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1. 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 50 00 QUICK La FQ 12 Li F1 04 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 120 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 QUICK ENTER ENTER La F5 06 1 0 QUICK Fig 4 5 Example of Modification of Shortcut Parameters 63 lt 0 van Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 121 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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
2. FC 14 MS speed 14 MS speed 14 maximum frequency FC 15 MS speed 15 MS speed 15 PLC running PLC mode mode PLC power failur die PLC recoeded recoeded Running 0 Stop upon completion 1 Keep final value upon FC 16 completion of one time running EC 17 0 Power failure non recorded 1 Power failure recorded time of zero Zero segment FC 18 0 0s h 6553 5s h segment of time PLC Speed up d d speed down DEER time selection speed down of of zero FC 19 zero segment First segment I First segment 0 1s running time 0 0s h 6553 5s h time Ch of PLC FC 20 Website D c 194 Nguy n Tr i V Cudng TP Bac Ninh 141 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 FC 21 speed down speed up 0 3 1 0 x time selection speed down of PLC Second segment Second 0 1s FC 22 uw 0 0s h 6553 5s h 0 0s Ch x running time segment time Ch of PLC 88 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 172 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Factory CM Function Modification Name LED display Set range default n code description value Second speed up segment speed down speed up Third segment running time of PLC Third 0 0s h 6553 5s h segment time ji ka Segment speed up segment speed down speed up time selection speed down
3. D c 194 Nguy n Tr i V Cu ng TP B c Ninh 74 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MIDBU 35 B Externally MDBU 210 B connected connected AU VI LD KL con E MDBU 210 Bx2 Ext l t MIDBU 70 B connected Externally conne MDBU 210 Bx2 T i MIDBU 70 B E T connected xtemally MDBU 210 Bx2 connected Externally MDBU 210 Bx2 connected Externally MDBU 210 Bx3 connected Externally MDBU 210 Bx3 connected S i BU 70 Bx2 connected SEN BU 70 Bx2 connected m i BU 70 Bx2 connected ERE 5BU 210 B connected EAS MOBU 210 B Ca WO bra ated w connected Ve Drak he 39 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 75 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Product Information MD320 MD320N User Manual Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 76 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 40 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 77 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Mechanical and Electric Installation Website www viet trung com vn D c 194 Nguy n Trai V6 C ng TP B c Ninh 78 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Mechanical and Electric Installation MD320 MD320N User Manual Chapter 3 Mechanical and Electric Installation 3 1
4. li po n actory default value DE ee Rj Ns ES Digital setup UP and DOWN non recorded 1 Digital setup UP and DOWN recorded AN Al2 Setup Range 2 3 4 AB 5 PULSE setup DI5 MS speed 7 PLC 8 PID 9 Communication setup When the auxiliary frequency source is used as independent frequency reference 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 W of the keyboard or UP and DOWN of multifunctional input terminals 2 When the auxiliary frequency source is analog input reference AN AI2 and AI3 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 an
5. C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 1 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Website www viet trung com vn D c 194 Nguy n Tr i V Cu
6. Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 192 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 FO 10 Frequency upper limit Factory default value 0 00Hz offset Setup 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 9g Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 193 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 DE Frequency lower limit Factory default value 0 00Hz Setup range 0 00Hz to frequency upper limit FO 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 Carrier frequency Factory default value Model dependent Setup 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
7. 179 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 351 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 Appendix g Man MD320 MD320N ser Manual Open collector output code Shielded cable Appendix A Fig 6 Schematic Diagram for the Connection of Collector Output Encoder 2 Schematic Diagram for the Connection of Push Pull Output Encoder PG Card Website ww C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 Open collector output code Shielded cable Appendix A Fig 7 Schematic Diagram for the Connection of Push Pull Output Encoder 180 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 353 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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
8. Forth segment Forth I 0 0s h 6553 5s h running time segment time of PLC aes speed up Four segment speed down speed up of PLC Fifth segment Fifth segment 0 1s FC 28 running time 0 0s h 6553 5s h 0 0s Ch time h of PLC Fifth segment speed up Fifth segment FC 29 speed down speed up time time speed down Sixth segment i Sixth segment FC 30 running time me speed up of PLC Website D c 194 Nguy n Tr i V Cudng TP B c Ninh 173 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 0 0s Ch x lt FC 31 speed up speed down time time Seventh segment FC 32 running time of PLC 1 0 x speed down time Seventh 0 1s 0 0s h 6553 5s h 0 0s Ch gt segment time h 89 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 174 C TY TNHH TU DONG HOA VIET TRUNG RS Function Name code Segmen speed up speed down time selection FC 33 FC 34 FC 35 FC 36 FC 37 FC 38 FC 39 Eighth segment running time of PLC Eighth Segment speed up speed down time selection Ninth segment running time of PLC Ninth Segment speed up speed down time selection Tenth segment running time of PLC Tenth Segment speed up speed down time selection Eleventh EC 41 segment Website www viet trung com vn 20 MD320N Factory default B B H 0 0s h 65
9. O Din Three line mode running control terminal O Rey Digital input terminal COM Digital public terminal e Fig 6 8 Three line Running Mode 2 116 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 227 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Parameter Description Where SB1 Stop button SB2 Running button Din is multifunctional input terminals of DI1 to DIS 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 0 01Hz s 100 00Hz s Terminals UP DOWN is used to adjust the change rate when setting the frequency BM Factory default value 0 00V Setup range range 0 00V 10 00V AN minimum input Factory default value 0 0 Eo setup Setup range range 100 00 100 0 Al1 maximum input Factory default value 10 00V Setuprange range Setuprange 0 00V 10 00V Al1 maximum input Factory default value 100 0 corresponding setup Setup range range Setup range 100 00 100 0 EZE AN A input filter time Al input filter time time Factory default value Setup range 0 00s 10 00s The above function codes define the relationship between the analog input voltage and analog in
10. Skip Frequency 2 Skip Website www viet trung co g TP Bac Ninh 261 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Frequency 1 Skip Frequency Amplitude Skip Frequency Amplitude Skip Frequency Amplitude Skip Frequency Amplitude Frequency Setting Signal Fig 6 11 Schematic Diagram of Skip Frequency 133 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 262 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Forward Reverse rotation Factory default F8 12 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 Dead Zone Time Reverse Rotation Fig 6 12 Schematic diagram for Forward Reverse Rotation Dead zone Time 0 2 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 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
11. Website Mona Trai Vo C ng TP B ng TP B fe Ninh 14 6 Mo with preset anne F0 08 0 Two line mode 1 1 Two line mode 2 C TY TNHH TU DONG HOA VI T TRUNG input AN mini setup AI1 maxi input AN maxi mum setup AN input filter Oo3 77 Al2 mini mum input 76 0 00V 10 00 V 100 0 100 0 0 00V 10 00 V 100 0 100 0 0 00s 10 00s 0 00V 10 00 V 0 01V 0 1 0 01V 0 1 0 01s 0 01V 0 00V 0 096 10 00V 100 0 0 10s 0 00V 02413 281 181 0989 984 666 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 147 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 Function Parameter Table MD320 MD320N User Manual Function code F4 19 F4 20 F4 21 F4 22 F4 23 F4 24 F4 25 F4 26 F4 27 Name Al2 minimum input correspondi ng setup Al2 maximum input Al2 maximum input correspondi ng setup AI2 input filter time Al3 minimum input on IO expansion card Al3 minimum input correspondi ng setup on IO expansion card AI3 maximum input on IO expansion card Al3 maximum input corresponding setup on IO expansion card AI3 input filter time on IO expansion card PULSE LED display AI2 minimum setup AI2 maximum input AI2 maximum setup pulse input Set range 100 0 100 096 0 00V 10 00V 100 0 100 096
12. code F5 11 AO1 gain AO1 gain 10 00 10 00 0 01 1 00 gt AO2 offset coefficient Ss lO AO offset 100 0 100 0 0 1 0 0 Ww Group F6 Start Stop Control 0 Direct start p 0 Beginning from stop frequency Rotation Rotation 1 Beginning from zero speed speed trackin P S 2 Beginning from maximum speed tracking tracking speed speed P DC brake current at start speed mode Start segment time o curve Website D c 194 Nguy n Tr i V Cui ng TP B ic Ninh 15 4 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 1 100 oe up speed 0 098 a0 0 0 08 x 04 30 096 E down 1 0 00 096 10096 1 o se a O a o o O 1 Sore 0 0 40 0 0 1 30 0 OH speed 0 04Hz 0 00H 0 0s 36 0s peepee Z 0 1 3 a down 0 Speed down to stop 0 0s 36 0 Straight speed F6 10 Stop mode Stop mode 1 0 x 1 Free stop DC brake ME Brake beginning F6 11 frequency at 0 00Hz maximum frequency 0 01Hz 0 00Hz x frequency at stop stop 80 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 155 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 D320 inda 1 4d 1 meter Table Factor Modification value ss k iti at stop DC brake DC brake F6 13 0 100 1 0 F6 14 0 0s 36 0s at stop at stop F6 15 0 100 1 100 Group F7 Keyboard and Display F7 00 LCD language Language 0 Chinese selection selection 1 English
13. C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 i Description n Speed up speed down time xxx La juu a nng of PLG range Dese Thirteenth segment running penn 0 0s h Setup range 0 0s h 6553 5s Speed up speed down time MN FC 45 of thirteenth se mE of PLC Setup range Fourteenth segment running actoris FC 46 C Setup range 0 0s h 6553 5s h Speed up speed down time FC 47 of fourteenth s fourteenth s of PLC dai range m te oF PL running aide 0 0s h FC 48 PLC Speed up speed down time ant de FC 49 Ca PLC Running Time Unit Selection 0 s 1 h Setup range Factory default value FC 50 Setup range Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 299 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 152 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 300 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 range 0 to 65535 Any non zero number can be set and then the password protection function will be enabled 000 Clear the previous setup user password and disable the password protection function Upon setup
14. F6 04 2 0s Start frequency retention time is 2 0s At this time the inverter accelerates to 5Hz and further to reference freugency of 10Hz in 2s 125 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 245 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 meter te nn ats User Manual PRI DC brake current at start Factory default o P lue Para Even p range SE 0 Factory default DC brake time at start 0 0s F6 06 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 brake 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 Sa EN 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
15. Minim um unit 0 1 0 01V 0 1 Factory default value 0 0 10 00V 100 0V Modification description Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 148 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Al maman 0 01s 0 10s a 0 00V 10 00V 0 01V 10 00V x input 1 I3 maximum setup w TI minimum 0 00kHz 50 00kHz 0 00kHz minimum frequency frequency Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 149 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 lusu 0 MD320N W Factor Y Modification LED display Set range default ae description value Pulse minimum 100 0 100 0 setup minimum frequency corresponding PULSE pulse input Pulse A maximum 0 00kKHz 50 00kHz 50 00kHz Z frequency maximum frequency Pulse maximum 100 0 100 0 100 0 setup maximum frequency Pulse filter time Group F5 Output Terminal FM terminal I 0 Pulse output FM terminal _ F5 00 output mode E 1 Open collector digital value 1 0 x selection output FMR Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 150 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 15 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 151 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 D320 La NES meter Table M
16. REV Dgal input serminal Forward Rotation COM Digtal public terminal Reverse Rotation 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 MD320 p FWD Digital input terminal Din Three line mode running control terminal O REV Digital input terminal C COM Digital public terminal Fig 6 Three line Running Mode 1 Where 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 K unning Direction Selection R 0 Forward Website www viet trung com vn c 194 Nguy n Tr i V C ng TP B c Ninh 226 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Rotation MD320 1 Reverse Rotation O FWD Digital input terminal
17. time time communi j communi O Non standard MODBUS FD 05 Ss cation protocol protocol 1 x protocol PM selection 1 Standard MODBUS protocol Manufacturer Vlanufacturer NI Reserved Reserved password password ed Group F User Password User User password password 0 No operation Parameter Parameter 1 Restore factor fault set EP 01 40 erte estore factory default setup 1 0 A initialization initialization value 2 Clear the fault record Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 179 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 9a Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 180 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Parameter Description Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 181 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Parameter Description MD320 MD320N User Manual Chapter 6 Parameter Description Group FO Basic Function Model display Factory default value Model dependent FO 00 EN G model constant torque load model P model fan and pump load model This parameter is provided only for the user to view the factory default model and cannot be modified Setup range 1 It is applicable to the constant torque load of the designated rated parameters 2 It is applicable to the variable torque loads fan a
