverter and weak current signal cables e g control line shall not be arranged in parallel and vertical arrangement is preferable It is recommended that the output power cables of the inverter employ shield cables or steel pipe shielded cables and that the shielding layer be earthed reliably The lead cables of the equipment suffering interferences are recommended t
34. cient da TR pom fo fe Group F4 Startup stop Control Parameters DC brake e 0 00Hz 50 00Hz F4 00 beginning 0 01Hz 0 00Hz frequency at stop DC brake waiting F4 01 l 0 0s 36 0 0s 0 1s 0 0s time at stop DC brake current F4 02 0 100 0 at stop 0 1s 0 Group F5 Protection Function Motor overload 0 Disabled F5 00 protection 1 1 1 Enabled selection Motor overload F5 01 protection 0 50 10 00 0 01 1 00 coefficient 1 1 DC brake time at F4 03 0 0s 36 0 0s i OS stop 1 0 Stall gain over O no stall over voltage F5 02 voltage 100 Stall point over F5 03 120 150 130 voltage _47 Chapter 5 Function Parameter Table Factory Setup range default Stall gain over O no stall over voltage 100 current Stall point over 100 200 1 current Fault auto reset l 0 3 1 times Fault auto reset 0 1s to 100 0s interval J Input phase loss 0 Disabled protection 1 Enabled selection Inverter load lost 0 Disabled protection 1 Enabled selection 48 Chapter 5 Function Parameter Table Factory Cha Code Setup range default 0 No fault 1 Inverter unit protection ERRO1 2 Acceleration over current ERRO2 3 Deceleration over current ERRO3 4 Constant speed over current ERRO4 5 Acceleration over voltage ERRO5 6 Deceleration over voltage ERRO6 7 Constant speed over voltage ERRO7 8 Control power supply fault ERRO8 9 Under voltage failure F
35. cquiring the inverter the user shall pay attention to the following points regarding the temporary and long term storage of the inverter 1 Pack the inverter with original package and place back into the packing box of our company 2 Long term storage will degrade the electrolytic capacitor Thus the product shall be powered up once every 2 years each time lasting at least five hours The input voltage shall be increased slowly to the rated value with the regulator 2 8 Instructions on Warranty of Inverter Free warranty only applies to the inverter itself 1 Our company will provide 18 month warranty starting from the leave factory date 20 as indicated on the barcode for the failure or damage under normal use conditions If the equipment has been used for over 18 months reasonable repair expenses will be charged 2 Reasonable repair expenses will be charged for the following situations within 18 months 1 The equipment is damaged because the user fails to comply with the requirements of the user s manual 2 Damage caused by fire flood and abnormal voltage 3 Damage caused when the inverter is used for abnormal function The service expenses will be calculated according to the standard of the manufacturer If there is any agreement the agreement shall prevail 2 9 Prototyping Guide MD 300 series inverter provides two operation modes Common V F and open loop vector When selecting inverter
36. ct of the inverter will start and the fault code will be displayed on the display panel of the inverter Before consulting the service department the user can perform self check according to the prompts of this chapter analyze the fault cause and find out t solution If the fault is caused by the reasons as described in the dotted frame please consult the agents of inverter or our company directly Inverter Unit Protection Yes Perform T_ gt Troubleshooting Check if the inverter output loop is short circuited No If the cable connecting the motor Yes with the inverter is too long gt Install a Reactor or Output Filter No Yes Check if the air duct is blocked and If the module is over heat if the fan is in normal status and resolve the existing problems No Check if the cable connections Yes inside the inverter are loosen gt Insert all the connecting cables properly If it works normally after replacing Yes y The main control the main control board board is faulty No If it works normally after Yes The drive board replacing the drive board is faulty gt Ask for technical support The inverter is damaged Yes If it works normally after replacing the inverter Fig 8 1 Inverter unit protection ERR0O1 _78 Chapter 8 Troubleshooting and Countermeasures Acceleration over current Check if the output loop of the inverter is earthed or short circuited lca
37. ctively can avoid over current upon startup For the relatively large loads it is recommended to increase this parameter For the small loads this parameter value may be reduced When the torque boost is set to 0 the inverter will adopt auto torque boost DI1 terminal function selection DI2 terminal function selection Chapter 6 Parameter Description Factory 1 default value Forward rotation 4 Facto id Forward default value rotation Jog DI3 Factory terminal 12 default value MS function speed 1 selection DI4 Factory terminal 13 default value MS function speed 2 selection This parameter is used to set the functions of the multifunctional digital input terminals If the input selects PULSE all DI4 functions are disabled and the input can only corresponds to PULSE Description Even when there is signal input the inverter The no operation function still has no action can be set on the unused terminals so as to prevent error action Control the rotation forward and reverse rotation of the inverter Reverse via the rotation terminals external running control to Description This terminal is used to confirm that the inverter running mode IS three line control mode For detailed description please refer to F3 00 three line control mode function code FJOG forward rotation while RJOG reverse rotation refers to
38. cy MS Factory 0 0 speed 3 default value Hz F6 17 Negative maximum Setup frequency to range l maximum frequency When selecting MS speed as frequency source F0 02 5 it is required to set the value from F6 14 to F6 17 heatsink Factory temperat default value ure Displa Setup 0C gt heatsink range 150 C temperature Version No of current Software Factory version default No value software Chapter 7 EMC Electromagnetic Compatibility Group FF Factory Parameters Reserved Group FP User Password Setup range 0 65535 Any non zero number can be set and then the password protection function will be enabled 0000 Password protection function disabled Upon setup and validation of the user password when the user enters the parameter setting status again the user can view the parameters only and cannot modify the parameter if the password is incorrect Please remember the setup user password correctly If the password is set wrongly or forgotten please contact the manufacturer Parameter initialization Factory default value i o roseto Setup range Restore the factory default setup value Clear the fault record 1 The inverter will recover all parameters to the factory default ones 2 The inverter clears the recent fault records A Chapter 7 EMC Electromagnetic Compatibility Chapter 7 EMC Electromagnetic Compatibility 7 1 Definition Electromagnetic compatib
39. d special for the industry which offers solution platform according to the industrial demand Customers can use the existing solution or perform second development according to their own needs Refer to Fig 2 for the top sub module WEB Ethernet eM pied sng PIED IOS mM x O D o e 5 Q o fom paeo 9ey u II pueogAeYy GOT ani D mv i O lt Q 3 2 O D a MD320 Control Module High performance Motor Control Module D D O D O O ps S O o j Qa pueoghey G31 fdo9 Jsejaweled ped 0 Uo9 91607 pieg JOU BJOWSY SSAIM JONUOD UONOUNY 0197 gt 5 v Q Q ce Q v D o O 5 Q v a pied auoe Buipjoyy uonoalu MD300 Control Module Common PG Card PG Card with Frequency Division Fig 2 MD Series Inverter Modular Structure Diagram MD series inverter is particularly unique in respect of easy to use performance It has whole series of independent air duct and heatsink that can be installed inside or outside the cabinet which is able to provide solution basically meeting IP54 protection requirement and DC the standard input DC bus terminal that products to be compatible with the DC bus directly powered fan enable running mode perfect user password protection shortcut menu design that makes the complex commission easier standard RJ45 interface applied in the operation panel and the communication po
40. e 4 The inverter displays normal upon power on but the circuit breaker of power supply trips off during the running process 1 Check if there is short circuit among the output modules If there is please seek for service 2 Check if there is short circuit among the motor lead wires or they are grounded If there is please eliminate the fault 3 If the trip occurs sometimes and the motor is far away from the inverter adding output AC reactor shall be considered _89 Attachment Non standard Specification Attachment Non standard Specification Attachment A MD300 Frequency Switching Line Speed Displaying Non standard Function Specification The non standard products have two modifications based on general purpose MD300 1 Modification to the frequency source setup When set frequency source to analog value the frequency source can be switched between analog value and digital setting F0 04 through external terminal If it is necessary to switch between analog value and digital setting due attention shall be paid to the following two points 1 It is required to set frequency source F0 03 3 or 4 that is select frequency source as analog value 2 It is required to select one terminal function of DI1 DI4 in Group FO function code as frequency switching terminal The terminal function switched by frequency source is 16 For general purpose product 16 refers to reference switch between Al1 and Al2 such as select D
