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Preface

1. MCCB 3 S 3 ZN R O o 0O R PB UG Three phase 380V T s060Hz gt r Os V6 27 T 0 or MD320series we 24V OP T EG 24V Digital Input1 DI1 avs GN3 External Keyboard Interface O Digital Input2 DI2 k J2 PG Card Interface O o 3 Digital Input 3 DI3 _ Ars J1 Functional Expansion Card Interface Digital Input4 DI4 reel 5 ty AO aa cee ra Tv Analog output OE eo D6 ae GND 0V 10V 0mA 20mA COM i Open Collector 1 h COM a A 10V Frequency setup power supply Multifunctional Open Collector Output 3 i 10V 10mA DO1 0V 24V OmA 50mA DC 0 10V el k Open Collector 2 IkO SKO Se l Alt Analog input 1 ian i CME AOV 4 B igh DC 0 10V 4 20mA L LO AZ Analog input2 EF High speed pluse output I i GND 9 OS Fault contact output TB AC250V 10mA above 3A below PE Connect to the housing TJA DC30V 10mA above 1A below Fig 3 6 Schematic Diagram for Three phase Inverter Connection Precautions are as follows 1 Terminal refers to the main circuit terminal Terminal o refers to the control circuit terminal 2 The 0 75kKW 15kW Auto unit is the standard configuration 3 7 5KW 55kW is build in DC reactor 4 The selection of the braking resistor is according to the user need See the prototy
2. 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 actual detection parameter running record parameter etc 2 The function code cannot be modified in running status It can be modified only after the unit is stopped 4 3 Shortcut Menu Operation Mode The shortcut menu is set to facilitate the user to quickly view and modify the commonly used function parameters In the shortcut menu the parameter is displayed in the form of Uf3 02 which indicates the function parameter F 02 Parameter modification in the shortcut menu has the same effect as the operation in the common programming status The shortcut menu can contain 16 function parameters at most If there are 16 parameters and the user wants to add more it will display FULL If NULL is displayed when entering the menu it indicates that the shortcut menu is null The shortcut menu operation is limited by the function code F7 03 When F7 3 is set to 0 addition or deletion operation can be performed on the shortcut menu When F7 03 is set to 1 the parameter option is locked and addition or deletion operation is inactive The shortcut menu has stored the 16 common parameters by default for the convenience of the user 62 MD320 MD320N
3. Hysteresis i i i 1 1 i 1 i 1 1 i i 1 1 Time Frequency Detection Signal i 1 1 DOI Relay 1 ON Time Fig 6 13 Schematic Diagram of FDT Level Frequency arrival Factory default detection amplitude value Setup range 0 00 100 maximum frequency When the output frequency of the inverter reaches the setup frequency value this function can be used to adjust the detection amplitude as shown the following figure Output Frequency y Detected aa eee Nort te te eere reese i Amplitude Setting Frequency Time Frequency Detection Signal DO1 Relay Fig 6 14 Schematic Diagram for Detection Amplitude 136 MD320 MD320N User Manual Earth short circuit protection detection upon power on Parameter Description Factory default value Q Inactive Setup range 1 Active It can select whether the inverter checks the motor for earth short circuit failure upon power on If this function is active the inverter has short time output at the instance of power on Running time to action selection Factory default value 0 Continue running Setup range 1 Stop Group F9 Fault and Protection Motor overload protection selection Setup range 0 Inactive 1 Active Motor overload protection gain Setup range 0 20 10 00 Factory default value 0 The inverter has no overload protection for the motor and thermal relay is installed
4. O O Plug Housing L _ 104 116 00 10 00 G 3 50 typ2 Fig 2 9 Schematic Diagram for Physical Dimensions of External Keyboard Mounting Hole Dimensions of External Keyboard 73 50 eo 04 00 typ2 al 99 30 95 00 2 75 Fig 2 10 Schematic Diagram for Mounting Hole Dimensions of External Keyboard 31 Product Information MD320 MD320N User Manual 2 5 4 Schematic Diagram for Dimensions of External DC Reactor Fig 2 11 Schematic Diagram for Dimensions of External reactor Table 2 5 Adaptable Inverter Model Connection Diameter Adaptable Mounting Hole of Inverter Model holes the copper MD320T75G 90P 90G 110P 110G M32P MD320T132G 160P 160G MD320T200P 200G 220P 220G 250P MD320T250G 280P 280G 315P MD320T315G 355P 355G 400P 400G 450P Caution For special requirements the user can customize non standard products External DC reactor installation mode MD320 series inverter of more than 75kW produced by Shenzhen Inovance Technology Co 32 MD320 MD320N User Manual Product Information Ltd all employs standard external DC reactor which is packed in independent wooden box and delivered together with the inverter When mounting the inverter the user needs to remove the
5. Controller OP a 3 DI1 3 3 er Fig 3 13 Source Electrode Connection 57 Mechanical and Electric Installation MD320 MD320N User Manual This is one of the most commonly used connection mode If external power supply is used it must remove the short circuit copper bars between 24V and OP and between COM and CME respectively and connect the positive pole of external power supply to OP and negative pole to CME 4 Drain Electrode Connection External 24v Inverter Control Board Controller 24V gj pf OP w FK a ol Fig 3 14 Drain Connection In this connection mode it must remove the short circuit copper bar between 24V and OP and connect OP with the public tend of the external controller and OP with CME If external power supply is used it must also remove the short circuit copper bar between CME and COM D 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 Caution The absorption diode shall be installed with correct polarity as shown in Fig 3 15 Otherwise when there the digital output terminal has output the DC 24V power supply and output circuit will be damaged immediately MD320 Fig 3 15 Schematic diagram for connection of digital output terminal 58 A Operation and Display Operation and Display MD320 MD
6. Group F6 Start Stop Control 0 Direct start F6 00 Start mode Start mode 1 xX 1 Speed tracking restart 0 Beginning from stop frequenc Rotation Rotation 9 g PE y i 1 Beginning from zero speed speed speed tracking ae 1 2 Beginning from maximum tracking mode mode frequency Rotation Rotation speed speed tracking 1 100 tracking speed speed Start Start F6 03 0 00 Hz 10 00Hz 0 01Hz ok 00Hz frequency frequency Start Start holding frequency 0 0s 36 0s 0 15 0 05 holding time DC brake Brake current F6 05 0 100 1 0 current at start at start DC brake time Brake time at F6 06 0 0s 36 0s 0 15 0 0s at start start speed up speed up 0 Straight speed up speed down F6 07 speed down speed down 1 1 S cruve speed up speed down mode mode Start segment Start segment F6 08 time of S 0 0 40 0 0 1 30 0 of S curve curve End segment Start segment F6 09 time of S 0 0 40 0 0 1 30 0 of S curve curve 0 Speed down to stop F6 10 Stop mode Stop mode 1 Ww 1 Free stop DC brake Brake beginning F6 11 frequency at 0 00Hz maximum frequency 0 01Hz 0 00Hz pg frequency at stop stop 80 MD320 MD320N User Manual Function Parameter Table Factory eee Function i Modification LED display Set range default nee code description value DC brake p or Brake waiting F6 12 waiting time at 0 0s 36 0s 0 15 0 05 Ww at stop stop DC brake DC brake F6 13 0 100 1 0 Xx current at stop curr
7. 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 acquiring 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 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 36 MD320 MD320N User Manual Product Information a The equipment is damaged because the user fails to comply with the requirements of the user s manual b 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 s
8. 1 Bika setup UP ara DOWN vecors fm SSS y y opoo s frusen e wss ooo VERE Emma Communication setup Select the input channel for main reference frequency of the inverter There are ten types of main reference frequency channels 0 Digital setup non recorded The initial value is the value of F0 08 Digital Setup Preset Frequency It can change the setup frequency value of the inverter through the keys A and W of the keyboard or UP and DOWN of multifunctional input terminals Non recorded means that the setup frequency value is recovered to the value of F0 08 Digital Setup Preset Frequency in case of inverter power failure 1 Digital setup recorded The initial value is the value of FO 08 Digital Setup Preset Frequency It can change the setup frequency value of the inverter through the keys A and W of the 95 Parameter Description MD320 MD320N User Manual keyboard or UP and DOWN of multifunctional input terminals Recorded means that the setup frequency upon restart of inverter due to power failure remains the same 2 Al1 3 Al2 4 Al3 It means that the frequency is determined by the analog input terminal Standard unit provides two analog input terminals and optional I O expansion card can provide one analog input terminal AI3 Al1 and Al3 refer to voltage input of 0 to 10V Al2 can be used as either voltage input of OV to10V or current input of 4
9. Factory default Stall gain over current value It adjusts the inverter s Capacity in suppressing the stall over current 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 the suppressing result will be poor and over voltage fault may occur Stall protection current over Factory default current value Select the protection point for function of stall over current When the value is Setup l 100 200 exceeded the inverter starts executing range the protection function for stall over current 139 Parameter Description MD320 MD320N User Manual Transient stop non stop Factory default function value This function means that the inverter will not stop upon transient power failure In case of transient power failure or sudden reduction in voltage the inverter will F9 07 Setup O Inactive reduce the output speed and compensate range 1 Active l the reduced voltage with the load feedback energy so as to ensure the inverter continues running within short period of time Transient stop non stop Factory default value 10 00Hz s sm falling rate Fault auto reset times auto reset times Factory default value o When the inverter selects fault auto reset it is used to set the times of auto reset
10. This parameter is used to select the benchmark quantity of the swing amplitude 0 Relative to the central frequency F0 07 frequency source selection and it is variable swing amplitude system The swing amplitude varies with the central frequency setup frequency 1 Relative to the maximum frequency FO 10 maximum output frequency and it is fixed swing amplitude system The swing amplitude is fixed 145 Parameter Description MD320 MD320N User Manual SS Swing frequency amplitude Factory default value Setup range range 0 0 to 100 0 Kick frequency amplitude 1 Factory default value 0 0 Setup range 0 0 to 50 0 This parameter is used to determine the values of swing amplitude and kick frequency The swing frequency is limited by the frequency upper limit and frequency lower limit The swing amplitude is relative to the central frequency variable swing amplitude select FB 00 0 swing amplitude AW frequency source F0 07 times swing amplitude FB 01 The swing amplitude is relative to the maximum frequency fixed swing amplitude select FB 00 1 swing amplitude AW maximum frequency F0 12 times swing amplitude FB 01 Kick frequency swing amplitude AW times kick frequency amplitude FB 02 That is the value of kick frequency relative to the swing amplitude when the swing frequency is running If the swing amplitude relative to the central frequency variable swing amplitude select FB 00 0 is selected the kick fre
11. 800 400 Q14 200 320 1166 1090 1192 440 310 Q10 90 Caution The letter H which at the end of the model name refers to the narrow body aircraft 28 MD320 MD320N User Manual Product Information Table 2 4 Physical Dimensions and Mounting Hole Dimensions mm Diameter cael mol Physical Dimensions mm of Mounting Cee ew fue MD320NS0 4G MD320NS0 7G MD320NS1 5G MD320NS2 2G 113 MD320NT0 7GB MD320NT1 5GB MD320NT2 2GB MD320NT3 7GB MD320NT5 5PB 148 MD320NT5 5GB MD320NT7 5PB_ SPB MD320NT7 EN MD320NT11PB MD320NT11GB 192 6 5 MD320NT15PB MD320NT15GB MD320NT 18 5PB MD320NT18 5G MD320NT22P MD320NT22G 20 MD320NT30P MD320NT30G MD320NT37P MD320NT37G MD320NT45P MD320NT45G 32 MD320NT55P MD320NT55G MD320NT75P 29 Product Information MD320 MD320N User Manual Diameter Mounting Hole Physical Dimensions mm of Mounting Hole mm MD320NT75G MD320NT90P MD320NT90G MD320NT110P MD320NT110G MD320NT132P MD320NT132G 449 MD320NT160P MD320NT160G MD320NT200P MD320NT200G MD320NT220P MD320NT220G 650 377 MD320NT250P MD320NT250G MD320NT280P MD320NT280G MD320NT315P MD320NT315G MD320NT355P MD320NT355G 520 1300 1203 1358 800 400 O16 MD320NT400P MD320NT400G MD320NT450P 30 MD320 MD320N User Manual Product Information 2 5 3 Physical Dimensions of External Keyboard _ 76 00 i 54 mo g 15 00 a i
12. MD320 MD320N User Manual Parameter Description Where SB1 Stop button SB2 Running button Din is multifunctional input terminals of DI1 to DI5 DI1 to DI10 if multifunctional input and output expansion card is selected In this way it shall define the corresponding terminal functions as No 3 function Three line Mode running Control Terminal UP DOWN Speed Factory default value 1 00Hz s Setup range 0 01Hz s 100 00Hz s Terminals UP DOWN is used to adjust the change rate when setting the frequency Al1 Eoo input Factory default value 0 00V Setup range range 0 00V 10 00V Al1 minimum input Factory default value 0 0 a setup Setup range range 100 00 100 0 aa maximum input Factory default value 10 00V Setup range range 0 00V 10 00V Al1 maximum input Factory default value 100 0 Fa I setup Setuprange range 100 00 100 0 ver pe Al1 input filter time Factory default value Setup range 0 00s 10 00s 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 minimum input When the analog input is current input 1mA 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 Sev
13. Otherwise it may cause fault or damage the inverter Do not share the earth terminal and Zero line of the power supply 3 2 5 Control terminal and connection 1 Control terminals and connection 10V AIZ DI1 DI2 DI3 DI5 CO Fig 3 8 Layout of Control Circuit Terminals 2 Function description of control terminal Table 3 3 Description of Control Terminal Function of MD320 Inverter Terminal Symbol Function Description Provide 10V power supply for external units and the maximum output current is 10mA External 10V 10V GND er It is generally used as the operating power p PPly supply for the external potentiometer The potentiometer resistance range is 1kKO 5kQ Provide 24V power supply for external units It is generally used as the operating power supply 24V COM ep for digital input output terminals and the external power supply EG The maximum output current is 200mA Connect to 24V by default upon delivery When external signal is used to drive DI1 DI5 OP needs to connect to the external power supply and disconnect from the 24V power terminal External power input terminal U O iq op D oS lt 53 Mechanical and Electric Installation MD320 MD320N User Manual Terminal Symbol Function Description Al1 GND Analog input 1 Input Voltage range DC OV to 10V terminal 1 2 Input resistance 100kQ 1 Input range DC OV 10V 4mA 20mA which is determined by J3 jumpe
14. Parameter Description MD320 MD320N User Manual Chapter 6 Parameter Description Group FO Basic Function Model display Factory default value Model dependent Ea G model constant torque load model 1 P model fan and pump load model Setup range This parameter is provided only for the user to view the factory default model and cannot be modified 1 It is applicable to the constant torque load of the designated rated parameters 2 It is applicable to the variable torque loads fan and pump loads of the designated rated parameters Controlmode Controlmode Factory default value 0 So Speed sensorless vector control Setup Range EE Speed sensor vector control VC Eg V F control 0 None speed sensor vector control 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 1 Speed sensor vector control refers to close loop vector It must be added with encoder and PG card and is applicable to the applications where high precision speed control or torque control is required One inverter can only drive one motor loads such as paper making machine lifting machine and elevator 2 V F control It is applicable to the applications where the load requirements are rather low or one inverter drives multiple motors such as fa
15. Setup 0 to 3 If this value is exceeded the inverter range will stop because of failure and wait for maintenance Fault rely action selection Factory default during the fault auto reset value Setup After the failure auto reset function is selected this range parameter can be set to determine if it needs the action 0 No of the faulty relay so as to shield the fault alarm caused action and ensure the continuous operation of the equipment 1 Action during the failure reset Fault auto reset l Factory default value interval Setup range The waiting time of the inverter from the 0 1s 100 0s fault alarm to auto reset 140 MD320 MD320N User Manual Input phase failure protection selection O Inactive 1 Active Setup range Output phase failure protection selection Q Inactive 1 Active Parameter Description Factory default value Select whether to provide protection for input phase failure Only the MD series inverter of G model with over 18 5kW can have input phase loss protection function and the P model with 18 5kW has not such function no matter whether F9 10 is set to 0 or 1 Factory default value Select whether to provide protection for output phase failure First fault type Second fault type Most recent fault type It is used to record the fault types of inverter for the most recent three times 0 indicates no fault while 1 to 24 indicates ERRO1 to ERR24 Refer to Chapter 7 fo
16. The earth terminal shall be earthed reliably Otherwise there may be danger of electric shock Operation shall be performed by the professional engineering technician Otherwise there will be danger of electric shock There shall be circuit breaker between the inverter and power supply Otherwise there may be fire Make sure the power is disconnected prior to the connection Otherwise there will be danger of electric shock The earth terminal shall be earthed reliably Otherwise there may be danger of electric shock Safety and Precautions 11 Safety and Precautions MD320 MD320N User Manual 1 1 4 Before Power on Please confirm whether the power voltage class is consistent with the rated voltage of the inverter and whether the I O cable connecting positions are correct and check whether the external circuit is short circuited and whether the connecting line is firm Otherwise it may damage the inverter The cover must be well closed prior to the inverter power on Otherwise electric shock may be caused The inverter is free from dielectric test because this test is performed prior to the delivery Otherwise accident may occur The cover must be well closed prior to the inverter power on Otherwise electric shock may be caused 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 Do not open the cove
17. To complete the rotation speed tracking process within the shortest time select the mode of inverter tracking motor rotation speed 0 To track from the frequency upon power failure it generally selects this mode 1 This mode is used to track from zero frequency and restart upon long period of time of power failure 2 This mode is used o track from the maximum frequency and applicable to the general power generating loads 124 MD320 MD320N User Manual Parameter Description Rotation speed tracking Factory default 5G fastness and slowness value Setup range 1 100 When it is in the mode of rotation speed tracking restart select the fastness and slowness of the rotation speed tracking The higher this parameter value is the faster the tracking speed is But too high value may result in unreliable tracking Factory default Startup frequency 0 00Hz ct S Setuprange range 0 00Hz 10 00Hz OOHz 10 00Hz Start frequency Factory default retention time value Setup range 0 0s 36 0s To ensure the torque at the start of inverter it needs to set a proper start frequency In addition to set up flux at the time of motor start it needs to start acceleration after the start frequency is kept for a certain period of time The start frequency value F6 03 is not limited by the frequency lower limit When the frequency reference value frequency source is lower than the start frequency the inverter cannot be started and
18. A Single phase power supply 200 240V 50 60Hz Singe phese power supply 200 240V 50 60Hz moser o mo ef 3 Three phase power supply 380 480V 50 60Hz moser 3 wos eo fr 5 moss 20 me eo es rs waxes ao sao oo wm fa moss mo zo mo vos o 0 eo 19 Product Information MD320 MD320N User Manual Power Input Output Adaptable Motor Inverter model capacity current current kW KVA A A esses sno osso emo oe vomo seso reso reso oo coo oe eoo so mo oo Three phase Power supply 690V 50 60Hz voss sno seo mo voor seo eso oo or ooo woos 690 woo ao wo 20 MD320 MD320N User Manual Product Information 2 4 Technical Specifications Table 2 2 MD320 Inverter Technical Specifications frequency Carrier 0 5k to 16kKHz the carrier frequency will be automatically frequency adjusted according to the load characteristics Input frequency Digital setting 0 01Hz resolution Analog setting maximum frequency x0 1 Open loop vector control SVC Control mode Close loop vector control VC V F control Startup torque model 0 5Hz 150 SVC Hz 180 VC EE P model 0 5Hz 100 Speed adjustment 1 100 SVC 1 1000 VC range Speed stabilization 0 5 SVC 0 02 VC precision Torque control 5 VC precision Overload G model 150 rated current 60s 180 rated current 18 i capa
19. F2 00 proportional Speed loop P1 0 100 1 30 xX gain 1 speed loop F2 01 integration Speed loop I1 0 01s 10 00s 0 01s 0 50s time 1 ease tel 0 00 F2 05 0 01Hz 5 00Hz frequency 1 frequency 1 speed loop F2 03 proportional Speed loop P2 0 100 1 20 Ww gain 2 Speed loop F2 04 integration Speed loop I2 0 01s 10 00s 0 01s 1 00s time 2 re pe ae F2 05 F2 02 Max frequency 0 01Hz 10 00Hz frequency 2 frequency 2 Slip F2 06 compensation Slip coefficient 50 200 1 100 Ww coefficient Time constant Speed loop F2 07 of speed loop filter 0 000s 0 100s 0 001s 0 000s x filter 0 Active 2 08 rng conor Teruo conor OMe tf fw 2 Inactive 0 F2 10 1 Al1 2 Al2 F2 09 nome upper JOE upper 3 AI3 1 P3 limit source limit source 4 PULSE setup 5 Communication setup Analog input scale corresponds to F2 10 Torque upper Torque upper F2 10 e Te UPPET 0 0 200 0 0 1 150 0 sr limit limit Encoder Encoder pulse F2 11 165535 1 1024 pulse number number i n DHH F3 V F Control Parameters 12 MD320 MD320N User Manual Function Parameter Table i Factory aren Function i Modification LED display Set range default nee code description value 0 Straight V F curve VIF curve l F3 00 i V F curve setup 1 Multiple point V F curve 1 setu j 2 Square V F curve F3 01 Torque boost Torque boost 0 0 automatic 0 1 to 30 0 Cutoff frequency of frequency of 0 00 maximum frequency 0 01Hz 50
20. No The inverter model is rather small Fig 8 2 Acceleration over current ERRO2 161 Fault Diagnosis and Solution MD320 MD320N User Manual 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 Yes p gt Perform troubleshooting No gt Identify the motor parameters V F Mode Prolong the deceleration time Adjust the voltage to normal range Yes Remove the additional load Ee Install the brake unit and brake resistor Ask for technical support Fig 8 3 Deceleration over current ERRO3 162 MD320 MD320N User Manual Fault Diagnosis and Solution Constant Speed over Current Perform troubleshooting and install Check if the output loop of the inverter is short circuited or has leakage current No If the motor parameters are identified N Yes If load is added suddenly during the running No If the inverter load can be lightened No The inverter model is output reactor if the line is too long Nos Identify the motor parameters Yes Remove the additional load Lighten the load rather small Fig 8 4 Constant speed over current ERR04 163 Fault Diagnosis and
21. Star Stop CONN O EE EE 124 Group FS Axillary FUN ONS 132 Group FA Process Control PID Function rarranrannrnrananvnnnrvnnnnrnnnnrnnnnnenrnnnnnnnnsnnnnsennunsennnssnnnne 142 Group FB Swing Frequency Fixed Length and Count ccccccssecceeessececeseeeeeesaeeeeeeaeeeees 145 Group FC MS Speed Function and Simple PLC Function rrrrnrrernnnronnnnrnnnnnennnnnennnnennnnnenne 147 Group FD Communication Parameters viiisscnccixccieventuxonensenseusssussansncdnsundansanssaenbeeunandinshesvendsnons 153 Group FF Factory Parameters RESEVET kunnurgnmenntedaeineepennkndeeieadkndeseaadndnsadeeidene 153 Group FP User PaSSWOl C viscicisicnasisapcancinsiecamsensimarsanasavendssaneasdeiawitaneunssGnannisidettaconhtuainenaiGnietancneues 153 Chapter 7 EMC Electromagnetic Compatibility 156 Ga ics 0 NE NE NE ee ee ee 156 72 EMC Slandard Des HOM oes cecchstecenetbsacueseceteenscesnnntnes EEEREN E EErEE NEEE EERE 156 To EMC Ne 156 Chapter 8 Fault Diagnosis and Solution ccccecceeeee ees 160 8 1 Fault Alarm and Countermeasures scniisicnssasesivtiniannotectosaniuetss ecastxdiwntectaananevintenteaepiebleatad 160 6 2 Common Faul and RENN 173 Appendix Card DeSCTiIDtion ccccsceceecseecseeeeeseneteeeseeeees 176 Appendix A Description of Common PG Card MD32PG rrranrrernrnnnrovrnnnrrrnrnnnrrnrnnenernnnnnner 176 Appendix B Description of Long line Drive PG Card MD32PG3 rranrnnrrvrnnnnnnrrrvrnr
22. it needs to configure additional multifunctional input and output expansion card PULSE pulse input Factory default value 0 00kHz minimum frequency Setup range 0 00kHz 50 00kHz PULSE pulse input minimum frequency Factory default value 0 0 correspondin g setup Setup range 100 00 100 0 PULSE pulse input Factory default value 50 00kHz maximum frequency Setup range 0 00kHz 50 00kHz PULSE pulse input maximum frequency Factory default value 100 0 correspondin g setup PULSE pulse input filter time Setup range 0 00s 10 00s This group of function code defines the corresponding relationship when the pulse is used as frequency setup mode Factory default value 0 10s The pulse frequency input can only be input via DI5 channel The applications of this group of function are similar to those of Al1 function Group F5 Output Terminal The standard unit of MD320 series inverter has one multifunctional digital output terminals one multifunctional relay output terminal one FM terminal can be used as either high speed pulse output terminal or collector open output and one multifunctional analog output terminal If it needs to add relay output terminals and analog output terminals optional multifunctional input 119 Parameter Description MD320 MD320N User Manual output expansion card can be used The multifunctional input and output expansion card has additional one multifunctional relay output termina
23. mA AI3 voltage V Numerical value input F7 04 Meaning of higher 8 digits DARAMA Length input Loading speed PID setting PID feedback PLC steps tested by pulse input Linear speed reserved reserved If the above parameters need to be displayed during the operation set the corresponding positions to 1 and change the binary numbers into decimal numbers and set them in F7 01 LED stop eee Factory default value o ae Meanings of Lower Eight Digits Setting frequency Hz Bus voltage V DI input State DO output State AIl voltage V AI2 voltage V Current mA AI3 voltage Numerical value input Meanings of Higher Eight Digits susen Length input PLC step Reserved Reserved Reserved Reserved Reserved Reserved If the above parameters need to be displayed during the stop set the corresponding positions to 1 and change the binary numbers into decimal numbers and set them in F7 05 130 MD320 MD320N User Manual Parameter Description ri default Load speed display coefficient ri The output frequency of the inverter and the load speed are Setup range 0 0001 6 5000 relative through this parameter It is set when the load speed needs to be displayed Radiator temperature of Factory default inverter module value F7 07 Display the temperature of inverter module IGBT and the Setup range 0 0 C 100 0 C over temperature protection value of the inverter module IGBT varies with the
24. time selection Speed uptime1 up time Speed uptime1 FO 17andFo 18 FO 17andFo 18 and F0 18 Speed up time 2 F8 03 F8 04 Speed up time 3 F8 05 and F8 06 Speed up time 4 F8 07 and F8 08 DI filter time Factory default value It is used to set the sensitivity of DI terminal If the digital input terminal is vulnerable to interferences and may cause error action it can increase this parameter value to enhance the anti interference capability However this operation will reduce the sensitivity of DI terminal Terminal command mode Factory default value Po Ea Two line mode 1 Two line mode 2 Setup range Three line mode 1 Three line mode 2 This parameter defines four different modes of controlling the operation of the inverter via the external terminals 0 Two line running mode 1 This mode is the most commonly used two line mode The forward reverse rotation of the motor is decided by the commands of FWD and REV terminals ele me FWD Digital input terminal 4 0 For Rotation o Reverse Rotation REV Digsal Input terminal COM Digtal public terminal Fig 6 5 Two line Running Mode 1 1 Two line running mode 2 When this mode is adopted REV is enabled terminal The direction is determined by the status of FWD 115 Parameter Description MD320 MD320N User Manual Running Commanc FWD Digital input terminal REV Digsal input erminal Forward Rotation Reverse