18. L a E than 1 000 meters Ambient 10 C Celsius to 40 C Celsius derated when used in the Environment temperature ambient temperature of 40 C Celsius to 50 C Celsius Humidity Less than 95 RH without condensing Vibration Less than 5 9 m s 0 6g Storage 20 Celsius to 60 Celsius temperature 2 5 Physical Appearance and Dimensions of Mounting Hole 2 5 1 Physical Appearance Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 42 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Upper Cover Plate Operation Panel Lower Cover Plate Bottom Mounting Hole WO port Fan Inverter Nameplate 23 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 43 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Product Information MD320 MD320N User Manual Front Housing Operation Panel Middle Housing WO port Bottom Housing Fan Inverter Nameplate Bottom Mounting Hole LA E _ F x H o ei i _ P Sasa WE udo cmm Fig 2 5 Schematic Diagram for Physical Dimensions and Mounting Dimensions of 0 4kW 5 5kW Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 44 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 24 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 45 C TY TNHH
19. MD320 MD320N User Manual Yes Perform troubleshooting Fault Diagnosis and Solution Deceleration over current Check if the output loop of the inverter is earthed or short circuited the motor parameters are identified fthe deceleration time is too short No Identify the motor parameters Prolong the deceleration time V F Mode If the voltage is too low If load is added suddenly during the deceleration If the brake unit and brake resistor are installed to normal range No Install the brake unit and brake resistor Yes Ask for technical support Fig 8 3 Deceleration over current ERRO3 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 317 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 162 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 318 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N Use Mandar Fault Diagnosis and Solution m output reactor if the line is too long Constant Speed over Current heck if the output loop of the inverter is short circuited or has leakage current If the motor parameters are identified No If load is added suddenl ii Remove the additional load Yes inverter load can be lightened Lighten the load No The inverter model is rather small Fig 8 4 Constant speed
20. 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 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 22 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 41 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 D320 MD320N serMannab Product Information pecifications LED display It can display the parameters LED displa It is an optional part and can display operation contents ES Chinese English It enables the parameter copy unit to copy the parameters quickly 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 NEN I LCD operation panel multifunctional I O expansion card PG card water anh card etc man mm gas oil smoke vapor combustible gas oil smoke vapor drip orst TT or
21. Software version No 2 Jog running frequency Jog speed up time Jog speed down time Speed up time 2 Speed down time 2 Speed up time 3 Speed down time 3 Speed up time 4 Speed up time 4 Skip frequency 1 Skip frequency 2 Skip frequency amplitude 1 02413 281 181 0989 984 666 MD320 MD320N User Manual SC Factor RM Minim y Modification Set range default um unit description value Forward reverse rotation dead zone time Reverse control Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 158 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Radiat Zeeche 100 U UUHZ maximum frequency U DTF D Oz t ten time 0 00Hz maximum mm 0 01Hz 0 01Hz Radiat 4 a ry dn yy Speed up ee time 0 05 3000 0 unning 0 Reverse rotation enabled lime Group F8 1 Reverse rotation disable reaver Softw mp 1 0s 6500 0 ersion Forward 20 0s rotation d 0s 6500 0 og qeaq zone 20 0s ceed up 0s 6500 0 i m e 0s 6500 0 Jog 20 0s speed down time 0s 6500 0 unning time reque Reverse 0 0s 6500 0 ney control time om up maximum Website www viet trung cor drung com vn e 194 Nguy n Tr i Tr i V C ng TP B TP B c Ninh 159 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 82 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 160 C TY T
22. 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 184 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 F0 08 Digital Setup Preset Frequency It can change the setup frequency value of the inverter through the keys A and W of the 95 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 185 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 ZAIT 3 Al2 4 AI3 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 AN and AI3 refer to voltage input of 0 to 10V AI2 can be used as either voltage input of OV to10V or cu
23. 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 Bae 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 encoder can also be used as common encoder B W U A GND V Obdd56 A VCC V B U Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 354 C TY TNHH TU DONG HOA VIET TRUN 02413 281 181 0989 984 666 Ab Appendix B Fig 1 Schematic Diagram for Differential PG Card Structure 181 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 355 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Appendix MD320 MD320N User Manual Appendix C Description of IO Expansion Card MD3210 C 1 Overview MD32IO card is I O expansion card launched by Shenzhen Inovance Technology Co Ltd to support the use of MD320 series inver
24. indicating the swing amplitude is 0 the swing frequency is disabled Setting Frequency Hz Frequency Amplitude Aw Fset FB 01 Frequency Upper Limit FH Center Frequency Fset Frequency o om L IIIA e ctt ee s t n amp Lower Limit FL Textile Kick Frequency AV FB O2 Triangular Rising Time amp B 03 FB 41 Accelerate by cb Acceleration Time e Decelerate by Deceleration Time aaa Running Frequency Cycle JFB 03 Comman Stop Comman Fig 6 16 Skip Frequency Working Diagram Swing frequency setup mode Factory default value 0 FB 00 0 Relative to the central frequency Setup range Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 285 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Relative to maximum frequency This parameter is used to select the benchmark quantity of the swing amplitude 0 Relative to the central frequency FO O7 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 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 286 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 6
25. of the motor etup range m ma up F8 Auxil Jog running Factory default en 2 00Hz F8 00 frequenc value Setup range 0 00Hz maximum frequenc Gra Factory default Jog speed up time etup range 0 00s 6500 0 Factory default Jog speed down time 20 00s F8 02 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 0 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 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 F3 03 value Setup range 0 F8 06 0s 6500 0s F8 04 F a 6 t F8 05 y Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 258 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Sgeed down time 3 e Sbtup range 0 0s 6500 0s 20 00s u t Speed down 20 00s time 2 value oc me 20 00s Setup range 0 0s 6500 0s a C t O r y d e f a u t Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 259 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 132 Websi
26. 0 MF K inactive 1 Switching between operation panel command channel and remote command channel 1 terminal command channel 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 unction ey function mode 3 STOP key stop and fault reset function active in the terminal QUICK 0 QUICK parameter lockout parameter Parameter inactive lockout LED detay Operation _ Website D c 194 Nguy n Tr i V C ng TP Bac Ninh 156 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 parameter LED stop F7 05 F7 06 0 655 display 35 1 0 x display Stop display 1 65535 1 255 x parameter Load speed yon j display oad speed 0 0001 6 5000 0 0001 1 0000 Se S coefficient coefficient 8l Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 157 C TY TNHH TU DONG HOA VI T TRUNG Function Parameter Table Function code F7 07 F7 08 F7 09 F7 11 F8 00 F8 01 F8 02 F8 03 F8 04 F8 05 F8 06 F8 07 F8 08 F8 09 F8 10 F8 11 Name F8 12 F8 13 LED display 1 Radiator temperature 1 Radiator temperature 2 Accumulated running time 1 Software version No 1
27. 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 FO 10 to OHZ as shown in the following figure Output Frequency Fmax Setting Frequency Website www viet trung com bi li ai ag TP B c Ninh 196 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Actual Acceleration Time Actual Deceleration Time 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 197 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Parameter Description MD320 MD320N User Manual There are totally four groups of acceleration deceleration time for selection Group 1 FO 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 Weerwpeseeelen Factory aetate 0 0 semmenssneveesmoo Rated rotation speed Factory default value 1460rpm Set
28. 150 rated current 1s Capacity Individualized function Torque hoist Automatic torque hoist manual torque hoist 0 1 to 30 0 SP verir A j AVEK Speed down curve Torque limit and control DC brake imple and MS Speed Running s KV Website ww viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 38 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 deceleration time 0 0s to 3000 0s Straight line or S curve speed up and speed down mode four It can realize a maximum of 16 segments speed running via kinds of speed up and speed the built in PLC or control terminal down time speed up and speed down time ranges between 0 0s to 3000 0s DC brake frequency 0 00Hz to maximum frequency brake time 0 0s to 36 0s and brake current It limit ihe t t ticall d tf t value 0 096 10100 D can limit the torque automatically and prevent frequen over current tripping during the running process the close loop vector mode can implement torque control It is easy to realize process controlled close loop control system It can keep constant output voltage automatically in case of change of mains voltage Jog frequency range 0 00Hz to 50 00Hz jog acceleration 2 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 39 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual detection upon
29. 208 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Setup range 1 Multiple point V F curve 2 Square V F curve The fan and pump loads may select square V F control 0 Straight 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 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 209 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Parameter Description MD320 MD320N User Manual achine 21 Square V F curve It Is suitable for the centrifuga F3 01 xs E Setup range 0 0 30 Cutoff frequency of torque F3 02 boost Factory default value 50 00Hz 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 8 096 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 to
30. 210 0 110 150 MD320NT132 192 0 256 0 253 0 132 200 19 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 35 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 duct Information D320 MD320N User Manual gt Q OO s lt s lt s 2 OO s oc ov a Soe Ces we rss re Dame oo me em se emo mr Waaa Zm ans mo oes mm x eene me ee me m mm MD320 7T450 630 0 490 0 465 0 MD320 7T500 700 0 595 0 550 0 500 700 MD320 7T560 630 0 605 0 575 0 560 750 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 36 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 20 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 37 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Product Information Table 2 2 MD320 Inverter Technical Specifications em Specifications Maximum 300Hz frequenc Carrier 0 5k to 16kHz the carrier frequency will be automatically frequency adjusted according to the load characteristics nput frequency Digital setting U UTHZ resolution Analog setting maximum frequency SU 19 6 Open loop vector contro q Control mode Close loop vector control VG V F control I SU V Startup torque ds Speed peed stabilization 0 02 VC precision 5 VC Torque control P model 120 rated current 60s
31. 5 0 F8 20 FDT hysteresis Metus 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 3 N e ey A8 WEE VEER Hysteresis i I I 1 I I I i I I I I I I I I I 1 I Time Frequency Detection Signal H 1 I DO1 Relay i ON Time Fig 6 13 Schematic Diagram of FDT Level Frequency arrival Factory default 0 0 detection amplitude value M 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 Setting Frequency a Y Detected e Amplitude Website www viet trung coo 1 z TP B c Ninh 267 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Time Frequency Detection Signal Relay Time Fig 6 14 Schematic Diagram for Detection Amplitude 136 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 268 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 B20 MD320N Use von LL 1 detection upon power on value MD F8 22 O Inactive Setup range P 3 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 inver
32. 984 666 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 EI Torque control Factory default value k Inactive Setup range EN 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 limited by the frequency upper limit refer to FO 12 When the load speed is high
33. Copy 188 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 369 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Appendix a Parameter download or upload is inactive during the inverter running process b Theinverter running is disabled during the process of parameter download or upload c Only the inverter with minimum software version 1 61 of MD320 control board 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
34. HOA VI T TRUNG 02413 281 181 0989 984 666 m meter Table Fact Modification description wave boost wave boost Actual length Actual length Number of Number of meter counting Designated mc Den EE value roup speed anc FC 00 MS speed 0 MS speed 0 MS speed men 6 di a Negative maximum frequency to FC 01 MS seed 1 MS seed 1 FC 07 MS speed 7 maximum frequency speed 7 maximum frequency to FC 02 MS speed 2 MS speed 2 1 STHE FC 03 MS speed 3 MS speed 3 need 8 Ne of triangular of triangular I maximum frequency FC 04 MS speed 4 MS speed 4 maximum frequency FC 05 MS speed 5 MS speed 5 po eminem Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 169 C TY TNHH TU DONG HOA VIET TRUNG Negative maximum frequency to maximum frequency Negative maximum frequency to maximum frequency Negative maximum frequency to maximum frequency 0 1Hz 0 1Hz 0 1Hz 0 1Hz 0 1Hz 0 1Hz 0 1Hz 0 1Hz 0 1Hz 0 0Hz 0 0Hz 0 0Hz 0 0Hz 0 0Hz 0 0Hz 0 0Hz 0 0Hz 0 0Hz 02413 281 181 0989 984 666 87 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 170 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Parameter L L la 0 MD320N m Function 7 Modification LED display Set range MM code I description FC 09 MS speed 9 MS speed 9 ve Negative maximum frequency to