41. e jog The Jog process is started and stopped according to the start mode 0 F0 15 direct start and the stop 70 mode 0 F0 16 deceleration time to stop Jog Factory default value acceleration time Setup range 0 0s 3000 0s Jog Factory default time value Setup range 0 0s 3000 0s The Jog acceleration time means the time deceleration required for the inverter to accelerate from OHz to the maximum output frequency F6 00 The Jog deceleration time means the time required for the inverter to decelerate from the maximum output frequency F6 00 to OHZ Factory default value Reverse control F6 07 Setup o range Reverse disabled When this parameter is set to 0 it can perform Reverse rotation enabled rotation reverse rotation control on the inverter with the keyboard or terminal When the parameter is 1 The reverse rotation control function is disabled under keypad or terminal control Forward reve Factory default value rse rotation dead zone time Setup range 0 0s 3000 0s During the setting of forward reverse rotation of the inverter the transition time when Chapter 6 Parameter Description outputting zero frequency Output Frequency Forward Rotation RUNNING TIME i Dead Zone Time Reverse Rotation Fig 6 6 Schematic diagram for Forward Reverse Rotation Dead zone Time Start protection Factory default
42. ed to earth Replace the cable or motor l i Replace the drive board Fig 8 19 Earth short circuit fault ERR23 88 Chapter 8 Troubleshooting and Countermeasures 8 2 Common Fault and Resolutions During the inverter using process the following faults may occur Please conduct simple fault analysis by referring to the methods below 1 No display upon power on 1 Check whether the inverter input power supply is consistent with the inverter rated voltage with universal meter If there is any fault of power supply occurs please check the power supply and eliminate the fault 2 Check if the three phase rectifier is intact If the rectifier cracks please seek for service 2 The power supply circuit breaker trips off upon power on 1 Check if the input power supplies are grounded or there is short circuit solve the problem 2 Check if the rectifier is breakdown If it is damaged please seek for service 3 The motor does not rotate upon Inverter running 1 Check if there is balanced three phase output among U V and W If there is it is caused by motor circuit or motor damage or blacked due to mechanical reasons Please eliminate the fault 2 If there is output but the three phases are not balance it shall be caused by the damage of inverter drive board or output module please seek for service 3 If there is no output voltage it may be caused by the damage of drive board or output module please seek for servic
43. er 8 Troubleshooting and Countermeasures Constant Speed over Current Yes Perform troubleshooting and install Check if the output loop of the inverter is output reactor if the line is too long short circuited or has leakage current No If the motor parameters are identified gt N i Yes Identify the motor parameters Remove the additional load Lighten the load The inverter model is rather small Fig 8 4 Constant speed over current ERR04 Acceleration over Voltage BrrUDo O Yes If the input voltage is too high Adjust the voltage to normal range dun Yes Remove the external forces gt or install brake resistor If there are external forces Yes driving the motor to run during the acceleration process If the acceleration time is too short No If the brake unit and brake resistor are installed Ask for technical support Fig 8 5 Acceleration over voltage ERRO5 Prolong the acceleration time gt Install brake unit and brake resistor 81 Chapter 8 Troubleshooting and Countermeasures Deceleration over voltage Yes If the input voltage is too high todi Adjust the voltage to normal range No f there are external forces Yes driving the motor to run during the acceleration process La If the deceleration time is too short No If the brake resistor are installed Ask for technical support Fig 8 6 Deceleration over voltage CERRO6 Remove the
44. external forces or install brake resistor Y mae Prolong the acceleration time or install the brake resistor No install the brake resistor Constant over voltage Err07 Yes If the input voltage is too high s Adjust the voltage to normal range If there are external forces driving the Yes Remove the external forces motor to run during the running process e or install brake resistor No Ask for technical support d_ x Z Fig 8 7 Constant Speed over voltage ERRO7 82 Chapter 8 Troubleshooting and Countermeasures Control power supply If the input voltage is within the range as specified by the specifications No Adjust the voltage to the range as specified by the specifications Ask for technical support Fig 8 8 Control power supply fault ERR08 Under voltage fault Yes If there is transient power failure Reset the fault No Detect if the voltage at the input end of the inverter is within the range as specified by the specifications l No No E Check if the rectifier bridge and buffer resistor are normal bridge or buffer resistor I Yes No Check if the drive board is normal Yes No Fig 8 9 Under Voltage Fault ERR0O9 83 Inverter Overload If the motor protection parameter ae Set thi t F9 01 is set properly et this parameter properly Motor overload Yes R the load and check If the load is too heavy or motor
45. from the load select 2 complete tuning in F1 11 and press RUN key on the keyboard panel then the inverter will automatically calculate the following parameters F 1 06 stator resistance F 1 07 rotor resistance F 1 08 leakage inductive reactance F 1 09 mutual inductive reactance F 1 10 No load excitation current Finally complete the automatic tuning of motor parameters If the motor cannot be completely disconnected with the load select 1 for F1 11 static tuning and then press RUN key on the keyboard panel The inverter measures rotor resistance rotor resistance and leakage inductive reactance in sequence but does not measure the mutual inductive reactance and no load current of the motor which can be calculated by the user based on the motor nameplate The motor nameplate parameters used in the calculation include rated voltage U rated current rated frequency f and power factor n The calculation methods of the no load current and mutual inductive reactance of the 5 motor are described below Lo refers to leakage inductive reactance of the motor i n Neload Current 106 l 1 Mutual fndiectencoem a is a Lo ied ail 2 3 nf lo Calculation Where lo refers to no load current Im refers to mutual inductance while lo refers to leakage inductance Chapter 5 Function Parameter Table Chapter 5 Function Parameter Table If FP 00 is set to non zero value it means par
46. hase 380V x Input Power Multifunctional Digital Input Terminal 1 Multifunctional Digital Input Terminal 2 Multifunctional Digital Input Terminal 3 z Multifunctional Digital Input Terminal 4 Frequenc I Socci 0 10V requenc 7 Source O 10V Frequenc A Parc Y 10v O GND When current reference of 4 to 20mA is selected Brake Resistor Earth Connection External Keyboard Interface e 24V DII DI DI3 DI4 COM Multifunctional Expansion Card AO J4 opd g IV Analog Output 0 10V 0 20mA ND Digital Output Terminal O T A 5 pf Fig 3 6 37kW 45kW 55kW Inverter Wiring Ai Chapter 3 Mechanical and Electrical Installation Brake Resistor L MDBU55 reactor JO Single phase 380V OS a gt Input Power a O _p ve DO Earth Conne ction External Keyboard Interface e 24V Multifunctional Digital Input Terminal 1 I Multifunctional Digital Dil Input Terminal O Multifunctiona I Digital DI2 Input Terminal 3 Multifunctional Digital DI3 Input Terminal 4 DI4 Multifunctional Expansion Card COM AO analog Output O 10V 0 20mA J4 ORD ONDO TV Frequen c Source 0 10V requen cy 10V Source laws Frequen c i seuice 0 10V a Digital Output Terminal goeroe s se se se s se se ms na Fig 3 7 75kW 90kW Inverter Wiring TN Chapter 3 Mechanical and Electrical Installat
47. he inverter module is broken z Replace the inverter module Fig 8 13 Module over heat ERR14 _85 Chapter 8 Troubleshooting and Countermeasures External equipment fault Yes _ Reset to run Yes tt Check and remove the external fault Yes _ Fig 8 14 External Equipment Fault ERR15 Current detection fault Ask for technical support Replace the hall device No Replace the drive gt board Detect if the drive board is normal Fig 8 15 Current detection fault ERR18 _86 Chapter 8 Troubleshooting and Countermeasures Motor tuning fault If the motor parameters are set as per the motor nameplate No _ s Set the motor parameters correctly No Check the cable connecting N Yes If the parameter identification process is delayed the inverter to the motor Fig 8 16 Motor Tuning Fault ERR19 Data Overflow Ask for technical support i If it is normal after replacing the e Main control board fault main control board Fig 8 17 EEPROM saving abnormal Err21 Inverter hardware fault prese nere rire n oe Remove over If itis over voltage l voltage fault No Yes ae Remove over it is over curren gt current fault Fig 8 18 Inverter Hardware Fault ERR22 87 Chapter 8 Troubleshooting and Countermeasures Fault of Short Circuit to Earth I Yes i Detect if the motor is short circuit
48. hock 1 1 2 During the installation 1 Mount the inverter on incombustible surface like metal and keep away from flammable substances Otherwise it may cause fire Safety and Precautions 2 When more than two inverters are to be installed in one cabinet due attention shall be paid to the installation locations refer to Chapter 3 Mechanical and Electrical Installation to ensure the heat dissipation 3 Do not drop lead wire stub or screw in the inverter Otherwise it may damage the inverter 1 1 3 During wiring 1 Operation shall be performed by the professional engineering technician Otherwise there will be danger of electric shock 2 There shall be circuit breaker between the inverter and power supply Otherwise there may be fire 3 Make sure the power is disconnected prior to the connection Otherwise there will be danger of electric shock 4 The earth terminal shall be earthed reliably Otherwise there may be danger of electric shock Chapter 1 5 Do not connect the input power cable to the output ends U V and W Otherwise it may damage the inverter 6 Ensure that the wiring conforms to EMC standard requirement and local safety The diameter of the wire shall be determined according to the manual Otherwise accident may be caused 7 The brake resistor cannot be directly connected between terminals and of DC bus Otherwise it may cause fire