25. 0 is selected the target source is keyboard reference It needs to set this parameter The benchmark value of this parameter is system feedback quantity PID feedback source Factory default value 0 om S SSS FA 02 Gpe SSS Setup range 3 alt to Al2 KN PULSE DI5 5 Communication setup 143 Parameter Description MD320 MD320N User Manual This parameter is used to select the PID reference channel PID action PiD action direction Factory default value 0 ES Positive action Setup range KU Reverse action Positive action When the feedback signal is higher than the PID reference it needs to reduce the output frequency of the inverter to balance the PID The winding tension PID control is the example Reverse action When the feedback signal is higher than the PID reference it needs to increase the output frequency of the inverter to balance the PID The unwinding tension PID control is the example PID reference feedback range Factory default value 100 FA 04 PID reference feedback range is a non Setup range 0 65535 dimensional unit It is used to display the PID reference an TM A ME FA 05 Eo time Factory default value FA 06 Setup range range 0 01s 10 00s Differential time D Factory default value 0 000s A Seuprange 00010000 y O Setup range 0 00 10 000 Proportional gain P It decides the adjustment intensity of the whole PID regulator The higher the P is more powerful
26. 00Hz torque boost torque boost VIF frequency V F frequency F3 03 0 00Hz rated motor frequency 0 01Hz 0 00Hz point 1 1 V F voltage point 1 V F frequency F3 05 scint2 V F frequency 2 0 00Hz rated motor frequency 0 01Hz 0 00Hz i V F voltage point 2 V F frequency F3 07 pats V F frequency 3 0 00Hz rated motor frequency 0 01Hz 0 00Hz i V F voltage i Slip Slip compensation compensation 0 0 200 0 1 0 0 Ww coefficient coefficient O linactive 1 Active F3 10 AVR selection AVR selection X 2 Inactive only at speed down time Oscillation Oscillation Model suppression suppression 0 100 dependent gain gain F4 Input terminal 73 Function Parameter Table code DI1 terminal function selection DI2 terminal function selection D13 terminal function selection D14 terminal function selection DI5 terminal function selection DI6 terminal function selection on I O expansion card DI7 terminal function selection on I O expansion card DI8 terminal function selection on I O expansion card DI9 terminal function selection on I O expansion 74 LED display DI1 terminal selection DI2 terminal selection DI3 terminal selection DI4 terminal selection DI5 terminal selection DI6 terminal selection DI7 terminal selection DI8 terminal selection DI9 terminal selection MD320 MD320N User Manual Factory Set
27. 2 to 3 cycles install EMC output filter in more severe conditions 2 When the equipment suffering interferences and the inverter use the same power supply it may cause conduction interference If the above methods cannot remove the interference it shall install EMC filter between the inverter and the power supply refer to Section 7 3 6 for the prototyping operation The surrounding equipment is separately earthed which can avoid the interference caused by the leakage current of the inverter s earth wire when common earth mode is adopted 157 EMC Guide MD320 MD320N User Manual 3 The surrounding equipment is separately earthed which can avoid the interference caused by the leakage current of the inverter s earth wire when common earth mode is adopted 7 3 5 Leakage current and handling There are two forms of leakage current when using the inverter One is leakage current to the earth and the 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 motor The higher the carrier frequency is the larger the leakage current will be The leakage current can be reduced by reducing the carrier frequency Howeve
28. 5s h segment time Fifteenth segment speed up speed down a 0 1s h D ee 0 1 1 1s cae 1s 1 1 0 h DEN 0 1s 0 0s h HE 91 Function Parameter Table MD320 MD320N User Manual Factory er Function Modification LED display Set range default ere code description value fog enno ume time Time unit 0 s s Foso 50 a selection 1 DE ae 000000 Group FD Communication Parameters S FD Communication Parameters 300BPS 600BPS 1200BPS 2400BPS FD 00 Baud rate Baud rate 4800BPS 9600BPS 19200BPS 38400BPS 0 No parity check FD 01 Data format Data format 1 Even parity check 2 Odd parity check 1 to 247 and 0 is the broadcast FD 02 Local address Local address 1 1 xX address response response FD 03 Oms 20ms 1 2 X delay delay Communi Communi cation timeout cation timeout 0 0 inactive and 0 1 60 0 0s time time communi communi 0 Non standard MODBUS cation protocol protocol selection 1 Standard MODBUS protocol cation protocol selection Group FE Reserved Function Group Group FF Factory Parameters Manufacturer Manufacturer Reserv FF 00 Reserved Reserved password password ed Group F User Password User User FP 00 0 65535 1 Ww password password 0 No operation Parameter Parameter 1 Restore factory default setup 1 P initialization initialization value 2 Clear the fault record 9 6 Parameter Description
29. 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 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 interference rejection test 3 Harmonic input interference 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 Guide 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 A
30. DC bus 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 port that ensures reliability and greatly reduces the application cost MOBUS bus protocol and expansion card that can be compatible with PROFIBUS DeviceNet CANopen and other bus controls and functional expansion card with automatic identification function All these features reflect that the MD series inverter strictly complies with the principle Respect the Customers during the design process This manual is a guide to the operations of MD series inverter and MD320 control module For the use of MD300 control module see the operation manual for details This manual provides the user with related precautions and instructions for the prototyping installation parameter setting on site commissioning and routine Repair and Maintenance of inverter In order to 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 MD320 MD320N User Manual Preface 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 box contains the equipment certificate of conformity us
31. MD320 MD320N User Manual Preface 1 The bottom layer module of the MD series inverter is high performance motor control module and consists of V F speed sensorless vector control SVC and vector control It is mainly responsible for high performance control and overall protection of the 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 MD series inverter is general functional module which mainly includes some basic functions of the inverter such as PID control MS speed and swing frequency and so on According to the degree of complexity of functions Inovance Technology provides two sub modules for options of the customers that is MD320 functional module and MD300 functional module Refer to Table 1 for the difference between the two modules Table 1 Difference between MD320 and MD300 Functional Modules Five DI bidirectional input and one high speed port two Input output terminal Al two DO one high speed port one AO and one relay expandable I O Multiple point fold line mode which is easy to realize the functions of the injection molding machine Four DI unidirectional input and one high speed port two Al one DO one AO and one relay Analog setup mode Straight line mode MS speed Be able to realize 16S Be able to realize 168 speed _ Be able to realize 4S speed operation fixed le
32. Modification of Shortcut Parameters 63 Operation and Display MD320 MD320N User Manual Caution In Stop or running display interface press QUICK key to enter shortcut key and select different shortcut parameters with UP DOWN key Then press ENTER key to enter next level of menu At this time the modification method of shortcut parameter is the same as that of the parameters in common level 3 menu To return to the upper level display press QUICK key and the modified parameters will not be saved 3 Delete shortcut parameter item Flash Display QUICK AA PRG gt gt 50 00 L F0 12 u F1 04 u F5 06 lt lt QUICK Z QUICK ENTER 5000 4 F801 Fig 4 6 Deletion of Shortcut Menu Caution Press PRG key in shortcut menu the display flashes and prompts whether to delete the parameter Press ENTER key for confirmation the display stops flashing and the deletion operation is completed Press QUICK key the display stops flashing and the deletion operation is canceled If the last shortcut parameter is deleted null will be displayed upon deletion indicating that the shortcut menu is null 4 4 Extended Function Menu Upon completion of effective installation of functional expansion cards like water supply card and extension card the inverter can automatically identify the card type and extend group H menu to the standard menu for user to perform p
33. User Manual Inverter fault Inverter fault information address No fault Inverter unit protection Speed up over current Speed down over current Constant over current Speed up over voltage Speed down over voltage Constant over voltage Control power supply fault Under voltage fault Inverter overload Motor overload Input phase failure Output phase failure Radiator overheating External equitment fault Communication fault Contactor fault Current detection fault Motor tuning fault PG Fault Description data of communication fault information fault code Communication fault l n Fault function description address No fault Password error Command EN CRC checksum error Invalid address Invalid address Parameter change invalid The system is locked 198 MD320 MD320N User Manual Appendix Group FD Communication parameter description zea 300BPS 600BPS 1200BPS 3 2400BPS Setup range ER e fws This parameter is used to set the the data transfer rate between host computer and the inverter Please note that baud rate of the host computer and the inverter must be consistent Otherwise communication is impossible The higher baud rate is the faster communication is Battomat Fos ations 0 Nestea omaan 2 oc ary Check dama The host computer and inverter setup data format must be consistent otherwise communication is impos
34. User Manual Operation and Display FO 01 Controm mode FO 02 Command source selection F0 03 Main frequency source selection F0 07 Frequency source selection F0 08 Preset frequency FO 17 Acceleration time FO 18 Deceleration time F3 00 V F curve setup F3 01 Torque boost F4 00 DI1 terminal function selection F4 01 DI2 terminal function selection F4 02 DI3 terminal funciton selection F5 04 DO1 output selection F5 07 AO1 output selection F6 00 Startup mode F6 10 Stop mode The user can edit the shortcut menu in accordance with the actual needs Flash Display QULCK gt 1 Add shortcut parameter item Stop Flashing ENTER F0 16 Stop Display PRG 50 00 F0 16 F0 16 Fig 4 4 Example of Adding Shortcut Parameter Item Caution When pressing QUICK key during the programming of level 2 menu the display flashes and prompts whether to save the parameter into shortcut menu Press ENTER key for confirmation the display stops flashing and the operation is completed Press PRG key to cancel the display stops flashing and the operation is cancelled 2 Modification of shortcut parameters Run or Stop Display QUICK ZN PN gt gt gt 50 00 u FO 12 Li F1 04 L1F 5 06 l l o QUICK KG Ne QUICK ENTER ENTER F p c y u F5 06 1 o l QUICK Fig 4 5 Example of
35. 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 15 Safety and Precautions MD320 MD320N User Manual 16 2 Product Information Product Information MD320 MD320N User Manual Chapter 2 Product Information 2 1 Designation Rules MD320N T 0 7 GB Inverter Series Brake Unit ie Including Brake Unit Gerneral Type P Fan Pump Type Voltage Level S Single Phase 220 T Three Phase 380 Adaptable Motor Power Corresponding Relationship ar 04 ae is Fig 2 1 Designation Rules Caution The MD320N series is an upgrade of the MD320 series in terms of external appearance and structural design Except for special notes on the MD320N all the following information is appropriate for the MD320N series of products 2 2 Nameplate MODEL MD 320NTO 7G POWER 0 75kW INPUT 3 PH AC380V 3 4A 50Hz 60Hz OUTPUT 3PH ACOV 2 3A 0Hz 300Hz SIN Shenzhen Inovance Technology Co Ltd Fig 2 2 Nameplate 18 MD320 MD320N User Manual Product Information 2 3 MD320 Inverter Series Table 2 1 MD320 Inverter Model and Technical Data Power Input Output Adaptable Motor Inverter model capacity current current kW KVA A
36. and is associated with the system 37 Product Information MD320 MD320N User Manual inertia speed down time and energy of potential load Thus the user needs to select based on the actual needs The higher the system inertia the shorter the speed down time required and more frequent the brake is and then it needs to select higher power and lower resistance vlaue for the brake resistor 2 10 1Selection of resistance vlaue Renewable electric energy consumption is almost the braking resistor when braking According to the formula U U R Pb U refers to stable Braking system of Brake voltage Different system has different brake voltage Generally select 700V for the system 380VAC Pb represents the Braking power 2 10 2 Selection of Braking Resistor Power Theoretically braking resistor power is consistent with braking Power According to the formula braking power 0 7 Pr Pb D Pr refers to the resistor power D refers to braking frequency Which is the regeneration process in the proportion of the entire working process For example the braking frequency of elevator is between 20 30 the winding and unwinding is between 20 30 The centrifuge is between 50 60 Occasional brake load is 5 The General selection is 10 Table 2 7 MD320 Inverter Bake Components Prototyping Table EE Recommended Uivelsel Power of Brake Ne Braking Unit Model Value of Brake Resistor Resistor MD320S0 4 gt 2000 MD320S0 7 gt 1500 Bu
37. be stopped by pressing the STOP key When the tuning is completed the value of F1 11 will automatically restore to 0 Caution Tuning is active only in the keyboard control mode It is recommended that the acceleration deceleration time adopt the factory default value Group F2 Vector Control Parameters Group F2 function code is active only for the vector control That is to say when FO 01 0 or 1 it is active and when FO 01 2 it is inactive Speed loop proportional gain 1 Factory default value Setup range 0 100 Speed loop integration Factory default value 0 50s F2 01 time 1 Setup range 0 01s 10 00 s Switching frequency 1 Factory default value 5 00Hz Setup range 0 00 F2 05 Speed loop proportional gain 2 Factory default value Setup range 0 100 Speed loop integration Factory default value 1 00s time 2 Setup range 0 015 10 00s Switching frequency 2 Factory default value 10 00Hz Setup range F2 02 maximum frequency F2 00 and F2 01 are PI adjustment parameters when the running frequency is lower than switching frequency 1 F2 02 F2 00 and F3 01 are PI adjustment parameters when the running frequency is higher than switching frequency 2 PI parameter of frequency channel between the switching frequency 1 and switching frequency 2 is linear switching between two groups of PI parameters as shown in the figure below 104 MD320 MD320N User Manual Parameter Description PI Parameter F2 00 F2 01 F
38. before the motor 1 The inverter has overload protection function for the motor Refer to F9 01 for the protection value Factory default value The motor overload protection is inverter time lag curve 220 x F9 01 x rated motor current one minute 150 F9 01 x rated motor current 60 minutes 137 Parameter Description MD320 MD320N User Manual Motor overload pre warning Factory default coefficient The reference for this value is the motor overload current When the inverter Setup detects that the output current reaches range 50 100 F9 02 x motor overload current and lasts time as specified by the reverse time lag curve it outputs pre warning signal from DO or relay Factory default 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 0 to 100 no stall over should be small Otherwise the dynamic response of the system will be slow voltage For the load with large inertia the value should be large Otherwise the suppressing result will be poor and over voltage fault may occur Factory default value Select the protection point for function of stall over voltage When the 120 to 150 value is exceeded the inverter starts executing the protection function for stall over voltage 138 MD320 MD320N User Manual Parameter Description
39. compatible PROFIBUS DP bus insoprs PROFIBUS DP bus interface with the terminal card interface DeviceNet bus card MD32DCT DeviceNet bus interface CANopen bus card MD32CAN CANopen bus interface 33 MD320 MD320N User Manual 15V power supply Product Information Common PG card 1 MD32PG Rotary encoder interface card Rotary encoder interface card with Common PG card 2 te frequency division output MD32PGD MD32PG3 MDKE It is applicable to the differential mode encoder Long cable drive PG External LED operation panel External LED display and operation keyboard push pull or open collector output encoder is adaptable It is applied in the situation with synchronous motor and induction motor close loop control MD series general purpose RJ45 interface External LCD MD32KC External LCD display and RJ45 interface operation panel operation keyboard Parameter copy unit Parameter copy MDCP MD32EPS MDCAB MFRU MF32STC1 EPS commercial power synchronization card EPS mains synchronization Standard 8 core network cable and it can be connected with MDKE MD32KC and MDCP Extended cable It is used when the inverter shares the bus and has energy saving function Rectifier unit When the inverter stops driving the motor and the motor is in coast to stop status it can acquire the rotation speed and rotation direction through the combination of this hardware circuit and sof
40. eolo frise 25 1 ms 50 MD320 MD320N User Manual Mechanical and Electric Installation a a a Largest Cable Size of Power Torque Terminal M4 Screw hole kgfom sees m awe T3 7G 4 0 12 1440 5 M5 Screw hole N R S T a U V W PB T5 5G 7 5P 4 0 12 14 0 5 EEE UNE EE ENE Largest Cable Size of Power Torque M5 Screw hole apps Termina 10mm 12mm oel o Abed pp He gi T7 5G 11P 2 2 T11G 15P T15G 18 5P Fig 3 7Diagram for Driver main circuit power terminal M6 Screw hole 1 Instructions of main circuit terminals of single phase inverter Input terminal of single As 2 single phase 220V power connection point phase power supply Negative and positive Shared DC Bus input point terminals of DC bus Connecting terminal of PB Connect the brake resistor brake resistor Output terminal of
41. 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 Service Hotline 400 777 1260 P C 518101 Website www inovance cn Fa Product Warranty Card Inovance Add of unit Name of unit Contact person Customer information Product model Body barcode Attach here Product information Name of agent Attach here Maintenance time and content Failure information Maintenance personnel
42. from OHz to the maximum output frequency FO 10 The Jog speed down time means the time required for the inverter to decelerate from the maximum output frequency FO 10 to OHZ Factory default Speed up time 2 20 00s value Setuprange range 0 Os 6500 0s Factory default Speed down time 2 20 00s F8 04 value Setup range 0 0s 6500 0s Factory default Speed up time 3 value Setup range 0 0s 6500 0s Factory default Speed down time 3 20 00s F8 06 value Setup range 0 0s 6500 0s 132 MD320 MD320N User Manual Parameter Description Factory default Speed up time 4 20 00s F8 07 value Setuprange range 0 0s 6500 0s Factory default Speed down time 4 20 00s F8 08 value Setup range 0 0s 6500 0s Speed up speed down time can select F0 17 and FO 18 and above three types of speed up speed down time Their meanings are the same and refer to FO 17 and FO 18 for the relevant descriptions It can select speed up speed down time 1 to 4 during the inverter running process via the different combination of multifunctional digital input terminal DI Please refer to F4 01 to F4 05 Factory default Skip frequency 1 0 00Hz F8 09 value Setup range 0 00Hz maximum frequency Factory default Skip frequency 2 0 00Hz value Setuprange range 0 00Hz maximum frequency Skip frequenc Factory default ste 0 00Hz a 1 value Setuprange range 0 00 maximum frequency When the setup frequency is withi
43. is in the standby status When the forward rotation and reverse rotation is being switched each other the start frequency retention time is inactive The retention time is not included in the acceleration time but in the running time of simple PLC Example 1 F0 03 0 Frequency source is digital reference F0 08 2 00Hz Digital setup frequency is 2 00Hz F6 03 5 00Hz Start frequency is 5 00Hz F6 04 2 0s Start frequency retention time is 2 0s At this time the inverter is in the standby status and the output frequency of the inverter is OHz Example 2 F0 03 0 Frequency source is digital setup F0 08 10 00Hz Digital setup freqeuncy is10 00Hz F6 03 5 00Hz Start frequency is 5 00Hz F6 04 2 0s Start frequency retention time is 2 0s At this time the inverter accelerates to 5Hz and further to reference freuqency of 10Hz in 2s 125 Parameter Description MD320 MD320N User Manual DC brake current at start Factory default 0 o value Setup range 0 100 Factory default DC brake time at start 0 0s value Setup range 0 0s 36 0s DC brake at start s generally used when the motor is restarted after it stops completely If the start mode is direct start the inverter firstly performs DC brake in accordance with the DC brake current at start and then start running after the setup DC brake time at start If the DC brake time is set to 0 the inverter directly starts without passing through the DC brake The higher the DC b
44. is selected Constant torque load Most of loads have constant toque characteristics but the requirements for rotation speed and dynamic 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 The controlled object has certain dynamic and static index requirements This kind of load requires harder mechanical characteristics at low speed in order to satisfy the dynamic and static index requirements of the process for the control system It can select SVC control mode The controlled object has higher dynamic and static index requirements It can employ VC control mode in applications where the requirements for speed adjustment precision and dynamic performance index are relatively high and there is high precision synchronous control Elevator paper making and plastic thin film processing product line are the examples 2 10 Guide to Prototyping of Brake Components Table 2 5 Inverter Bake Components Prototyping Table provides data for reference and the user can select different resistance and power according to the actual needs but the resistance shall not be lower than the recommended value and the power may be higher than the recommened value The selection of brake resistor shall be determined in accordance with the power generated by the motor in the actual application sytem
45. model Radiator temperature of Factory default value rectifier module F7 08 Display the temperature of inverter module IGBT and the Setup range 0 0 C 100 0 C over temperature protection value of the inverter module IGBT varies with the model a running a Factory default value Oh ime Display the accumulated running time of the inverter till now When this time reaches the Setup range Oh 65535h setup running time F8 17 the multifunctional digital output of the inverter DO and F5 04 performs action Software version No 1 Factory default value Management software version No of Setup range the control board 131 Parameter Description MD320 MD320N User Manual Software version No 2 Factory default value F7 11 Software version No of the motor Setup range control board Group F8 Auxiliary Function Jog running Factory default 2 00Hz F8 00 E value Setup range range 0 00Hz maximum frequency Factory default Jog speed up time 20 00s value Setup range range 0 00s 6500 0s Factory default Jog speed down time 20 00s value Setup range 0 00s 6500 0s It is used to define the reference frequency and speed up speed down time of the inverter when jogging The Jog process is started and stopped according to the start mode O F6 00 direct start and the stop mode 0 F6 10 speed down time to stop The Jog speed up time means the time required for the inverter to accelerate
46. of customers this series does not use multiple products which add external manufacturing sales user and maintenance costs but instead creates a modular design based on the specific needs of the customer resulting in a customized platform that incorporates a single series of products that are a multi module assemblies MD series inverter creates three new concepts in the future inverter sector 1 It creates the three layer modular structure standard of new generation of inverter Refer to Figure 1 for the comparison between traditional inverter and MD series modular inverter 2 It creates the physical standard for dividing the customer requirements according to such main modules as motor drive module general functional module and specialized functional module as well as various sub modules Refer to Figure 2 for the schematic diagram for the modular structure of MD series inverter 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 Specialized Industrial Module ee Module 1 Traditional Inverter Genera Purpose Module lt f Middle layer Module High Performance Motor Control Module lt 4 Bottom layer Module gt om eo ow ow ow ow ow ow oe Fig 1 Comparison between Traditional Inverter and MD Series Modular Inverter
47. 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 detection line employ shielded cable and the shielding layer shall be earthed reliably 7 3 4 Handling method for the interferences of inverter on the surrounding equipment These interferences include two types one is radiation interference of the inverter and the other is conduction interference of the inverter These two types of interferences cause the surrounding electric 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 the measuring meters receivers and sensors their signals are generally weak If they are placed nearby the inverter or together with the inverter in the same control cabinet they are easy to suffer interference and thus generate error actions It is recommended to handle with the following methods Put in places far away from the interference source do not arrange the signal cables with the power cables in parallel and never bind them together both the signal cables and power cables employ shielded cables and are well earthed install ferrite magnetic ring with suppressing frequency of 30 to 1 000MHz at the output side of the inverter and wind it
48. range default 0 No function 1 Forward rotation FWD 2 Reverse rotation REV 3 Three line mode running control 4 Forward rotation Jog FJOG 5 Reverse rotation Jog RJOG 6 Terminal UP 7 Terminal DOWN 8 Coast to stop 9 Fault reset RESET 10 Pause 11 External fault normally open input 12 MS speed terminal 1 13 MS speed terminal 2 14 MS speed terminal 3 15 MS speed terminal 4 16 Speed up Speed down selection terminal 1 17 Speed up Speed down selection terminal 2 18 Main frequency source switching 19 UP and DOWN setup clear terminal and keyboard Modification description MD320 MD320N User Manual Function Parameter Table Factory cae Function j Modification LED display Set range default Dax code description 20 Running command switching terminal 21 Acceleration deceleration inactive22 PID Pause 23 PLC status reset 24 Swing frequency pause 25 Counter input26 Counter reset27 Length count input28 Length reset29 Torque control inactive30 PULSE pulse frequency input enabled only for DI5 31 Reserved32 DC brake command33 External fault normally closed input34 Frequency setup enabled terminal this terminal is enabled by default If this terminal D20 terminal i P Tangan is an ae ene meg time of modification will be selection DI10 terminal controlled by this enabled 1 on I O selection terminal when performing epee frequency modification 35 PID ey a