35. 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 30 0 F6 08 NCC S curve value Setup range range 0 0 40 0 Website WWW viet trung co na AE 94 Nguy n Tr i V6 Cu Trai V6 C ng TP B c Nini TP Bac Ninh 246 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 curve Factory default value 30 096 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 time between t1 and t2 the slope of the output frequency change remains fixed 126 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 247 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Parameter Description fmax Itl H2 It 2 Itl t Acceleration Time Deceleration Time Fig 6 10 Schematic Diagram for S cu
36. NEL Factory default value 13 MS speed 2 LD terminal Tun on KE eg B MA p ermine n on alii Ko 3 B MA n Ko B F4 08 Factory default value selection D terminal function Factory default value 0 selection action Forward rotation FWD Control the forward JO ay reverse rotation Reverse rotation REV 5 Reverse rotation Jog Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 216 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 function code FJOG refers to Jog forward rotation while RJOG refers to Jog reverse rotation For details regarding of the inverter via the external terminals This terminal is used to confirm that the inverter running mode is ias ina contol modeFor frequency and Jog acceleration deceleration time detailed description please refer during the Jog running refer to F8 00 F8 01 and to F4 11 three line control mode Rn HH Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 217 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Function Description Terminal UP When the frequency is given by the external commands of frequency modification When the 7 Terminal DOWN f _ l 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 Free stop and no requirement for th
37. Ninh 239 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Description 0320N1 ed sss arametc mm x Output current 0 to 2 times of the motor rated current Output torque o 2 times of the motor rated torque Output power 0 to 2 times rated urn EE ee ee 0 to 1 2 times of the rated 0 to 1 2 times of the rated voltage of of 6 PULSE input ous to 50 0kkz Chan A eng 0 to maximum setup leng 11 Counting value 0 to maximum counting value Communication setup FMP output maximum Factory default value 50 0kHz frequency Setup range sd range Setup range Io 1kHz 50 0kHz When the FM terminal is selected as pulse output it can output maximum frequency of the pulse mE AO1 offset coefficient Factory default value Setup range range 100 0 100 0 ren H AO1 gain Factory default value 100 Setup range range 10 00 10 00 Setup Setup range 100 0 100 0 AO2 gain Factory default value 10 00 10 00 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 240 HH pozoren oote AO2 offset coefficient Factory default value 0 00 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 m
38. Ninh 98 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 onnection mina PA sends Connection point of external reactor of external reactor Output terminal of U V W 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 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 99 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984
39. TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Product Information MD320 MD320N User Manual OUI Physical Dimensions mm Diameter of Weight Model Hol mm Mounting kg Hole mm 9 MD320T200PH MD320T315G MD320T355P MD320T355G MD320T400P MD320T400G MD320T450P MD320 7T132GH MD320 7T160PH MD320 7T160GH MD320 7T200PH MD320 7T200GH MD320 7T220PH MD320 7T220GH MD320 7T250PH MD320 7T250GH MD320 7T280PH MD320 7T280G MD320 7T315P 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 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 52 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 A B 520 1300 320 1166 1030 983 1060 650 800 400 Q14 1300 1203 1358 800 440 310 p10 1166 1090 1192 440 377 200 400 90 310 912 130 014 200 10 90 Caution The letter H which at the end of the model name refers to the narrow body aircraft 28 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 53 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 formation ww Mounting Hole Diameter m of Weight Mounting kg A B Hole mm MD320NS0 4G MD320NS0 7G
40. TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Product Information Fig 2 6 Schematic Diagram for Physical Dimensions and Mounting Dimensions of 7 5kW 15kW o e St pa ii RENE E Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 46 MIN C TY TNHH TU NG H JOAN biis T T RUNG 02413 281 181 0989 984 666 Fig 2 7 Schematic Diagram for Physical Dimensions and Mounting Dimensions of 18 5kW 450kW 20 Website www viet trung com vn D c 194 Nguy n Trai V6 C ng TP B c Ninh 47 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Product Information MD320 MD320N User Manual 1 A W cl 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 Model Se Physical Dimensions mm paka H Moin A B H H1 W D Hole mm MD320S0 4G MD320S0 7G MD320S1 5G MD320S2 2G Build in PG Card MD320T3 7GB MD320T5 5PB MD320T5 5GB MD320T7 5PB MD320T0 7GB MD320T1 5GB MD320T2 2GB MD320T2 2GB Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 48 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 113 172 182 123 145 25 4 1 1 147
41. TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 141 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 278 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Paramet MEME MD320 MD320N User Manual his value i a decimal number Display the status of all the digital input terminals upon fault for the most recent one time wit sequence of BIT9 BIT8 BIT7 BIT6 BIT5 BIT4 BIT3 BIT2 BIT1 BITO Input terminal status upon faul it will be displayed in decimal number converted from each digit status When the input terminal is OFF the value is O It can know the details regarding digital output signal via this wu Display the status of all the digital input terminals upon fault for the most recent one time with sequence of BIT4 BIT3 BIT2 BIT1 BITO DO2 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 OFF the value is O 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 of 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 quanti
42. Tr i V C ng TP B c Ninh 360 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 The voltage or current output is determined by the JK4 jumper on the expansion card the factory default value is voltage output output 2 Output voltage specification OV to 10V Output current specification OmA to 20mA Analog out AO2 GND angie 184 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 361 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Terminal Terminal Symbol name Function description Optical coupling isolation dual polarity open collector output Output voltage range OV to 24V Output current range OmA to 50mA Digital DO2 CME Digital output Caution The digital output ground CME output 2 and digital input ground COM are internally isolated 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 Normally P A P B closed Contact driving capacity terminal AC250V 3A COS 0 4 i Contact drivi it ontact driving capacity AKO ees Normally AC250V 3A COS 0 4 open terminal A Communi PE l CN3 cation termina Auxiliary JK1 Control panel 28 core terminal connecting to control board interface interface of MD320 series inverter Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 362 C TY TNHH TU DON
43. alarm is displayed upon power on The inverter displays O TI V UDO power on but HC The fan is either damaged or is displayed upon blocked running and stops immediately Replace the fan The carrier frequency is set running over heat fault is frequently reported The motor does not damaged or blocked 6 rotate upon Inverter 2 The parameters are set Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 339 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 improperly mainly 1 Reduce the carrier Group F1 motor frequency F0 15 parameters 2 Replace the fan and clear the air duct Consult the manufacturer 1 Replace the motor o r remove the mechanical fault 2 Check and reset Group F1 parameters Ne Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 340 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 lagnosis and Solution Na MD320 MD320N User Manual Fault Phenomenon DI terminal disabled In the close loop vector control mode the motor speed is always low frequently reports over current fault and over voltage fault ERR17 alarm is 10 reported upon power on Website www viet trung com vn Possible Cause The parameter is set WTOTIGIVv The short circuit copper bar between OP and 24V is loosen The PG is damaged or cable connection is wrong The internal parts of
44. 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 L9 4 o worn 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 301 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 153 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 302 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Parameter Description MD320 MD320N User Manual Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 303 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 154 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 304 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 EMC Guide Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 305 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989
45. card BEER SSES Appendix A Table 2 PG Card Technical Specification s Response Ong m power supply signal access OUT A i 0kHz Open 4 to 62 even OUT B division signal gallector 100mA number I output 3eleut Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 344 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Appendix A Fig 1 PG Card Installation 176 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 345 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Appendix Toggle Switch 23 OUT A OUT B COM COM 15PG PF Ca B a B d an d SI e T3 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 configurations 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 Website www viet trung com vn D c 194 Nguy
46. card with Common PG card 2 MD32PGD wur frequency division output It is applied in Leng cable dave PG MD32PG3 It is applicable to the differential synchronous MOL mode encoder and induction D D xterna MDKE xterna display and operation operation panel keyboard purpose RJ45 interface MD32KC RJ45 interface MD series general Parameter copy unit MDCP Parameter copy purpose RJ45 interface EPS commercial of the inverter is ji MD32EPS EPS mains synchronization synchronous with synchronization the inverter Standard 8 core network cable MDCAB and it can be connected with 3m are standard MDKE MD32KC and MDOP It is used when the inverter shares Rectifier unit MFRU the bus and has energy saving function When the inverter stops driving Coast to stop status t can acquire Add three cables a MEE T from U V and e OldatiOol DEGA ana TOL Rotation speed MF32STC1 tracking card External LCD External LCD display and direction through the combination the motor of this hardware circuit and software thus better controlling Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 64 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 W output to the rotatio n speed tracking card input 34 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 65 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User
47. communication setup Frequency lower limit of FO 14 m maximum frequency of F0 10 E 0 00Hz maximum frequency of OTHE u 6 060H eguency upper timi 0 01Hz 0 00Hz of F0 12 Model upper a limit u x i Freque BEEN Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 134 U UUF1Z 5 gt e C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 FO 15 0 5kHZ 16 0kHz 0 1kHz x frequency frequency dependent 70 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 135 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 D320 a eS b meter Table Factor Minim y LED display Set range default ER um unit value description Modification 0 Fixed PWM carrier frequency temperature adjustment inactive 1 Random PWM carrier Carrier Carrier frequency temperature frequency frequency adjustment inactive Speed down Speed down 0 0s 6500 0s time 1 time 1 Group F1 Motor Parameters 0 Common asynchronous motor 1 Variable fr n m motor type motor type T rise selection selection F1 01 rated power rated power 0 4kW 1000 0kW h Ner age ed age AU E Model F1 03 rated current rated current 0 01A 655 35A 00A rated rated e CA EES n 0 00 maximum frequency 0 01Hz 50 00Hz stator stator Model resistance resistance g9 no load F1 07 resistance leakage inductive bi
48. equipment 12 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 22 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Safety and Precautions 1 1 6 During the operation 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 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 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 be plug and play when power outage 1 2 Precautions 1 2 1 Motor Insulation Inspection When the motor is used for the first time or whe
49. equipment Therefore install anti interference filter make minimize interference Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 14 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 The details of peripheral equipments and accessories selection refer to the manual of peripheral equipments Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 15 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Safety and Precautions Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 16 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Danger arising due to improper operations may cause severe hurt or even death 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 missing parts Otherwise there may be risk of injury Use the mo
50. eu 5G MD320NS22G 2G 113 172 r 7GB MD320NT1 5GB gen MD320NT22GB pen MD320NT37GB MD320NT5 5PB oPB 236 248 160 183 85 0 MD320NT5 5GB MD320NT7 5PB MD320NT7 5GB MD320NT11PB MD320NT11GB JU 3 322 ZUB 3 BO MD320NT15PB MD320NT15GB MD320NT18 5PB MD320NT18 5G MD320NT22P E 447 432 463 285 228 26 5 MD320NT30P MD320NT30G MD320NT37P MD320NT37G C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320NT45P MD320NT45G 260 580 549 600 385 265 O10 32 MD320NT55P MD320NT55G MD320NT75P 29 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 55 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 BEEN e linis SS Physical Dimensions mm of Weight LO aaa Mounting kg lal s n nm wlnp MD320NT75G MD320NT90P MD320NT90G MD320NT110P MD320NT110G 343 678 700 473 307 010 47 MD320NT132P MD320NT132G 449 903 880 930 579 380 10 90 MD320NT160P MD320NT160G MD320NT200P MD320NT200G MD320NT220P MD320NT220G 1030 983 1060 650 3 7 12 130 MD320NT250P MD320NT250G MD320NT280P MD320NT280G MD320NT315P MD320NT315G MD320NT355P MD320NT355G UU 4 2 MD320NT400P MD320NT400G MD320NT450P N O Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 56 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 30 Website www viet trung com vn D c 194 Ng
51. 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 with 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 possib
52. follows MD Series Inverter eee nn nn G G G Q an Specialized Industrial Module Top layer Module Generat Purpose Module Middle layer Module High Performance Motor Control Module 1 Bottom layer Module ee Traditional Inverter Fig 1 Comparison between Traditional Inverter and MD Series Modular Inverter Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 3 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 4 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 commanas 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 fu