49. ic constant toque characteristics performance are low Extruding machine agitator belt conveyer transporting trolley in the factory and translational unit of crane are the examples It can select MS V F running mode when performing prototyping test There are certain static and dynamic index requirements for controlled object Sl Generally such load requires strong mechanical characteristics at the low speed so as to meet the dynamic and static index requirements of the control system by manufacturing process The open loop vector control mode can be selected 2 10 Guide to Prototyping of Brake Components Table 2 5 MD300 Bake Components Prototyping Table The data can Inverter be used as guidance The user can select different resistances and powers in accordance with the actual situation However the recommended value in the table and the resistance must be larger than the power can be very big The selection of braking resistor shall be determined according to the power of the motor in the actual application system which is also influenced by system inertia deceleration time potential energy of load The larger the system inertia is the shorter the deceleration time will be and the braking will be more frequent Therefore it is required to select the braking resistor with larger power and smaller resistance Chapter 2 Product Information Table 2 5 MD300 Inverter Bake Components Prototy
50. ices in the inverter which may cause potential fault of the inverter or reduce the service life of the inverter Therefore it is necessary to carry out routine and periodical maintenance on the inverter The maintenance cannot be performed immediately because there still is high voltage on the filter capacitor after disconnecting the power The repair or maintenance can be conducted only after the charge LED indictor is OFF and the bus voltage measured with multimeter is less than 36V Routine inspection Items include 1 Whether there is any abnormal change in the running sound of the motor 2 Whether the motor has vibration during the running 3 Whether there is any change to the installation environment of the inverter 4 Whether the inverter heatsink fan works normally 5 Whether temperature the inverter has over Routine cleaning The inverter shall be kept clean all the time 19 The dust on the surface of the inverter shall be effectively removed so as to prevent the dust entering the inverter Especially the metal dust is not allowed The oil stain on the inverter heatsink fan shall be effectively removed 2 7 2 Periodic Inspection Please perform periodic inspection on the places where the inspection is a difficult thing Periodic inspection Items include Check and clean the air duct periodically Check if the screws are loosened Check if the inverter is corroded Check if the wi
51. ility is the ability of the electric equipment to run in the electromagnetic interference environment and implement its function stably without interferences the on electromagnetic environment 7 2 EMC Standard Description In accordance with the requirements of the national standard GB T12668 3 the inverter needs to comply with electromagnetic interference and anti electromagnetic interference requirements The existing products of our company apply to the latest international standard IEC EN61800 3 2004 Adjustable speed electrical power drive systems part 3 EMC requirements and specific test methods which is equivalent to the national standard GB T12668 3 IEC EN61800 3 assesses the inverter in terms of electromagnetic interference and anti electronic interference Electromagnetic interference mainly tests the radiation interference conduction interference and harmonics interference on the inverter required for the inverter for civil use Anti electromagnetic interference mainly tests the conduction interference rejection radiation interference rejection surge interference rejection fast and mutable pulse _74 group interference rejection ESD interference rejection and power low frequency end interference rejection specific test items including 1 Interference rejection tests of input voltage sag interrupt and change 2 Phase conversion notch interference rejection test 3 Harmonic input interferen
52. imum input When the analog input is current input IMA current equals to 0 5V voltage In difference applications 100 of analog input corresponds to different nominal values Refer to all the application parts for details Several setting examples are shown in the following figures orresponding Settings Frequency Torque etc Corresponding Settings Frequency Torque etc al RT IT r iT i FI pa F14 04 FE N Si i ty F Fig 6 5 Gonesosneiis Relationship between Analog Reference and Setting Value Al1 and Al2 have the same corresponding relationship MD300 inverter standard unit provides two analog input ports PULSE pulse Factory default value input 50 00kHz maximum frequency Setup 0 00kHz 50 00kHz range _65 Factory default value Setup range 0 01s to 10 00s This group of function code defines the input filter time corresponding relationship when the pulse is used as frequency setup mode The pulse frequency input can only be input via DI4 channel AOzero offset Factory default value 100 0 100 0 coefficient Sep range Factory 1 00 gain default value Setup range 10 00 10 00 If b represents zero offset k represents gain Y represents actual output and X represents standard output the actual output is Y kX b AO zero offset coefficients 100 corresponds to 10V 20mA Standard output refers to 0 to maximum analog ou
53. input side MD series a l Improve the whole efficiency and thermal stability inverter adopts l of the inverter DC reactor DC reactor of more than 7 5kW as standard 3 Eliminate the impact of higher harmonics on the input side of the inverter and reduce the external conduction and radiation interference The inverter output side generally has higher harmonics When the motor is far from the inverter since there are many distributed capacitors in the circuit certain harmonics may cause resonance in the circuit and Between the i l l bring about the following two impacts inverter output l l AC output l 1 Degrade the motor insulation performance and side and the reactor damage the motor for the long run motor close to 2 Generate large leakage current and cause the inverter l frequent inverter protection In general the distance between the inverter and the motor exceeds 100 meters Installation of output AC reactor is recommended 28 Chapter 3 Mechanical and Electrical Installation 3 Connections Brake Resistor QF P PB L x O Single phase Input Power N gt Li Earth Connection External Keyboard Interface e Multifunctional Digital Input Terminal 1 Multifunctional Digital DII Input Terminal 2 Multifunctional Digital 2 D12 Multifunctional Digital Input Terminal 3 O i Multifunctional Digital DI3 Input Terminal 4 DIA Multifunctional Expansio
54. ion 4 Main Circuit Terminals and Connections 1 The wiring operation is enabled only after confirming that the power switch is OFF Otherwise electric shock may be caused 2 The wiring operation can only be performed by professional technicians Otherwise it may cause harm to equipment and human Reliable grounding is required Otherwise it may cause electric shock or fire 1 Confirm that the input power is consistent with the rating of inverter Otherwise the inverter may be damaged 2 Confirm whether the motor adapts to the inverter Otherwise the motor may be damaged or inverter protection may arise 3 Don t connect power supply to U V and W terminal Otherwise the inverter may be damaged 4 Do not directly connect the brake resistor between the DC bus terminals and Otherwise it may cause fire 1 Instructions of main circuit terminals of single phase inverter emits tame oeo Input terminal of AC single phase 220V power L1 and L2 l l l single phase power supply connection point Negative and positive l Shared DC Bus input point terminals of DC bus Connecting terminal of brake l and PB l Connect the brake resistor resistor U V and W Output terminal of inverter Connect the three phase motor Cl Earth terminal Earth terminal 2 Description of main circuit terminals of three phase inverter Input terminal of three phase AC three phase 380V power R S and T power supply con
55. ion and cannot run normally can this gain be properly increased The bigger the gain is the better oscillation suppression result will be The method of selecting this gain is to select the smallest one on the premise that there is effective oscillation suppression measure so as to ease the negative effect on the VF operation Group F3 Terminal input output Terminal Factory default mode value Setup LI Two line type range Three line type This parameter defines two different modes of command controlling the operation of the inverter via the external terminals 0 forward reverse The rotation of the motor Two line operation mode IS decided by the commands of FWD and REV terminals Running Command 0 0 Stop Forward Rotation MD300 Reverse Rotation Fig 6 3 Three line Running Mode Chapter 6 Parameter Description 2 Three line running mode In this mode Din change rate when setting the frequency is enabled terminal and the direction is Factory controlled by FWD and REV respectively default However the pulse is enabled through value disconnecting the signal of Din terminal when Setup range 0 00 10 00V AI the inverter stops ecw IL MDs00 minimum Factory input default 0 0 correspon value ding setup Fig 6 4 Three line Running Mode align Factory Where input default 5 00V SBI Stop button SB2 FWD button valle SB3 REV button Din is the multifunctional input termi