49. short circuit bus between the terminals P and of the main circuit of the inverter and then connect the DC reactor between P and There is no polarity between the reactor terminal and the inverter terminals P and After the DC reactor is mounted the short circuit bus between P and will not be used 2 6 Optional Parts If the user needs such optional parts please specify when placing the order Table 2 6 MD320 Inverters Optional Parts The letter B attached Built in brake unit behind the product model Single phase slave built in brake unit of 0 4KW 2 2kW standard Three phase slave built in brake unit of 0 75kW 15kW standard Built in brake unit of 18 5kW to 30kW optinal If 75kW or above is required it can employ the parallel mode External brake unit MDBU External brake unit of over 37kW The inverter is energy saving il MDFB product which can feed the electric energy back to AC power grid It can realize constant pressure water supply system with multi Multi pump water MD32WS pump water supply system and Built in clock supply control card has multiple optional water supply modes as well as standby function and fire control function It can add five digital inputs one It i t I O expansion card MD3210 pane pa Hk output one digital output and one analog signal output MODBUS RS485 communication interface Communication MD32MBS and RS232 communication card interface SDP RJ45 is
50. speed loop Factory default value F2 07 filter Setup range 0 000s 0 100s 105 Parameter Description MD320 MD320N User Manual 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 increased in case of huge speed fluctuation In case of oscillation of motor this parameter shall be reduced properly The time constant of speed loop filter is low and the output torque of the inverter may vary greatly but the response is quick co Torque control Factory default value a ae Inactive Setup range pe Enabled 0 Torque control is inactive and the inverter performs command speed control In case of speed control the inverter outputs frequency in accordance with the setup frequency command and the output torque automatically matches the load torque but the output torque is limited by the torque upper limit refer to F2 09 and F2 10 When the load torque is higher than the setup torque upper limit the output torque of the inverter is limited and the output frequency will be different from the setup frequency 1 Torque control is enabled and the inverter performs torque control In case of torque control the inverter outputs torque in accordance with the setup torque command and the output frequency automatically matches the load speed but the output frequency is limite
51. the frequency upper limit and frequency lower limit it outputs ON signal When the torque limiting function is enabled the stall protection function is automatically enabled and the output frequency is automatically changed Meanwhile it outputs ON signal indicating that it is outputting torque limit This output signal can be used to reduce load or display overload status signal on the monitoring device Torque limiting 121 Parameter Description MD320 MD320N User Manual Seite puncton Deseripton OOO value When the main circuit and control circuit power supply are connected the inverter protection function is inactive and the inverter is in running status it output ON signal Ready for running When the analog input Al1 value is higher than Al2 value it gt en outputs ON signal Frequency upper limit arrival When the running frequency reaches frequency upper limit it outputs ON signal Frequency lower limit arrival Under voltage When the inverter is in under voltage status it outputs ON status output signal Communication Refer to the communication protocol for relevant descriptions FMR output selection Pulse Factory default When the running frequency reaches frequency lower limit it outputs ON signal output terminal value A01 output selection Analog Factory default output terminal 1 value A02 output selection Analog Factory default output terminal 2 value The sta
52. with short circuit copper bar power When it needs external power supply OP terminal of IO shall be connected with the external power port supply and the short circuit copper bar shall be removed Power supply 1 Input voltage range DC OV to 10V 4mA to 20mA which is determined by JK3 jumper on the expansion card the factory default value ee AI3 GND rs is OV to 10V p 2 Input impedance It is 100kQ at the time of voltage input and 5000 at the time of current input Functional ai ca isolation compatible with aigra input 2 Input impedance 3 3Kw terminal 3 Voltage range for level input 9V to 30V DI10 COM r The voltage or current output is determined Analog by the JK4 jumper on the expansion card the Analog out AO2 GND output 2 factory default value is voltage output Output voltage specification OV to 10V Output current specification OmA to 20mA 184 MD320 MD320N User Manual Appendix Type Ve El Vet El Function description yP Symbol name P Digital DO2 CME Digital output output 2 Normally closed terminal P A P B P A PIC Relay output RELAY 2 Normally open terminal Communi cation terminal Communi cation Auxiliary interface Control panel interface Optical coupling isolation dual polarity open collector output Output voltage range OV to 24V Output current range OmA to 50mA Caution The digital output ground CME and digital input ground COM are internally iso
53. with the command source selection That is to say the reverse control function is inactive at the time of keyboard terminal and communication controls Setup frequency lower than frequency lower limit Factory default value oo Run with frequency lower limit Running with zero speed It is used to select the running status of the inverter when the setup frequency is lower than the frequency lower limit action In order to avoid that the motor always runs with low speed it can use this function to stop Factory default Droop control 0 00Hz value Setup range 0 00Hz 10 00Hz 134 MD320 MD320N User Manual Parameter Description When multiple inverters drive the same load the unbalanced load distribution due to difference speed causes the inverter with faster speed to carry heavier load The droop control characteristics cause the speed droop change along with the addition of load which can lead to balanced load distribution This parameter is used to adjust the frequency change value of the inverter with droop speed Factory default Over modulation active value Setup range ka Over modulation inactive Over modulation enabled Over modulation function means that the inverter can improve the output voltage by adjusting the use ratio of the bus voltage when the input voltage is relatively low or the inverter always works under heavy load When the over modulation is enabled the output current harmonics will slightly i
54. 0 0s h 6553 5s h Speed up speed down time of second segment of PLC Factory ENE Setup range O43 Third segment running time of PLC Factory default value 0 0s h Setup range 0 Os h 6553 5s h Third segme nt speed up speed down time of PLC Factory default value Fourth segment running time of PLC Setup range 0 Os h 6553 5s h Speed up speed down time of Fourth segment of PLC Fifth segment running time of PLC Factory default value 0 Os h Setup range 0 Os h 6553 5s h Speed up speed down time of fifth segment of PLC Factory default value Setup range 0 3 Factory default value 0 0s h MD320 MD320N User Manual Parameter Description Sixth segment running time of PLC Factory default value 0 0s h Setup range 0 Os h 6553 5s h Speed up speed down time of sixth segment of PLC Faciory Me ET Setup range 0 3 Seventh segment running time of PLC Factory default value 0 0s h Setup range 0 0s h 6553 5s h Speed up speed down time of seventh segment of PLC Factory default value po Setup range 0 3 Eighth segment running time eas of PLC Factory default value 0 Os h Setup range 0 Os h 6553 5s h Speed up speed down time of eighth segment of PLC Ea Setup range OS Ninth segment running time Factory 0 0s h of PLC default value Setup range 0 Os h 6553 5s h Speed up speed down time of of PLC de even Tenth segment running time of PLC Factory default value Setup range 0 0 s h 65
55. 2 03 F2 04 F2 02 F2 05 Frequency Command Fig 6 2 Schematic diagram of PI parameter The speed dynamic response characteristics of the vector control can be adjusted by setting the proportional coefficient and integration time of the speed regulator Increasing the proportional gain or reducing the integration time can accelerate the dynamic 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 subject 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 Caution Improper PI parameter setting may cause too large speed overshoot Voltage fault may occur when the overshoot drops Slip compensation Factory default value coefficient Setup range 50 200 For the speed sensorless vector control this parameter is used to adjust the speed stabilizing precision of the motor When the speed is too low due to heavy load of motor this parameter needs to be enlarged or this parameters needs to be reduced For the speed sensor vector control this parameter can adjust the output current of the inverter carrying the same load Time constant of
56. 2 a running time of PLC LED display Second segment speed up speed down Third segment time Third segment speed up speed down Forth segment time Four segment speed up speed down Fifth segment time Fifth segment speed up speed down time Sixth segment time Sixth segment speed up speed down time Seventh segment time Set range 0 0s h 6553 5s h 0 0s h 6553 5s h 0 0s h 6553 5s h 0 0s h 6553 5s h 0 0s h 6553 5s h Function Parameter Table Factory default value 0 15 0 0s Ch Ch 0 15 0 0s Ch Ch 1 1 1 0 15 0 0s h Ch 1 1 Modification description 0 15 0 0s h Ch 0 1s 0 0s Ch Ch 89 Function Parameter Table Function code Seventh segment FC 33 speed up speed down time selection of PLC Eighth segment FC 34 oe running time of PLC Eighth segment speed up poss SPASE speed down time selection of PLC Ninth segment FC 36 er running time of PLC Ninth segment speed up FC 37 speed down time selection of PLC Tenth segment FC 38 ae running time of PLC Tenth segment speed up pose TT speed down time selection of PLC Eleventh segment FC 41 running time of PLC 90 LED display Seventh segment J 0 3 speed up speed down Eighth 0 0s h 6553 5s h segment time Eighth segment speed up speed down Ninth 0 0s h 6553 5s h segment time N
57. 20T18 5PB MD320T18 5G MD320T22P MD320T22G MD320T30P MD320T30G MD320T37P MD320T37G MD320T45P MD320T45G MD320T55P MD320T55G MD320T75P MD320T75G MD320T90P MD320T90G MD320T110P MD320T110G MD320T132P MD3201132G 449 905 880 930 579 375 p10 90 MD320T160P MD320T160G MD320T200P MD320T200G MD320T220P MD320T220G MD320T250P 420 1030 983 1060 650 377 p12 130 MD320T250G MD320T280P MD320T280G MD320T315P 235 447 430 460 285 220 6 5 20 250 598 573 620 380 262 p10 34 343 678 660 700 473 307 p10 47 Zid Product Information MD320 MD320N User Manual Mounting Diameter of Physical Dimensions mm iah Model Hole mm Mounting oe Hole mm A B H H1 W D MD320T315G MD320T355P MD320T355G 4 14 200 MD320T400P 520 1300 1203 1358 800 00 Q MD320T400G MD320T450P MD320 7T132GH MD320 7T160PH MD320 7T160GH MD320 7T200PH MD320 7T200GH 1 10 90 MD320 7T220PH 320 1166 1090 1192 440 310 Q MD320 7T220GH MD320 7T250PH MD320 7T250GH MD320 7T280PH MD320 7T280G MD320 71T315P MD320 7T315G MD320 7T355P MD320 7T355G MD320 7T400P MD320 7T400G MD320 7T450P MD320 7T450G MD320 7T500P MD320 7T500G MD320 7T560P MD320T110GH MD320T132PH MD320T132GH MD320T160PH MD320T160GH MD320T200PH 420 1030 983 1060 650 377 p12 130 520 1300 1203 1358
58. 320N User Manual Chapter 4 Operation and Display 4 1 Introduction to Operation and Display Interface With the operation panel it can perform such operations on the inverter as function parameter modification inverter working status monitoring and inverter running control startup and stop Refer to Fig 4 1 for the physical appearance and functional zone of the operation panel Function indicator Q Q Q Q RUN LOCAL REMOT FWD REV TUNE TC Digital display 7 Unit indicator RMP 5 2 Program key Enter data confirm key Quick key Shift key Stop key Run key Reset key Digital modification ke Multifunction selection Key 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 in rotation status LOCAL REMOT It is the LED indictor for keyboard operation terminal operation and remote operation communication control When it is OFF it indicates the keyboard operation control status when it is ON it indicates the terminal operation control status when it flashes it indicates the remote 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
59. 5 character time Slave addr Communication addr 1 to 247 Command Code 03 Read slave parameters 06 Write slave parameters DATA N 1 DATA N 2 Data Function code paameter address the number of function Ne code parameter Function code parameter etc DATAO 190 MD320 MD320N User Manual Appendix CRC CHK High Order Detection Value CAC value CRC CHK Low order Command code 03H reads N words There are 12 characters can be read at the most For example The inverter start address F002 of the slave 01 continuously reads two consecutive values Master command information Regier Numertow ower SH CRC CHK Low order CRC CHK values are to be calculated CRCCHKhigh order CHK CRCCHKhigh order order Slave responding information When FD 05 set to 0 oe CHK low order CRC CHK values are to be calculated CRC CHK CRC CHK high order order When FD 05 set to 1 191 Appendix MD320 MD320N User Manual CRC CHK low order CRC CHK values are to be calculated CRCCHKhigh order CHK CRCCHKhigh order order Command Code 06H write a word For example Write 5000 1388H into FOOAH which slave address is 02H Master command information ata contntnichorter SH mm CHK low order CRC CHK values are to be calculated CRC CHK CRC CHK high order order Slave responding information CRC CHK low order CRC CHK values are to be calculated CRC CHK high order CHK CRC CHK high
60. 53 5s h Speed up speed down time of tenth segment of PLC Factory default value Eleventh segment running time of PLC Factory default value 0 0s h Setup range 0 Os h 6553 5s h Speed up speed down time of eleventh segment of PLC Fade valus Twelfth segment running time of PLC Factory default value Setup range 0 0s h 6553 5s h 151 Parameter Description MD320 MD320N User Manual FC 47 FC 48 FC 49 FC 50 152 Speed up speed down time of twelfth segment of PLC Factory default value 0 Setup range Ors Thirteenth segment running time of PLC Factory default value 0 0s h Setup range 0 Os h 6553 5s h Speed up speed down time of thirteenth segment of PLC Ka QETE Setup range Urs Fourteenth segment running time of PLC Factory default value 0 0s h Setup range 0 Os h 6553 5s h Speed up speed down time of fourteenth segment of PLC Factory default value Setup range Ors Fifteenth segment running time of PLC Factory default value 0 0s h Setup range 0 0s h 6553 5s h Speed up speed down time of fifteenth segment of PLC PACOY OE RU PLC Running Time Unit Factory default value Selection MD320 MD320N User Manual Parameter Description Group FD Communication Parameters Refer to MD320 Serial Communication Protocol for details Group FF Factory Parameters Reserved Group FP User Password Setup range 0 to 65535 Any non zero number can be set and then the password protection fu
61. C 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 156 MD320 MD320N User Manual EMC Guide 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 3 Itis 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 to employ twisted pair shielded control cables and the shielding layer shall be earthed reliably 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 equipment on the inverter The electromagnetic interference on the inverter is generated because plenty of relays contactors and electromagnetic 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
62. G A 1 Model and Specifications A 1 1 Model Shenzhen Inovance Technology Co Ltd provides two kinds of PG card matching the MD320 inverter Refer to Appendix A Table 1 PG Card Model Description for details Appendix A Table 1 PG Card Model Description Model Function MD32PG Rotary encoder interface card MD32PGD Rotary encoder interface card with frequency division output A 1 2 Technical Specification Appendix A Table 2 PG Card Technical Specification Response Output Output red ae division speed Impedance current PG Sncoder COM power supply PGA Encoder OkHz PGB signal access 80kHz oe io ee heel collector MOGA chal OUT B g 80kHz number output output A 1 3 Dimensions and Installation Appendix A Fig 1 PG Card Installation 176 MD320 MD320N User Manual Appendix Toggle Switch 45 J 60 Paa Pao JO WO NO DU Of Qf Op O Wh 62 Appendix A Fig 2 PG Card Dimension PGA PGB OLO OUT A OUT B COM 15PG PE OOC OOO Appendix A Fig 3 PG Card Terminal Definition A 2 Instruction for use A 2 1 Function It must select PG card when the user has needs for speed sensor vector control The standard con
63. Jog DI3 terminal function Factory default value 9 fault reset selection DI4 terminal function Factory default value 12 MS speed 1 selection MD320 MD320N User Manual Parameter Description DI5 terminal function Factory default value 13 MS speed 2 selection DI6 terminal function Factory default value selection DI7 terminal function Factory default value selection DI8 terminal function Factory default value selection DIS terminal function Factory default value selection DI10 terminal function Factory default value selection This parameter is used to set the functions of the multifunctional digital input terminals Setu Description value Even when there is signal input the inverter still has no action The no operation function can be No function l set on the unused terminals so as to prevent error action Forward rotation FWD Control the forward rotation and reverse rotation Pa Reverse rotation REV of the inverter via the external terminals 2 This terminal is used to confirm that the inverter Three line mode running running mode is three line control modeFor control detailed description please refer to F4 11 three line control mode function code Forward rotation Jog FJOG refers to Jog forward rotation while RJOG FJOG refers to Jog reverse rotation For details regarding 1 3 5 RJOG frequency and Jog acceleration deceleration time Reverse rotation Jog l
64. MD320 MD320N User Manual Preface Preface Thank you for purchasing MD320 MD320N series inverters This instruction manual describes how to properly use MD320 MD320N series inverter Please read the instruction manual carefully before using Before installation operation maintenance and inspection Besides please use the product after understanding the safety precautions Precautions The drawings presented in this instructions are sometimes shown without covers or protective guards Always replace the equipment s cover or protective guard as specified first and the operate the products in accordance with the instructions The drawings presented in the instructions are typical examples and may not match the product you received These instructions are subject to change due to product improvement specification modification specification modification If you want to order the manual due to loss or damage please contact our company agents in each region or our company customer service center directly If there is still any problem during using the product please contact our company customer service center directly Our Service Hotline 400 777 1260 Preface MD320 MD320N User Manual Introduction The MD series of frequency converters is a new generation of modular high performance frequency converters that represent the future of inverters Compared with traditional inverters in meeting the performance and function demands
65. Rotation COM Digtal public terminal Po fa Sop i 0 Fig 6 6 Three line Running Mode 2 2 Three line running mode 1 In this mode Din is enabled terminal and the direction is controlled by FWD and REV respectively However the pulse is enabled through disconnecting the signal of Din terminal when the inverter stops Where MD320 O FWD Digital input terminal C Din Three line mode running control terminal a REV Digital input terminal COM Digital public terminal Fig 6 7 Three line Running Mode 1 SB1 Stop button SB2 Forward rotation button SB3 Forward rotation button Din is multifunctional input terminals of DI1 to DI5 DI1 to DI10 if multifunctional input and output expansion card is selected In this way it shall define the corresponding terminal functions as No 3 function Three line Mode Running Control 3 Three line running mode 2 In this mode Din is enabled terminal and the running command is given by FWD while the direction is determined by the status of REV Stop command is performed through disconnecting the Din signal 116 Running Direction Selection set K J REV Digital input terminal 1 Reverse Rotation MD320 O FWD Digital input terminal i r Din Three line mode running control terminal Forward Rotation COM Digital public terminal Fig 6 8 Three line Running Mode 2
66. Solution MD320 MD320N User Manual Acceleration over Voltage ErrQ5 Yes If the input voltage is too high gt Adjust the voltage to normal range d If de ale ss ee Yes Remove the external forces de Be PIG d or install brake resistor the acceleration I No Yes 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 ERR05 Prolong the acceleration time Install brake unit and brake resistor 164 MD320 MD320N User Manual Fault Diagnosis and Solution Deceleration over voltage Yes If the input voltage is too high omme je Adjust the voltage to normal range Fa fthere are external forces driving the motor to run during the acceleration process If the deceleration time is too short N 0 If the brake resistor are installed Ask for technical support Fig 8 6 Deceleration over voltage ERRO6 Yes Remove the external forces or install brake resistor aoe Prolong the acceleration time or install the brake resistor No install the brake resistor Constant over voltage ErrO7 Yes If the input voltage is too high _ Adjust the voltage to normal range i No If there are external forces driving the Yes Remove the external forces motor to run during the running process or install brake resistor No Ask for technical support Fig 8 7 Con
67. Toggle Description Frequency division ee ee op000 no nooutput A 2 3 Principle Schematic Diagram 1 Schematic Diagram for Encoder Interface Pp Appendix A Fig 4 Schematic Diagram for Encoder Interface 178 MD320 MD320N User Manual Appendix 2 Schematic Diagram for Frequency Division Interface Frequency division Hv Schematic Diagram I I I I l Sy l I l I a1 COM i Appendix A Fig 5 Schematic Diagram for Frequency Division Interface A 2 4 Precautions de The PG card signal cables and the power cables shall be arranged separately and parallel wiring is not allowed To avoid interferences on the encoder signal please select the shielded cable as the PG card signal cable The shielding layer of the shielded cable of the encoder shall be earthed e g the PE end of inverter and must be earthed at single end so as to avoid interferences on the signal The length of shielded cable of the encoder shall be less than 80 meters If the frequency division output of the PG card is connected to external user power supply the voltage shall be less than 30V or it will damage the PG card A 3 Application Connection 1 Schematic Diagram for the Connection of Collector Output Encoder 19 Appendix MD320 MD320N User Manual PG Card 54 Open collector output code snielded ca Appendix A Fig 6 Schematic Diagram for the Connection of Collector Output Encode
68. U V W inverter Output terminal Connect the three phase motor of inverter Earth terminal Earth terminal 2 Description of main circuit terminals of three phase inverter ol Mechanical and Electric Installation MD320 MD320N User Manual Input terminal of three phase power AC input single phase power connection point supply Negative and positive Shared DC bus input point connection point of terminals of DC bus external brake unit of more than 37kW Connecting terminal Connection point of Brake resistor of less than of brake resistor 30kW Connection terminal l l Connection point of external reactor of external reactor Output terminal of Connect the three phase motor inverter Earth terminal Earth terminal 1 Precautions on Wiring A Input power L1 L2 or R S and T The cable connection at the input side of the inverter has no phase sequence requirement B DC bus and terminals Note that the and terminals of DC bus have residual voltage right after power on It needs to wait until the CHARGE indictor is OFF and make sure that the voltage is less than 36V prior to wiring connection Otherwise there may be danger of electric shock When selecting external brake unit for the inverter of more than 37kW the poles of and shall not be connected reversely or it may damage the inverter and even cause fire The wiring length of the brake unit shall not exceed 10 meters Twisted wires
69. al I I I I I Fig 8 11 Phase loss at input side ERR12 167 Fault Diagnosis and Solution MD320 MD320N User Manual Phase loss failure at the output side Err 13 No gt Perform troubleshooting Check if the cable connecting the inverter to the motor is normal Yes Check if the three phase output of theunning inverter without motor is balanced Yes Check if the three phase winding of the motor is Ask for technical support normal No A lt Check if the drive board is nomal gt Replace the drive board H Yes a Check if the module is normal _ gt Replace the module JE EE Fig 8 12 Phase failure at output side ERR13 Module over heat Errl4 Yes If the ambient temperature is too high Reduce the ambient temperature No EE Yes If the air duct is blocked Clean the air duct No Yes If the fan is broken Replace the fan Ask for technical support EE ee EE EE EE 1 Yes i Replace the thermal resistor i l Yes l If the inverter module is broken Replace the inverter module i Fig 8 13 Module overheating ERR14 168 MD320 MD320N User Manual Fault Diagnosis and Solution External equipment fault p Yes If it is stopped by pressing the STOP key Reset torun in the non keyboard opera
70. al Enclosure 44 MD320 MD320N User Manual Mechanical and Electric Installation 3 2 Electrical Installation 3 2 1 Guide to the external electrical parts Table 3 1 Guide to Prototyping of External Electrical Parts of MD320 Inverter Recommend Recomm Recomme f ed ended nded Circuit Recomm i Conducting Conducting Conducting Breaker ended Inverter Model Wire of Main Wire of Main Wire of MCCB Contactor ae En A A Circuit at the Circuit at the Control Input Side Output Side Circuit mm O N OT O T Ta N Oo O O O O O O O O T T T N N T N O O O OT OT O OT O oO O oO N O O on NO OT N OT 16 16 20 32 10 16 16 25 32 40 63 63 100 100 125 160 200 00 Oo N gt 2 gt A QD OT Mechanical and Electric Installation MD320 MD320N User Manual Recommend Recomm Recomme ed ended nded Circuit Recomm Conducting Conducting Conducting Breaker ended Inverter Model MCCB Conc Wire of Main Wire of Main Wire of A Circuit at the Circuit at the Control Input Side Output Side Circuit MD320T75G 90P 250 MD320T90G 110P 250 MD320T110G 132P 350 MD320T132G 160P 400 MD320T160G 200P 500 MD320T200G 220P MD320T220G 250P MD320T250G 280P 800 60 MD320T280G 315P 800 Caution The electrical installation of MD320N series is the same as MD320 series Table 3 2 Instruction for the Use of External E
71. arameter setting Group F menu operation is the same as that 4 5 Method of Viewing Status Parameter In stop or running status it can display multiple status parameters It can select whether to display the parameter through the function codes F7 04 running parameter and F7 05 stop parameter in accordance with the binary bits For the meanings of the binary bits refer to Chapter 6 F7 04 and F7 05 Function In the stop status there are totally sixteen stop status parameters for selection namely setup frequency bus voltage DI input status DO output status analog input Al1 voltage analog input Al2 voltage analog input Al3 voltage actual numerical value actual length PLC running step and six reserved parameters The displaying of the selected parameters may be switched by the button sequence In the running status five running status parameters are always displayed namely setup frequency bus voltage output voltage and output current and other sixteen parameters namely output power output torque DI input status DO output status analog input Al1 voltage analog input Al2 voltage analog input Al3 voltage actual numerical value actual length line speed PID setup PID feedback and four reserved parameters are displayed in accordance with the selection of F7 04 converted into binary system The displaying of the selected parameters may be switched by the button sequence 64 MD320 MD320N User Manual Operation and Dis
72. are interface 2 Transmission mode There provide asynchronous series and half duplex transmission mode At the same time just one can send the data and the other only receives the data between master and slave In the series asynchronous communication the data is sent out frame by frame in the form of message 3 Topological mode In Single master system the setup range of slave address is 0 to 247 Zero refers to broadcast communication address The address of slave must is exclusive in the network That is one condition of one slave machine 189 Appendix MD320 MD320N User Manual F 4 Protocol description C320 series inverter communication protocol is a kind of serial master slave communication protocol in the network only one equipment and master can build a protocol Named as Inquire Command Otherequipments slave s response Inquire Command of master only by providing the data or doing the action according to the master s Inquiry Command Here master is Personnel Computer Industrial Machine or Programmable logical controller and the slave is inverter Master not only visits some slave but also sends the broadcast information to all the slaves For the single master Inquiry Command all of slaves will return a signal that is a response for the broadcast information provided by master slave needs not feedback a response to master machine F 5 Communication data structure ModBus protocol communicati