53. gain F4 Input terminal Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 140 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 73 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 141 02413 281 181 0989 984 666 C TY TNHH TU DONG HOA VIET TRUNG ME selection DI2 terminal selection D13 terminal selection D14 terminal selection DI5 terminal function selection function selection on I O expansion card DI7 terminal unction selection on I O expansion card DI8 terminal unction selection on I O expansion card DI9 terminal unction selection on I O expansion card F4 08 DI1 terminal selection DI2 terminal selection DI3 terminal selection DI4 terminal selection DI5 terminal selection DIG terminal selection DI7 terminal selection DI8 terminal selection DI9 terminal selection Set range 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
54. 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 Carrier frequency Motor noise Output current waveform Motor temperature rise inverter temperature rise Leakage current External radiation interference Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 194 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 100 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 195 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 D320 MD320 eens mn n mm Setup range 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 Speed up time 1 Factory default value Setup range 0 0s 6500 0s EE Speed down time 1 Factory default value Setup range range 0
55. 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 Fi f r C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 RJ45 Interface 47 5mm Appendix D Fig 1 Physical Structure and Connection Mode 186 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 365 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Appendix A1 JL 2345678 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 interface signal definitions of the two connecting modes are as shown in Appendix D Fig 3 RS 485 Signal
56. 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 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 9 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 10 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Contents mio 1 Chapter 1 Safety and Precautions 10 UM Era PVC CAUUON uuu uuu 10 T2 ecl e la ta 13 Chapter 2 Product Information 18 2 1 Designation TEE 18 ZAN ANE Alle ee EE KT c a n ba T eee kone it 7 18 2 3 NID320 Inverter Series isi akle flan e dedi uo iM kt ask
57. modified It indicates this parameter is Factory default parameter and can be set only by the manufacturer Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 129 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 68 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 130 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 B TL TT li Fact Function n Modification LED display Set range default 2n code description value Group F0 Basic Function Group 1 G model constant torque load model Model F0 00 Model display Model display 2 P model fan and pump load dependent model 0 Speed sensorless vector 1 Speed sensor vector control F0 01 Control mode Control mode VC V F control 2 V F control 0 Operation panel running Command Command 1 Terminal command channel FO O2 source source I LED ON selection selection I 2 serial port command channel LED flashes source selection Main Main frequency source X frequency F0 03 selection source X Auxiliary Frequency source Auxiliary Y selection Frequenc F0 04 lo Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 131 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 4 AI3 5 PULSE setup X5 6 MS speed 7 PLC 8 PID 9 1 1 Communi cation setup 69 Website ww
58. ng TP B c Ninh 2 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 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 lt 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
59. 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 DIS 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 F4 01 DI2 terminal function DI1 terminal F4 00 selection function DI3 terminal function selection Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 214 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 1 Factory default value Forwar d Factory rotation default value 4 Forward rotation Jog F4 02 Factory default value 9 fault reset selection DI4 terminal function F4 03 Factory default value 12 MS speed 1 selection 110 s O O 194 Neuy n Tr i V Cikong TP Bac Ninh 215 ma Website C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 x7 pana F4 04
60. over current ERRO4 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 319 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 163 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 320 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Fault Diagnosis and Sofiutiert 5 MD320 MD320N User Manual Acceleration over Voltage gt If the input voltage is too high Adjust the voltage to normal range APA CO OYTO OTCE driving the motor to run during the acceleration process Yes If the acceleration time is too short Prolong the acceleration time i No i d DIRE ip and poraki Install brake unit and brake resistor LV C L L Yes Remove the external forces or install brake resistor Ask for technical support Fig 8 5 Acceleration over voltage ERRO5 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 321 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 164 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 322 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Mdnuai 6 Fault Diagnosis and Solution Yee If the input voltage is too high Adjust the voltage to normal range D fthere are external forces Yes driving the motor to run during p Remove the external forces the acceleration p
61. 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 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 70 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 2 10 Guide to Prototyping of Brake Components Table 2 5 Invert
62. saved 3 Delete shortcut parameter item Flash Display QUICK 7 PRG 50 00 L1 FO 12 Lu F1 04 L1 5 06 a a lt __ QUICK x QUICK ENTER 50 00 lt 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 parameter 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 select
63. 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 frequency 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 190 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 source selection mode is digital setup 98 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Parameter Description kuis n he mat vae Running direction Factory default value F0 09 0 Direction is consistent Setup Range 1 Direction is reverse Through modify
64. the inverter are damaged The motor parameters are set wrongly Acceleration deceleration time is improper Load fluctuates Switched on Solution Check and reset Group related parameters Reconnect the cables Consult the manufacturer Replace the PG and reconfirm the cable connection Consult the manufacturer motor tuning Set proper acceleration deceleration Consult the manufacturer Check if the contactor cables are loosened Check if the contactor has auit Check if the 24V power supply of the contactor has fault Consult the manufacturer D c 194 Nguy n Tr i V Cu ng TP B c Ninh 341 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 174 Website www viet trung com vn D c 194 Nguy n Tr i V Cudng TP Bac Ninh 342 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Appendix Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 343 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Appendix MD320 MD320N User Manual Appendix Card Description Appendix A Description of Common PG Card MD32PG 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
65. trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 325 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Check if the main control board is normal Replace the control board Fig 8 9 Under voltage fault ERRO9 166 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 326 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 D320 MP32QN User Manual Fault Diagnosis and Solution No If the motor protection parameter Set this parameter properly F9 01 is set properly Yes Yes If the Ipad is too heavy or motor does n t rotate boua sa E No The inverter model is small 1verter Motor oyerload ERR10 ERR11 Fig 8 10 Ask for technical support to the inverter is normal No Replace the drive board No If the main control board is normal Replace the main control board Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 327 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Fig 8 11 Phase loss at input side ERR12 167 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 328 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Fault Diagnosis and Solution MD320 MD320N User Manual Phase loss failure at the output side r cfc Da vue EE moto D Do p e x g I Yes Check if the three phase output of theunni
66. 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 24V Relay LOU Diode MD320 DO Website www viet truni _ lt B c Ninh 111 COM C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Fig 3 15 Schematic diagram for connection of digital output terminal 58 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 112 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Operation and Display Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 113 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Operation and Display MD320 MD320N 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 in
67. 13 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 221 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 w en X ah value EE EE E Clear the counter status Length count input Input terminal of length counting Length reset Length clear Torque control inactive Reserved 32 Brake command switches to the DC brake status A 33 E etita anv TOTIIratiy E TO STITO au STOTTA o9 SGT O TS WEE the inverter reports fault and stops a o ON OFF MS speed 4 FC 04 MS speed 5 FC 05 MS speed 6 FC 06 MS speed 7 FC 07 ON ON OFF MS speed 8 FC 08 MS speed 9 FC 09 ON MS speed 10 FC 10 Website 4 Nguy n Tr i V C ng TP B c Ninh 222 C TY TNHH TU DONG H A VIET TRUNG ON ON ON ON ON 114 OFF ON ON OFF ON OFF ON ON ON ON ON OFF ON OFF ON MS speed 11 MS speed 12 MS speed 13 MS speed 14 MS speed 15 02413 281 181 0989 984 666 FC 11 FC 12 FC 13 FC 14 FC 15 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 223 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Attached Table 2 MS Speed da E EEN n E eeneg EE time selection FO 17 and FO 18 Speed up time 1 OFF ON Speed up time 2 F8 03 F8 04 ON OFF Speed up time 3 F8 05 and F8 06 ON ON Speed up time 4 F8 07 and F8 08 DI filter time Factory default value It i
68. 13 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 115 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Yo refers to percentage 4 Keyboard button description Table 4 1 Keyboard Function EM A 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 2 Shift key interface and running display interface and select the modification digit of parameters when modifying parameters Fauna ks It is used to start the running of the inverter under keyboard k 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 select
69. 2 Command Source Selection Factory default value 0 0 Operation panel command FO O2 Setup Range 1 Terminal command channel 2 Serial port communication command channel 94 Website vw viet trlng com vn E c 194 Nguy n Tr i V Cu ng TP B c Ninh 183 Po C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 EN us setup UP and DOWN non recorded F0 03 1 Digter setup UP and DOWN recorded ES St aaen e usec SS aa 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
70. 2 18 Main frequency source switching 19 UP and DOWN setup clear terminal and keyboard mm Website www viet trung com vn D c 194 Nguy n Trai V6 Cudng TP Bac Ninh 142 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 74 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 143 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Factor Minim y Set range default n um unit description value Modification 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 function is set the enabling time of modification will be controlled by this enabled terminal when performing frequency modification 35 PID action direction reverse terminal D20 terminal function selection DI10 terminal on UO selection expansion card If this terminal is enabled PID action direction is opposite to the direction set in FA O3 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 t
71. 220P 220G 250P MD320T250G 280P MD320T315G 355P Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 60 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 160 190 125 161 192 255 195 190 230 93 128 250 325 200 13 18 O15 10 15 012 190 230 93 128 250 325 200 13 18 O15 160 190 125 161 192 255 195 224 250 135 165 260 330 235 12 20 O14 10715 12 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 B2 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 61 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 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 Single phase slave built in brake unit of O 4KW 2 2kW standard Three phase slave built in brake unit of O 75KW 15kW standard I
72. 236 246 158 165 25 4 2 5 26 _ Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 49 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Product Information mounung Physical Dimensions mm Diameter of Weight Model Hole mm Mounting kg Hole mm A B H H1 W D MD320T250P MD320T7 5GB MD320T250G Meee her MD320T280P MD320T11GB MD320T280G MD320T15PB MD320T315P MD320T15GB MD320T18 5PB MD320T18 5G MD320T22P MD320T22G MD320T30P MD320T30G MD320T37P MD320T37G MD320T45P MD320T45G MD320T55P MD320T55G MD320T75P MD320T75G MD320T90P MD320T90G MD320T110P MD320T110G MD320T132P MD320T132G MD320T160P MD320T160G MD320T200P MD320T200G MD320T220P MD320T220G Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 50 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 b s SES 3483 2678 666 700 E 473 367 p10 47 449 905 880 930 579 375 p10 90 235 447 430 460 285 220 6 5 20 420 1030 983 1060 650 377 12 130 250 598 573 620 380 262 p10 34 di Website www viet trung com vn D c 94 Nguy n Tr i V Cuong TP Bac Ninh 51 C TY
73. 281 181 0989 984 666 50mm When Installation of Upper and Lower Parts When installing the upper and lower parts of the inverter the insulating splitter is required 42 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 80 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Mechanical and Electric Installation Dimension MD320 MD320N User Manual ower Leve lt 15kW 2100mm No requirements 18 5kW 30kW gt 200mm gt 50mm gt 3 kW gt 300mm gt 50mm 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 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 2 The mounting space shall be as indicated as the above figure so as to ensure the heat dissipation space of the inverter However the heat dissipation of other devices in the cabinet shall also be taken into account 3 The installation bracket must be flame retardant 4 In the applications where there are metal dusts it is recommended to mount the radiator o