56. is required due attention shall be paid to the danger of injury arising from the rotating motor Otherwise accident may occur 6 Do not change the factory settings at Otherwise will it may damage the equipment Chapter 1 1 1 6 During the operation 1 Do not approach the mechanical equipment when selecting the restart function Otherwise it may cause injury 2 Do not touch the heatsink fan or the Otherwise you may get discharge resistor to sense temperature burnt 3 Detection of signals during the operation shall only be conducted by qualified technician Otherwise personal injury or equipment damage may be caused 4 During the operation of the inverter the Otherwise it may damage keep items from falling into equipment the equipment 5 Do not start and shut down the inverter by connecting and disconnecting the contactor Otherwise it may damage the equipment 1 1 7 Maintenance 1 Do not repair and maintain the equipment with power connection Otherwise there will be danger of electric shock 2 Conduct repair and maintenance after ensuring that the charge LED qe Safety and Precautions the OFF Otherwise the residual charge on the indictor of inverter is capacitor may cause personal injury 3 The repair and maintenance for inverter can only be performed by professional technicians Otherwise it may cause personal injury or equipment damage
57. n Card e COM A0 Analog Output 0 10V 0 20mA GND Frequenc i Source 0109 Frequency yn i Soupe 4 0 10 n Frequency amp ___ 4 Source O 10V D0 Digital Output Terminal When current reference of 4 to 20mA is selected o PE Fig 3 4 Single phase 220V Inverter Wiring Note The figure is applicable to MD300S0 4 MD300S0 7 MD300S1 5 MD300S2 2 29 Chapter 3 Mechanical and Electrical Installation QF x Single phase 380V Input Power I X Multifunctional Digital Input Terminal 1 wal Multifunctional Digital Input Terminal 2 pres Multifunctional Digital Input Terminal 3 Multifunctional Digital Input Terminal 4 Frequency Source O 10V Source gus ee When current reference of 4 to 20mA is selected I Frequen YO 10V I Frequen cy e O 10V i f GND e gt Brake Resistor L Q P PB 2 ae T ve DO Earth Connection C E 000 000 000 External Keybojard Interface e DAV Dil N12 DI3 Multifunctional Expansion Card DIA MD300 COM JA AO Analog Output 0 10V 0 20mA oO cw IV 10 AIl 3 AI2 J O Ue DO Digital Output Terminal COM T A 6 PE T B La T C Fig 3 5 Three phase 380V Inverter Wiring Note This figure is applicable to the MD300T0 7 to MD300T30 series inverters 30 Chapter 3 Mechanical and Electrical Installation x Single p
58. n keyboard command and Chapter 6 Parameter Description remote operation It refers to switching of command source switching from the current command source to the keyboard control local operation If the current command source is keyboard control this command is disabled 2 Switching between forward rotation and reverse rotation It can switch the direction of the frequency command via the MF K key on the keyboard It is enabled only in the operation panel command channel 3 Forward rotation Jog It can realize forward rotation Jog FJOG via the MF K key on the keyboard Factory default value STOP key disabled STOP RESET key function in the terminal control mode STOP key enabled in the terminal control mode The RESET function is enabled in all statuses Earth short circuit Factory default value protection detection upon power on 0 Disabled 1 Enabled It can select whether the inverter checks the motor for earth short circuit failure upon power on If this function is enabled the inverter has short time output at the instance of power on MS Factory 0 0 speed 0 default value Hz Negative maximum Setup frequency to range l maximum frequency MS Factory 0 0 speed 1 default value Hz Negative maximum Setup frequency to range l maximum frequency MS Factory 0 0 speed 2 default value Hz Negative maximum Setup frequency to range maximum frequen
59. nal of DI1 AI e 1 Factory DI to DI4 In this case the function of the input default 50 0 corresponding terminal shall be defined as correspon vali three line running control ding setup Prompt For two line operation mode when FWD REV terminals are enabled and the Almidgica Factory inverter stops due to the command from other input default 8 00V sources the inverter will not operates after the value canceling of the stop command even though Setup range 0 00V 10 00V the control terminals FWD REV are still AI middle 2 ve actory enabled Retrigger FWD REV will make the input default 80 0 inverter run Such as the valid STOP key in correspon value the operation command channel See F6 12 ding setup However if the inverter stops when fault alarm Setup range 100 0 100 0 occurs the running of the inverter is controlled Al Factory by function code F6 09 maximum default input value Setup range 0 00V 10 00V Terminal Factory UP DOWN default Speed value Setup 0 01Hz s 100 00Hz s range Terminals UP DOWN is used to adjust the _64 Chapter 6 Parameter Description Al maximum Factory input default 100 0 correspon value ding setup The above function codes define the relationship between the analog input voltage and analog input setup value When the analog input voltage exceeds the setup maximum input or minimum input range the excess part will be calculated as maximum input or min
60. nding setup 5 AI2 corresponding setup 0 Direct start F0 15 Start mode 1 Rotation speed tracking restart 0 Deceleration to stop F0 16 Stop mode 1 Coast to stop Group F1 Motor Parameters X Q 0 Common asynchronous motor ui Motor type 1 Variable frequency selection asynchronous motor Permanent magnetic X synchronous motor reserved model F1 01 Rated power 0 1KW 1000 0kW 0 1 dependent F1 02 Rated voltage 0V 440V l 380V model F1 03 Rated current 0 00A 655 35A 0 01 dependent x F1 04 Rated frequency 0 00Hz maximum frequency l 50 00Hz Rated Rotation F1 05 Orom 30 000rpm 1 1460rpm speed model F1 06 Stator resistance 0 001Q 65 5350 0 0010 dependent model F1 07 Rotor resistance 0 001Q 65 5350 0 001Q dependent Leakage inductive model F1 08 0 01mH 655 35mH 0 01 mH reactance _44 dependent Chapter 5 Function Parameter Table Factory Code Setup range default value Mutual inductive model F1 09 0 01mH 655 35mH 0 1 mH reactance dependent model F1 10 No load current 0 0A 650 00A 0 01A dependent 0 no operation F1 11 Tuning selection 1 static tuning l 2 Complete tuning Group F2 Vector and VF Control Parameters Vector control F2 00 speed loop 1 100 l proportion gain 1 Vector control F2 01 speed loop 0 01s 10 00s 0 01s integration time 1 Vector control PI F2 02 parameter switch 0 00 F2 05 0 01Hz frequency 1 Vector control F2 03 speed loop 1 100 l p
61. nection point Negative and positive Shared DC Bus input point 33 Chapter 3 Mechanical and Electrical Installation o rerminats meme pescripion terminals of DC pus Connecting terminal of brake and PB l resistor U V and W Output terminal of inverter Connect the three phase motor 3 ab Earth terminal Earth terminal 3 Notes on Wiring A Input power L1 L2 or R Sand T The cable connection at the input side of the inverter has no phase sequence requirement B DC bus terminal Note that the and terminals of DC bus have residual voltage right after power on It needs to make sure that the voltage is less than 42V prior to wiring connection Otherwise there may be danger of electric shock Do not connect the brake resistor directly to the DC bus or it may damage the inverter and even cause fire Connecting terminals and PB of brake resistor The connecting terminals of the brake resistor are effective only for the inverter of less than 30kW with built in brake unit The prototype of brake resistor can refer to the recommended value and the wiring length shall be less than 5 meters Otherwise it may damage the inverter Terminals U V W at the output side of the inverter The inverter output side cannot connect to the capacitor or surge absorber Otherwise it may cause frequent inverter protection and even damage the inverter In case the motor cable is too long it may ge
62. nerate electrical resonance easily due to the impact of distributed capacitance thus damaging the motor insulation or generating higher leakage current to invoke over current protection of the inverter If it is over 100m AC output reactor is required E Earthing terminal This terminal shall be earthed reliably with resistance of earthing cable of less than 5Q Otherwise it may cause fault or damage the inverter Do not share the earth terminal and zero line of the power supply 5 Control terminals and connection 1 The control circuit terminals are arranged as follows tov AI1 Al2 ann AO DI1 DI2 DI3 DI4 com DO 24V Fig 3 8 Layout of Control Circuit Terminals SA Chapter 3 Mechanical and Electrical Installation 2 Description of Control Terminal Function Terminal Terminal ny Type Function description Symbol name Provide 10V power supply for external units External 10V and the maximum output current is 10mA 10V GND l l power supply It is generally used as the operating power of external potentiometer Provide 24V power supply for external units It is generally used as the operating power supply External 24V So l 24V COM for digital input output terminal and the external power supply sensor The maximum output current is 200mA AI1 GND Analog input 1 Input Voltage range DC OV to 10V terminal 1 2 a resistance 100kQ Analog input Input range DC OV to 10V 4mA to 20mA
63. nge of 9V to 30V and pulse frequency range of 0 kHz to 50 kHz Note Pulse reference can only be input from the multifunctional input terminal DI4 3 Alt 4 Al2 It means that the frequency is determined by the analog input terminal MD300 series inverter standard unit provides two analog input terminals where Al1 is OV 10V voltage input but Al2 can be OV 10V voltage input or _54 0 20mA current input depending on J3 jump on the control board 5 MS speed Select MS speed running mode It is necessary to set the parameters of DI input terminal and F6 14 to F6 17 to confirm the corresponding relationship of reference signal and reference frequency Auxiliary tx actory default value Frequency source selection 0 ome Enabled auxiliary Setup frequency source range 1 AI2 it is enabled only when set F0 02 to 0 1 and 2 Auxiliary frequency source Al2 only has one channel Al2 It is enabled only when set F0 02 to 0 1 and 2 Digital Factory default value preset frequency 0 00 to upper limit frequency It is valid when the frequency source is digital set When the main frequency source is selected as Digital setup this function code is the initial value of frequency digital setup of the inverter Chapter 6 Parameter Description Acceler Factory ation default time value Deceler Factory ation default time value Setup 0 0 3000 0s range t 1