73. channel i e frequency source switching from X to Y it is used in the same way as the main frequency source X When the auxiliary frequency source is used as overlap reference i e frequency source selection switching from X plus Y or X to X plus Y it has special points as follows 1 When the auxiliary frequency source is digital reference the preset frequency F0 08 has no action and it needs to adjust the main reference frequency through the keys A and Y of the keyboard or UP and DOWN of multifunctional input terminals 2 When the auxiliary frequency source is analog input reference Al1 Al2 and Al3 or pulse input reference 100 of input setup is relative to the auxiliary frequency source range refer to F0 05 and F 06 To adjust the main reference frequency it needs to set the corresponding setup range of analog input to n to n refer to F4 13 and F4 26 3 When the frequency source is pulse input reference it is similar to the analog value Prompt There is difference between the auxiliary frequency source Y selection and the main frequency source X setup value That is to say the main and auxiliary frequency sources cannot use the same frequency reference channel Auxiliary Frequency source Factory default value Y relative value selection FO 05 Relative to maximum frequency Setup Range 0 Relative to maximum frequency Relative to frequency source X Auxiliary Frequency source Facto
74. city P model 120 rated current 60s 150 rated current 1s Individualized function Torque hoist Automatic torque hoist manual torque hoist 0 1 to 30 0 Three types straight line multiple point and square type Speed up and Straight line or S curve speed up and speed down mode Speed down four kinds of speed up and speed down time speed up and curve speed down time ranges between 0 0s to 3000 0s DC brake DC brake frequency 0 00Hz to maximum frequency brake time 0 0s to 36 0s and brake current value 0 0 to 100 0 Jet ear Jog frequency range 0 00Hz to 50 00Hz jog acceleration 8 deceleration time 0 0s to 3000 0s Simple PLC and MS Speed Running Built in PID It is easy to realize process controlled close loop control system Auto voltage regulation AVR It can realize a maximum of 16 segments speed running via the built in PLC or control terminal It can keep constant output voltage automatically in case of change of mains voltage It can limit the torque automatically and prevent frequent over current tripping during the running process the close loop vector mode can implement torque control Torque limit and control al Product Information MD320 MD320N User Manual Peripherals self detection upon power on Shared DC Bus It can realize the function that multiple inverters share the DC Pr bus QUICK QUICK key The user can The user can freely define short cut menus The user can
75. ction code parameters pay attention to the scope of the parameters units and relative instructions Besides due to EEPROM be frequently stored it will reduce the lifetime of EEPROM In the communication mode and some function code needn t be stored as long as change the RAM value To achieve this function change high order F of the function code into zero Corresponding function code addresses are indicated below High byte 00 0F Low byte 00 FF For example Function code F3 12 can not be stored into EEPROM address indicates to be EEPROM This address can only act writing RAM it can not act reading when act reading it is invalid address Group FH function parameters Some models with extended function such as MD330 or the models with water supply card which increase group FH parameters the communication address of group FH parameter is DO non stored E0 stored For example FH 05 it indicates DOO5H or E005H FH 20 it indicates D014H or E014H Stop start parameter 194 MD320 MD320N User Manual Appendix os i SSCS Caution Communication setting value is the percentage of relative value and 10 000 correspond to 100 00 10000 correspond to 100 00 On the frequency dimension of the data the percentage is the percentage of relative maximum frequency F0 10 To the torque dimension data the percentage is relative twice percentage of the inverter rated torque Control command input to inverter writ
76. ction direction reverse terminal If this terminal is enabled PID action direction is opposite to the direction set in FA 03 36 External stop terminal When it is in the keyboard control mode this terminal can be used to stop which is similar to STOP key on the keyboard 37 Control command switching terminal 2It is used for the switching between the terminal control and communication control When this terminal is enabled if FO 02 is set to terminal control it will switch to the communication control and vice versa 75 Function Parameter Table MD320 MD320N User Manual Factory Er Function i Modification LED display Set range default ere code description value 38 PID integration pause terminal When this terminal is enabled the PID integration action pauses but the proportional adjustment and differential adjustment still has function switching terminal of frequency source X and preset frequency When this terminal is enabled the frequency source X can be replaced with preset frequency F0 08 40 switching terminal of frequency source y and preset frequency When this terminal is enabled the frequency source y can be replaced with preset frequency F0 08 DI terminal F4 10 DI filter time 1 10 1 4 Ww filter time 0 Two line mode 1 Terminal Terminal 1 Two line mode 2 command command 1 2 Three line mode 1 mode mode 3 Three line mode 2 Change rate Change rate of 0 01 of terminals terminal
77. ctual Deceleration Time tl t2 4 gt 4 gt Setting Acceleration Time Setting Deceleration Time Fig 6 1 Schematic diagram for acceleration deceleration time Pay attention to the difference between the actual acceleration deceleration time and the setup acceleration deceleration time 101 Parameter Description MD320 MD320N User Manual There are totally four groups of acceleration deceleration time for selection Group 1 F0 17 and FO 18 Group 2 F8 03 and F8 04 Group 3 F8 05 and F8 06 Group 4 F8 07 and F8 08 It can select acceleration deceleration time via the multifunctional digital input terminals F4 00 to F4 08 Group F1 Motor Parameters Motor type selection Factory default value 0 0 common asyachronousmotor Setup range Variable frequency asynchronous motor Permanent magnetic synchronous motor reserved Rated power Factory default value model dependent Setup range 0 4kW 1000 0kW Rated voltage Factory default value 380V Setup range OV 440V Rated current Factory default value model dependent Setup range 0 00A 655 35A Rated Frequentcy Factory default value model dependent 0 00Hz maximum frequency Rated rotation speed Factory default value 1460rpm Orpm 30 000rpm 1 Please set the parameters according to the nameplate parameters of the motor 2 It needs accurate motor parameters to ensure the excellent control performance of the vector control Accurate parameter i
78. d by the frequency upper limit refer to FO 12 When the load speed is higher than the setup frequency upper limit the output frequency of the inverter is limited and the output torque will be different from the setup torque In case of torque control the torque command is the torque upper limit and set by the torque upper limit source F2 09 It can perform switching between torque control and speed control via the multifunctional input terminals In case of torque control the output frequency of the inverter automatically tracks the change of the load speed but the change of the output frequency is affected by the setup acceleration deceleration time If it needs to quicken the tracking speed the acceleration deceleration time shall be shortened When the setup torque of the inverter is higher than the load torque the output frequency of the inverter will rise when the output frequency of the inverter reaches the frequency upper limit the inverter will keep running with the frequency upper limit When the setup torque of the inverter is lower than the load torque the output frequency of the inverter will fall when the output frequency of the inverter reaches the frequency lower limit the inverter will keep running with the frequency lower limit 106 MD320 MD320N User Manual Parameter Description Torque upper limit source Factory default value Oooo ofewn TE fm o 5 Communication setup Torque upper limit Fact
79. d metal powder 2 100mm Z a A a KN A A M Y 7 2 100mm 7 7 Single Unit Installation Diagram Installation Diagram of Upper and Down Parts When Single Unit Installation When the inverter power is not higher than 22kW the A size can be omitted When the inverter power is higher than 22kW the A size shall be higher than 50mm When Installation of Upper and Lower Parts When installing the upper and lower parts of the inverter the insulating splitter is required 42 MD320 MD320N User Manual Mechanical and Electric Installation aw Mounting Dimension Power Level 15 5av 200 Th Fig 3 1 MD320 Inverter Installation Diagram 3 1 2 Heat dissipation shall be taken into account during the mechanical installation Please pay attention the following items 1 2 3 4 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 installation is a better choice In applications where the upper and lower parts of the inverter need to be installed please refer to Fig 3 1 MD320 Inverter Installation Diagram and install an insulating splitter The mounting space shall be as indicated as the above figure so as to ensure the heat di
80. dard MODBUS protocol Setup range Standard MODBUS protocol FD 05 1 Select satandard MODBUS protocol FD 05 0 When reading the command the slave return is one byte than the standard MODBUS protocol s for details refer to communications Data Structure of this protocol 200 Zn Warranty Agreement Inovance 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 Card 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
81. dentification comes from the correct setting of the rated motor parameters 3 To ensure the control performance please carry out motor configurations in accordance with the standard adaptable motor of the inverter If there is huge difference between the motor power and the power of standard adaptable motor the control performance of the inverter will decrease obviously 102 MD320 MD320N User Manual Parameter Description rae Here Stator resistance Factory default value Model dependent Setup range range 0 0010Q 65 5350 ao Factory default value model dependent Setup range range 0 0010Q 65 5350 Leakage inductive Factory default value model dependent ae Setup range range 0 01mH 655 35mH Mutual inductive Factory default value model dependent mme i Setup range range 0 1mH 6553 5mH pe No load current Factory default value model dependent Setup range range 0 01A 650 00A When the automatic tuning of the motor is normally completed the setup values of F1 06 to F1 10 will be automatically updated Each time when the rated power of the motor F1 01 is changed the inverter will automatically recover the parameter values of F1 06 to F1 10 to the default standard motor parameters Four pole Y 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 ty
82. diator F7 08 0 0 C 100 C TE temperature 2 temperature 2 Accumulated Accumulated F7 09 Oh 65535h 1 running time running time 1 Software Software F7 10 version No 1 version No 1 Software Software F7 11 version No 2 version No 2 Group F8 Auxiliary Function Jog running Jog running F8 00 0 00Hz maximum frequency 0 01Hz 2 00Hz Xx frequency frequency Jog speed u Jog speed u time time Jog speed Jog speed F8 02 T a 0 0s 6500 0s 0 15 20 05 sr down time down time Speed u Speed up time F8 03 El GSE 0 0s 6500 0s 0 15 20 0s sr time 2 2 Speed down Speed down F8 04 i 0 0s 6500 0s 0 1s 20 0s X time 2 time 2 Speed u Speed up time F8 05 ican eae 0 0s 6500 0s 0 15 20 0s sr time 3 3 Speed down Speed down F8 06 0 0s 6500 0s 0 1s 20 0s X time 3 time 3 Speed u Speed up time F8 07 ee 0 0s 6500 0s 0 15 20 0s sr time 4 4 Speed u Speed up time F8 08 FE ne 0 0s 6500 0s 0 15 20 0s sr time 4 4 Ski Skip frequenc j j i 0 00Hz maximum frequency 0 01Hz 0 00Hz Ww frequency 1 Skip E frequency 0 00Hz maximum frequency 0 01Hz 0 00Hz frequency 2 Ski j Skip frequency frequency 0 00Hz maximum frequency 0 01Hz 0 01Hz Ww amplitude 1 amplitude 1 Forward Forward reverse reverse 0 0s 3000 0s rotation dead rotation dead zone time zone time F8 13 Reverse 0 Reverse rotation enabled control 1 Reverse rotation disable 82 MD320 MD320N User Manual Function LED displ ispla code ay Setup frequency low
83. ds The operation panel of the MD320 inverter adopts three level menu structure to carry out operations such as parameter setting The three level menu includes function parameter set level 1 menu Function code level 2 menu Function code setup value level 3 menu Refer to Fig 4 2 for the operation procedure 61 Operation and Display MD320 MD320N User Manual Parameter Set Function Code Function Code Modification Modification Modification A OY i A PRG ENTER ENTER e o gt 50 00 FO F0 08 050 00 A A A PRG PRG PRG First level menu Second level menu ENTER Third level menu Fig 4 2 Operation Procedure of Three level Menu Caution When operating on level 3 menu press PRG key or ENTER key to return to level 2 menu The difference between PRG key and ENTER key is described as follows Pressing ENTER KEY will save the setup parameter and return to the level 2 menu and then 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 F3 02 from 10 00Hz to 15 00Hz The bold type work indicates the flashing bit 5000 PRS ro LA p ENTER 300 BEN F3 02 ja gt r3 PRG p303 LENTER 01500 2 010 00 010 00
84. e 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 Insert all the connecting cables properl JE The main control board is faulty gt No If it works normally after Yes gt The drive board replacing the drive board is faulty Ask for technical support If it works normally after replacing the main control board The inverter is damaged If it works normally after Yes replacing the inverter Fig 8 1 Inverter unit protection ERRO1 160 MD320 MD320N User Manual Fault Diagnosis and Solution Acceleration over current Check if the output loop of the inverter is earthed or short circuited Loo Perform troubleshooting No No If the motor parameters are identified RE Identify the motor parameters If the acceleration time is too short Prolong the acceleration time Prolong the acceleration time acceleration time If the manual boost torque or V F curve is proper V F Mode Adjust the manual boost torque or V F curve If the voltage is too low Adjust the voltage to normal range the voltage to normal Adjust the voltage to normal range Select start upon rotational velocity follow up or start Yes If the rotating motor is started upon motor shutdown No If load is added suddenly acs during the acceleration Remove the additional load the additional load
85. e only 195 Appendix MD320 MD320N User Manual Command Word Command Function Address 0001 Forward 0001 Forward operation 0002 Reverse operation 0003 Forward jog 0004 Reverse jog 0005 Free stop 0006 Speed down stop 0007 Fault reset Read inverter status read only Parameters locking password checksum If the return is the 8888H it indicates the password checksum pass Password Address Contents of Input password Parameter locking command write only Address of locking Contents of locking password command password command 5000 0001 lock system command code Digital output terminal control write only Address of locking Contents of locking password command password command DO1 output control DO2 DO2 output control RELAY1 RELAY1 output control RELAY2 RELAY2 output control FMR FMR output control 196 MD320 MD320N User Manual Appendix Analog output AO1 control write only Address of locking Contents of locking password command password command 7000 O 7FFF refers to 0 to 100 00 Analog output AO2 control write only Locking password Locking password command contents command address 9000 O 7FFF refers to 0 to 100 00 Pluse output control write only Address locking Contents locking password command password command A000 0 to 7FFF decimal refers to 0 to 100 00 Inverter fault description 197 Appendix MD320 MD320N
86. e signal definitions of the two connecting modes are as shown in Appendix D Fig 3 RS 485 Signal Definition WGND 485 485 OOO Appendix D Fig 3 RS 485 Signal Definition D 1 3 Installation Mode 1 Installation shall be conducted when the inverter is completely disconnected from power supply 2 Align the communication card with the expansion card interface of the control board of the inverter 3 Tighten the communication card with screws as shown in Appendix D Fig 4 Installation Mode with Tightening Screws Appendix D Fig 4 Installation Mode with Tightening Screws D 1 4 Precautions 1 In order to avoid external interferences on the communication signal it is recommended that 187 Appendix MD320 MD320N User Manual the twisted pair cables be employed for the communication connection and parallel cables be avoided as much as possible 2 It is preferable to select the shielded cable as RS 232 signal cable Appendix E Description of Parameter Copy Card MDCP E 1 Schematic Diagram for Parameter Copy Keyboard INVERTER up down MDCP Yui O up down power up OD OD down E 2 Definition of Parameter Copy Card Up upload parameter It is to upload the parameters in the parameter copy keyboard to the inverter Down download parameter It is to download the parameters in the inverter to the parameter copy keyb
87. ent at stop DC brake time DC brake time F6 14 0 0s 36 0s 0 1s 0 0s x at stop at stop Brake use Brake use F6 15 0 100 1 100 Ww ratio ratio Group F7 Keyboard and Display LCD language Language 0 Chinese F7 00 Er Ga 1 x selection selection 1 English 0 MF K inactive 1 Switching between operation panel command channel and remote command channel MF K Key MF K Key terminal command channel function function or serial port communication selection selection command channel 2 Switching between forward rotation and reverse rotation 3 Forward rotation Jog 0 Active only in the keyboard control mode 1 STOP key enabled in the terminal control mode STOP RESET STOP key 2 STOP key fault reset function key function function active in the terminal control mode 3 STOP key stop and fault reset function active in the terminal control mode 0 QUICK parameter lockout QUICK parameter Parameter inactive lockout 1 QUICK parameter lockout lockout active LED operation Operation display l 0 65535 1 display parameter LED stop display Stop display 1 65535 1 parameter Load speed Load speed display 0 0001 6 5000 0 0001 1 0000 Xx _ coefficient coefficient 81 Function Parameter Table MD320 MD320N User Manual Factory near eta Function Modification LED display Set range default ere code description value 1 Kerna Radiator F7 ror 0 0 100 C Kerna 1 temperature 1 Radiator Ra
88. epeats for eight more shifts as described above The final contents of the register after all the bytes of the message have been applied is the CRC value When the CRC is appended to the message the low order byte is appended first followed by the high order byte unsigned int crc_chk_value unsigned char data_value unsigned char length unsigned int crc_value OxFFFF int i while length crc_value4 data_valuet for i 0 i lt 8 i if crc_value amp 0x0001 crc_value crc_value gt gt 1 0xa001 else crc value crc value gt gt 1 193 Appendix MD320 MD320N User Manual return crc_value The chapter is about communication contents it s used to control the inverter operation the status of the inverter and related parameter setup Read and write function code parameters Some functional code is not changed only for the manufacturer use The mark rules of Function code parameters address The group number and mark of function code is the parameter address for indicating the rules High order bytes FO to FF Low order bytes 00 to FF For example F3 12 address indicates to F30C Caution Group F1 Only for reading parameter can not be changed parameters Group FF Either the parameter can not be read nor be changed Some parameters can not be changed during operation some parameters regardless of what kind of state the inverter in the parameters can not be changed Change the fun
89. equency so as to meet the process requirements This series of inverter can implement 16 segment variable control and has four types of acceleration deceleration time for selection When the setup PLC completes one cycle it can output one ON signal via the multifunctional output terminals DO1 and DO2 or multifunctional relay 1 and relay 2 Refer to F5 02 to F5 05 147 Parameter Description MD320 MD320N User Manual for details When the frequency source selections F0 07 F0 03 and F0 04 are determined as MS speed running mode it needs to set FC 00 to FC 15 to determine its characteristics i Negative maximum frequency to maximum frequency i Negative maximum frequency to maximum frequency ae Negative maximum frequency to maximum frequency Setup range Negative maximum frequency to maximum frequency MS speed 4 Factory default value 0 0Hz Setup range Negative maximum frequency to maximum frequency MS speed 5 Factory default value 0 0Hz Setup range Negative maximum frequency to maximum frequency MS speed 6 Factory default value 0 0Hz Setup range Negative maximum frequency to maximum frequency MS speed 7 Factory default value 0 0Hz Setup range Negative maximum frequency to maximum frequency MS speed 8 Factory default value 0 0Hz Setup range Negative maximum frequency to maximum frequency MS speed 9 Factory default value 0 0Hz Setup range Negative maximum frequency to maximum frequency MS speed 10 Factory default va
90. er can be used as voltage or current input It can expand one voltage input terminal Input terminal There is one high speed pulse output terminal can be selected as open collector mode with square wave output of OkHz to 50kHz It can output such physical parameters as setting frequency and output frequency One digital output terminal can be expanded to two One relay output terminal can be expanded to two One analog output terminal can be expanded to two with optional 0 4mA to 20mA or 0 2V to 10V It can realize the output of such physical parameters as setting frequency and output frequency Output terminal 22 MD320 MD320N User Manual Product Information LED display It can display the parameters It is an optional part and can display operation contents LED display pr POE Chinese English It enables the parameter copy unit to copy the parameters Parameter copy Giel Key locking It can lock the keys partially or completely and define the Display and and function functional range of certain keys so as to prevent error Keyboard selection operations Operation It can implement power on motor short circuit detection protection input output phase loss protection over current protection function over voltage protection under voltage protection over heat protection and overload protection LCD operation panel multifunctional I O expansion card Optional parts braking components communication card exten
91. er manual and warranty card 2 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 users 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 C MD320 series inverter complies with the following international standards and some products have passed the CE certification IEC EN61800 5 1 2003 Safety Regulations on Commissionable Electric Drive System and IEC EN 61800 3 2004 Commissionable Electric Drive System Third Part Electromagnetic Compatibility Standard and Specific Testing Method for the Product Comply with IEC EN61800 3 standard under correct installation and use as per Article 7 3 2 and 7 3 6 MD320N MD320N series is an upgrade of the MD320 series in terms of external appearance and structural design Its function is the same as MD320 series inverters The difference between MD320N series inverter and MD320 series inverter are as follows 1 MD320N series inverter s enclosure are divided into three parts it contains top enclosure middle enclosure and bottom enclosure The appea
92. er than F8 14 frequency lower limit action Frequency lower limit action 0 Run with frequency lower limit 1 Stop 2 Zero speed operation Function Parameter Table met ef l Modification description Over F8 16 modulation enabled Over modulation enabled 0 Over modulation inactive 1 Over modulation active Set running Set running F8 17 Oh 65535h 1h 65535h Xx time time Start F8 18 protection selection Frequency detection F8 19 value FDTlevel Frequency detection F8 20 hysteresis FDT hysteresis Frequency F8 21 ae detection width Earth short circuit protection F8 22 detection upon power on Running time to action F8 23 selection Motor overload F9 00 i protection selection Start protection selection FDT level FDT hysteresis Frequency arrival width Earth short Circuit protection detection upon power on Running time to action selection Overload protection selection 0 No protection 1 Protection 0 00 maximum frequency 0 0 100 0 FDT level 0 0 100 0 maximum frequency 0 Inactive 1 Active 0 Continue running 1 Stop Group F9 Fault and Protection 0 Inactive 1 Active fe fie 0 01Hz 50 00Hz 83 Function Parameter Table MD320 MD320N User Manual Factory Er Function Modification LED display Set range default ere code description value Motor Overload protection 0 20 10 00 coefficient ove
93. eral setting examples are shown in the following figures Lied Parameter Description MD320 MD320N User Manual Corresponding Settings Frequency Torque etc 100 0 OmA Corresponding Settings Frequency Torque etc DS eee eg ee Sa 20mA ii 100 04 oase sea ca Corresponding Relationship between Analog Reference and Setting Al2 minimum Geer 5 Factory default value 0 00V Setup range range 0 00V 10 00V Al2 minimum input Factory default value 0 0 lt a setup Setuprange range 100 00 100 0 Al2 maximum input Factory default value 10 00V Setup range 0 00V 10 00V Al2 maximum input Factory default value 100 0 mg setup Setuprange range 100 00 100 0 Al2 a filter time Factory default value Setuprange range 0 00s 10 00s AI3 minimum om Factory default value 0 00V Setuprange range 0 00V 10 00V Al3 minimum input Factory default value 0 0 E T setup Setuprange range 100 00 100 0 Al3 maximum input Factory default value 10 00V Setup range 0 00V 10 00V 118 MD320 MD320N User Manual Parameter Description Al3 maximum input Factory default value 100 0 corresponding setup Setup range 100 00 100 0 oe Al3 input filter time Factory default value Setup range 0 00s 10 00s The method of setting Al2 function is similar to that of setting Al1 function MD320 inverter standard unit provides two analog input ports If AI3 is used
94. f the difference between the feedback signal of the controlled quantity and the signal of the target quantity and constitutes the feedback system so as to stabilize the controlled quantity at the target quality It is applicable to such process controls as flow control pressure control and temperature control The basic principle framework of control is shown as follows 142 MD320 MD320N User Manual Parameter Description arget Quantity Deviation Limit Feedback Quantity R Td s 1 Fig 6 15 Process PID Principle Framework PID reference source Factory aetautvaue 0 ofm SS e FA 00 etup range sl o S S 4 PULSE DI5 5 Communication setup When the frequency source selects PID i e F0 03 or F0 04 8 this group of function is enabled Please refer to F0 03 and F0 04 This parameter decides the target quantity reference channel of the process PID The setup target quantity of the process PID is relative value and the setup 100 is relative to the 100 of feedback signal of the controlled system The PID range FA 04 is not essential because the system will always calculate according to the relative value 0 to 100 no matter how the range is set However if PID range is set it can view the actual values relative to the reference and feedback of PID via the display parameters on the keyboard oe PID po reference Factory default value 50 0 Setuprange range 0 0 to 100 0 When FA 00
95. figurations of the PG card include processing circuits of two orthogonal encoder signals encoder signal able to receive open collector output or push pull collector output and encoder power supply fixed at 15V output In addition to the standard configurations the enhanced PG card can divide the input encoder signal and output processing circuits of two orthogonal signals Please select according to the actual needs A 2 2 Terminal and Toggle Description The PG card has 9 user terminals Refer to Section 1 3 for details Among these terminals 15PG and COM are working power output of encoder PGA and PGB are signal input terminal of encoder OUT A OUT B and COM are frequency division signal output terminal and PE is shielded cable terminal Since the PE is not earthed inside the PG card the user can connect it to the earth based on the actual needs In the PG card with frequency division the frequency division coefficient is determined by the toggle switch on the PG card The toggle switch has 5 digits The frequency division coefficient 177 Appendix MD320 MD320N User Manual can be determined by multiplying its binary number with 2 1 on the toggle switch is the binary lower bit while 5 is the higher bit When the toggle switch is switched to ON the bit is enabled and indicates 1 Otherwise it indicates O The frequency division coefficient is as shown in the table below Appendix A Table 3 Terminal and