74. 3H Data Content low order CRC CHK low order CRC CHK high order Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 376 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 CRC Checking CRC CHK values are to be calculated 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 377 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 in
75. 5 Motor Power 0 4 0 75 11 15 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 5kW INPUT 3 PH AC380V 3 4A 50Hz 60Hz OUTPUT 3PH ACOV 2 3A OHZ 300Hz EE Nguy n Trai V6 Cugng TP Bac Ninh 32 Website www viet trung D c 194 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 S N Barcode Shenzhen Inovance Technology Co Ltd Fig 2 2 Nameplate Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 33 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Product Information 2 3 MD320 Inverter Series Table 2 1 MD320 Inverter Model and Technical Data Power Input Output ees emm anm am uL m ew NN O le manh EAM C a Lee T TD oe wee s pw wu Do aa a kk 0 o0 mm ww e e emes e e me oue wwwm so m we e www so m pm pw 9 wmws owe m pw mm emm m m we opm Website www viet trung com vn 9 c 194 Nguy n Tr i V Cu ng TP B c Ninh 34 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320NT75 114 0 157 0 150 0 75 100 MD320NT90 134 0 180 0 176 0 90 125 MD320NT110 160 0 214 0
76. 66 Parameter Des Lg MD320 MD320N User Manu ab pam amplitude Factory default value 0 0 Setup range 0 0 to 100 0 Kick frequency amplitude 1 Factory default value 0 0 Setup range 0 0 to 50 0 FB 02 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 FO 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 FO 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 frequency 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 Time constant of triangular Factory default value 50 0 FB 04 wave bessser D Setup range range 0 0 100 0 Swing frequency cycle It refers to the time of a complete cycle of swing fr
77. 666 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 100 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 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 a
78. 84 666 MD320 MD320N Fault Diagnosis and Solution Err19 If the motor parameters are set as per the motor nameplate Set the motor parameters correctly Yes If the parameter identification No Check the cable connecting process is delayed the inverter to the motor Fig 8 18 Motor tuning fault ERR19 PG Fault No elect the encoder Check if the encoder model is compatible provided by the push pull or open collector Yes Yes Check if the encoder cable connection is wrong Remove the line fault Ask for technical support No If it is normal after replacing the PG card PG card fault Fig 8 19 PG fault ERR20 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 335 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 171 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 336 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Fault Diagnosis and Solution MD320 MD320N User Manual Lem Ask for technical lt gt KS I If itis normal after replacing the Main control board fault main control board Fig 8 20 Data overflow ERR21 Inverter hardware fault e ee EE Yes If it is over voltage e Remove over voltage fault Yes If it is over current m e Remove over current fault Fig 8 21 nverter hardware fault ERR22 g FI l e zm mm mm rm mm n EE EE EE
79. 984 666 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 EN619800 3 2004 Adjustable speed electrical power drive systems part 3 EMC requirements and specific test methods which is equivalent to the national standard GB T12668 3 IEC EN61800 3 assesses the inverter in terms of electromagnetic interference and anti electronic interference Electromagnetic interference mainly tests the radiation interference conduction interference and harmonics interference on the inverter required for the inverter for civil use Anti electromagnetic interference mainly tests the conduction interference rejection radiation interference rejection surge interference rejection fast and mutable pulse 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 int
80. B3 5s h D c 194 Nguy n Tr i V C ng TP B c Ninh 175 Modification LED display Set range description Segment 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 Tenth segment speed Ninth segment speed up speed down Tenth running time of PLC x x x x x up speed down Eleventh segment time 02413 281 181 0989 984 666 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Os h ch 0 0s h gt lt Bes 0 0s h h OAS 0 0s h h 90 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 176 C TY TNHH TU DONG HOA VIET TRUNG D320 oe Function Name code Eleventh segmen speed up speed down FC 41 time selection Twelfth segment FC 42 E running time of PLC Twelfth Segment FC 43 speed up speed down Thirteenth segment FC 44 mn running time of PLC Thirteenth Segment speed up poas DR speed down time selection Fourteenth segment FC 46 n running time of PLC Fourteenth Segment speed up Ec EE speed down time selection Fifteenth segment FC 48 running time LED display Set range even Segment speed up speed down Twelfth 0 0s h 6553 5s h segment time Twelfth segment speed up speed down Thirteenth segment time 0 0s h 6553 5s
81. DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Parameter Ta U sa 0 MD320N LL m LED display Set range default Sp code description terminal upon terminal upon fault fault Group FA PID Function 0 FA 01 PID setup Al u FA OO P source 2 AI2 4 PULSE setup DI5 5 Communication setup PID keyboard PID setup 0 0 100 0 50 0 setup 0 AN PID feedback PID feedback 2 AI3 FA 02 4 PULSE setup DI5 Communication setup PID actio P D actro 6 Posttive actio FA 03 direction direction 1 Reverse action CLUD FA 04 feedback PID range 065535 SES 1000 Te Proportional Integration Int ti FA 06 i cr TI 10 01s 10 00s 0 01s 2 00s time time Differential Diff tial FA m mee Mdb os 000s 10 000s mE 01s num 00s BS j D Menn OTI frequency of frequenc FA O8 0 00 maximum frequency 0 01Hz 2 OOHZ mS FA 09 Deviation limit Deviation limit 0 096 100 096 0 196 0 096 Differential amplitude Differential amplitude Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 167 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 0 100 Yo 196 5 x Group FB Swing Frequency Fixed Length and Count s tu E 0 Relative to the central FB 00 3 E g i frequency 0 01 0 00 x mode mode 1 Relative to maximum frequency 86 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 168 C TY TNHH TU DONG
82. DONG HOA VI T TRUNG 02413 281 181 0989 984 666 183 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 359 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 Appendix C Table 1 Gontrol Terminal Function Terminal Terminal Symbol name Function description Provide TWO power e for external units It is generally used as the operating power supply for the external potentiometer The potentiometer resistance range is 1kQ 10V GND 10V GND External It is generally used as the operating power 24V COM 24V power supply for digital input output terminal and the external sensor The maximum output current is 200mA Prior ki delivery the OP is connected to 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 1 Input voltage range DC OV to 10V AmA to 20mA which is determined by JK3 jumper on PM Analog T the Xenon card the factory default value 2 Input impedance It is 100kQ at the time of voltage input and 500Q at the time of current input pi amp cow o DI7 COM Digital input 7 DI8 COM Digital input 8 1 Optical coupling isolation compatible with Functional See dual jene dd digital input DI9 COM Digital input 9 terminal 3 Vices range for level input 9V to 30V Digital input DI10 COM 10 Website www viet trung com vn D c 194 Nguy n
83. Definition WGND 485 485 QOO 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 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 366 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 367 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 um down moer up dowm power E 2 Definition of Parameter Copy Card Up upload parameter It is to upload the parameters in the pa
84. EE EE EE EE EE EE EE EE EE EE EE EE I I I I I I Yes Det ct if the motor is short circuited to earth Replace the cable or motor Website www viet trung com vn D c 194 Nguy n Trai V6 C ng TP B c Ninh 337 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Replace the drive board Fig 8 22 Earth short circuit fault ERR23 Ne Website www viet trung com vn D c 194 Nguy n Trai V6 C ng TP B c Ninh 338 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Fault Diagnosis and Solution 8 2 Common Fault and Resolution the inverter using prqcess the following faults may occur Please conduct simple fault able8 1 Common Fault and Resolution Fault Phenomenon Possible Cause Solution The inverter has no input power supply Check the input power d i i IDDIV the drive board and control 2 Plug unplug the 8 core bard is in poor contact bus once again The internal parts of the inverter 3 Consult the manufacturer are damaged No display upon power on the drive board and control 1 Plug unplug the 4 core bard is in poor contact bus once again Other parts of the inverter are Consult the manufacturer HC is displayed upon power on The motor or the output 1 Measure the insulation of line is short circuited to the the motor and output line earth with magneto ohmmeter The inverter is damaged Consult the manufacturer ERR23
85. Factory default value 1000 Setup range 1 65535 BD 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 5 Setting Count DOT Li 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 289 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 in programmable controller PLC of the inverter It can set running time running direction and running frequency so as to meet the process requirements This series of inverter can implement 16 segme
86. G HOA VI T TRUNG 02413 281 181 0989 984 666 185 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 363 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 the 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
87. 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 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 e Degrade the motor insulation performance and damage the motor for the long run Generate large leakage current and cause frequent inverter protection Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 89 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 In general the inverter and 100 meters Installation of output distance between the the motor exceeds AC reactor is recommended 47 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 90 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Mechanical and Electric Installation MD320 MD320N User Manual 3 2 3 Connections Schematic Diagram for Single phase Inverter Connection Brake Resistor ic et GU n P w Single phase 220V 50 60Hz ZON d oc 2 v MD320 Gees Wey gt OP Sid Do Digitaminput 1 GN3 Extarnal Keyboard Interface Digitalin
88. 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 inspection 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 megame
89. 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 and metal powder P PD uin unm uentum unt um Po um atum uat ut um um ue ze 00mm zs 00mm 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 79 C TY TNHH TU DONG HOA VI T TRUNG 02413
90. NHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 D320 inda 2 1 1 meter Table Factory Function Modification Name LED display Set range default n code description value Setup requenc Lentgen Frequency O Run win frequency lower limit f lower limit 1 Stop requenc 1 y action 2 Zero speed operation lower limit F8 15 ks control Sen control 0 00Hz 10 00Hz 0 01Hz 0 00Hz Zu 0 Over modulation inactive F8 16 modulation modulation 1 Over modulation active enabled enabled F8 17 Oh 65535h 65535h time time Start Start Sg toi No protection F8 18 protection protection E 1 Protection Frequency detection F8 19 vale FDT level 0 00 maximum frequency 0 01Hz 50 00Hz FDTlevel requency detection FDT F8 20 hysteresis 0 0 100 0 FDT level 5 0 FDT hysteresis Frequency arrival Frequency arrival detection Motor overload protection width selection Earth short Circui protection detection Running time to action selection Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 161 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 0 0 100 0 0 1 maximu 0 m frequen se cy 0 Inactive 1 Active 1 0 Continu e running 1 Stop Group F9 Fault and we Protection 0 Inactive 1 Active 83 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 162 C TY TNHH TU DONG HOA VIET TRUNG Websit
91. OA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User ee nn SC Factory default Load speed display coefficient 1 000 value The output frequency of the 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 mm mm 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 Radiator temperature of Factory default value rectifier module F7 08 inverter module IGBT and the Setup range 0 0 C 100 0 C over temperature protection etel of the inverter module Accumulate Factory default value Oh Display the accumulated running time of the inverter till now When this time reaches the of the inverter DO and F5 04 otion Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 256 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 perform s action Software version No 1 Factory default value F7 10 Management software version No of Setup range the control board 131 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 257 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Parameter Descriptio VEN MD320 MD320N User Manual Software version No 2 Factory default value F7 11 Software version No
92. ONG HOA VI T TRUNG 02413 281 181 0989 984 666 Appendix A Fig 4 Schematic Diagram for Encoder Interface 178 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 349 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Appendix 2 Schematic Diagram for Frequency Division Interface Frequency division 244 Schematic Diagram I I I I A I I A1 COM T Appendix A Fig 5 Schematic Diagram for Frequency Division Interface A 2 4 Precautions 1 The PG card signal cables and the power cables shall be arranged separately and parallel wiring is not allowed 2 To avoid interferences on the encoder signal please select the shielded cable as the PG card signal cable 3 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 4 The length of shielded cable of the encoder shall be less than 80 meters 5 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 350 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666