64. o employ twisted pair shielded the shielding layer shall be earthed reliably control cables and 4 When the length of motor cable is longer than 100 meters it needs to install output filter or reactor 7 3 3Handling method for the interferences of the surrounding magnetic equipment on the inverter The electromagnetic interference on the inverter is generated because plenty of and electromagnetic relays contactors brakes are installed near the inverter When the inverter has error action due to the interferences the following measures can be taken 1 Install surge suppressor on the devices generating interference 2 Install filter at the input end of the inverter Refer to Section 7 3 6 for the specific operations 3 The lead cables of the control signal cable of the inverter and the 75 detection line employ shielded cable and the shielding layer shall be earthed reliably the the 7 3 4 for interferences Handling method of inverter on surrounding magnetic equipment These interferences include two types one is radiation interference of the inverter and the other is conduction interference of the types interferences cause the surrounding electric inverter These two of equipment to suffer electromagnetic or electrostatic induction The surrounding equipment hereby produces error action For different interferences it can be handled by referring to the following methods 1 For
65. oTt 63 4 MD3o0T15 6 4 MD3ooT18 5 100 63 MD3ooT22 100 63 pMpsooTso 125 10 MD3ooT37 160 100 MD3ooT45 200 125 MD3o0T55 200 125 MD3oor75 250 160 MD300T90 _ 160 2 Use instruction of peripheral electrical components Table 3 2 Instruction for the Use of Peripheral Electrical Components of MD300 Inverter SE Chapter 3 Mechanical and Electrical Installation Mounting men Part Name l Function description Location Circuit Front end of Disconnect the power supply when the equipment at the breaker input circuit lower level is over current Between the Connection and disconnection of inverter Frequent circuit breaker power on and power off operations Not more than twice Contactor l l l l and the inverter each minute on the inverter or directly startup shall be input side avoided 1 Improve the power factor of the input side Eliminate the higher harmonics of the input side AC input Input side of the effectively and prevent other equipment from reactor inverter damaging due to distortion of voltage wave Eliminate the input current unbalance due to unbalance between the power phases Reduce the external conduction and radiation interference of the inverter EMC Input Input side of the l l Decrease the conduction interference flowing from filter inverter the power end to the inverter and improve the anti interference capacity of the inverter l 1 Improve the power factor of the
66. of Output i inverter rated current current PULSE 0 1kHz 50 0kHz input 1 OV 10V 0mA 5 Al2 20mA Start default mode value 0 Dist Setup range Rotation speed 0 Direct start Start up with the start frequency Factory tracking restart Chapter 6 Parameter Description 1 Rotation speed tracking restart The inverter judges the rotation speed and direction of the motor firstly and then starts at the frequency of the tracked rotation speed of the motor The rotating motor will be started smoothly without surge The trace frequency is taken as frequency before stopping by default It is applicable to the restart upon transient power failure of large loads To ensure the performance of Rotation speed tracking restart it needs to set the motor parameters accurately Group F1 Stop Factory mode default value Setup oi Deceleration to stop range Coast to stop 0 Deceleration to stop After the stop command is enabled the inverter reduces the output frequency in accordance with the deceleration mode and the defined acceleration deceleration time and will stop after the frequency reduces to zero 1 Coast to stop After the stop command is enabled the inverter will terminate the output immediately The load will coast to stop according to the mechanical inertia Group F1 Motor Parameters Motor type selection Factory default value common asynchronous motor _59
67. ol ParamelefS iania ada iaia 61 Group F3 Terminal input output 63 Group F4 Start Stop Control Parameters66 Group F5 Fault and Protection 67 Group F6 Auxiliary Function 69 Group FF Factory Parameters Reserved AIR AO SEAN METER RE 73 Group FP User Password 73 Chapter 7 EMC Electromagnetic Compatibility seccccsseneseeeees 74 El Delinition soii enza 74 7 2 EMC Standard Description 74 7 3 EMC Introduction 74 Chapter 8 Troubleshooting and Countermeasures 78 8 1 Fault Alarm and Countermeasures 78 8 2 Common Fault and Resolutions 89 Attachment Non standard SpeciiicatloNiii ul 90 Attachment A MD300 Frequency Switching Line Speed Displaying Non standard Function Specification 90 Attachment B MD300 with FDT Function Non standard Specification 91 Foreword Foreword MD generation series inverter is a new of high performance by Shenzhen Inovance Technology Co Ltd the development direction of the inverter modular inverter launched which represents future Unlike traditional inverters MD series inverter creates a customized platform through modular design and flexible combination of multiple modules of series inverter based single on different customer requirements for functions and performances MD se
68. on is a better choice Fig 3 1 MD300 Inverter Installation Diagramln applications where the inverter need to be installed up and down please refer to Fig 3 1 MD300 Inverter Installation Diagram for installing heat insulation splitter 24 Chapter 3 Mechanical and Electrical Installation 2 The mounting space shall be as indicated as Fig 3 1 so as to ensure the heat dissipation space of the inverter However the heat dissipation of other devices in the cabinet shall also be taken into account 3 The installation bracket must be flame retardant 4 In the applications where there are metal dusts it is recommended to mount the heatsink outside the cabinet In this case the space in the sealed cabinet shall be large enough 3 Removal and mount of lower cover plate For MD series inverter below 15kW use plastic enclosure Refer to Fig 3 2 Removing the Lower Cover Plate of Plastic Enclosure for the removal of the lower cover plate It can be removed by push the hook of the lower cover plate out towards inside with tools Lower Hooker Cover Plate Align with the Internal Side and Press with Forces Hook Slot Fig 3 2 Removing the Lower Cover Plate of Plastic Enclosure For MD series inverter above 18 5kW use sheet metal enclosure Refer to Fig 3 2 Removing the Lower Cover Plate of Sheet Metal Enclosure for the removal of the lower cover plate Directly loosen the screws on the lower cover plate with tools When rem
69. orm running command control by the multifunctional input terminals such as FWD REV JOGF JOGR etc Main frequency Factory default selection value source X Digital setup UP and DOWN without memory Digital setup UP and DOWN with memory 2 Pulse setup effective DI4 input Gar ae Select the input channel for main reference Chapter 6 Parameter Description frequency of the inverter There are six types of main reference frequency channels 0 Digital setup without memory The initial value is the value of F0 04 Digital Setup Preset Frequency It can change the setup frequency value of the inverter through the keys A and W of UP and DOWN of multifunctional input terminals the keyboard or Without memory means that the setup frequency value is recovered to the value of F0 04 Digital Setup Preset Frequency in case of inverter power failure 1 Digital setup with memory The initial value is the value of F0 04 Digital Setup Preset Frequency It can change the setup frequency value of the inverter through the keys A and W of UP and DOWN of multifunctional input terminals the keyboard or With memory means that the setup frequency upon restart of inverter due to power failure remains the same 2 Pulse reference DI4 The frequency reference is given by the terminal pulse Pulse reference signal specification pulse voltage ra
70. other is leakage current between the cables 1 Factors influencing the leakage current to the earth and the solutions There are distributed capacitance between the lead cables and the earth The larger the distributed capacitance is the larger the leakage current will be The distributed capacitance can be reduced by effectively reducing the distance between the inverter and the The higher frequency is the larger the leakage motor the carrier current will be The leakage current can be reduced by reducing the carrier frequency However reducing the carrier frequency may result in addition of motor noise Note that additional installation of reactor is aa also an effective method to remove the leakage current The leakage current may increase following the addition of circuit current Therefore when the motor power is high current will be high too the corresponding leakage 2 Factors of producing leakage current between the cables and solutions distributed between the output cables of the There is Capacitance inverter If the current passing the lines has higher harmonic it may Cause resonance and thus result in leakage current If thermal relay is used it may generate error action The solution is to reduce the carrier frequency or install output reactor It is recommended that thermal relay not be installed before the motor when using the inverter and that electronic over curren
71. our company 2 The cooling fan and the rotor shaft of the coaxial connection When the rotating speed non variable frequency motor adopt is reduced the cooling effect will be reduced Therefore a powerful exhaust fan shall be installed or the motor shall be replaced with variable frequency motor to avoid the over 9 Safety and Precautions heat of the motor 3 Since the inverter has built in standard parameters of the adaptable motors it is necessary to perform motor parameter identification or modify the default values so as to comply with the actual values as much as possible or it may affect the running effect and protection performance The short circuit of the cable or motor may cause alarm or explosion of the inverter Therefore please conduct insulation and short circuit test on the newly installed motor and cable Such test shall also be conducted during routine maintenance Please note that the inverter and the test part shall be completely disconnected during the test Chapter 2 Product Information Chapter 2 Product Information 2 1 Designation Rules MD300 T 0 7 K B Mark Brake Unit Inverter Series Voltage Level Null None B Including Brake Unit Single Phase 220V Model embedded in the Three Phase 380V operation panel Compatible i connected to the Motor Power operation panel T Mark 0 4 0 7 1 5 2 2 3 7 5 5