96. freely define short cut menus short cut menus Individualized MEK Key Programmable key Select the command channel switching function forward and reverse rotations jog operation Textile swing It can conduct safety detections on the peripherals upon power on including earth and short circuit detections frequency Multiple triangular wave frequency control function Fry Length control control Reference Reference length control function control function Timing control function Setting time range between Oh to Timing control 65535 h Running Three types of channels operation panel reference control command terminal reference and serial communication port reference channel These channels can be switched in various modes There are totally ten types of frequency sources such as Frequency digital reference analog voltage reference analog current source reference pulse reference and serial port reference These frequency sources can be switched in various modes Auxiliary frequency source There are ten types of auxiliary frequency sources It can implement micro tuning and synthesis of auxiliary frequency There are five digital input terminals one of which can be used as high speed pulse input The number of digital input terminals can be expanded to ten It can be compatible with active PNP or NPN input mode There are two analog input terminals one of which can be used only as voltage input while the oth
97. frequency frequency Al3 maximum input corresponding Al3 maximum setup 100 0 100 0 0 1 100 0 x setup on IO expansion ei Function Parameter Table MD320 MD320N User Manual Factory Maret Function i Modification LED display Set range default ere code description value PULSE ulse input P Pulse minimum n F4 29 minimum 100 0 100 0 0 0 K frequency setup corresponding setup PULSE Pulse pulse input 0 01 F4 30 i maximum 0 00kHz 50 00kHz 50 00kHz x maximum kHz frequency frequency PULSE ulse input js i Pulse ximu F4 31 maximum 100 0 100 0 frequency setup corresponding setup PULSE Pulse filter F4 32 pulse input tie 0 00s 10 00s 0 01s 0 10s filter time Group F5 Output Terminal FM terminal 0 Pulse output FM terminal oe F5 00 output mode noie 1 Open collector digital value selection output FMR 78 MD320 MD320N User Manual FMR output FMR output F5 01 selection selection Control board Control board relay T A T RELAY 1 B T C output output selection selection selection of selection of expansion card RELAY P A P B P C DO1 output DO1 output selection selection expansion card RELAY2 Expansion card DO2 output DO2 output selection selection FMR output FMR output 0 F5 06 selection selection AO1 output AO1 output F5 07 selection selection Expansion card AO2 output AO2 output selection selection Max maxim
98. gh External radiation low to high interference 100 MD320 MD320N User Manual Parameter Description Carrier frequency adjustment Factory default value selection Fixed PWM and carrier frequency temperature adjustment inactive Random PWM and carrier frequency temperature adjustment inactive Setup range Fixed PWM and carrier frequency temperature adjustment active Random PWM and carrier frequency temperature adjustment active Two PWM carrier frequency adjustment modes fixed and random are provided The random PWM motor noise has wide frequency range while the fixed PWM motor noise has fixed frequency When the carrier wave temperature adjustment is active the inverter can automatically adjust the carrier frequency according to its temperature This function can reduce the possibility of overheating alarm of the inverter ep Speed up time 1 Factory default value Setup range 0 0s 6500 0s roas teen Speed down time 1 Factory default value Setuprange range 0 0s 6500 0s Speed up time 1 refers to the time t1 required for the inverter to speed up from OHz to the maximum output frequency FO 10 Speed down time 1 refers to the time t2 required for the inverter to Speed down from the maximum output frequency F0 10 to OHZ as shown in the following figure Output Frequency Fmax 4 Setting Frequency 7 Time 4 4 Actual Acceleration Time A
99. h Om 65535m 3 X Number of Number of FB 07 pulses each pulses each 0 1 6553 5 meter meter Setup Setup counting FB 08 counting 1 65535 value value E Designated Designated FB 09 counting 1 65535 counting value value Group FC MS speed and PLC Negative maximum frequency to maximum frequency Negative maximum frequency to maximum frequency Negative maximum frequency to maximum frequency Negative maximum frequency to maximum frequency Negative maximum frequency to maximum frequency Negative maximum frequency to maximum frequency Negative maximum frequency to maximum frequency Negative maximum frequency to maximum frequency Negative maximum frequency to maximum frequency 87 Function Parameter Table MD320 MD320N User Manual Factory POOT Function Modification LED display Set range default ere code description value Negative maximum frequency to FC 09 MS speed 9 MS speed 9 0 1Hz 0 0Hz x maximum frequency Negative maximum frequency to FC 10 MS speed 10 MS speed 10 0 1Hz 0 0Hz x maximum frequency Negative maximum frequency to FC 11 MS speed 11 MS speed 11 0 1Hz 0 0Hz Ww maximum frequency Negative maximum frequency to FC 12 MS speed 12 MS speed 12 0 1Hz 0 0Hz Ww maximum frequency Negative maximum frequency to FC 13 MS speed 13 MS speed 13 0 1Hz 0 0Hz maximum frequency Negative maximum frequency to FC 14 MS speed 14 MS speed 14 0 1Hz Xx maximum frequency Negative max
100. h the PE end of the inverter at the same public earth Otherwise the EMC effect may be greatly affected 3 The filter shall be installed at a place close to the input end of the power supply as much as possible 158 O Fault Diagnosis and Solution Fault Diagnosis and Solution MD320 MD320N User Manual Chapter 8 Fault Diagnosis and Solution 8 1 Fault Alarm and Countermeasures MD320 inverter has 24 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 contact 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 Among the 21 pieces of warning information Err22 is hardware over current or over voltage signal In most cases the hardware over voltage fault will cause Err22 alarm Inverter Unit Protection Yes Check if the inverter output Perform loop is short circuited Troubleshooting 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 modul
101. he function of controlling the inverter running and parameter setting in the serial port mode Refer to MD320 Serial Communication Protocol for the details regarding the communication card which is available on the website of www inovance cn or from the local representative office or agent Description of RS 232 communication card The physical structure and connecting mode are as shown in Appendix D Fig 1 Physical Structure and Connecting Mode while RJ45 interface signal definition is as shown in Appendix D Fig 2 RS 232 Signal Definition Expansion card interface WGND 485 485 OOO 33mm kh RJ45 Interface 47 5mm Appendix D Fig 1 Physical Structure and Connection Mode 186 MD320 MD320N User Manual Appendix 12345678 WGND RS232 TXD RS232 RXD Appendix D Fig 2 RS 232 Signal Definition Description of RS 485 communication card The physical structure and connecting mode are as shown in the following figure RS 485 communication mode provides two types of connections which are mutually connected The user can freely select the communication line connections based on the actual needs The physical structure and connecting mode are as shown in Appendix D Fig 1 Physical Structure and Connecting Mode while the interfac
102. he motor 1 2 3 Running with Frequency higher than Standard Frequency This inverter can provide output frequency of 0Hz to 300HZ If the user needs to run the inverter with frequency of more than 50Hz please take the resistant pressure of the mechanical devices into consideration 1 2 4 Vibration of Mechanical Device The inverter may encounter the mechanical resonance point at certain output frequencies which can be avoided by setting the skip frequency parameters in the inverter 1 2 5 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 6 Voltage sensitive Device or Capacitor Improving Power Factor at the Output Side Since the inverter output is PWM wave if the capacitor for improving the power factor or voltage sensitive resistor for lightning protection is mounted at the output side it is easy to cause instantaneous over current in the inverter which may damage the inverter It is recommended that such devices not be used 1 2 7 Switching Devices like Contactors Used at the Input and Output terminal If a contactor is installed between the power supply and the input terminal 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 unavoidable it shall be used with interval of at least one h
103. i D I Oni eg Fig 2 7 Schematic Diagram for Physical Dimensions and Mounting Dimensions of 18 5kW 450kW 25 Product Information MD320 MD320N User Manual En Fig 2 8 MD320N Series Schematic Diagram for Physical Dimensions and Mounting Dimensions of 18 5kW 450kW 2 5 2 Physical Dimensions and Mounting Hole Dimensions Table 2 3 Physical Dimensions and Mounting Hole Dimensions mm LEE Physical Dimensions mm Diameter of Model Hole mm Mounting A B H H1 W D Holen MD320S0 4G MD320S0 7G MD32051 5G MD32082 2G 113 172 182 123 145 5 4 MD320T0 7GB MD320T1 5GB MD320T2 2GB Weight kg MD320T2 2GB Build in PG Card MD320T3 7GB MD320T5 5PB 147 236 246 158 165 05 4 MD320T5 5GB MD320T7 5PB 2 5 26 MD320 MD320N User Manual Product Information LUT Physical Dimensions mm Diameter of Weight Model Hole mm Mounting kg Hole mm A B H H1 W D MD320T7 5GB MD320T11PB MD320T11GB MD320T15PB 150 335 322 348 224 177 6 7 MD320T15GB MD3
104. ilt in The letter B is i ae attached behind MD32081 5 100W gt 1000 p e MD32082 2 100W MD320T0 7 150W gt 3000 MD320T1 5 150W gt 2200 MD320T2 2 250W gt 2000 MD320T3 7 300W gt 1300Q Built in as No special MD320T5 5 400W standard specification MD320T7 5 500W MD320T15 1000W 38 MD320 MD320N User Manual Product Information Recommended Recommended verter Power of Brake ROSEN Braking Unit Model Value of Brake 9 Resist ee Resistor 2250 Built in The letter B is gt 220 attached behind opuona the Inverter model 160 e Inverter model eke Externally MDBU 35 B lt 10 connected eG Externally MDBU 35 B Z connected Externally MDBU 70 B connected Externally MDBU 70 B connected as Externally MDBU 70 Bx2 connected Externally MDBU 70 Bx2 connected 1300W 1500W 2500W MD320T118 5 MD320T22 MD320T30 MD320T37 3 7 kW MD320T45 4 5 kW MD320T55 5 5 kW 280 280 MD320T75 7 5 kW MD320T90 4 5 kWx2 MD320T110 5 5 kWx2 MD320T132 6 5 kWx2 gt 80x2 PxiernaNy MDBU 70 Bx2 connected gt 2 50 Externany MDBU 210 B Bg connected gt 2 50 Eerie MDBU 210 B pai connected gt 2 50 Bera MDBU 210 B Eg connected gt 2 50x2 Brena MDBU 210 Bx2 connected gt 2 50x2 Exlemaly MDBU 210 Bx2 connected gt 2 50x2 Exemal MDBU 210 Bx2 connected gt 2 50x2 ERAMA MDBU 210 Bx2 connected gt 2 50x3 Pomell MDBU 210 Bx3 connected gt 2 50x3 Exma MDBU 210 Bx3 connected Caution x2 refers to two braking
105. ime between t1 and t2 the slope of the output frequency change remains fixed 126 MD320 MD320N User Manual Parameter Description fmax tl t2l It 2 tl t Acceleration Time Deceleration Time Fig 6 10 Schematic Diagram for S curve Acceleration Deceleration Factory default Stop mode value a4 lo Speed down to stop etup range Free to stop 0 Speed down 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 Free 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 DC brake beginning Factory default 0 00Hz at stop value Setup range range 0 00Hz maximum frequency DC brake waiting time Factory default at se value Setuprange range 0 0s 36 0s DC brake current at Factory default 0 o stop value Setup range 0 100 Factory default DC brake time at stop 0 85 value Setup range 0 0s 36 0s 124 Parameter Description MD320 MD320N User Manual DC brake beginning frequency at stop During the acceleration to stop when it reaches this frequency the DC brake process at stop begins DC brake waiting time at stop Prior to the beginning of DC brake at stop the inverter stops output and starts DC brake
106. imum frequency to FC 15 MS speed 15 MS speed 15 0 1Hz maximum frequency 0 Stop upon completion PLC runnin 1 Keep final value upon I PLC mode a 1 x mode completion of one time running 2 Constant circulation PLC power failur e 0 Power failure non recorded PLC recoeded X recoeded 1 Power failure recorded selection Running time of zero Zero segment 0 1s 0 0s h 6553 5s h 0 0s h x segment of time Ch PLC Speed up speed down selection ee i i speed down of 0 3 1 Xx of zero zero segment segment of PLC First segment _ First segment 0 1s running time 0 0s h 6553 5s h 0 0s Ch x time Ch of PLC First segment speed up First segment speed down speed up 0 3 1 Ww time selection speed down of PLC Second segment Second 0 15 en 0 0s h 6553 5s h 0 0s Ch a running time segment time Ch of PLC 88 MD320 MD320N User Manual Function code Second segment FC 23 speed up speed down time selection of PLC Third segment FC 24 running time of PLC Third segment FC 25 speed up speed down time selection of PLC Forth segment FC 26 To running time of PLC Forth segment speed up FC 27 speed down time selection of PLC Fifth segment FC 28 running time of PLC Fifth segment speed up speed down FC 29 i time time selection of PLC Sixth segment FC 30 running time of PLC Sixth segment FC 31 speed up speed down time time Seventh segment FC 3
107. indicates the torque control status when it is OFF it indicates the speed control status 2 Units of LED indictor description Hz refers to the unit of frequency A refers to the unit of current V refers to the unit of voltage 60 MD320 MD320N User Manual Operation and Display RPM refers to the unit of rotation speed unit 3 Digital display zone Five digit LED display able to display setup frequency output frequency various monitoring data and alarm code refers to percentage 4 Keyboard button description Table 4 1 Keyboard Function P i PRG m Entry and exit of primary menu deletion of shortcut parameter ENTER Confirmation Enter the menu interfaces level by level and confirm the set key parameters Increase of the data or function code Decrease of the data or function code Select the displayed parameters in turn on the stop display Shift key interface and running display interface and select the modification digit of parameters when modifying parameters Punninake It is used to start the running of the inverter under keyboard aney control mode Press this button to stop the running in the running status and STOP RES Stop reset reset the operation in the fault alarm status These button characteristics are limited by the function code F7 02 Multi function According to F7 15 take function switching selection selection key 4 2 Description of Function Code Viewing and Modification Metho
108. ing parts Otherwise there may be risk of injury Use the motor with Class B or above insulation Otherwise there may be risk of electric shock Carefully handled when loading otherwise it may damage the inverter Please don t use the damaged driver or missing parts inverter there may be risk of injury Do not touch the control system otherwise it will cause static electricity 1 1 2 During the Installation q Danger Mount the inverter on incombustible surface like metal and keep away from flammable substances Otherwise it may cause fire Do not loose the set screw of the equitment especially the screws marked in RED 10 MD320 MD320N User Manual AN aution Do not drop the lead wire stub or screw in the inverter Otherwise it may damage the inverter Please install the driver in the place where there is no direct sunlight or no vibratory 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 sinking 1 1 3 During wiring Operation shall be performed by the professional engineering technician Otherwise there will be danger of electric shock There shall be circuit breaker between the inverter and power supply Otherwise there may be fire Make sure the power is disconnected prior to the connection Otherwise there will be danger of electric shock
109. inth segment speed up speed down Tenth i 0 0s h 6553 5s h segment time Tenth segment speed up speed down Eleventh 0 Os h 6553 5s h segment time Set range MD320 MD320N User Manual F aciory Modification default oe description value DE 0 1s 0 0s Ch cae 0 1s 0 0s Ch DEN 0 1s 0 0s h Ch Ee gece h 0 1 0 0s Ch h MD320 MD320N User Manual Function code Eleventh segment FC 41 speed up speed down time selection of PLC Twelfth segment FC 42 aren running time of PLC Twelfth segment FC 43 speed up speed down time selection Thirteenth segment FC 44 oo running time of PLC Thirteenth segment FC 45 speed up speed down time selection of PLC Fourteenth segment FC 46 ae running time of PLC Fourteenth segment FC 47 speed up speed down time selection of PLC Fifteenth FC 48 en running time of PLC Fifteenth segment FC 49 speed up speed down time selection of PLC Function Parameter Table Factory eee y Modification LED display Set range default Dax l description value Eleventh segment j 0 3 speed up speed down Twelfth 0 0s h 6553 5s h segment time Twelfth segment speed up speed down Thirteenth 0 0s h 6553 5s h segment time Thirteenth segment speed up speed down Fourteenth 0 0s h 6553 5s h segment time Fourteenth segment speed up speed down Fifteenth 0 0s h 6553
110. inverter 3 Tighten with screws Appendix C Fig 1 10 Installation Mode 182 MD320 MD320N User Manual Appendix Locating hole Three Expansion Mounting hole card interface JO O JK1 O O CN3 S3mm CN1 5 om CI amp CN2 JK4 OOOO OOO CC COCOO0O SOmm Appendix C Fig 2 Physical Dimensions I V afafa JK3 afafa JK4 0 4 20mA 0 10V Appendix C Fig 3 Jumper Terminal C 2 2 Description of Control Terminal Function 183 Appendix MD320 MD320N User Manual Appendix C Table 1 Control Terminal Function Type WEIL VEEL Function description yP Symbol name p Provide 10V power supply for external units with maximum output current of 10mA 10V GND 10V GND It is generally used as the operating power supply for the external potentiometer The potentiometer resistance range is 1kQ to10kQ Provide 24V power supply for external units External It is generally used as the operating power 24V COM 24V power supply for digital input output terminal and the supply external sensor The maximum output current is 200mA Prior to delivery the OP is connected to Operating 24V
111. 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 bring about the following two impacts 8 Degrade the motor insulation performance and damage the motor for the long run Generate large leakage current and cause frequent inverter protection In general the distance between the inverter and the motor exceeds 100 meters Installation of output AC reactor is recommended 47 Mechanical and Electric Installation 3 2 3 Connections Schematic Diagram for Single phase Inverter Connection Brake Resistor MD320 MD320N User Manual MCCB 5 a G TR _o9 1o OU T PB UE Single phase 220V 50 60Hz A5 o 0O L2 VG MD320 Series Wo op 2 De 24V Digital Input 1 DH _ Hrek GN3 External Keyboard Interface Digital Input 2 DI2 hrs J2 PG Card Interface O Oo HI Digital Input 3 EG DB Hr J1 Functional Expansion Card Interface Digital Input 4 D4 kes 3 AO l f oS Analog output High speed pluse input p D a DIS ttk GND i 0V 10V 0mA 20mA O Oo EI COM FM 3 1 1 o s DC 0 10V F 10V Frequency setup po
112. ion Fault Phenomenon Possible Cause Solution No display upon power on HC is displayed upon power on ERR23 alarm is displayed upon power on normally upon power on but HC is displayed upon running and stops immediately ERR14 module over heat fault is frequently reported The motor does not rotate upon Inverter running The inverter displays 4 The inverter has no input power supply 8 core bus connecting with the drive board and control bard is in poor contact The internal parts of the inverter are damaged 4 core bus connecting with the drive board and control bard is in poor contact Other parts of the inverter are damaged The motor or the output line is short circuited to the earth The inverter is damaged The fan is either damaged or blocked The carrier frequency is set too high The fan is damaged or the air duct is blocked The internal parts thermal coupler or others of the inverter are damaged The motor is either damaged or blocked The parameters are set improperly mainly Group F1 motor parameters Check the input power supply Plug unplug the 8 core bus once again Consult the manufacturer Plug unplug the 4 core bus once again Consult the manufacturer Measure the insulation of the motor and output line with magneto ohmmeter Consult the manufacturer Replace the fan Reduce the carrier frequency FO 15 2 Replace the fan a
113. ion will restore to the original status This action shall be carefully performed in the applications where the rotary direction of the motor is not allowed to change upon system commissioning rono j nemnt Maximum frequency Factory default value 50 00 Hz Setup Range Range 50 00Hz to 300 00Hz Frequency source upper limit Factory default value mm FO 11 Es F0 12 setup Setup Range PULSE setup 5 Communication setup It is used to define the source of frequency upper limit The frequency upper limit can be sourced from either digital setup FO 12 or analog input channel When the analog input is used to set the frequency upper limit 100 of analog input setup is relative to F0 12 For example in case of torque control the speed control is inactive To avoid occurrence of broken materials it can use the analog value to set the frequency upper limit When the inverter runs at the frequency upper limit the torque control is inactive and the inverter continues running with frequency upper limit Frequency upper limit Factory default value 50 00Hz seuprange Peon lower limit FO 11 to maximum frequency seu Raro Range Er Frequency upper limit Factory default value 0 00Hz Fane Setup Range Range 0 00Hz to maximum frequency F0 10 When the frequency upper limit is analog value reference this parameter is used as analog value offset 99 Parameter Description MD320 MD320N User Manual Its reference value i
114. justment valid 3 Random PWM carrier frequency temperature adjustment enabled Speed u Speed up time FO 17 Em pe 0 0s 6500 0s 0 15 20 05 sr time 1 1 Speed down Speed down F0 18 0 0s 6500 0s 0 1s 20 0s X time 1 time 1 Group F1 Motor Parameters 0 Common asynchronous motor 1 Variable frequency motor type motor type i asynchronous motor 1 selection selection 2 Permanent magnetic synchronous motor Model F1 01 rated power rated power 0 4kW 1000 0kW dependent Model F1 03 rated current rated current 0 01A 655 35A 0 01A dependent rated rated F1 04 0 00 maximum frequency 0 01Hz 50 00Hz frequency frequency rated rotation rated rotation F1 05 Orpm 30000rpm 1rpm 1460rpm speed speed stator stator Model F1 06 0 0010 65 5350 0 0010 Ww resistance resistance dependent rotor rotor Model F1 07 0 0010 65 5350 0 001Q Ww resistance resistance dependent leakage leakage l Model inductive inductive 0 01mH 655 35mH 0 01mH dependent reactance reactance mutual mutual l l i l Model inductive inductive 0 1mH 6553 5mH 0 1mH dependent reactance reactance no load no load F1 10 0 01A 650 00A 0 01A X current current 0 No operation Tuning Tuning i l 1 Static tuning 1 selection selection 2 Complete tuning ral Function Parameter Table MD320 MD320N User Manual Factory Er Function Modification LED display Set range default ere code description value F2 Vector Control Parameters speed loop
115. l during the Jog running refer to F8 00 F8 01 and F8 02 function codes 111 Parameter Description MD320 MD320N User Manual Setup Description value 6 Terminal UP When the frequency is given by the external terminals it is used as increment and decrement commands of frequency modification When the 7 Terminal DOWN _ 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 the inverter control It is the general method adopted when there is huge load Free stop 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 It is the same as the Fault reset RESET function of RESET key on the keyboard Using this function can realize long distance fault reset The inverter decelerates to stop but all the running parameters are all in the memory status such as PLC parameter swing frequency Running pause parameter and PID parameter After this signal disappears the inverter restores to the status before stopping External fault normally open After the external fault signal is sent to the input inverter the inverter reports fault and stops MS speed terminal 1 It can realize 16S speed through the combination MS terminal 2 of digital status of these four terminals Refer 14 MS peed terminal 3 attached table 1 for the MS speed f
116. l relay 2 one multifunctional digital output terminal DO2 and one multifunctional analog output terminal AO2 FM terminal output mode Factory default value selection AN ES Pulse output FMP etup range Collector open output FMR FM terminal is programmable multiplexing terminal It can be used as high speed pulse output FMP with maximum frequency of 50 kHz Refer to F5 06 for relevant functions of FMP It can also be used as collector open output terminal FMR Refer to F5 01 for FMR function FMR output selection collector open output Factory default value terminal Control board RELAY 1 output selection T A T Factory default value B T C Expansion card RELAY 1 output selection P A P Factory default value DO1 output selection collector open output Factory default value terminal Expansion card DO2 Factory default value 4 output selection Caution RELAY 1 and RELAY2 refer to TA TB TC Multifunctional output terminal function selection is as follows Sette punton beseitln O value 0 nooutput The output terminals does not have any function Inverter is It indicates the inverter is running and there is output frequency running can be zero and ON signal will output at this time 120 MD320 MD320N User Manual Parameter Description Soup Funeton Deserpton OOO value Fault output When the inverter is faulty it outputs ON signal Frequenc y level detection Please refer
117. lated The users must make them short circuit externally When DO2 needs to be driven by the external power supply the connection between CME and COM must be disconnected Contact driving capacity AC250V 3A COS 0 4 DC 30V 1A Contact driving capacity AC250V 3A COSQ 0 4 DC 30V 1A The input output signal terminal for RS 485 communication 28 core terminal connecting to control board of MD320 series inverter 185 Appendix MD320 MD320N User Manual Appendix D Description of Communication Card MD32MBS Communication card of Shenzhen Inovance Technology Co Ltd is specially designed for the MD320 series inverter to provide remote serial port communication function D 1 Instruction for use D 1 1 Model Appendix D Table 1 Communication Card Model Description RS 232 Communication card MD32 232 RS 232 Communication interface card RS 485 Communication card MD32 485 RS 485 Communication interface card D 1 2 Function and Terminal Connection Communication card is divided into RS 232 communication interface card and RS 485 communication interface card and serves as the expansion card special for the MD320 inverter of Shenzhen Inovance Technology Co Ltd which can provide RS 232 and RS 485 communication modes respectively Their electric parameters comply with the international standard and the user can select RS 232 communication card or RS 485 communication card according to the actual needs so as to implement t
118. lation MD320 MD320N User Manual B Digital input terminal It needs to employ shielded cable generally with cable length of no more than 20 meters When active driving is adopted necessary filtering measures shall be taken to prevent the interference to the power supply It is recommended to use the contact control mode C DI Terminal Connection 1 Connection with dry contact sharing the negative pole 24v p 124 Mid og Li El I gg z y DIL 33k p o _ KE a DIS 3 3k CME Inverter Control Board i com Fig 3 11 Connection with dry contact sharing the negative pole This is the most commonly used connection mode If external power supply is used it must remove the short circuit copper bars between 24V and OP and between COM and CME respectively and connect the positive pole of external power supply to OP and negative pole to CME 56 MD320 MD320N User Manual Mechanical and Electric Installation 2 Connection with dry contact sharing the positive pole 3 3k Inverter Control Board Fig 3 12 Connection with dry contact sharing the positive pole In this connection mode it must remove the short circuit copper bar between 24V and OP and then connect OP with CME If external power supply is used it must also remove the short circuit copper bar between CME and COM 3 Source Electrode Connection External Ta