93. OWN setup clear terminal and keyboard Website 194 Nguy n Tr i V C ng TP B c Ninh 220 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 l between terminal control and keyboard control frequency source X and main via this terminal frequency X plus auxiliary frequency l When the command source F0 02 is set to 2 source Y via this terminal When the it performs switching between communication frequency source selection F0 07 V control and keyboard control via this terminal is set to 4 it performs switching de Protect the inverter from affecting by the external between auxiliary frequency source X t st intain th and main frequency X plus auxiliary signals except stop command and maintain the current frequency frequency source Y via this terminal q y When the frequency reference is PID is inactive temporarily and the inverter iqi intains th rrent fr n tput digital frequency reference this maintains the current frequency outpu TEC be used io dear ie PLC pauses during the execution process When frequency value m dified by it resumes running it can effectively restore to the UP DOWN and thus restore the reference frequency to the setup value of F0 08 initial status of simple PLC via this terminal The inverter output with central frequency Swing frequency pauses When the command source FO O2 is set to 1 it performs switching 1
94. P B c Ninh 104 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Type Terminal Symbol Function Description NOTTnaIIV cipsed D 5 JA D320 MID320N User Manual Mechanical and Electric Installatio T A T B I terminal DC 30V 1A Contact driving capacity TIA TIC Normally open AC250V 3A coso 0 4 terminal Functional expansion card interfa 5 External ternal keyboard and t P CN3 keyboard e ey oard an parame er copy uni interface 3 Description of Connection of control terminals 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 Polentiomeler 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 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 105 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 External Analog Source Ferrite Magnetic Ring 0 022uF 50V Fig 3 10 Schematic Diagram for Connection of Terminal of analog Input 00 Website www viet trung com vn D
95. TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320 ee Parameter Description LI Torque upperlimit douroe Factory default value 0 o ER AI po tae HHIA Setup range Al3 2 3 4 PULSE setup 5 Communication setup me pl emen Torque upper limit Factory default value 150 Setup range range 0 200 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 Encoder pulse number Factory default value 1024 Setup 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 0 Straight V F curve F3 00 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh
96. TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 can 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 defautvaue 0 _ 0 Inacive ony inthe keyboard contol mode STOP key enabled in the terminal control Setup range STOP reset function active in the terminal 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 rela
97. Torque upper q pp q pp 0 096 200 096 0 196 150 0 limit limit Encoder Encoder pulse 1765530 1024 Website www viet trung com vn D c 194 Nguy n Trai V6 C ng TP B c Ninh 138 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 F2 12 Reserved Reserved 0 65535 1 F3 VIF Control Parameters 12 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 139 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 D320 mI meter Table m description VUE curve 0 Straight V F curve urv F3 00 V F curve setup 1 Multiple point V F curve setup F3 01 Torque boost Torque boost 0 0 automatic 0 1 to 30 0 ES 1 EN id frequency of F3 02 frequency of 0 00 maximum frequency 0 01Hz 50 00Hz m ng torque boost V F frequency V F frequenc F3 03 0 00Hz rated motor frequency 0 01Hz 0 00Hz wa VIF Ge F3 04 V F voltage 1 0 0 100 0 0 196 0 096 VIF Te F3 05 V F frequency 2 0 00Hz rated motor frequency 0 01Hz 0 00Hz E F3 06 I V F voltage 2 0 0 100 0 1 0 0 I V F frequency F3 07 l V F frequency 3 0 00Hz rated motor frequency 0 01Hz 0 00Hz F3 08 V F voltage 3 0 096 100 096 0 1 0 0 i Slip F3 09 i compensation 0 0 200 0 0 1 0 0 x ici coefficient O linactive 1 Active 2 Inactive only at speed down ime Oscillation Oscillation I Model F3 11 suppression suppression 0 100 1 x I dependent gain
98. Tr i V C ng TP B c Ninh 382 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 195 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 383 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Command Function 0001 Forward operation CommandWord MI Address 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 l Contents of locking password command password command 5000 0001 lock system command code Digital output terminal control write only Address of locking password command Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 384 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 196 Website ww 6000 v viet trung com vn Contents of locking password command BITO BIT1 BIT2 BIT3 BIT4 DOT output control DO2 DO2 output control RELAY1 RELAY1 output control RELAY2 RELAY2 output control FMR FMR output control D c 194 Nguy n Tr i V Cu ng TP B c Ninh 385 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Analog output AO1 control write only Address of locking Contents o
99. ameter 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 function 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 w
100. 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 Hardware 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 370 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 371 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Appendix MD320 MD320N User Manual F 4 Protocol description C320 series inverter communication protocol is a kind of serial master slave communica
101. 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 Website www viet trung com vn D c 194 Nguy n Trai V6 C ng TP B c Ninh 68 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 69 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Product Information a The equipment is damaged becaus
102. ase AC power supply a N koi S Se a Please use the power supply which is within the inverter Ve J specification ko Electromagnetic Contactor r d f To insure the safety please use electromagnetic contactor Please do Zd not use the electromagnetic contactor to start and stop the inverter otherwise it will reduce the lifetime of the inverter 1 uf Electromagnetic Contactor ci Cm To insure the safety please use electromagnetic contactor Please do D not use the electromagnetic contactor to start and stop the inverter D gt otherwise it will reduce the lifetime of the inverter u gt II P AC Reactor Suppress the high order harmonic to improve the power factor Brake Resistors Optional Input Side Noise Filter Brake Unit or Energy Feedback Unit Optional It can give full play to the regenerative capacity of the inverter plea use according to needs Inovance Inverter 5 DC Reactor standard configuration Grounding 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 e 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 e The Inverter input output main circuit contains harmonic components it may interfere with inverter accessories communications
103. ase refer to F8 19 and F8 20 for details FDT arrival Frequenc y arrival Please refer to F8 21 for details 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 overload pre warni ng be invoked 10 seconds before the occurrence of protection And ON signal will be output Setup counting When the counting value reaches the setup value of FB 08 it Designat ed When the counting value reaches the setup value of FB O9 it counting pulse outputs ON signal Refer to Group B function description for the When the measured actual length exceeds the setup value of When the setup frequency exceeds the frequency upper limit Frequenc y and frequency lower limit and the output frequency of the limiting inverter reaches the frequency upper limit and frequency lower limit it outputs ON signal C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 When the torque limiting function is enabled the stall protection function is automatically enabled and the output frequency is automatically changed Meanwnhile it outputs ON signal indicating that it is outputting torque limit This output signal can be used to reduce load or display overl
104. ault Wo code I description Output Output phase failure 0 Inactive F9 13 I phase failure protection 1 Active selection 0 No fault 1 Inverter unit protection ERRO1 fault type 1 2 Speed up over current ERRO2 3 Speed down over F9 14 The second F9 15 The second current ERRO3 failure type failure type 2 4 Constant speed over current ERRO4 5 Speed up over voltage ERRO5 6 Speed down over voltage ERRO6 7 Constant speed over voltage ERRO7 8 Control power supply fault ERROS 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 failure type DES 15 External fault ERR15 16 Communication fault ERR16 17 Contactor fault ERR17 18 Current detection fault ERR18 19 Motor tuning fault ERR19 20 PG fault ERR20 21 Data overflow ERR21 nverter ardware fault ERR22 fa Enn 7 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 165 F9 16 The last The third fault L fault ERR23 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 F9 17 e upon fault upon fault Currentupon Current upon F9 18 e fault fault Bus voltage Bus voltage poe b 0T o upon fault upon fault 85 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 166 C TY TNHH TU
105. aximum analog output corresponding to the output of O to10V 20mA 123 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 241 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Parameter Description MD320 MD320N User Manual It is generally used to correct the zero drift of the analog output and the output amplitude deviation It can also be defined as any necessary output curve For example If the analog output is the running frequency it is expected to output 8V 16mA when the frequency is 0 and output 3V 6mA at the maximum frequency the gain shall be set to 0 50 and the zero offset shall be set to 80 Group F6 Start Stop Control Start mode Factory default value a Direct start When the DC brake time is non zero value perform DC braking Setup range f 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 fa
106. c 194 Nguy n Trai V6 Cu ng TP B c Ninh 106 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Mechanical and Electric Installation 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 424v 241 v o LF l i Em kg pri 33k pou E SCH p ES um i DS 33k CHE Inverter Control Board 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 107 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 36 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 108 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Mechanical and Electric Insta
107. cal 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 hour Frequent charge and discharge will reduce the service life of the capacitor inside the inverter lf 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 v
108. communication status Communication protocol f Factory default value selection EX Non standard MODBUS protocol Setup range Standard MODBUS protocol FD 05 1 Select satandard MODBUS protocol FD O5 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 392 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 200 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 393 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 NN d wc Inovance Warranty Agreement 1 The warranty period of the product is 18 months refer to the barcode on the equipment body During the warranty period if the product fails or is damaged under the condition of normal use by following the instruction Our Company will be responsible for free maintenance 2 Within the warranty period maintenance will be charged for the damages caused by the following reasons a The damage caused by improper use or repair modification without prior permission b The damage caused by fire flood abnormal voltage other disasters and second disaster c The hardware damage caused by dropping or transportation upon the procurement d The damage caused by the improper operation e The damage or failure caused by the
109. ctromagnetic Compatibility 156 Y L O ANN KONN E 156 2 ENG Standard RE ed uu a ka a l kk kon l il apes sen fia k 156 7 3 EMC GO wv 156 Chapter 8 Fault Diagnosis and Solution 160 8 1 Fault Alarm and Countermeasures REx ber AE kk RA A M RN RENE 160 8 2 Common Fault and Resolution kek kaki ii ake deba ip kk kip ends a eqs 173 Appendix Card Description 176 Appendix A Description of Common PG Card MD32PG 176 Appendix B Description of Long line Drive PG Card MD32PG23 181 Appendix C Description of IO Expansion Card MD32IO 182 Appendix D Description of Communication Card MD32MBS 186 Appendix E Description of Parameter Copy Card MDCP 188 Appendix F MD320 serial communication protocol 189 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 13 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Preface MD320 MD320N User Manual Connection to peripheral divices a r Three ph
110. d select 2 complete tuning in F1 11 and press RUN key on the keyboard panel then the inverter will automatically calculate the following parameters F1 06 Rotor resistance F 1 07 rotor resistance Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 124 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 F1 08 Leakage inductive reactance F1 09 mutual inductive reactance F1 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 125 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 l 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 A 2 No load Curr
111. d auxiliary frequency sources cannot use the same frequency reference channel Auxiliary Frequency source Factory default value 0 Y relative value selection F0 05 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 188 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Relative to maximum frequency Setup Range Relative to frequency source X Auxiliary Frequency source F0 06 Y Setup Range 096 to 10096 Factory default value 0 OF Website C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Parameter Description MD320 MD320N User Manual When the frequency source selection is frequency overlap reference F0 07 is set to 1 or 3 itis used to determine the adjustment range of auxiliary frequency source FO 05 is used to determine the relative object o at range frequency source Y Switching between main frequency source X Setup Range Switching between main frequency source X and main frequency source X plus auxiliary 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
112. e www viet trung com vn EE e l 0 MD320N m Fact Function nguy Modification LED display Set range default M code l description Motor Overload overload F9 01 protection 0 20 10 00 BER coefficient Motor F9 02 pre warning 50 100 1 80 pre warning a W coefficient coefficient Stall gain over Stall gain over F9 03 Gana di VUILaQUC VUILaUC F9 04 disi over p ou 120 150 1 130 voltage Stall gain over Stall gain over F9 05 Stall protection F9 06 10 30 A 50 current Transient Transient F9 07 GEET non n stop li t non n stop 0 Inactive EE EZ e F9 08 0 00Hz s maximum frequency s s 01Hz 00Hz s frequency stop frequency falling rate falling rate Fault auto Fault auto F9 09 F9 11 reset interval reset times T A T B T Input phase failure protection selection C Faulty rely action F9 10 selection during the K u auto D c 194 Nguy n Tr i V C ng TP B c Ninh 163 02413 281 181 0989 984 666 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 reset times O No action 0 Ww 1 Action Fault auto reset interval 0 1s 100 0 S 0 1s 1 Os Input phase failure 0 Inactive selectio i i x 1 Active 84 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 164 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 D320 uia el meter Table Fact Function Mo Modification LED display Set range def