72. oving the lower cover plate be sure to avoid the falling of the plate which may cause human injury or damage to the equipment 25 Chapter 3 Mechanical and Electrical Installation Lower Cover Plate Fig 3 3 Removing the Lower Cover Plate of Sheet Metal Enclosure 26 Chapter 3 Mechanical and Electrical Installation 3 2 Electrical Installation 1 Prototyping guidance to the peripheral electrical components Table 3 1 Guide to Prototyping of Peripheral Electrical Components of MD300 Inverter Recommen Recommen Recomme ded eae ded 1 nded Circuit Recom Conducting l Conducting l Conducti Grounding Inverter breaker mended Wire of i Wire of _ ng Wireof cables model MCCB Contact _ Main Circuit Main Circuit Control CA at the A at the Input Circuit l Output Side Side mm MD300S0 4 MD300S0 7 MD30051 5 MD30052 2 MD300T0 7 MD300T1 5 MD300T2 2 MD300T3 7 MD300T5 5 MD300T7 5 MD300T 11 MD300T15 MD3001T 18 5 MD300T22 MD300T 30 MD300T37 MD300T45 MD300T55 200 MD300T75 250 MD300T90 250 16 16 2 32 10 16 16 25 32 40 63 63 100 10 125 160 200 oO oO oO oO an oO N oO oO wo wo NO N MEC KR A Q a a NIN OI O1 MD3ooso4 16 10 MD3o0s0o 7 16 10 MD3oos15 20 16 MD300s22 32 2 Mpsooto7 10 f 10 pmosooT15 16 10 Mo3oor22 16 10 pMpsooTs7 25 16 pmpsooTs 5 32 23 pmpsoo7 5 40 32 pmpso
73. ping Table Recommended Recommended Inverter l Braking Power of Brake Resistance Value l model i i unit Resistor of Brake Resistor MD300S0 4 gt 2000 MD300S0 7 gt 1500 The letter B is MD300S1 5 100W gt 1000 Built in attached MD300S2 2 100W optional behind the MD300T0 7 150W gt 3000 Inverter model MD300T1 5 150W gt 2200 MD30072 2 250W gt 2000 MD300T3 7 300W gt 1300 Built in as No special standard specification MD300T18 5 1300W The letter B is MD300T22 1500W si attached Built in l behind the optional MD300T30 2500W 2160 Inverter model MD300T37 The power is MD300T45 selected in MD300T55 accordance with MD300T75 the requirements and The power is selected in It can select accordance with External brake units the requirements equipped produced by and recommended MDBU55 other recommended l MD300T90 values of the brake companies values of the l unit brake unit DI Chapter 3 Mechanical and Electrical Installation Chapter 3 Mechanical and Electrical Installation 3 1 Mechanical installation 1 Installation environment 1 Ambient temperature The ambient temperature exerts great influences on the service life of the inverter and is not allowed to exceed the allowable temperature range 10 C to 50 C 2 The inverter shall be mounted on the surface of incombustible articles with sufficient spaces nearby for heat dissipation The inverter is easy to generate large amount of heat d
74. ram for adding filter to analog input terminal Cross in the Same Direction or Wind 2 to 3 Coils in the Same Direction External Analog Source Fig 3 10 Wiring diagram for adding filter to analog input terminal B Digital input terminal The ON OFF statuses of these terminals are judged by the received digital signal of inverter Hence the external contact shall be the connection point with high reliability for 36 conducting weak signal If the ON OFF signals to the digital input terminal of inverter are provided by open collector output it is necessary to take the error acts caused by power interference into consideration It is recommended to use the contact control mode C Digital output terminal When the digital output terminal needs the drive relay absorption diode shall be installed at the two sides of the relay coil Otherwise it may damage DC 24 power supply easily Note The absorption diode shall be installed with correct polarity as shown in Fig 3 11 Otherwise when there the digital output as shown the following figure terminal has output the DC 24V power supply and output circuit will be damaged immediately MD300 Fig 3 11 Schematic diagram for connection of digital output terminal Chapter 4 Operation and Display Chapter 4 Operation and Display 4 1 Introduction to Operation and Display Interface Change to the functional parameters operating status monitoring and
75. re connector has arc signs Main circuit insulation test Remainder When using the megameter DC 500V megameter recommended to measure the insulating resistance the main circuit shall be disconnected with the inverter Do not use the insulation resistance meter to test the It is not necessary to conduct the high voltage insulation performance of the control loop test which has been completed upon delivery 2 3 Replacement of Vulnerable Parts for Inverter The vulnerable parts of the inverter include cooling fan and filter electrolytic capacitor whose service life depends on the operating environment and maintenance status General service life is shown as follows fan Service Life electrolytic capacitor 4 to 5 years 2 to 3 years The user can determine the year of Chapter 2 Product Information replacement according to the operating time 1 Cooling fan Possible reason for damage Bearing is worn and blade deteriorates Judging criteria Whether there is crack on the blade and whether there is abnormal vibration noise upon startup 2 Filter electrolytic capacitor Possible reason for damage Input power supply high temperature jumping in poor quality ambient frequent load and electrolyte aging Judging criteria Whether there is liquid leakage and whether the safe valve has projected and measure the static capacitance and the insulating resistance 2 7 4 Storage of Inverter Upon a
76. requency the inverter will keep running at the lower limit frequency until the stop of the inverter or the reference frequency over lower limit frequency Carrier Factory default ncy value Setup range 0 5kHz to 16 0kHz This function is used to adjust the carrier Model freque dependent frequency of the inverter By adjusting the carrier frequency the motor noise can be Chapter 6 Parameter Description the of the mechanical system can be avoided so that reduced and resonance the leakage current to the earth and the interference of the inverter can be reduced When the carrier frequency is low the output current higher harmonic component will increase the motor loss will increase and the motor temperature rise will also increase When the carrier frequency is high the motor loss is reduced and the motor temperature is but the temperature rise will increase and so will the decreased inverter loss and interference The adjustment of carrier frequency will have influences on the following performances Carrier frequency Low to high Output current poor to good waveform Motor l high to low temperature rise inverter l Low to high temperature rise leakage current low to high External radiation l low to high interference Factory default frequency value Setup 0 00Hz maximum range frequency It is the reference frequency of the inverter Jog running when defining th
77. ries inverter creates three new concepts in the future inverter sector 1 It firstly creates the three tier structure standard for modular new generation of inverter as shown in Fig 1 2 It firstly makes the physical standard for distinguishing the main modules such as motor drive general function and special function from the sub modules as shown in Fig 2 3 It leads the new industry trend of popularizing the vector control technology Such concepts will bring about profound influences on the inverter industry The modular structure is described as follows MD Series Inverter eee Specialized Top Industrial Module Ae ra I I I I Traditional I General Purpose Inverter l I l I l I I Middle layer _ Module Module l I l l High Performance Bottom layer Motor Control Module Module k m n iii ee Fig 1 Comparison between Traditional Inverter and MD Series Modular Inverter 1 The bottom layer module of the MD series inverter is high performance motor control module and consists of V F non speed sensor vector control SVC and vector control It is mainly high control and overall protection of the responsible for performance motor controlling the motor through sending running commands to multiple channels or performing close loop vector control through encoder interface 2 The middle layer module of
78. roportion gain 2 Vector control F2 04 speed loop 0 01s 10 00s 0 01s integration time 2 Vector control PI F2 05 parameter switch F2 02 50 00Hz 0 01Hz 10 00Hz frequency 2 Vector control slip F2 06 compensation 50 200 1 factor Vector control speed loop filter Serge eae F2 07 0 001s time VF control AVR selection 45 2 Chapter 5 Function Parameter Table Factory default F2 09 compensation A factor V F control F2 10 vibration suppression gain Group F3 Terminal Input and Output Terminal control Two line mode 1 5 eo esse e Terminal F3 01 UP DOWN 0 01Hz s 100 00Hz s 0 01Hz s 1 00HZ s Velocity F3 02 Al minimum input 0 00V to 10 00V 0 01V 0 00V Ed Al minimum input F3 03 corresponding _ 100 0 100 0 0 1 0 0 x setup F3 04 Al middle 1 input 0 00V 10 00V 0 01V 5 00V EI AI middle 1 input 100 0 100 0 F3 05 0 1 50 0 x corresponding F3 06 Al middle 2 input 0 00V 10 00V 0 01V 8 00V Ea Al middle 2 input F3 07 100 0 100 0 0 1 80 0 x corresponding F3 08 Al maximum input 0 00V 10 00V 0 01V 10 00V re Al maximum input F3 09 corresponding 100 0 100 0 0 1 100 0 x setup 46 Chapter 5 Function Parameter Table Factory Code Setup range default nge value PULSE pulse input maximum 0 00KHz 50 00kHz 0 01Hz 50 00kHz frequency F3 11 inputfiltertime 0 01s 10 00s 001s 001s o AO zero offset na 100 0 100 0 0 1 0 1 coeffi