119. lectrical Parts of MD320 Mounting Location Function Description Circuit Front end of input Disconnect the power supply when the equipment breaker Circuit at the lower part is over current Between the circuit Connection and disconnection of inverter Frequent Contactor breaker and the power on and power off operations on the inverter inverter input side shall be avoided 46 MD320 MD320N User Manual Mounting Location Function Description AC input reactor EMC Input filter DC reactor AC output reactor side of the inverter Input side of the inverter MD series inverter adopts DC reactor of more than 7 5G as standard Between the inverter output side and the motor close to the inverter Mechanical and Electric Installation Improve the power factor of the input side Eliminate the higher harmonics of the input side effectively and prevent other equipment from 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 Decrease the conduction interference flowing from the power end to the inverter and improve the anti interference capacity of the inverter Improve the power factor of the input side Improve the whole efficiency and thermal stability of the inverter Eliminate the impact of higher harmonics of the input side on the
120. lue 0 0Hz Setup range Negative maximum frequency to maximum frequency MS speed 11 Factory default value 0 0Hz Setup range Negative maximum frequency to maximum frequency Factory MS speed 12 0 0Hz default value Setup range Negative maximum frequency to maximum frequency MS speed 13 Factory default value 0 0Hz Setup range Negative maximum frequency to maximum frequency MS speed 14 Factory default value 0 0Hz Setup range Negative maximum frequency to maximum frequency TI TI TI Q O O amp O A TI Q oO T T o 9 oO oo Tl O oo Tl O D 148 MD320 MD320N User Manual Parameter Description MS speed 15 Factory default value FC 15 Setup range Negative maximum frequency to maximum frequency When the frequency source parameters F0 07 F0 03 and FO 04 are determined as PLC running mode it needs to set FC 00 to FC 15 FC 16 FC 17 and FC 18 to FC 49 to determine its characteristics Caution The symbols of FC 00 to FC 15 determine the running direction of simple PLC If they are negative values it indicates reverse direction The simple PLC is as shown in the following figure Simple PLC Running FC 14 FC 02 FC 19 Defined FC 15 Acceleration Time 1 wamemee FC 21 Defined Acceleration De i celeration Time 1 FC 01 FC 23 Defined Acceleration Decel eration Time o DO or RELAY Index Fig 6 18 Schematic Diagram of Sim
121. mA to 20mA which can be selected by the J3 jumper on the control board 5 Pulse given DI5 The frequency setup is given by the terminal pulse Pulse reference signal specification voltage range of 9V to 30V and frequency range of OkHz to 50kHz Caution Pulse given can only be input from the multifunctional input terminal DI5 6 MS speed Select MS speed running mode It needs to set Group F4 Input Terminal and Group FC MS Speed and PLC parameters to determine the relative relationship between the reference signal and the reference frequency 7 Select simple PLC mode When the frequency source is simple PLC it needs to set Group FC MS Speed and PLC parameters to determine the reference frequency 8 PID Select process PID control In this case it needs to set Group FA PID Function The running frequency of the inverter is that after PID functions For the meanings of PID reference source reference quantity and feedback source please refer to Group A PID Function 9 Communication reference It means that the main frequency source is given by the host computer via the communication mode 96 MD320 MD320N User Manual Parameter Description Auxiliary Frequency source Factory default value Y selection 0 Data setup UP and DOWN onvecorded Setup Range KR PULSE setup DI5 6 MS speed 9 Communication setup When the auxiliary frequency source is used as independent frequency reference
122. meters correctly No Check the cable connecting i the inverter to the motor If the parameter identification process is delayed Fig 8 18 Motor tuning fault ERR19 PG Fault No elect the encoder Check if the encoder model is compatible gt provided by the push pull or open collector Yes Yes Check if the encoder cable connection is wrong p Remove the line fault Ask for technical support No If it is normal after replacing the PG card p PG card fault Fig 8 19 PG fault ERR20 171 Fault Diagnosis and Solution MD320 MD320N User Manual Data Overflow Ask for technical support If it is normal after replacing the main control board Fig 8 20 Data overflow ERR21 Inverter hardware fault Yes If it is over voltage Remove over voltage fault ae Yes If it is over current P Remove over current fault Fig 8 21 Inverter hardware fault ERR22 Fault of Short Circuit to Earth Err23 Detect if the motor is short circuited to earth Replace the drive board Fig 8 22 Earth short circuit fault ERR23 Yes p Replace the cable or motor 172 MD320 MD320N User Manual 8 2 Common Fault and Resolution Fault Diagnosis and Solution During the inverter using process the following faults may occur Please conduct simple fault analysis by referring to the methods below Table8 1 Common Fault and Resolut
123. mode VC V F control 2 V F control 0 Operation panel running command channel LED OFF 1 Terminal command channel LED ON 2 serial port command channel LED flashes Command Command source source selection selection 0 Digital setup UP and DOWN adjustment non recorded 1 Digital setup UP and DOWN adjustment recorded Main 2 Al1 Main frequency frequency 3 Al2 source X source X 4 AI3 selection selection 5 PULSE setup DI5 MS speed PLC PID Communication setup Digital setup UP and DOWN adjustment non recorded 1 Digital setup UP and DOWN adjustment recorded Auxiliary Auxiliary 2 Al1 Frequency Frequency 3 Al2 source Y source Y 4 AI3 selection selection 5 PULSE setup X5 6 MS speed 7 PLC 8 PID 9 Communication setup 69 Function Parameter Table MD320 MD320N User Manual Factory Er Function Modification LED display Set range default ere code description Auxiliary 0 Relative to maximum Frequency Y range frequency source l l selection 1 Relative to frequency source Y range g x selection Auxiliary Auxiliary Frequency Frequency 0 100 source Y source Y 0 Main frequency source X 1 Main frequency source X plus auxiliary frequency source Y 2 Switching between main frequency source X and auxiliary frequency source Y Frequenc Frequenc i i y 3 Switching between main source source frequency source X and main selection selection frequency s
124. n and pump loads 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 Only when correct motor parameters are provided can the vector control mode be fully made use of Better performance can be achieved by adjusting the speed regulator parameters group F2 Command Source Selection Command Source Selection Selection Factory default value ae Operation panel command De ES Setup Range Terminal command channel Serial port communication command channel 94 MD320 MD320N User Manual Parameter Description Select the channel for inverter control command The inverter control command includes start stop forward rotation reverse rotation and Jog 0 Operation panel command channel LOCAL REMOT LED OFF Perform running command control with keys on the operation panel such as RUN STOP RES keys 1 terminal command channel LOCAL REMOT LED ON Perform running command control by the multifunctional input terminals such as FWD REV JOGF JOGR etc 2 serial port command channel LOCAL REMOT LED flashes The running command is sent by the host computer via the communication mode When selecting this item it must be used together Modbus RTU of Shenzhen Inovance Technology Co Ltd Main frequency source X Factory default value selection EA a ia setup UP and DOWN non recorded F0 03
125. n perform switching via this key both in the stop and running process 0 This key has no function 1 Switching between keyboard command and 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 inactive 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 STOPIRESET key function Factory detut vane 0 0 arve oniy in he keyboard contol mode STOP key enabled in the terminal control control mode STOP key stop and fault reset function Factory default QUICK parameter lockout value F7 03 QUICK parameter lockout inactive The parameter items in the shortcut menu can be added reduced or modified at this time Setup range 1 QUICK parameter lockout inactive The parameter items in the shortcut menu cannot be modified at this time but the related parameter contents can be modified 129 Parameter Description MD320 MD320N User Manual LED operation display Factory default value parameter Meanings or lower Eight Digits reserved reserved DI input State DO output State AIl voltage V AI2 voltage V Current
126. n setup PID keyboard setup 0 Al1 1 Al2 PID feedback PID feedback 2 Al3 1 di source source 3 Al1 Al2 4 PULSE setup DI5 5 Communication setup PID action PID action 0 Positive action FA 03 1 X direction direction 1 Reverse action PID setup feedback PID range 0 65535 1000 range Proportional Proportional FA 05 0 0 100 0 gain P gain P Integration Integration FA 06 0 01s 10 00s 0 01s 2 00s time time Differential Differential FA 07 0 000s 10 000s co O1s 000 00s time D time D Cutoff Cutoff frequency of frequenc quency 0 00 maximum frequency 0 01Hz 2 00Hz PID reverse of reverse rotation rotation Differential Differential FA 10 0 100 1 5 Ww amplitude amplitude Group FB Swing Frequency Fixed Length and Count 0 Relative to the central Swing setup Swing setup frequency mode mode 1 Relative to maximum frequency 86 MD320 MD320N User Manual Function Parameter Table i Factory cae Function j Modification LED display Set range default nee code description value Swing Swing FB 01 frequency frequency 0 0 100 0 amplitude amplitude Kick Kick f ick frequenc FB 02 frequency ET 0 0 50 0 amplitude amplitude Swing Swing FB 03 frequency frequency 0 1s 3000 0s cycle cycle Time constant Time constant FB 04 of triangular of triangular 0 1 100 0 50 0 wave boost wave boost FB 05 Setup length Setup length Om 65535m 1000m FB 06 Actual length Actual lengt
127. n the skip frequency range the actual running frequency will be in the skip frequency boundary close to the setup frequency It can make the inverter run away from the mechanical resonance point of the load through setting the skip frequency This inverter can set two skip frequency points If the two skip frequencies are set to zero this function will be inactive Adjusted Setting Frequency eee He ef Skip Frequency Skip Amplitude Vg eee aat sale dundret l Skip Frequency EE ee Amplitude Skip Pe Frequency 1 e Ja mj mm Frequency Setting Signal Fig 6 11 Schematic Diagram of Skip Frequency 133 Parameter Description MD320 MD320N User Manual Forward Reverse rotation Factory default dead zone time value Setup range 0 00s 3000 0s During the setting of forward reverse rotation of the inverter the transition time at the output zero frequency position is shown in the following figure Output Frequency Forward Rotation RUNNING TIME co J G Dead Zone Time Reverse Rotation Fig 6 12 Schematic diagram for Forward Reverse Rotation Dead zone Time KEN Reverse rotation active Setup range Reverse rotation inactive When this parameter is set to 0 it can perform reverse rotation control on the inverter with the keyboard terminal or communication When this parameter is set to 1 the reverse rotation control function is enabled and has nothing to
128. ncrease This function can select whether the over modulation function is enabled Setup running time Factory default value F8 17 Setup range Oh to 65535h It is sued to preset the running time of the inverter When the accumulated running time F7 09 reaches this setup running time the multifunctional digital DO of the inverter outputs the signal of running time arrival Start protection selection Factory default value 0 F8 18 Setup range Oo No protection This function code is used to improve the safety protection coefficient If it is set to 1 it has two roles first if the running command exists upon inverter power on it must cancel the running command to remove the running protection status Second 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 detection Factory default value value FDT level Setup range 0 00Hz maximum frequency 135 Parameter Description MD320 MD320N User Manual Frequency detection Factory default hysteresis value FDT hysteresis Setup range 0 0 100 0 FDT level It is used to set the detection value of output frequency and hysteresis value upon removing of the output action Output Frequency FDT1 Level gf Y m I FDT1 PENE J
129. nction will be enabled 000 Clear the previous setup user password and disable the password protection function 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 0 o n Setup range Restore the factory default setup value Clear the fault record 1 The inverter restores all the parameters except the parameters in Group F1 to the factory default ones 2 The inverter clears the recent fault records 153 Parameter Description MD320 MD320N User Manual 154 7 EMC Guide EMC Guide MD320 MD320N User Manual Chapter 7 EMC Electromagnetic Compatibility 7 1 Definition Electromagnetic compatibility is the ability of the electric equipment to run in the electromagnetic interference environment and implement its function stably without interferences on the electromagnetic environment 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 the latest international standard lEC EN61800 3 2004
130. nd ERRO1 fault type 1 2 Speed up over current ERR02 3 Speed down over The second The second current ERRO3 PallGhe type failure type 2 4 Constant speed over current ERRO04 5 Speed up over voltage ERRO5 6 Speed down over voltage ERRO06 7 Constant speed over voltage ERRO7 8 Control power supply fault ERRO8 9 Under voltage failure ERRO9 10 Inverter overload ERR10 11 Motor overload ERR11 12 Input phase failure ERR12 13 Output phase failure ERR13 14 Radiator over heat ERR14 15 External fault ERR15 16 Communication fault ERR16 17 Contactor fault ERR17 18 Current detection fault ERR 18 19 Motor tuning fault ERR19 20 PG fault ERR20 21 Data overflow ERR21 22 Inverter hardware fault ERR22 23 Motor to earth short circuit fault ERR23 24 Reserved ERR24 Frequenc Frequenc F9 17 oe Ke upon fault upon fault Current upon Current upon F9 18 fault fault Bus voltage Bus voltage F9 19 upon fault upon fault 85 The last The third fault failure type type Function Parameter Table MD320 MD320N User Manual Factory Er Function Modification LED display Set range default ere code description value pozo PP terminal Input terminal F20 20 upon fault upon fault Output Output terminal upon terminal upon fault fault Group FA PID Function 0 FA 01 1 Al1 PID setup PID setup 2 Al2 source 1 xX source 3 Al3 4 PULSE setup DI5 5 Communicatio
131. nd clear the air duct Consult the manufacturer Replace the motor or remove the mechanical fault Check and reset Group F1 parameters L Fault Diagnosis and Solution No Fault Phenomenon Possible Cause en 174 The parameter is set wrongly The short circuit copper bar between OP and 24V is loosen Control board fault DI terminal disabled In the close loop 1 The PG is damaged or vector control mode cable connection is wrong the motor speed is 2 The internal parts of the always low inverter are damaged The motor parameters are set wrongly Acceleration deceleration time is improper Load fluctuates The inverter frequently reports over current fault and over voltage fault ERR17 alarm is reported upon power on The soft start contactor is not switched on MD320 MD320N User Manual Check and reset Group F4 related parameters Reconnect the cables Consult the manufacturer Replace the PG and reconfirm the cable connection Consult the manufacturer Reset Group F1 parameters or perform motor tuning Set proper acceleration deceleration Consult the manufacturer Check if the contactor cables are loosened Check if the contactor has fault Check if the 24V power supply of the contactor has fault Consult the manufacturer 9 Appendix Appendix MD320 MD320N User Manual Appendix Card Description Appendix A Description of Common PG Card MD32P
132. ndard output of analog output zero offset is 0 and gain is 1 is OMA to 20mA or Ov TO 10V and the output range of FMP is between OHz and setup value of F5 09 The corresponding value range that it indicates is shown in the table below 122 MD320 MD320N User Manual Parameter Description eT e 0 Running frequency O to maximum output Oto maximum output frequency 2 Outputeurent 0 to2 times ofthe motor rated curent_ REE owns Vtv to 10V gt a O o n oe Communication eA SOS O Ol setup FMP output maximum Factory default value 50 0kHz CT Setup range si range 0 1kHz 50 0kHz When the FM terminal is selected as pulse output it can output maximum frequency of the pulse reo porotcom AO1 offset coefficient Factory default value Setup range range 100 0 100 0 mo AO1 gain Factory default value 40 Setup range range 10 00 10 00 AO2 offset coefficient Factory default value 0 00 Setup range 100 0 100 0 mo AO2 gain Factory default value 40 Setup range 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 AO1 and AO2 zero offset coefficients 100 corresponds to 10V 20mA Standard output refers to 0 to maximum analog output corresponding to the output of 0 to10V 20mA 123 Parameter Description MD320 MD320N User Manual It is generally used to correct the zero drif
133. ngth control Main auxiliary reference of any channel Communication function Via the expansion card Via the specialized card Multiple point V F Available Only A12 can be auxiliary setup Main auxiliary setup Preface MD320 MD320N User Manual 3 The top layer module of MD series inverter is a specialized industry module and also a platform provided to satisfy the specialized industry demands enabling the customers to either apply the existing solutions or perform secondary development according to their own needs Refer to Figure 2 MD Series Inverter Modular Structure Diagram for the top layer sub modules Ethernet 04U0O UO DUN 4 0197 NS IEM PED SUYDEN usuedxq O I pieg sng Q 3 3 Q Q a PJED UOl e OS jeubig Bojeuy 04409 91607 ma U D Ss Q Q 01 UO UOISUS JE 01 UO Pen 1UOO pJeoq 8y 07 Adoy Japuleled BJOLUSY SSO AII a 2 a 2 a PED SOePAUY 3 MD320 Control Module MD300 Control Module Common PG Card Hig performance Control Module 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 The entire system has independent ventilation which can be installed outside or inside the radiator cabinet directly input DC bus terminal and DC powered fan that enable the standard products to be compatible with the
134. nly at the time of deceleration In the V F control mode when it needs fast stop and there is no brake resistor selecting Inactive 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 Active Oscillation suppression gain Factory default value me Setup range 0 100 Select 0 for this gain when the motor has no oscillation Only when the motor has obvious oscillation 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 F4 Input Terminal The standard unit of MD320 series inverter has five multifunctional digital input terminals DI5 of which can be used as high speed pulse input terminal and two analog input terminals If the system needs more input output terminals optional multifunctional input output expansion card can be used The multifunctional input output expansion card has 5 multifunctional digital input terminals DI6 to DI10 and 1 analog input terminal AI3 DI1 terminal function 1 Forward Factory default value l selection rotation DI2 terminal function 4 Forward rotation Factory default value selection
135. nrnnnrneen 181 Appendix C Description of IO Expansion Card MD321O rrrrrnnnrrrrrnnnrrrnnnnnrrnrnnnrennnnnneennnn 182 Appendix D Description of Communication Card MD32MBS rrrrrerrerrrnnrrerrranrernvnnnnennnn 186 Appendix E Description of Parameter Copy Card MDCP rvrrrarrrnvrvvnrnnnrnvrvnrrnnnrnnennrrnnsnnnr 188 Appendix F MD320 serial communication protocol arrrrrannnnnnnrnrnnnrnrnnnnnnnnrnvnnnrnnnnnnnnnsnnnnnr 189 Preface MD320 MD320N User Manual Connection to peripheral divices Three phase AC power supply Please use the power supply which is within the inverter specification Electromagnetic Contactor To insure the safety please use electromagnetic contactor Please do not use the electromagnetic contactor to start and stop the inverter otherwise it will reduce the lifetime of the inverter not use the electromagnetic contactor to start and stop the inverter gt otherwise it will reduce the lifetime of the inverter Electromagnetic Contactor ST To insure the safety please use electromagnetic contactor Please do D p AC Reactor Suppress the high order harmonic to improve the power factor Brake Resistors Optional Brake Unit or Energy Feedback Unit Optional It can give full play to the regenerative capacity of the inverter pleas use according to needs Input Side Noise Filter Inovance Inverter Gr
136. ntrol via this terminal Protect the inverter from affecting by the external Speed up speed down signals except stop command and maintain the inactive current frequency PID is inactive temporarily and the inverter 22 PID Pause a maintains the current frequency output PLC pauses during the execution process When 23 PLC status reset it resumes running it can effectively restore to the initial status of simple PLC via this terminal 113 Parameter Description MD320 MD320N User Manual Setup Description KEM Counter Counterinput The input terminal of counting The input terminal of counting pulse GT a oe O O 28 egnes teger gt re The The torque control of inverter is inactive control of inverter is inactive PULSE pulse frequency It is pulse input terminal input enabled B aa for sa a Reserved ra terminal is enabled and the inverter directly Brake command switches to the DC brake status External fault normally After the external fault signal is sent to the closed input inverter the inverter reports fault and stops Attached Table 1 MS Speed Function Description Frequency Corresponding Parameter Setup OFF OFF MS speed 10 OFF MS speed 11 MS speed 12 OFF MS speed 13 OFF MS speed 14 MS speed 15 114 MD320 MD320N User Manual Parameter Description Attached Table 2 MS Speed Function Description Speed up speed down Terminal 2 Terminal 1 Corresponding Parameter
137. nual Mechanical and Electric Installation Terminal Symbol Function Description Normally closed AC250V 3A COS 0 4 TAE terminal DC 30V 1A Contact driving capacity T A T C Normally open AC250V 3A cosp 0 4 terminal DC 30V 1A 28 core terminal and interface with optional Functional cards I O expansion card multiple pump J expansion card water supply expansion card extension card interface MODBUS communication card and various bus cards 1 Rxeme external keyboard and parameter copy unit CN3 keyboard a i interface interface 3 Description of Connection of control terminals gt E x lt 3 ied O Ap A Analog input terminal Since the weak analog voltage signal is easy to suffer external interferences it needs to employ shielded cable generally and the length shall be no longer than 20 meters as shown in Fig 3 9 In case the analog signal is subject to severe interference and analog signal source side shall be installed with filter capacitor or ferrite magnetic core as shown in Fig 3 10 MD320 eg than 20 Meters Potentiometer Fig 3 9 Schematic Diagram for Connection of Input Terminal of Analog Signal Cross in the Same Direction or Wind 2 to 3 Coils in the Same Direction External Analog Source Ferrite Magnetic Ring 0 022uF 50V Fig 3 10 Schematic Diagram for Connection of Terminal of analog Input 55 Mechanical and Electric Instal
138. oard E 3 Connection Connect the parameter copy keyboard to the external keyboard interface of the control board with the external lead cable attached E 4 Description of Parameter Copy Operation Process For the inverters with the same parameter setting requirements it can reduce the workload of the parameter setting through the parameter copy keyboard while increasing the accuracy of the parameter setting and reducing the possibility of human errors It needs to configure the parameters of one inverter firstly and then download down these parameters to the parameter copy keyboard and finally upload up to other inverters with the parameter copy keyboard When downloading parameters press down key for nearly 3 seconds and the up down indictor will be ON indicating the parameter download starts The parameter download is not completed until the up down indictor is OFF When uploading parameters press up key for nearly 3 seconds and the up down indictor will flash indicating the parameter upload starts The parameter upload is not completed until the up down indictor is OFF E 5 Precautions for Parameter Copy 188 MD320 MD320N User Manual Appendix a Parameter download or upload is inactive during the inverter running process b The inverter running is disabled during the process of parameter download or upload c Only the inverter with minimum software version 1 61 of MD320 control b
139. oard can use the parameter copy keyboard d During the parameter download or upload process if the connecting cable of the keyboard is unplugged or loosen the inverter will report ERR21 protection If operation is not completed normally during the parameter download or upload please check if the inverter software version is over 1 61 or if the connecting cable is loosen and repeat the parameter download or upload Appendix F MD320 serial communication protocol MD320 series of inverter provides RS232 RS485 communication interface and adopts MODBUS communication protocol User can carry out centralized monitoring through PC PLC to get operating requirements F 1 About Protocol This serial communication protocol defines the transmission information and use format in the series communication and it includes master polling or broadcasting format master coding method and the content includes function code of action transferring data and error checking The response of slave is the same structure and it includes action confirmation returning the data and error checking etc If slave takes place the error while it is receiving the information or cannot finish the action demanded by master it will send one fault signal to master as a response F 2 Application Methods The inverter will be connected into a Single master Multi slave PC PLC control net with RS232 RS485 bus F 3 Bus structure 1 Interface mode RS232 RS485 Hardw
140. oder can also be used as common encoder I Bt W U A GND V EHASHS A VCC V B W U 60 45 om i 000000 eG O00 000000 OUT A IL COM OUT B 22 62 j Appendix B Fig 1 Schematic Diagram for Differential PG Card Structure 181 Appendix MD320 MD320N User Manual Appendix C Description of IO Expansion Card MD32I0O C 1 Overview MD32I0 card is I O expansion card launched by Shenzhen Inovance Technology Co Ltd to support the use of MD320 series inverter It can add five digital inputs one analog voltage signal input one relay signal output one digital signal output and one analog signal output Meanwhile IO expansion card has communication function and supports RS 485 communication mode C 2 Mechanical Installation and Control Terminal Function C 2 1 Refer to Fig 1 Fig 2 and Fig 3 of Appendix C respectively for the installation mode physical dimensions jumper interface and CN3 signal definition 1 Installation shall be conducted when the inverter is completely disconnected from power supply 2 Align the expansion card interface of I O expansion card with the locating hole of the control board of the
141. on data format of MD320 series of inverter is shown as following In RTU mode messages start with a interval of at least 3 5 character times This is most easily implemented as a multiple of character times at the baud rate that is being used on the network shown as T1 T2 T3 T4 in the figure below The first field then transmitted is the device address The allowable characters transmitted for all fields are hexadecimal 0 9 A F Networked devices monitor the network bus continuously including during the silent intervals When the first field the address field is received each device decodes it to find out if it is the addressed device Following the last transmitted character a similar interval of at least 3 5 character times marks the end of the message A new message can begin after this interval The entire message frame must be transmitted as a continuous stream If a silent interval of more than 1 5 character times occurs before completion of the frame the receiving device flushes the incomplete message and assumes that the next byte will be the address field of a new message Similarly if a new message begins earlier than 3 5 character times following a previous message the receiving device will consider it a continuation of the previous message This will set an error as the value in the final CRC field will not be valid for the combined messages A typical message frame is shown below RTU frame format START Fame curt 3