113. e www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 296 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 D320 MD320 Sixth segment running time pounn Q Os h Setup range 0 0s h 6553 5s h Speed up speed down time ent of PL Setup range ge Seventh segment running TET akte n Deh a N USC VlarniUuo D D a FC 31 Setup range 0 0s h 6553 5s h Speed up speed down time Q zin FC 33 of seventh segment of PLC DS i Setup range gr Eighth segment running time antan data Al n 0e h a Setup range 0 0s h 6553 5s h Speed up speed down time n FC 35 of eighth segrnent of PL kk g QE Setup range 0 3 Ninth segment running time Factory PI default value Setup range 0 O0s h 655315s h Speed up speed down time it h ent of PL Setup range 0 3 Tenth segment running time ES xim Aneti Setup range 0 0 s h 6553 5s h Speed up speed down time Setup range 0 3 Eleventh segment running po Setup range 0 0s h 6553 5s h Nis Bus mm FC 38 TI TI Q Q LA G N eo a a a a H Li Website C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Speed up speed down time FC 42 of eleventh segment of PLC Factory default value 0 Setup range U35 Wem segment running Factory default value 0 0s h time of PLC Setup range 0 0s h 6553 5s h 151 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 298
114. e 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 type Tuning selection Factory default value EE NEN 0 Nooo 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 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 200 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 of static tuning the motor will accelerate to 80 of the rated motor frequency in accordance with the setup acceleration time of FO 17 and maintain for certain period of time Then the motor will decelerate to zero speed in accordance with the setup acceleration time of FO 18 and by th
115. e is a non Setup range 0 65535 dimensional unit It is used to display the PID reference an Proportional gain P Factory default value Setup range 0 0 100 0 Integration time Factory default value Setup range 0 01s 10 00s Differential time D Factory default value 0 000s FA 07 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 the adjustment intensity is When this parameter is 100 indicating the deviation between PID feedback quantity and the reference quantity is 10096 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 10096 The shorter the integration time is more powerful the adjustment intensity is Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 283 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Differential time D It decides the inte
116. e 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 PRG ENTER 50 00 FO mar F3 F3 00 LES F3 02 Diis gt r PRE cam ENTER 01500 lt 010 00 lt 00 00 Fig 4 3 Example of parameter editing operation In level 3 menu if the parameter has no flashing bit it indicates that the function code cannot be modified The possible reasons include 1 The function code is an unchangeable parameter such as 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 Website www viet trung com vn D c 194 Ngu
117. e read at the most For example The inverter start address F002 of the slave 01 continuously reads two consecutive values Master command information E CHK Low order CRC CHK values are to be calculated CRC CHK CRC CHK high order order Slave responding information When FD 05 set to 0 Mo Im ke mm Website ww viet trung eemcyg ii d94 Ng i 1g T P B D c 194 Neuv n Trii V6 Cu ng TP B c Ninh 374 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 CRC CHK values are to be calculated CRC CHK high order When FD 05 set to 1 ADR 01H CMD 03H 191 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 375 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Appendix MD320 MD320N User Manual The Number of byte O4H Data FOO2H high order OOH Data F002H low order OOH Data F003H high order OOH Data F003H low order 01H CRC CHK low order CRC CHK high order CRC CHK values are to be calculated Command Code 06H write a word For example Write 5000 1388H into FOOAH which slave address is O2H Master command information ADR 02H CMD 06H Data Address high order FOH Data Address low order OAH Data content high order 13H Data content high order 88H CRC CHK low order CRC CHK values are to be calculated CRC CHK high order Slave responding information ADR CMD Data Address high order Data Address low order Data Content high order 1
118. e stop time This mode is the same as the meaning of coast to 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 before stopping After the external fault signal is sent to the inverter the inverter reports fault and stops selection terminal 1 Speed up speed down time selection terminal 2 Website www viet trung com vn D c 194 Nguy n Trai V6 C ng TP B c Ninh 218 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 of digital status of these four It can select four types of speed up speed down terminals Refer attached table 1 time through the combination of digital status of for the MS speed function these two terminals description 132 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 219 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 D320 MD320N User Manual Parameter Descriptio Function Description 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 FO O7 is set to 3 it performs switching between main Frequency source switching 23 PLC status reset Swing frequency pause UP and D
119. e 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 Acceleration Time mamaman FC 21 Defined LW FC 23 Defined Acceleration De P Acceleration Decel celeration Time FC 01 eration Time FC 18 DO or RELAY Index Fig 6 atic Diagram of Simple PLC PLC runn mE Factory default value onstant circulation FC 16 Keep final value upon completion of one time Setup range inni NO PLC power fail Factory default value 0 selection FC 17 0 Power failure without memory Setup range 1 Power failure with memory 0 Stop upon completion of one time running Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 293 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 294 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Parameter Description MD320 MD320N User Manual T
120. e 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 standard 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
121. ed 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 Setup range EP 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 0 MF K Key function inactive Switching between operation panel command channel and remote command F7 01 1 channel terminal command channel Setup range or serial port communication command channel Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 250 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Switching rotati 2 between on reverse rotation forward and 3 Forward rotation Jog command 128 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 251 C TY
122. ent lo l Tj Mutual inductancclim ae f 22 Lo Calculation Where lo refers to no load current Im refers to mutual inductance while lo refers to leakage inductance Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 126 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 66 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 127 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Function Parameter Table Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 128 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Function Parameter Table MD320 MD320N User Manual Chapter 5 Function Parameter Table If FP OO 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 O The parameters in the shortcut menu are free from password protection The symbols in the function table are described as follows x It indicates that the parameter setup value can be modified when the inverter is in stop status and running status ke 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
123. equency 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 287 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 SC Actual length Factory default value Om lengt u h Setuprange PAST value 1000m Setup range 0m tBep of pulses each Factory default value 100 0 FB 07 meter Setup range 0 1 6553 5 146 Website C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 DIS input generally when the pulse frequency is relatively high Actual length length count 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 Fe Setup counting value
124. er 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 and is associated with the system 37 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 71 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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
125. er 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 alarm or explosion of the inverter Therefore please conduct
126. er 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 206 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 inverter will keep running with the frequency lower limit 106 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 207 C TY
127. errupt 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 AC input reactor 7 3 2 Electromagnetic Interference and Installation Precautions Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 306 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Trai V6 C ng TP B c Ninh 307 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 cable
128. ete inductive mutual inductive reactande e m an L ee LO UP S O IEEE Website ww viet trung com vn D c 194 Nguy n Tr i Va C ng TP B c Ninh 136 c F1 06 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 0 0010 6 x 5 535Q Sepandan 0 001Q Model 0 001Q 6 d d x 5 535Q Oia 0 001Q Model d 0 01mH 6 dependen 55 35mH t 0 01mH Model x 0 1mH 6 dependen 553 5mH t 0 1mH F1 10 0 01A 650 00A 0 01A x current current 0 No operation Tuning Tuning I F1 11 l l 1 Static tuning 1 0 selection selection 2 Complete tuning ra Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 137 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 ee 2 0 MD320N W Factor Function y Modification LED display Set range default code description value F2 Vector Control Parameters i a gn UM BEEN integration Speed loop l1 0 01s 10 00s 0 01s 0 50s time 1 F2 02 0 00 F2 05 0 01Hz 5 00Hz frequency 1 Nis 1 ui ade to A proporti Deed OOD Ot t EL LL D D Speed loop F2 05 AA ke We 0 01Hz 10 00Hz requency 2 frequency 2 A nh n Ip coefficien 200 EL EN I e RN Speed loo of speed loop PTT TH o ooos 0 100s 0 0018 0 000s filter nen 0 Active F2 08 Torque control Torque control 2 lnactive 0 F2 10 1 AN 2 AI2 orque upper orque upper limit source limit source 4 PULSE n Torque upper
129. f 75kW or above External brake unit MDBU External brake unit of over 37kW usque kenn employ the parallel MOC Energy f sdbaek The inverter is energy saving R I MDFB product which can feed the electric energy back to AC power grid It can realize constant pressure Multi pump water MD32WS pump Deeg MM system Sp EulitfiitEl cf 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 0 expangioneard MD32IO analog voltage input one relay output one digital output and one wu ss one OUM card MODR RS485 MS DESEN nan na nh J4 NgUy AI VO Dd 62 2 6 Optional Parts Built in brake unit of 18 5kW to 30kW optinal B attached Built in brake unit behind the d Website www viet trung C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 interface and RS2 32 communicati on interface PROFIBUS DP bus card DeviceNet bus card CANopen bus card RJ45 is compatible MD32PFS MD32DCT MD32CAN PROFIBUS DP bus interface with the terminal interface DeviceNet bus interface CANopen bus interface 33 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 63 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 Product Information DEM MD320 MD320N User Manual push pull or open collector output encoder is adaptable Rotary encoder interface
130. f locking password command password command 7000 O 7FFF refers to 0 to 100 00 26 Analog output AO2 control write only Locking password Locking password command contents command address 9000 O T7FFF refers to 0 to 100 00 Pluse output control write only Address locking Contents locking password command password command A000 O to 7FFF decimal refers to 0 to 100 00 Inverter fault description Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 386 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 197 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 387 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 en aac ual Inverter fault App Inverter fault information address 0000 No fault 0001 Inverter unit protection 0002 Speed up over current 0003 Speed down over current 0004 Constant over current 0005 Speed up over voltage 0006 Speed down over voltage 0007 Constant over voltage 0008 Control power supply fault 0009 Under voltage fault 000A Inverter overload 000B Motor overload 000C Input phase failure 000D Output phase failure 000E Radiator overheating OOOF External equitment fault 0010 Communication fault 0011 Contactor fault 0012 Current detection fault 0013 Motor tuning fault 0014 PG Fault Description data of communication fault information fault code C
131. f the faulty relay so as to shield the fault alarm caused and ensure the continuous operation of the equipment during the failure reset C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 ki waiting tm of the inverter from the fault cum The alarm to auto reset 140 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 276 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Factory default protection sel ction value Select whether to provide protection for input phase failure Only the MD series inverter of G model with over 18 5kW can O Inactive 1 Active set to O or 1 Output phase failure Factory default protection selection value F9 13 O Inactive Select whether to provide protection for Setup range 1 Active output phase failure F944 First fault type F945 Second fault type F946 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 for details Frequency upon _ f Display the frequency upon fault for the most recent one time F9 17 fault Current upon f Avi Display the current upon fault for the most recent one time au Bus voltage upon fault Display the bus voltage upon fault for the most recent one time Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 277 C