79. rt that ensures reliability and greatly reduces the application cost MOBUS bus protocol and expansion da card that can be compatible with PROFIBUS DeviceNet CANopen and other bus controls and functional expansion card with automatic All reflect that the MD series inverter strictly identification function these features complies with the principle Respect the Customers during the design process This manual is a guide to the operations of MD series inverter and MD300 control module For the use of MD320 control module see the operation manual for details This manual provides the user with related precautions and instructions for the installation parameter setting prototyping on site commissioning troubleshooting and routine repair and maintenance In order to Foreword use this series of inverter correctly please read this manual carefully prior to operation and keep it properly for future use The supporting equipment customers shall distribute this manual together with the equipment to the final users Unpacking and inspection Please confirm carefully when unpacking the box 1 If the model and inverter rated values on the nameplate are the same as your order The equipment and user manual will be included in the box 2 Check if the product is damaged during the transportation If there is any omission or damage please contact our company or the supplier immediately First time use The u
80. s 20 0s posao i F6 10 0 1 detection width output frequency al O v 50 Chapter 5 Function Parameter Table Factory Setup range 0 No function 1 Switching between local Wu MF K Key function operation and remote operation selection 2 Switching between forward rotation and reverse rotation 3 jog The RESET function for all statuses is available aug STOP RESET key 0 STOP key disabled in the function terminal control mode 1 STOP key enabled in the terminal control mode default l Earth short circuit Pea protection 0 Disabled detection upon 1 Enabled power on Negative maximum output F6 14 MS speed 0 frequency to maximum output 0 1Hz frequency Negative maximum output F6 15 MS speed 1 frequency to maximum output 0 1Hz 5 0Hz frequency Negative maximum output F6 16 MS speed 2 frequency to maximum output 0 1Hz 10 0Hz frequency Negative maximum output F6 17 MS speed 3 frequency to maximum output 0 1Hz 15 0Hz frequency temperature C Version No Software version F6 19 S 00 00 99 99 01 of current O software 51 0 0Hz Chapter 5 Function Parameter Table Factory Cha Code Setup range default nge value Group FF Factory Parameters Manufacturer FF 00 0 65535 1 password FP User password and parameter initialization reo userpasswer oss a 0 0 no operation Parameter 1 Restore factory default setup N initialization value 2 Clear the fault record _52
81. selection value soup o poteen The function code is used for improve safety protection factor If it is set to 0 it has two functions Firstly if the running command exists upon inverter power on it must cancel the running command to remove the running protection status Secondly if the running command exists upon inverter fault reset it must cancel the running command to remove the running protection status In this way it can prevent the automatic running of the motor under unexpected conditions Frequency Factory default value arrival detection amplitude Setup range 0 0 100 0 When the output frequency of the inverter reaches the setup frequency this function can 71 be used to adjust the detection amplitude as shown in the following figure Output Frequency Y Detected i Amplitude Ti Frequency Detection Signal ii DO landRELAY 1 ON Fig 6 7 Schematic Diagram for Detection Amplitude of Frequency MF K Key function Factory default selection value remote command channel terminal command channel Switching between forward rotation and reverse rotation Forward rotation Jog command It can set and define the function of MF K key on MF K Key refers to multifunctional key the keyboard via this parameter It can perform switching via this key both in the stop and running process 0 This key has no function 1 Switching betwee
82. sers who use this product for the first time shall read this manual carefully For any doubt on certain functions and performances please contact the technical support personnel of our company for help so as to use this product properly With commitment to the constant improvement of the inverter products our company may change the information provided without additional notice ie p CE MD300 series inverter complies with the following international standards and part of products has passed CE certification safety regulation and EMC IEC EN 61800 5 1 2003 Speed variable electric driving system safety requirement IEC EN 61800 3 electric driving system Part 3 EMC standard 2004 speed variable of product and given test method lf it is correctly mounted and used it shall meet IEC EN 61800 3 standard according to 7 3 2 and 7 3 6 Chapter 1 Safety and Precautions Chapter 1 Safety definition In this manual safety precautions are divided into two types below Danger arising due to improper operations may cause severe hurt or even death improper moderate hurt or equipment damage Danger arising due to operations may cause light hurt or 1 1 Safety issues 1 1 1 Before Installation 1 Do not use the damaged inverter or inverter with missing parts Otherwise there may be risk of injury 2 Use the motor with Class B or above insulation Otherwise there may be risk of electric s
83. t model Injection molding MD30IN machine card External LED operation panel extended cable Single phase slave built in brake unit 0 4kW to 2 2kW optional three phase slave from 0 75kW to 2 2kW optional built in brake unit from 18 5kW to 30kW Change OA to 1A or 0 to 24V of the injection molding machine to OV to 10V with output isolation external LED display and operation keyboard Standard 8 core network cable and it can be connected with MDKE Three phase slave built in brake unit of 3 7kW to 15kW is standard configuration Modification of injection molding machine for energy saving MD series general purpose RJ45 interface 1m 3m 5m and 10m are available Refer to Fig 2 7 Options and Accessories Installation Diagram for installation of part of options and accessories Refer to relevant specification for the detailed function and use of options and accessories If the user needs such options and accessories please specify when placing the order Injection Molding Machine Card main circuit terminal mu _ eo Extended operation panel interface Control Terminal Fig 2 7 Options and Accessories Installation Diagram 18 Chapter 2 Product Information 2 Routine Maintenance of inverter 2 7 1 Routine Maintenance The the temperature humidity dust and vibration will influence of ambient cause the aging of the dev
84. t protection function of the inverter be used instead 7 3 6 Precautions for Installing EMC input filter at the input end of power supply 1 When installing the EMC input filter at the input end of the power supply it is recommended to use the EMC filter produced by Shanghai Eagtop Electronic Technology Co Ltd When using the inverter please follow its rated values strictly the filter Classification electric appliances Since belongs to the metal enclosure of the filter shall contact with the metal ground of the Chapter 7 EMC Electromagnetic Compatibility installing cabinet in large area and have good conduction continuity Otherwise there may be danger of electric shock and the EMC effect may be greatly affected Through the EMC test it is found that the filter ground must be connected with the PE end of the inverter at the iy 7 same public earth Otherwise the EMC effect may be greatly affected The filter shall be installed at a place close to the input end of the power supply as much as possible The input wire of the filter shall not close to the output wire Chapter 8 Troubleshooting and Countermeasures Chapter 8 Troubleshooting and Countermeasures 8 1 Fault Alarm and Countermeasures MD300 inverter has 20 pieces of warning information and protection function In case of abnormal fault the protection function will be invoked the inverter will stop output and the faulty relay conta
85. the suppressing result will be poor and over voltage fault may OCCUT Factory default value over voltage Select the protection point for function of stall over voltage When the value is exceeded the inverter starts executing the protection function for stall over voltage Chapter 6 Parameter Description Factory Stall gain asili Fault auto Factory over current value reset default It adjusts the inverter s interval value capacity in suppressing Select time the stall over current interval Setup range The bigger the value is 0 1s 100 0s between fault the stronger the occurring and suppressing capacity is automatic reset For the load with small inertia the value should APRURARRE Factory be small Otherwise aes default r i the dynamic response iu value of the system will be selection slow For the load with Select whether to large inertia the value provide protection should be large for input phase Otherwise the loss Only the MD series inverter suppressing result will Setup over 18 5kW can be poor and over current fault may occur range have input phase 0 Disabled loss protection Factory Fault auto 1 Enabled function and the default reset times inverter below value 18 5kW has not such function no When the inverter selects fault auto reset RA matter whether F5 it is used to set the times of auto reset If epee this value
86. the measuring meters receivers their generally weak If they are placed and sensors signals are nearby the inverter or together with the cabinet inverter in the same control they are easy to suffer interference and thus generate error actions It is recommended to handle with the following methods Put in places far away from the interference source do not arrange the signal cables in parallel with the power cables and never bind them together both the signal cables and power cables employ shielded cables and earthed magnetic with frequency of 30 to 1 000MHz at the output side of the inverter and wind it 2 to 3 turns install EMC output filter if the situation is terrible are well install ferrite ring suppressing 24 Chapter 7 EMC Electromagnetic Compatibility When the interferences and the inverter use the equipment suffering same power supply it may cause conduction interference If the above the interference it shall install EMC filter methods cannot remove between the inverter and the power supply refer to Section 7 3 6 for the prototyping operation The separately earthed which can avoid the the leakage current of the inverter s earth surrounding equipment is interference caused by wire when common earth mode is adopted 7 3 5Leakage current and handling There are two forms of leakage current when using the inverter One is leakage current to the earth and the