142. on on the places where the inspection is a difficult thing Periodic inspection Items include 1 Check and clean the air duct periodically 2 Check if the screws are loosened 3 Check if the inverter is corroded 4 Check if the wire connector has arc signs 5 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 insulating resistance meter to control the insulation of the circuit It is not necessary to conduct the high voltage test which has been completed upon delivery 35 Product Information MD320 MD320N User Manual 2 7 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 2 to 3 years electrolytic capacitor 4 to 5 years The user can determine the year of replacement according to the operating time 1 Cooling fan Possible reason for damage Bearing is worn and blade is aging 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 in poor quality high ambient temperature frequent load jumping and electrolyte aging
143. or pair wires shall be used and connected in parallel Do not connect the brake resistor directly to the DC bus or it may damage the inverter and even cause fire C 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 D Connecting terminals P and of external reactor For the inverter of more than 75kW with external reactor when assembling remove the connector between terminals P and and connect a reactor instead E Terminals U V W at the output side of the inverter 52 MD320 MD320N User Manual Mechanical and Electric Installation 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 generate 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 When the length of motor cable is longer than 100 meters it needs to install a AC output reactor F Earth terminal PE This terminal shall be earthed reliably with resistance of earth cable of less than 0 10
144. order order CRC Checking In RTU mode messages include an error checking field that is based on a CRC method The CRC field checks the contents of the entire message The CRC field is two bytes containing a 16 bit binary value The CRC value is calculated by the transmitting device which appends the CRC to the message The receiving device recalculates a CRC during receipt of the message 192 MD320 MD320N User Manual Appendix and compares the calculated value to the actual value it received in the CRC field If the two values are not equal an error results The CRC is started by OxFFFF Then a process begins of applying successive eight bit bytes of the message to the current contents of the register Only the eight bits of data in each character are used for generating the CRC Start and stop bits and the parity bit do not apply to the CRC During generation of the CRC each eight bit character is exclusive ORed with the register contents Then the result is shifted in the direction of the least significant bit LSB with a zero filled into the most significant bit MSB position The LSB is extracted and examined If the LSB was a 1 the register is then exclusive ORed with a preset fixed value If the LSB was a 0 no exclusive OR takes place This process is repeated until eight shifts have been performed After the last eighth shift the next eight bit byte is exclusive ORed with the register s current value and the process r
145. ory default value 0 01 Setup range 0 0 100 0 Divation limit When the PID feedback deviation is within this range the PID stops adjustment er Differential Fa Tae Factory default value Setup range range O 100 Group FB Swing Frequency Fixed Length and Count The swing frequency function is applicable to the textile and chemical fiber fields and the applications where traversing and winding functions are required The swing frequency function means that the output frequency of the inverter swings up and down with the setup frequency frequency command is selected by F0 07 as the center The trace of running frequency at the time axis is shown in the figure below of which the swing amplitude is set by FB 00 and FB 01 When FB 01 is set to 1 indicating the swing amplitude is 0 the swing frequency is disabled Setting Frequency Hz Herse Amplitude Frequency Aw Fset FB 01 Upper Limit FH Center s NE Je ER Frequency Fset w Frequency j Lower Limit FL Textile Kick Frequency AT FB 02 7 Timet Triangular Rising Time lt gt FB O34FB 04 Accelerate by G O Decelerate by Acceleration Time Deceleration Time e o Running Frequency Cycle FR 03 Command M Stop o a Command Fig 6 16 Skip Frequency Working Diagram Swing frequency setup mode Factory default value 0 FB 00 Ea Relative to the central frequency Setup range Relative to maximum frequency
146. ory default value 150 Setup range O 200 In the speed control mode F2 09 is used to select the setup source of torque upper limit When setting via the analog value 100 of the analog input setup corresponds to F2 10 and the setup 100 corresponds to the rated torque of the motor matching the inverter In the torque control mode torque upper limit source is the torque setup source Torque upper limit is the torque setup command rn Leem Encoder pulse number Factory default value 1024 Setup range range 0 65535 It is used to set the number of pulses of each turn of encoder Caution When the inverter controls the speed sensor vector control it must set the pulse number of the encoder correctly or the motor will run abnormally If normal operation cannot be realized after correct pulse number of the encoder is set exchange the connecting positions of Phase A and Phase B of the encoder Group F3 V F Control Parameters This group of function code is enabled only for the V F control FO 01 2 and is inactive for the vector control V F control is applicable to the general loads such as fan and pump or the applications where One inverter drives multiple motors or the inverter power is one level lower or higher than the motor power V F curve setup Factory default value o Em Straight V F curve Setup range Multiple point V F curve Square V F curve The fan and pump loads may select square V F control 0 St
147. otor power F1 02 Rated motor voltage F1 03 Rated motor current F1 04 Rated motor frequency F1 05 Rated rotation speed of motor If the motor is completely disconnected 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 Rotor resistance F1 07 rotor resistance F1 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 65 Operation and Display MD320 MD320N User Manual 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 motor are described below Lo refers to mutual inductive reactance of the motor 2 No load Current fo I 1 1 Mutual faduetanceem a IT f Lo Calculation 5 Where lo refers to no load current Im refers
148. ounding In order to prevent electric shock the motor and inverter must be well grounded Output Side Noise Filter Motor drive Grounding Diagram for the connection to peripheral divices Do not install the capacitor or surge suppressor at the output side of the inverter otherwise it may cause inverter failure or capacitor and surge suppressor damaged The Inverter input output main circuit contains harmonic components it may interfere with inverter accessories communications equipment Therefore install anti interference filter make minimize interference The details of peripheral equipments and accessories selection refer to the manual of peripheral equipments safety and Precautions Safety and Precautions MD320 MD320N User Manual Chapter 1 Safety and Precautions Safety definition In this manual safety precautions are divided into two types below AN Danger arising due to improper operations may cause severe hurt or even death AN Caution Danger arising due to improper operations may cause moderate hurt or light hurt or equipment damage During the installtion commissioning and maintenance of the system plesase make sure to follow the safety and precautions of this chapter In case of a result of illegal operations caused any harm and losses is nothing to do with the company 1 1 Safety precautions 1 1 1 Before Installation Do not use the damaged inverter or inverter with miss
149. our 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 8 Use under voltage rather than rated voltage If the MD series inverter is used outside 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 9 Change Three phase Input to Two phase Input It is not allowed to change the MD series three phase inverter into two phase one Otherwise it may cause fault or damage to the inverter 14 MD320 MD320N User Manual Safety and Precautions 1 2 10 Lightning Impulse Protection The series inverter has lightning over current protection device and has certain self protection capacity against the lightning In applications where lightning occurs fre quently the user shall install additional protection devices at the front end of the inverter 1 2 11 Altitude and Derating In areas with altitude of more than 1 000 meters the heat sinking effect of the inverter may turn poorer due to rare air Therefore it needs to derate the inverter for use Please contact our company for technical consulting in ca
150. ource X plus auxiliary frequency source Y 4 Switching between main frequency source Y and main frequency source X plus auxiliary frequency source Y Preset Preset 0 00Hz maximum frequency F0 08 0 01Hz 50 00Hz frequency frequency FO 10 Running Running 0 Direction is consistent FO 09 Kr ar er 1 direction direction 1 Direction is reverse Maximum Maximum FO 10 50 00Hz 300 00Hz 1 50Hz frequency frequency 0 FO 12 setup F z 1 Al1 requenc requenc SO ce A SO lt ar er 1 urce U urce U AR BPE Vara limit limit 4 PULSE setup 5 communication setup Frequency Frequency Frequency lower limit of F0 14 FO 12 a NE 0 01Hz 50 00Hz Ww upper limit upper limit maximum frequency of F0 10 Frequency Frequency a DE 0 00Hz maximum frequency of FO 13 upper limit upper limit aan 0 01Hz 0 00Hz Ww offset offset Frequenc Frequenc 0 00Hz Frequency upper limit FO 14 pr vr PEER 0 01Hz 0 00Hz r lower limit lower limit of F0 12 Carrier Carrier Model FO 15 0 5kHz 16 0kHz 0 1kHz Ww frequency frequency dependent 70 MD320 MD320N User Manual Function Parameter Table Factory cae Function j Modification LED display Set range default Dax code description value 0 Fixed PWM carrier frequency temperature adjustment inactive 1 Random PWM carrier Carrier Carrier frequency temperature frequency frequency adjustment inactive 1 9 d adjustment adjustment 2 Fixed PWM carrier wave selection selection temperature ad
151. pe Tuning selection Factory default value Do o o y o noon OO Setup range Static tuning Complete tuning be conducted because it is not easy to disconnect the motor from the load 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 inverter please select rotary tuning During the rotary tuning the motor must be 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 accelerate to 80 of the rated motor frequency in accordance with the setup acceleration time of F0 17 and maintain for certain period of time Then the motor will decelerate to zero speed in accordance with the setup acceleration time of F0 18 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 103 Parameter Description MD320 MD320N User Manual Tuning operation description When F 1 11 is set to 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 After the tuning is completed the display will return to the stop status interface The tuning process can
152. ping Guide of braking resistor for details 49 Mechanical and Electric Installation MD320 MD320N User Manual 3 2 4 Main Circuit Terminals and Connections Make sure that the power switch is in OFF status prior to perform wiring connection Otherwise there may be danger of electric shock Only the qualified and trained personnel can perform wiring connection Otherwise it may cause equipment and human injuries It shall be earthed reliably Otherwise there may be danger of electric shock or fire Make sure that the rated value of the input power supply is consistent with that of the inverter Otherwise it may damage the inverter Make sure that the motor matches the inverter Otherwise it may damage the motor or generate inverter protection Do not connect the power supply to the terminals of U V and W Otherwise it may damage the inverter Do not directly connect the brake resistor between the DC bus terminals and Otherwise it may cause fire Largest Cable Size Torque of Power Terminal pf mm AWG k tem TE 8046 25 14 14 05 soze 25 14 14 05 MS Screw hole G L1 L2 PB U VIW Al sise a0 12 14005 8226 60 10 14 05 Largest Cable Size Torque of Power Terminal 8mm M3 Screw hole m m AWG HEIE wou
153. play When the inverter is restarted upon power shutdown the displayed parameters are the parameters selected before the power shutdown 4 6 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 the function code editing status When pressing PRG key again will be displayed and common menu cannot be entered until user password is input correctly To cancel the password protection function enter with password and set FP 00 to 0 The user password protection for the parameter items in the shortcut men depends on the status of F7 03 and is inactive for the parameter values 4 7 Automatic Tuning of Motor Parameters To select the vector control running mode it must input the nameplate parameter of the motor accurately prior to the running of the inverter The MD320 inverter will select standard motor parameters matching the nameplate parameter Since the vector control mode relies highly on the motor parameters it must acquire the accurate parameters of the controlled motor to ensure the good control performance The procedures for the automatic tuning of motor parameters are described below First select the command source F0 02 as the command channel of the operation panel Second input the following parameters in accordance with the actual motor parameters F1 01 Rated m
154. ple PLC PLC running mode Factory default value Ta FC 16 0 Stop upon completion of one time running Keep final value upon completion of one time Setup range 1 running Constant circulation PLC power failure memory Factory default value selection Power failure without memory Setup range 2 Power failure without memory Power failure with memory 0 Stop upon completion of one time running The inverter will automatically stop upon completion of one single cycle and will not restart until another running command is given 1 Keep final value upon completion of one time running The inverter will automatically keep the running frequency and direction of last one segment upon completion of one single cycle 2 Constant circulation 149 Parameter Description MD320 MD320N User Manual The inverter will automatically start next one cycle upon completion of one cycle and will not stop until stop command is given PLC power failure with memory means the running phase and frequency of PLC before power failure is memorized Running time of zero FC 18 segment of PLC Factory default value 0 0s h Setup range 0 0s h 6553 5s h Speed up speed down time of Zero segment of PLC pace RIE po de e i time of Factory default value 0 0s h Setup range 0 0s h 6553 5s h Speed up speed down time of first segment of PLC Racy derau valie Second segment running time of PLC Factory default value 0 0s h Setup range
155. quency is a variable value If the swing amplitude relative to the maximum frequency fixed swing amplitude select FB 00 1 is selected the kick frequency is a fixed value Swing frequency cycle Factory default value Setup range 0 0s 3000 0s Setup range range 0 0 100 0 Time constant of triangular Factory default value 50 0 FB 04 wave Fane i Swing frequency cycle It refers to the time of a complete cycle of swing frequency FB 04 Time constant of triangular wave boost is relative to FB 03 swing frequency cycle Triangular wave boost time swing frequency cycle FB 03 x time constant of triangular wave boost FB 04 unit s Triangular wave falling time swing frequency cycle FB 03 x 1 time constant of triangular wave boost FB 04 unit s pe Setup length Factory default value 1000m Setup range range Om 65535m Actual length Factory default value FB 06 Setup range Om 65535m Number of pulses each Factory default value 100 0 grovere 7 Setup range range 0 1 6553 5 146 MD320 MD320N User Manual Parameter Description The setup length actual length and number of pulses each meter are mainly used for fixed length control The length is calculated via the pulse signal input by the digital input terminal and it needs to set the corresponding input terminal to length count input terminal It needs to use DI5 input generally when the pulse frequency is relatively high Actual length length coun
156. r 2 Schematic Diagram for the Connection of Push Pull Output Encoder PG Card Open collector output code Shielded cable ye _ Appendix A Fig 7 Schematic Diagram for the Connection of Push Pull Output Encoder 180 MD320 MD320N User Manual Appendix Appendix B Description of Long line Drive PG Card MD32PG3 This PG card is connected to the adapter of Inovance inverter as differential encoder It can be applied in the situation with synchronous motor and induction motor close loop control 1 When the synchronous motor is applied it can connect to the UVW encoder of the rotor magnetic role and the number of poles of the UVW encoder shall be equal to that of the synchronous motor Only when the number of poles is equal can they be used together 2 When the induction motor is applied it connects to the common differential encoder and the UVW terminal needs no cable connection at this time 3 It must use the encoder with operating power supply of 5V 4 PG card terminal description Appendix B Table 1 PG Card Terminal Description Response speed 5V COM Operating power supply of encoder A A A B signal of 0 to 80kHz B B encoder When the common UVW position signal 0 to 10kHz encoder is applied this of encoder terminal has no cable connection aie A B signal output 0 to 80kHz 100mA Open collector signal Caution 1 It must use the encoder with operating power supply of 5V 2 The UVW enc
157. r Do not repair and maintain the equipment with power connection Otherwise there will be danger of electric shock be sure to conduct repair and maintenance after the charge LED indictor of the inverter is OFF Otherwise the residual charge on the capacitor may Cause personal injury The inverter shall be repaired and maintained only by the qualified person who has received professional training Otherwise it may cause personal injury or equipment damage Carry out parameter setting after replacing the inverter all the plug ins must power outage 1 2 Precautions 1 2 1 Motor Insulation Inspection When the motor is used for the first time or when the motor is reused after being kept or when periodical inspection is performed it shall conduct motor insulation inspection so as to avoid damaging the inverter because of 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 does not match those of the inverter especially when the rated 13 Safety and Precautions MD320 MD320N User Manual power of the inverter is higher than the rated power of the motor the relevant motor protection parameters in the in the inverter shall be adjusted or thermal relay shall be mounted to protect t
158. r reducing the carrier frequency may result in addition of motor noise Note that additional installation of reactor is 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 the corresponding leakage current will be high too 2 Factors of producing leakage current between the cables and solutions There is distributed capacitance between the output cables of the 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 current 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 using the inverter please follow its rated values strictly Since the filter belongs to Classification electric appliances the metal enclosure of the filter shall be large and the metal ground of the installing cabinet shall be well earthed and have good conduction continuity Otherwise there may be danger of electric shock and the EMC effect may be greatly affected 2 Through the EMC test it is found that the filter ground must be connected wit
159. r details Frequency upon Display the frequency upon fault for the most recent one time fault Current upon Display the current upon fault for the most recent one time fault Bus voltage upon fault Display the bus voltage upon fault for the most recent one time 141 Parameter Description MD320 MD320N User Manual This value is a decimal number Display the status of all the digital input terminals upon fault for the most recent one time with sequence of BIT9 BIT8 BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 BITO 11 Input terminal D status upon faul it will be displayed in decimal number converted from each digit status When the input terminal is ON the corresponding value is 1 When the input terminal is OFF the value is 0 It can know the details regarding digital output signal via this value Display the status of all the digital input terminals upon fault for the most recent one time with sequence of DOZ DO1 REL2 REL1 FMP Output terminal it will be displayed in decimal number converted from each digit upon fault status When the input terminal is ON the corresponding value is 1 When the input terminal is OFF the value is 0 It can know the details regarding digital output signal via this value Group FA Process Control PID Function PID control is a general method of process control It adjusts the output frequency through proportional integral and differential calculations o
160. r of the inverter upon power on Otherwise there will be danger of electric shock Do not touch the inverter and its surrounding circuit with wet hand Otherwise there will be danger of electric shock Do not touch the inverter terminals including control terminal Otherwise there will be danger of electric shock At power on the inverter will perform the security check of the external heavy current circuit automatically Thus at this time please do not touch the terminals U V and W or the terminals of motor otherwise there will be danger of electric shock If parameter identification is required due attention shall be paid to the danger of injury arising from the rotating motor Otherwise accident may occur Do not change the factory settings at will Otherwise it may damage the equipment 12 MD320 MD320N User Manual Safety and Precautions 1 1 6 During the operation q Danger Do not touch the fan or discharge resistor to sense the temperature Otherwise you may get burnt Detection of signals during the operation shall only be conducted by qualified technician Otherwise personal injury or equipment damage may be caused aution During the operation of the inverter keep items from falling into the equipment Otherwise it may damage the equipment Do not start and shut down the inverter by connecting and disconnecting the contactor Otherwise it may damage the equipment 1 1 7 During Repair ange
161. r on the control Analog input board ene terminal 2 2 Input impedance It is 100kQ at the time of voltage input and 500Q at the time of current input sakene one 1 Optical coupling isolation compatible with DI2 COM Digital input 2 dual polarity input DI3 COM Digital input 3 2 Input resistance 3 3kQ DI4 COM Digital input 4 3 Voltage range for level input 9V 30V In addition to the characteristics of DI1 to DI4 it he as iti can also be used as the high speed pulse input DI5 COM pulse input oan p p terminal Canne Maximum input frequency is 50kHz yndu Bojeuv yndu je 61q The voltage or current output is determined by the J4 jumper on the control board em pe enue Output voltage range OV 10V Output current range OMA 20mA Optical coupling isolation dual polarity open collector output Output voltage range Output current range Caution The CME and COM is internally oe gd i i insulated but they have been short circuited externally DO1 is driven by 24V by default prior to delivery When DO1 needs to be driven by the external power the short circuited between CME and COM must be disconnected It is limited by functional code F5 00 FM Terminal Output Mode Selection FM COM Highspeed when it is used as high speed pulse a the ses Me frequency can reach 50kHz 7 When it is used as open collector output it is same as DO1 in terms of specifications yndjno jey 6iq 54 MD320 MD320N User Ma
162. raight V F curve It is suitable for common constant torque load 1 Multiple point V F curve It is suitable for the special loads such as dehydrator and centrifugal 107 Parameter Description MD320 MD320N User Manual machine 2 Square V F curve It is suitable for the centrifugal loads such as fan and pump Setup range range 0 0 30 Cutoff frequency of torque Factory default value 50 00Hz boost Setup range 0 00Hz maximum output frequency 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 0 Adjusting this parameter effectively 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 0 the inverter will adopt auto torque boost Cutoff frequency of torque boost Under this frequency the torque boost is enabled If it exceeds this setup frequency the torque boost is inactive Refer to Fig 6 3 for details Output Voltage Output fl fb Frequency VI Manual Torque Boost Voltage Vb Maximum Output Voltage f 1 Cutoff Frequency of Torque Boost f b Rated Running Frequency Fig 6 3 Schematic Diagram for Man
163. rake current is the higher the brake force is DC brake current at start refers to the percentage of rated current of the inverter Factory default Speed up speed down mode value F6 07 es Lo Straight speed up speed down etup range S curve speed up speed down It is used to select the frequency change mode during the inverter start and stop process 0 Straight speed up speed down The output frequency increases or decreases along the straight line The speed up speed down time varies with the setup acceleration deceleration time The MD320 series inverter provides four types of speed up speed down time It can select speed up speed down time via the multifunctional digital input terminals F4 00 to F4 08 1 S curve speed up speed down The output frequency increases or decreases along the S curve S curve is generally used in the applications where start and stop processes are relatively flat such as elevator and conveyor belt Refer to F6 08 and F6 09 for the meanings of the parameters Start segment proportion Factory default er F6 08 ME S curve value Setup range range 0 0 40 0 End segment proportion Factory default er of S curve value Setup range 0 0 40 0 t1 in the following figure is the parameter set in F6 08 within which the output frequency change slope increases gradually t2 is the time defined in F6 03 with which the slope of the output frequency change gradually decreases to 0 Within the t
164. rance color is light gray MD320 series inverter s shell are divided into two parts it contains upper cover plate and down cover plate And there is no bottom shell The appearance color is blue 2 MD320N series has a built in radiator There is bottom enclosure wrapping MD320 series radiator is externally installed 3 MD320N series cooling fan is in the bottom shell without screws and easily installed MD320 series cooling fan is in the radiator with screws 4 MD320N series keyboard can be removing without screws fixed MD320 series keyboard panel is installed on the cover plate 5 MD320N series has a Fence type Lead Out Wires hole MD320 series has a closed Lead Out Wires hole with a Rubber Seal Ring 6 The installation dimensions are different See the MD320N series mounting dimension table for details Contents EEEE E E E E 1 Chapter 1 Safety and PrecautiOns cccceccseeeeeeeeeeeeeeeees 10 EE Ly PhS CAUTION S EEE E E EO Taai E EEREN 10 2 FE AU UMN sate ce ee sec E oe cae ee 13 Chapter 2 Product INMOMMAlON scicicissciinccnsctanccwancvensdanseuiiwenienntne 18 2 1 Designation EE EE REE ER EN NN 18 ae aS 72 AE 18 2 3 MD320 Inverter EEE EE 19 24 lechnical SPCCINCANONS essre E aE E AEREE EEEE AEREE amsdkike 21 2 5 Physical Appearance and Dimensions of Mounting Hole 0ccccceeseeeeeeeeeeeeeeeeeeeaees 23 26 PE 33 2 7 Routine Repair and Maintenance of iNVertel cceccccesseecceceecees
165. rload protection gain Motor Overload overload pre warning 50 100 pre warning o coefficient coefficient Stall gain over Stall gain over F9 03 O no stall over voltage to 100 1 Ww voltage voltage Stall protection Stall point over 120 150 1 130 X voltage over voltage voltage Stall gain over Stall gain over F9 05 0 100 1 20 X current current Stall rotection Stall point over F9 06 100 200 1 150 sr current over current current Transient Transient 0 Inactive F9 07 stop non stop stop non stop 1 Ww 1 Active function function Transient Transient stop non stop stop non 0 01Hz 08 0 00HZ s maximum frequency s 10 00Hz s xX frequency stop frequency S falling rate falling rate 0 F9 Fault auto Fault auto F9 09 0 3 1 Ww reset times reset times T A T B T C Faulty rely action O No action 1 a selection 1 Action during the fault auto reset Fault auto Fault auto F9 11 0 1s 100 0s 0 1s 1 Os X reset interval reset interval Input phase Input phase failure 0 Inactive failure 1 1 X protection 1 Active selection selection 84 MD320 MD320N User Manual Function Parameter Table Factory cae Function j Modification LED display Set range default Dax code description Output Output phase failure i 0 Inactive phase failure protection i 1 Active i selection selection 0 No fault The first fault 1 Inverter unit protection type The seco
166. ry default value FO 06 Y Setup Range 0 to 100 gi Parameter Description MD320 MD320N User Manual When the frequency source selection is frequency overlap reference F0 07 is set to 1 or 3 it is used to determine the adjustment range of auxiliary frequency source F0 05 is used to determine the relative object of that range If it is relative to maximum frequency X that range will vary with the main frequency X Frequency source selection Facorydefautvaue 0 0 Main fequeneysoucex Main frequency source X plus auxiliary frequency source Y Switching between main frequency source X Siar and auxiliary frequency source Y Setup Range Switching between main frequency source X 3 and main frequency source X plus auxiliary frequency source Y Switching between main frequency source Y 4 and main frequency source X plus auxiliary frequency source Y This parameter is used to select the frequency reference channel Frequency reference is realized through combination of main frequency source X and auxiliary frequency source Y When 1 is selected the frequency source main frequency source X plus auxiliary frequency source Y can realize frequency overlapping function When 2 is selected it can switch between the main frequency source X and auxiliary frequency source Y via the multifunctional input terminal Frequency Source Switching When 3 is selected it can switch between the main frequency source X and main frequenc
167. s F0 12 The addition of offset frequency and analog setup value of frequency upper limit is used as the final setup value of frequency upper limit EO lower limit Factory default value 0 OOHz Setup range range 0 00Hz to frequency upper limit F0 12 The inverter starts from the start frequency If the reference frequency is lower than frequency lower limit during the running process the inverter will keep running under frequency lower limit until it stops or the reference frequency is higher than the frequency lower limit ross camer tee Carrier frequency Factory default value Model dependent Setup range range 0 5kHz 16 0kHz This function is used to adjust the carrier frequency of the inverter By adjusting the carrier frequency the motor noise can be reduced and the resonance of the mechanical system can be avoided so that 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 decreased but the inverter loss and temperature rise will increase and so will the interference The adjustment of carrier frequency will have influences on the following performances inverter temperature rise Low to high Leakage current low to hi
168. s UP 0 01 Hz s 100 00HZz s H i 1 00Hz s Ww Z UP DOWN DOWN Al1 minimum Allt minimum F4 13 0 00V 10 00V 0 01V 0 00V X input input Al1 minimum input Al1 minimum a 400 0 100 0 0 1 0 0 sr corresponding setup setup Al1 maximum Allt maximum F4 15 0 00V 10 00V 0 01V 10 00V Ww input input Al1 maximum input Al1 maximum sa 100 0 100 0 0 1 100 0 Ke correspondi setup ng setup Al1 input filter Al1 input filter F4 17 0 00s 10 00s 0 01s 0 10s X time time Al2 minimum Al2 minimum input input 76 MD320 MD320N User Manual Function Parameter Table Factory ee Function y Modification LED display Set range default nee code description value Al2 minimum input Al2 minimum 100 0 100 0 0 1 0 0 X correspondi setup ng setup Al2 maximum Al2 maximum F4 20 0 00V 10 00V 0 01V 10 00V X input input Al2 maximum input Al2 maximum 100 0 100 0 0 1 100 0V Ww correspondi setup ng setup Al2 input filter F4 22 ii Al2 filter time 0 00s 10 00s 0 01s 0 10s X ime Al3 minimum input on IO Al3 minimum 0 00V 10 00V 0 01V 0 00V X expansion input Al3 minimum input correspondi AI3 minimum 100 0 100 0 0 1 0 0 ng setup on setup IO expansion Al3 maximum input on IO AI3 maximum 0 00V 10 00V 0 01V 10 00V expansion input AI3 input filter time on IO Als filter time 0 00s 10 00s 0 01s 0 10s expansion Pulse pulse input D 0 01 _ minimum 0 00kKHz 50 00kHz 0 00kHz minimum kHz
169. saeeeeeseeeeeeeseeeeeeseaeees 55 2 8 Instructions on Warranty of INVENER uansett edrunneanre 36 2 PO ig GUNG Ereinen E a E E E E 37 2 10 Guide to Prototyping of Brake Components sass 0c2 02s cxrscncenteaseescrtaveaseed oxeetierssvecessseadoarexers 37 Chapter 3 Mechanical and Electric Installation 42 21 MESNALI BEN eee 42 pe es ALS ell AN OM EE NE ER EE 45 Chapter 4 Operation and Display roreraneranonaroranrnnrnnnrnnnnnnn 60 4 1 Introduction to Operation and Display Interface rrrarrrrrrnnnrrrrrnnnrerrnnnrrrnrnnnrrnrnnnnrrnnnnnnnn 60 4 2 Description of Function Code Viewing and Modification Methods rrrnrrnnnrrrvrvrnrnnrrrernnnn 61 4 3 Shortcut Menu Operation Mode rrannnrnnrnnnnonrannnvrnrnnnnvnnannnrnnrnnnnennannnrnnnnnnnennansnennnnneneennn 62 TJENT INNE ed 64 4 5 Method of Viewing Status Parameter anrrrnrnnnrnnnrnnvrnvrnnnnnnvrnnrrnnnnsvnnnrrnnsnssrnnnrnnsrssennnnnnn 64 16 PFOS 65 4 7 Automatic Tuning of Motor Parameter Ss ciisccciacanstssacanacevsesseuscdseasssaaaastccsavadiectedateassdastesadanss 65 Chapter 5 Function Parameter Table 68 Chapter 6 Parameter Description rrnrrranrnnrrnnnrrnennnnrnnanenere 94 Group FO BNR kender 94 Group F1 Moor Par ani GterS wicccpircicacnctncstcudrnidisenuokicn astdsapencobaushiabaiaiabeinesbanseindueviaambesininimieesl 102 Group F3 VF Control P r neesLusursesssurutaosemnjsresnudeamisdeknnnivdddeinaeiden 107 Group REN 110 Group F6
170. se of such condition 1 2 12 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 13 Note 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 Please dispose the inverter as industrial wastes 1 2 14 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 in according to the rated current of the motor In applications where drive permanent magnetic synchronous motor is required please consult our company 2 The cooling fan and the rotor shaft of the non variable frequency motor adopt coaxial connection When the rotating speed is reduced the cooling effect will be poorer Therefore a powerful exhaust fan shall be installed or the motor shall be replaced with variable frequency motor to avoid the over 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 4 The short circuit of the cable or motor may cause
171. sible joan hein Local Address Factory default value mu Setup range range 1 247 0 is broadcast address When the local address is set to 0 that is broadcast address it can realize the broadcast function of host computer ros erme Response delay Factory default value Setup range range 0 20ms Response delay It refers to the interval time from the inverter finishes receiving data to sending data to the host machine If the response delay is less than the system processing time then the response based on the time delay of the system processing time Ilf the response delay is more than the system processing time after the system processes the data it should be delayed to wait until the response delay time is up then sending data to host machine KE Communicaton timeout Factory default value 005 Setup range range 0 0 s inactive 0 1 60 0s 199 Appendix MD320 MD320N User Manual When the function set to 0 0 s the communication timeout parameter is inactive When the function code set to RMS if the interval time between the communication and the next communication is beyond the communication timeout the system will report communication failure error Err16 At normal circumstances it will be set as inactive If in the continuous communication system set the second parameter you can monitor the communication status Communication protocol l Factory default value selection Ex Non stan
172. sion card PG card water supply card etc Indoor and be free from direct sunlight dust corrosive gas combustible gas oil smoke vapor drip or salt Altitude Lower than 1 000 meters Ambient 10 C Celsius to 40 C Celsius derated when used in the Environment aa m ambient temperature of 40 C Celsius to 50 C Celsius ee Less than 95 RH without condensing Vibration Less than 5 9 m s 0 6g Storage g 20 Celsius to 60 Celsius temperature 2 5 Physical Appearance and Dimensions of Mounting Hole Using Place 2 5 1 Physical Appearance Upper Cover Plate Operation Panel Lower Cover Plate Bottom Mounting Hole I O port Fan Inverter Nameplate Fig 2 3Physical Appearance of Inverter Zo Product Information MD320 MD320N User Manual FrontHousing Operation Panel Middle Housing I O port Bottom Housing Fan Inverter Nameplate Bottom Mounting Hole T OD OG Fig 2 5 Schematic Diagram for Physical Dimensions and Mounting Dimensions of 0 4kW 5 5kW a J NU 24 MD320 MD320N User Manual Product Information Fig 2 6 Schematic Diagram for Physical Dimensions and Mounting Dimensions of 7 5kW 15kW peoga
173. ssipation space of the inverter However the heat dissipation of other devices in the cabinet shall also be taken into account The installation bracket must be flame retardant In the applications where there are metal dusts it is recommended to mount the radiator outside the cabinet In this case the space in the sealed cabinet shall be large enough 3 1 3 Removing and mounting the lower cover plate The MD series inverter of less than 15kW employs plastic enclosure Please refer to Figure 3 2 and Figure 3 3 for removing the down cover plate of the plastic enclosure The hooker of the lower cover plate is easy to pull out with tools by forces inside Down cover plate Hook Align with Internal Side and Press with Forces Slot Fig 3 2 Removing the Lower Cover Plate of Plastic Enclosure 43 Mechanical and Electric Installation MD320 MD320N User Manual Hook Align with Internal Side Slot and Press with Forces Fig 3 3 Removing the Down Cover Plate of Plastic Enclosure The MD series inverter of more than 18 5kW employs sheet metal enclosure Please refer to Figure 3 4 for removing the lower cover plate of the sheet metal enclosure It is easy to loosen the screws of the upper cover plate with tools When removing the down cover plate be sure to avoid the falling of the down cover which may cause human injury or damage to the equipment Down cover plate Fig 3 4 Removing the Lower Cover Plate of Sheet Met
174. stant speed over voltage ERRO7 165 Fault Diagnosis and Solution MD320 MD320N User Manual Control power supply If the input voltage is within the range No Adjust the voltage to the range as as specified by the specifications gt specified by the specifications Ask for technical support Fig 8 8 Control power supply fault ERRO8 Under voltage fault Yes If there is transient power failure Reset the fault I No Detect if the voltage at the input end of No the inverter is within the range as i specified by the specifications Yes Measure if the DC bus voltage is normal I No No aa 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 ERROQ 166 MD320 MD320N User Manual Fault Diagnosis and Solution Inverter Overload Motor overload If the motor protection parameter F9 01 is set properly No Set this parameter properly Yes If the load is too heavy or motor does not rotate gt Reduce the load and check the motor and machinery No The inverter model is small Fig 8 10 Inverter Motor overload ERR10 ERR11 Phase loss at the input side l l Check and resolve the problems Check if three phase input in the external lines to ensure Ask for technical support power supply is normal that the three phase power input to the inverter is norm
175. t input number of pulses number of pulses each meter When the actual length FB 06 exceeds the setup length FB 05 the multifunctional digital output terminal Length Arrival Terminal will output ON signal refer to F5 04 function code Setup counting value Factory default value 1000 Setup range 165535 Designated counting value Factory default value 1000 Setup range 1 65535 The counting value is input to the terminal input pulse signal via the counter in the digital input terminal When the counting value reaches the setup counting value the digital output terminal will output signal of setup counting value arrival The counter will stop counting When the counting value reaches the designated counting value the digital output terminal will output signal of designated counting value The counter will continue counting till the setup counting value is reached The designated counting value FB 09 shall not exceed the setup counting value FB 08 This function is as shown the following figure Counting Pulse D15 Setting Count DO I en Designated Count Relay 1 Fig 6 17 Schematic Diagram for Setup Counting Value Reference and Designated Counting Value Reference Group FC MS Speed Function and Simple PLC Function Simple PLC function is to perform automatic control on the MS frequency logic through a built in programmable controller PLC of the inverter It can set running time running direction and running fr
176. t 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 and the zero offset shall be set to 80 Group F6 Start Stop Control Startmode Startmode Factory default value 0 Direct start When the DC brake time is non zero value perform DC braking Setup range prior to start Rotation speed tracking restart 0 Direct start If the DC brake time is set to 0 start at the start frequency When the DC brake time is non zero value perform DC braking prior to start It is applicable to the applications where reverse rotation is likely to occur when small loads are started 1 Rotation speed tracking restart The inverter judges the rotation speed and director 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 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 Rotation speed tracking Factory default value mode 0 Beginning from stop frequency Setup range Beginning from zero speed Beginning from maximum frequency
177. tandard of the manufacturer If there is any agreement the agreement shall prevail 2 9 Prototyping Guide Three control modes are available namely V F SVC and VC When selecting inverter 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 current of the inverter Generally the selection is based on the adaptable motor capacity as specified in the instruction manual Please pay attention to 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 speed the load is relatively light except Roots fan when running at low speed In addition this type of load has no special requirements for the rotation precision Thus square torque V F
178. the adjustment intensity is When this parameter is 100 indicating the deviation between PID feedback quantity and the reference quantity is 100 the adjustment amplitude of the PID regulator on the output frequency command is maximum frequency the integral and differential functions are neglected Integration time I It decides the speed of PID regulator adjusting the deviation between the PID feedback quantity and the reference quantity Integration time is the time within which the integration regulator the proportional and differential functions are neglected performs continuous adjustment and the adjustment quantity reaches maximum frequency F0 09 when the deviation between the PID feedback quantity and reference quantity is 100 The shorter the integration time is more powerful the adjustment intensity is Differential time D It decides the intensity of PID regulator adjusting the change rate of deviation between the PID feedback quantity and the reference quantity Differential time is the time within which if the feedback quantity changes 100 the adjustment quantity reaches maximum frequency F0 09 proportional and integral functions are neglected The longer the differential time is more powerful the adjustment intensity is 144 MD320 MD320N User Manual Parameter Description Cutoff frequency of reverse Factory default value 2 00Hz ae Te FA 08 Setup range range 0 00 maximum frequency cs cs Deviation limit Fact
179. tion mode No Yes If it inputs external fault signal via Check and remove the multifunctional terminal DI the external fault Stop the unit with the key STOP Reset to run under stall condition Fig 8 14 External equipment fault ERR15 Communications fault Errl6 l No Check the host computer If the host computer is working Gable connection Yes If the RS485 communication cable connection is normal Yes No If the baud rate setting is correct Yes If the communication parameters FD 03 and FD 04 are set correctly Yes Ask for technical support Fig 8 15 Communication fault ERR16 No Check the cable for communications Set the baud rate correctly No i Modify the communication parameters 169 Fault Diagnosis and Solution MD320 MD320N User Manual Contactor Fault No Replace the control board gt or power supply No gt Replace the contactor Check if the control board and power supply is normal Check if the contactor is normal Fig 8 16 Contactor fault Err17 Current detection fault Ask for technical support Detect if the drive board is normal No Replace the drive g board Fig 8 17 Current detection fault ERR18 170 MD320 MD320N User Manual Fault Diagnosis and Solution Motor tuning fault If the motor parameters are set as per the motor nameplate No Set the motor para
180. to F8 19 and F8 20 for details FDT arrival Please refer to F8 21 for details arrival 5 in zero speed When the inverter output frequency is less than the start operation frequency it outputs ON signal Judgment will be made according to the pre warning parameter Motor overload value before the motor electronic thermal protection is enabled pre warning If it exceeds the pre warning value it will output ON signal Motor overload parameters are set in F9 00 to F9 02 Inverter After it is found that the inverter is overloaded pre warning will overload pre be invoked 10 seconds before the occurrence of protection And warni ng ON signal will be output Setup counting When the counting value reaches the setup value of FB 08 it pulse arrival outputs ON signal Designat ed When the counting value reaches the setup value of FB 09 it counting pulse outputs ON signal Refer to Group B function description for the arrival counting function 10 ren When the measured actual length exceeds the setup value of i FB 05 it outputs ON signal PLC circulation When the simple PLC has been running for one cycle it outputs complete on a pulse signal with width of 250ms ria elie SEU When the accumulated running time of the inverter exceeds the setup time F8 17 it outputs ON signal When the setup frequency exceeds the frequency upper limit Frequenc y and frequency lower limit and the output frequency of the limiting inverter reaches
181. to mutual inductance while lo refers to leakage inductance 66 J Function Parameter Table Function Parameter Table MD320 MD320N User Manual Chapter 5 Function Parameter Table If FP 00 is set to non zero value it means parameter protection password is set and the parameter menu cannot be entered until correct password is input To cancel the password it needs to set FP 00 to 0 The parameters in the shortcut menu are free from password protection The symbols in the function table are described as follows Xz It indicates that the parameter setup value can be modified when the inverter is in stop status and running status Ye It indicates that the parameter setup value cannot be modified when the inverter is in the running status e It indicates that the numerical value of the parameter is the actually measured value which cannot be modified It indicates this parameter is Factory default parameter and can be set only by the manufacturer 68 MD320 MD320N User Manual Function Parameter Table Function Parameter Table Factory part Function Modification LED display Set range default ie code description Group F0 Basic Function Group 1 G model constant torque load model F0 00 Model display Model display 2 P model fan and pump load dependent model 0 Speed sensorless vector control SVC 1 Speed sensor vector control FO 01 Control mode Control
182. tware thus better controlling the motor Rotation speed tracking card 34 MD series general purpose RJ45 interface The output voltage of the inverter is synchronous with the mains supply of the inverter 3m are standard Add three cables from U V and W output to the rotation speed tracking card input MD320 MD320N User Manual Product Information 2 7 Routine Repair and Maintenance of inverter 2 7 1 Routine Repair The influence of the ambient temperature humidity dust and vibration will cause the aging of the devices 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 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 cooling fan works normally 5 Whether the inverter has over temperature Routine cleaning The inverter shall be kept clean all the time 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 cooling fan shall be effectively removed 2 7 2 Periodic Inspection Please perform periodic inspecti
183. ual Torque Boost 108 MD320 MD320N User Manual Parameter Description 0 00Hz rated motor frequency V2 rated motor frequency Six parameters of F3 03 to F3 08 define MS V F curve The setup value of V F curve is generally set in accordance with the load characteristics of the motor Caution V1 lt V2 lt V3 and F1 lt F2 lt F3 In case of low frequency higher setup voltage may cause over heat and even burning of the motor and stall over current or current protection of the inverter Fl F2 F3 Fb Frequency Hz V1 V 3 Segments 1 to 3 Voltage Proportion of MS V F F1 F 3 Segments 1 to 3 Frequency Point of MS VIF Fb Rated Motor Frequency F1 04 Fig 6 4 Schematic Diagram for V F Curve Setup Slip compensation coefficient Factory default value Setup range 0 200 0 109 Parameter Description MD320 MD320N User Manual It is enabled only for V F control Setting this parameter can compensate the 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 adjustment can refer to the following principles When the load is rated load and the slip compensation coefficient is set to 100 the rotation speed of the motor in the inverter is close to the given speed AVR Automatic Voltage Factory default value Regulation 0 Inactive Setup range Enabled Inactive o
184. um frequency of frequenc FMP output or Function Parameter Table Factory default 0 No output 1 Inverter is running 2 Fault output 3 Frequency level detection FDT output 4 Frequency arrival 5 In zero speed operation 6 Motor overload pre warning 7 Inverter overload pre warning 8 Setup counting value arrival 9 Designated counting value arrival 10 11 PLC circulation completion Length arrival 12 Running time arival 13 14 15 Ready for running 16 Al1 larger than Al2 16 17 18 19 20 communication reference Frequency limiting Torque limiting Reserved Frequency upper limit arrival Frequency lower limit arrival Under voltage status output Running frequency Setup frequency Output current Output torque Output power Output voltage 6 Pulse input 7 Alt 8 Al2 9 Al3 expansion card 10 Length 11 Counting value 12 Communication reference 13 Reserved 14 Reserved 15 Reserved 16 To be confirmed Modification description AO1 offset F5 10 o AO1 offset 100 0 100 0 0 1 0 0 X coefficient 19 Function Parameter Table MD320 MD320N User Manual Factory NT Function Modification LED display Set range default code description value Fot aotgam otgan 000100 oo I 10 AO2 offset coefficient on IO AO offset 100 0 100 0 0 1 0 0 pg expansion card AQ2 gain on F5 13 IO expansion AO2 gain 10 00 10 00 0 01 1 00 Ww card
185. unction MS terminal 4 description Speed up speed down time 16 l l It can select four types of speed up speed down selection terminal 1 time through the combination of digital status of Speed up speed down time these two terminals selection terminal 2 112 MD320 MD320N User Manual Parameter Description Setu J Description value When the frequency source selection F0 07 is set to 2 it performs switching between main frequency source X and auxiliary frequency source Y via this terminal When the frequency source selection F0 07 is set to 3 it performs switching between main Frequency source switching frequency source X and main frequency X plus auxiliary frequency source Y via this terminal When the frequency source selection F0 07 is set to 4 it performs switching between auxiliary frequency source X and main frequency X plus auxiliary frequency source Y via this terminal When the frequency reference is digital frequency reference this terminal can be used to clear the UP and DOWN setup clear frequency value modified by UP DOWN and thus terminal and keyboard restore the reference frequency to the setup value of FO 08 When the command source F0 02 is set to 1 it performs switching between terminal control and Running command keyboard control via this terminal switching terminal When the command source F0 02 is set to 2 it performs switching between communication control and keyboard co
186. unit paralleled with their respective brake resistor the meaning of x3 is the same with x2 MD320T160 16kW MD320T200 20 kW MD320T220 22 kW MD320T250 12 5 kWx2 MD320T280 14kWx2 MD320T315 16KW 2 MD320T355 17kWx2 MD320T400 14 kWx3 MD320T450 15kWx3 39 Product Information 40 MD320 MD320N User Manual 3 Mechanical and Electric Installation Mechanical and Electric Installation MD320 MD320N User Manual Chapter 3 Mechanical and Electric Installation 3 1 Mechanical installation 3 1 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 Celsius to 50 C Celsius 2 The inverter shall be mounted on the surface of incombustible articles with sufficient spaces nearby for heat sinking The inverter is easy to generate large amount of heat during 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 The inverter shall be mounted in locations free from corrosive gas explosive gas or combustible gas 6 The inverter shall be mounted in locations free from oil dirt dust an
187. upon this delay It is used to prevent the over current fault caused by DC brake beginning when the speed 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 value is zero it indicates there is no DC brake process and the inverter will stop according to the setup decoration to stop process Factory default Brake use ratio 100 value Setup range 0 100 It is enabled for the inverter with built in brake unit It can be used to adjust the brake effect of the bake unit Group F7 Keyboard and Display LCD language selection Factory default value EN mans Lo ohne ooo etup range English It is active for the LCD keyboard It is used to select the character mode of LCD display Factory default MF K Key function selection value MF K MF K Key function inactive MF K Key function inactive inactive Switching between operation panel command channel and remote command channel terminal command channel Setup range or serial port communication command channel 5 Switching between forward rotation and reverse rotation Forward rotation Jog command 128 MD320 MD320N User Manual Parameter Description MF K Key refers to multifunctional key It can set and define the function of MF K key on the keyboard via this parameter It ca
188. wer supply 10V 10mA DO1 Analog input 1 FY x CME Alt FY com J3 Al2 Analog input 2 TRA T C GND Boa _ T B PE Connect to the housing T A Open Collector 1 Multifunctional Open Collector Output 0V 24V OmA 50mA Open Collector 2 High speed pluse output Fault contact output AC250V 10mA above 3A below DC30V 10mA above 1A below Fig 3 5 Schematic Diagram for Single phase linverter Connection Precautions are as follows 1 Terminal Orefers to Main circuit terminal Terminal o refers to control circuit terminal There is 0 4kW 2 2kW Build in brake unit optional 2 3 B which is followed the product model represents Self braking unit 4 Braking resistor s selection is based on the user demand See the prototyping Guide of braking resistor for details 5 Signal lines and power line must be separated alignments if you want to control cables and power cable cross let them cross by 90 degree angle It is best to choose shielded twisted pair cabling for analogue signal the selection of power cable is shield three core cable The specification should enlarge a file as much as the ordinary electric cables or follow the inverter user manual 48 MD320 MD320N User Manual Mechanical and Electric Installation Schematic Diagram for Three phase Inverter Connection Brake Resistor
189. y source X plus auxiliary frequency source Y via the multifunctional input terminal Frequency Source Switching When 4 is selected it can switch between the auxiliary frequency source Y and main frequency source X plus auxiliary frequency source Y via the multifunctional input terminal Frequency Source Switching In this way it can realize mutually switching between the frequency reference modes such as switching between PID running and common running switching between simple PLC and common running switching between pulse setup and analog setup and switching between analog setup and common running Preset frequency Factory default value 50 00Hz F0 08 0 00 to maximum frequency active when the frequency Setup Range l o source selection mode is digital setup 98 MD320 MD320N User Manual Parameter Description When the main frequency source is selected as Digital setup or Terminals UP DN this function code is the initial value of frequency digital setup of the inverter Running direction Factory default value En o Direction is consistent Setup Range Direction is reverse Through modifying this function code it can change the rotary direction of the motor without changing any other parameters The role of this function code is to adjust any two lines of the motor U V and W and further change the rotary direction of the motor Prompt After parameter initialization the motor running direct

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