87. the setup values of F1 06 to F1 10 will be automatically updated Each time when the rated power of the motor F1 01 the automatically recover the parameter values of F 1 06 to F1 10 to the default standard motor Y is changed inverter will parameters Four pole series asynchronous motor If it is impossible to tune the motor on the site the user can manually input the parameters by referring to the known parameters of the motors of the same type Tuning Factory selection default value Static tuning Complete tuning Prompt Correct motor ratings F1 01 to F1 05 0 No operation Setup range must be set before tuning 0 No operation i e tuning is disabled It applications where rotary tuning cannot be it disconnect the motor from the load 1 Static tuning is applicable to the conducted because is not easy to Action description Set the function code to 1 and press RUN key for confirmation and then the inverter will conduct static tuning 2 Complete tuning To ensure the dynamic control performance of the During the rotary tuning the motor must be inverter please select rotary tuning disconnected with the loads i e no load Upon selection of rotary tuning the inverter will conduct static tuning at first Upon completion of static tuning the motor will of the in accordance with the setup accelerate to 80 rated motor frequency O Chapter 6 Parameter Description 22 O
88. tput corresponding to the output of 0 to10V 20mA It is generally used to correct the zero drift of the analog output and the output amplitude deviation It can also be defined as any necessary output curve For example If the analog output is the running frequency it is expected to output 8V 16mA when the frequency is 0 and output 3V 6mA at the maximum frequency the gain shall be set to 0 50 shall be set to 80 and the zero offset Chapter 6 Parameter Description Group F4 Start Stop Control value is zero it indicates there is no DC brake process and the inverter will stop according to Parameters the setup decoration to stop process DC brake Factory gt Factory Brake use beginning default default ratio frequency value value at stop Setup range 0 100 Setup 0 00Hz maximum It is enabled for the inverter with built in brake range frequency unit It can be used to adjust the brake effect DC brake of the bake unit Factory default value waiting time at stop DC brake Factory current at default stop value DC brake Factory time at default stop value Setup range 0 0s 36 0s DC brake beginning frequency at stop During the acceleration to stop when it reaches this frequency the DC brake process at stop begins Brake waiting time at stop Prior to the beginning of DC brake at stop the inverter stops output and starts DC brake upon this delay It is used to prevent
89. ubject to fine tuning Increase the proportional gain while ensuring no oscillation to the system and then reduce the integration time to ensure that the system has quick response characteristics and small overshoot Note Improper PI parameter setting may cause too large speed overshoot Voltage fault may occur when the overshoot drops 692 Vector Factory default control slip compensat value ion factor 50 200 The parameter is used to adjust steady speed precision when loading to the motor When the motor is heavy loaded the speed is lower the parameter shall be increased otherwise decrease the parameter Vector control speed Factory filter default V F value AVR loop time control selection Setup range 0 000s 0 100s In the vector control mode the output of speed loop regulator is torque current command This parameter is used to filter the torque command This parameter needs no adjustment generally and this filter time can be fluctuation In case of oscillation of motor this increased in case of huge speed parameter shall be reduced properly Under VF control the parameter is the AVR selection function code of VF 0 000 Under VF control AVR is always disabled 0 001 disabled 0 002 Under VF control AVR is disabled on at the time of deceleration Under VF control AVR is always If the value of the function code is over 0 002 handle it as 0 002
90. uring the operation The inverter shall be mounted vertically on the base with Screws 3 The inverter shall be mounted in the place without vibration or with vibration of less than 0 6g and shall be kept away from such equipment as punching machine 4 The inverter shall be mounted in locations free from direct sunlight high humidity and condensate 5 5 The inverter shall be mounted in locations free from corrosive gas explosive gas or combustible gas 6 6 The inverter shall be mounted in locations free from oil dirt dust and metal powder 2 Installation location Fetes ttetienticertietie cette ice ett a la I 2100mm MD300 right MD300 MD300 2100mm Fig 3 1 MD300 Inverter Installation Diagram Signle Unit Installation Diagram Installation Diagram of Upper and Lower Parts 99 Chapter 3 Mechanical and Electrical Installation Note When the inverter power is not higher Note When inverters are than 22kW the A size can be omitted When distributed up and down mount the inverter power is higher than 22kW the A splitter for heat insulation as shown size shall be higher than 50mm in the diagram Heatsink shall be taken into account during the mechanical installation Due attention shall be paid to the following items 1 Install the inverter vertically so that the heat may be expelled from the top However the equipment cannot be installed upside down If there are multiple inverters parallel installati
91. ut Side Since the inverter output is PWM wave if the capacitor for improving the power factor or varistor for lightning protection is mounted at the output side it is easy to cause instantaneous over current in the inverter the recommended that such devices shall not be which may damage inverter It is used 1 2 6 Switching Devices like Contactors Used at the Input and Output Ends of Inverter If a contactor is installed between the power supply and the input end of the inverter it is not allowed to use the contactor to control the startup stop of the inverter If use of such contactor is inevitable it shall be used with interval of at least one hour Frequent charge and discharge will reduce the service life of the capacitor inside the inverter If switching devices like contactor are installed between the output end of the inverter and the motor it shall ensure that the on off operation is conducted when the inverter has no output Otherwise the modules in the inverter may be damaged 1 2 7 Use under voltage rather than rated voltage If the MD series inverter is used outside Safety and Precautions the allowable working voltage range as specified in this manual it is easy to damage the devices in the inverter When necessary use the corresponding step up or step down instruments to change the voltage 1 2 8 Change Three phase Input to Two phase Input It is not allowed to change the MD series three phase inverter into
92. uve Two types straight line type square type V F curve DC brake start frequency 0 00Hz to Max frequency braking duration 0 0s to 36 0 Braking current 0 0 to 170 0 rated current of Torque boost DC brake motor Jog frequency range 0 00Hz to 50 00Hz jog Jog control acceleration deceleration time 0 0s to 3000 0s indicuvalcaa Peripherals It can conduct safety detections on the peripherals Rincon self detection upon upon power on including earthing short circuit power on detections Shared DC Bus It can realize the function that multiple inverters share Function the DC bus She Input output Characteristics Display and Keyboard Operation protection function Using Place Environment Chapter 2 Product Information item O Specifications MF K Key running command channel Programmable key Select the command channel switching forward and reverse rotations jog operation Two kinds of channels Operation panel reference control terminal reference Frequency source Auxiliary Frequency source Input terminal Output terminal LED display Multiple frequency sources digital reference analog voltage reference analog current reference and pulse reference Switching among multiple modes is available It can implement fine tuning and synthesis of auxiliary frequency There are four digital input terminals one of which can be used as high speed
93. which is determined by j3 jumper on the Analog input control board AI2 GND terminal 2 2 Input impedance It is 100kQ at the time of voltage input and 500Q at the time of current input DM Digital input 1 Function Digital input 2 2 Input impedance 3 3kQ Digital Digital input 3 input In addition to the characteristics of DI1 to DI3 l High speed terminal DI4 can also be used as the high speed pulse pulse input l input channel terminal Maximum input frequency is 50kHz output output the J4 jumper on the control board Digital Digital output Output voltage range OV to 24V output 1 Output current range OmA to 50mA normally T A T B closed Contact driving capacity terminal AC250V 3A COS 0 4 output normally DC 30V 1A T A T C open terminal 35 Chapter 3 Mechanical and Electrical Installation 3 Wiring of control terminal A Analog input terminal Generally it is required to use shielding cable and the wiring distance shall be as shorter as possible not longer than 20m as the weak analog signal is especially prone to the external interference As shown in the following figure Less than 20 Meters MD300 pecs 5 Potentiometer Fig 3 9 Schematic Diagram for Connection of Input Terminal of Analog Signallf there is severe interference in the analog signal filter capacitor or ferrite magnetic ring shall be added to the analog signal side As shown in Fig 3 10 Wiring diag

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