132. frequency to maximum fr quenc MSspbed 8 Factory default value 0 0Hz oO En ne onn Setup range Negative maximum frequency to maximum fr quenc MS eed 9 Factory default value 0 0Hz EE EE Setup range Negative maximum frequency to maximum fr quenc p ed 10 Factory default value 0 0Hz FC 10 Setup range Negative maximum frequency to maximum MS speed 11 Factory default value 0 0Hz FC 11 Negative maximum frequency to maximum frequenc Facto FC 12 default value Website D c 194 Nguy n Tr i V C ng TP B c Ninh 291 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Setup range Negative maximum frequency to maximum frequency FC 13 MS speed 13 Factory default value 0 0Hz Setup range Negative maximum frequency to maximum frequency FC 14 MS speed 14 Factory default value 0 0Hz Setup range Negative maximum frequency to maximum frequency 148 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 292 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Parameter Description MS wan TO 15 Factory default value FC 15 Setup range range Negative maximum frequency to maximum frequency When the frequency source parameters F0 07 F0 03 and F0 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 determin
133. g com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 396
134. ge 0 100 Speed loop integration Factory default value 1 00s EUN 2 Setuprange range 0 01s 10 00s e porem Switching frequency 2 Factory default value 10 00Hz on peteeeee Speed loop proportional gain 2 Factory default value me Setuprange range F2 02 maximum frequency Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 202 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 203 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Parameter Description PI Parameter F2 00 F2 01 F2 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 t
135. h Irteent Segment speed up speed down Fourteenth 0 0s h 6553 5s h segment time Fourteenth segment speed up speed down Fifteenth of PLC Fifteenth c a c zx o o 02413 281 181 0989 984 666 ameter Table Factory default value Modification description 0 0s h 0 0s h ch ch 0 1s 0 0s h ch 0 1s Website wwwcvi ttrmg con vn B e 194 Nguy n Tat Kn C ng TP B c Ninh 177 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 0 0s h 655 0 0s h x segment 3 5s h h time Fifteent h segmen FC 49 0 3 1 0 x speed down speed up time selection speed down of PLC 91 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 178 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Nhau mon 0 MD320N Function I e x I x um unit description value Running time Time unit 0 s s of PLC selection 1 h h Group FD Communication Parameters 0 300BPS 1 600BPS 2 1200BPS FD 00 Baud rate Baud rate A io 4 4800BPS 5 9600BPS 6 19200BPS o mms IL 0 No parity check FD 01 Data format Data format 1 Even parity check 1 x Oda parity chec 1 to 247 and O is the broadcast FD O2 Local address Local address 1 1 x address response response Oms 20ms 1 2 x delay delay Communi Communi cation timeout cation timeout 0 0 inactive and 0 1 60 0 0s 0 1s 0 0 x
136. he 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 100 coefficient 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 204 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 carrying the same load Time constant of speed loop F2 07 filter Setup range 0 000s 0 100s Factory default value 0 000s 105 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 205 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989
137. he 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 memori AN FC 18 HH ne e P Factory default value 0 0s h Speed up speed down time Setup range Ors One segment running time of s tan default value 0 Os h Setup range 0 0s h 6553 5s h Speed up speed down FC 21 time of first segment of PL actor c eat Hes a Setup range 0 3 Setup range 0 0s h 6553 5s h Speed up speed down time FC 23 of second segment of PLC DS ai Setup range g Third segment running time Ska z siia n Ae h Second segment running FC 22 y FC 24 Setup range 0 0s h 6553 5s h Third segme nt speed up m alive c g1 Setup range 0 3 Fourth segment running time tecta E n 0e h Setup range 0 0s h 6553 5s h Speed up speed down time of Fourth FC 27 FC 28 segment o Kl Website w viet tr r i PB O ng com vn c 194 Nguy n Tr i V Cuong TP B c Ninh 295 FC 26 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Fifth s Factory default value 0 e g m e Factory default value 0 0s h n t r u n n i n g ti m e o f B L C Setup range 0 0s h 6553 5s h Speed up speed down time DE of fifth segment of PLC Factory default value 0 Setup range 0 3 150 Websit
138. he 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 O2 is set to terminal control it will switch to the communication control and vice versa Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 144 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 75 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 145 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 lusu 0 MD320N W Factory HT Function Modification LED display Set range default n 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 39 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 requency When this terminal is enabled DI terminal F4 10 DI filter time Terminal Terminal F4 11 command command F4 12 of terminals terminals UP 0 01 Hz s 100 0OHz s 1 00Hz s UP DOWN DOWN Al1 minimum ANM minimum F4 m Spondi na wa time impu 14 T I corresponding AI2 minimum input F4 17 setup F4 15 Al1 maximum inpu
139. hich increase group FH parameters the communication address of group FH parameter Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 380 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 is D0 non stored E0 stored For example FH 05 it indicates D005H or E005H FH 20 it indicates DO14H or E014H Stop start parameter 194 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 381 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Parameter addr Parameter description 1000 Communication setup value 10000 to 10000 Decimal 1001 Running frequenc 1002 Bus voltage 1003 Output voltage 1004 Output voltage 1005 Output power 1006 Output torque 1007 Running speed 1008 DI input flag 1009 DO output flag 100A AN voltage 100B AI2 voltage 100C Al3 voltage 100D Counting value input 100E Length value input 100F Load speed 1011 PID feedback 1012 PLC process 1013 Caution Communication setting value is the percentage of relative value and 10 000 correspond to 100 0095 10000 correspond to 100 00 On the frequency dimension of the data the percentage is the percentage of relative maximum frequency FO 10 To the torque dimension data the percentage is relative twice percentage of the inverter rated torque Control command input to inverter write only Website www viet trung com vn D c 194 Nguy n
140. igital input 2 dual polarity input DI3 COM Digital input 3 2 Input resistance 3 3kO m 3 Voltage range for level input 9V 30V usq In addition to the characteristics of DI1 to D14 it can also be used as the high speed pulse input channel Maximum input frequency is 50kHz s te a High speed DIS COM pulse input terminal e voltage or current output Is determined by the J4 jumper on the control board Output voltage range OV 10V Output current range OMA 20mA AO1 GND Analog output 1 Optical coupling isolation dual polarity open collector output Output voltage range Output current range Caution The CME and COM is internally 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 DO1 CME Digital output 1 yndjno eu pulse output FM COM High speed Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 103 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 It is limited by functional code F5 00 FM the maximum frequency can reach 50kHz Terminal Output Mode Selection When it is used as open collector output it is When it is used as high speed pulse output same as DO1 in terms of specifications 04 Website www viet trung com vn D c 194 Nguy n Tr i V C ng T
141. ilure 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 To complete the rotation speed tracking process within the shortest time select the mode of Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 242 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 243 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Tae i Rotation speed tracking Factory default 20 F6 02 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 Startu
142. in kn ni lat 19 2 4 Technical Specifications 21 2 5 Physical Appearance and Dimensions of Mounting Hole 23 26 Optional uci uU uuu u uuu TE 33 2 7 Routine Repair and Maintenance of inverter 35 2 8 Instructions on Warranty Of Inverter ar e 36 Zuvor e RC p of 2 10 Guide to Prototyping of Brake Components 37 Chapter 3 Mechanical and Electric Installation 42 3 1 ge ie MT 42 Ee L ANA e E 45 Chapter 4 Operation and Display 60 4 1 Introduction to Operation and Display Interface 60 4 2 Description of Function Code Viewing and Modification Methods 61 4 3 Shortcut Menu Operation Mode na uU RU kk Ra atis 62 4 4 Extended Function MENU E e e a im ai ii ik kl ai la G4 4 5 Method of Viewing Status Parameter 64 4 6 Password Setting T INDEM a k
143. ing 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 direction 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 Maximum frequency Factory default value 50 00 Hz Setup Setup Range SetupRange 50 00Hz to 300 00Hz Frequency source upper limit Factory default value o FO 11 PULSE setup 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 10096 of analog input setup is relative to FO 12 EN FO 12 setup Setup Range 2 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 F0 12 Frequency lower limit F0 11 to maximum frequency Setup Range
144. insulation and short circuit test on the newly installed motor and Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 27 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Trai V6 C ng TP B c Ninh 28 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Safety and Precautions MD320 MD320N User Manual Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 29 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 30 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Product Information Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 31 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Product Information MD320 MD320N User Manual Chapter 2 Product Information 2 1 Designation Rules MD320N T 07 GB Inverter Series Brake Unit N Including Brake Unit Gerneral Type pr Fan Pump Type Voltage Level Single Phase 220 Three Phase 380 Adaptable Motor Power Corresponding Relationship Mark 0 4 0 7 veers 11 1
145. ion 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 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 7 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 8 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 user manual and warranty card 2 If the product is damaged during the transportation If there is any omission or damage please contact our com
146. ion namely setup frequency bus voltage DI input status DO output status analog input Al1 voltage analog input Al2 voltage analog input AI3 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 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 122 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 AN voltage analog input Al2 voltage analog input AI3 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 123 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Operation and Display 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 pa
147. ion key 4 2 Description of Function Code Viewing and Modification Methods The operation panel of the MD320 inverter adopts three level menu structure to carry out operations such as parameter setting Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 116 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 The three level menu includes function parameter set level 1 menu Function code level 2 menu gt Function code setup value level 3 menu Refer to Fig 4 2 for the operation procedure 61 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 117 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Operation and Display MD320 MD320N User Manual Parameter Set Function Code Function Code Modification Modification Modification Cu A yv y v PRG ENTER ENTER m 50 00 FO F0 08 050 00 Li q 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 th
148. ircuit Front end of input Disconnect the power supply when the equipment breaker circuit at the lower part is over current Website c 194 Nguy n Tr i V C ng TP B c Ninh 87 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Trai V6 C ng TP B c Ninh 88 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 320 MD320N UgerManual Mechanical and Electric Installat Part Name Mounting Location AC input side of the inverter reactor VIC Inpu filter inverter MD series inverter adopts DC reactor of more than 7 5G as standard Between the inverter AC output output side and the reactor motor close to the inverter Function Description 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
149. ircuit terminal 2 The 0 75kW 15kW Auto unit is the standard configuration 3 7 5kKW 55kW is build in DC reactor 4 The selection of the braking resistor is according to the user need See the prototyping Guide of braking resistor for details Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 93 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 49 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 94 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 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 Otherw
150. is 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 201 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Parameter Description MD320 MD320N User Manual Tuning operation description When F1 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 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 O1 0 or 1 it is active and when F0 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 EN 1 Setup range range 0 01s 10 00 s e Imm Switching frequency 1 Factory default value 5 00Hz Setup range range 0 00 F2 05 Setuprange ran
151. ise it may cause fire Largest Cable Size of Power Terminal Fen en en Website www viet trung com vn gt aaa Tal V O Cu ng 1P Bac C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 mm AWG kgf cm ie T0 7G 2 5 14 10 0 5 jene lelx s ale uly w m A T1 5G 2 5 14 10 0 5 T2 2G 2 5 14 10 0 5 50 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 96 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 T3 7G 4 0 12 14 0 5 T5 5G 7 5P 4 0 12 1440 5 Largest Cable Size of Power Terminal ons a et Fals du i fe ole RAY AN T7 5GM1P vese I pi JU TMGASP T15G 18 5P Fig 3 7Diagram for Driver main circuit power terminal 1 Instructions of main circuit terminals of single phase inverter Input terminal of single single phase 220V power connection point phase power supply Negative and positive Shared DC Bus input point terminals of DC bus Connecting terminal of Connect the brake resistor brake resistor Output terminal of inverter Output terminal Connect the three phase motor of inverter Earth terminal Earth terminal Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 97 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 2 Description of main circuit terminals of three phase inverter ol Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c
152. iye ea 65 4 7 Automatic Tuning of Motor Harameiers a 65 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 11 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Chapter 5 Function Parameter Table 68 Chapter 6 Parameter Description 94 Group FO Basie ANOU OU BE 94 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 12 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Group F1 Motor Parameter 102 Group F3 VIF Control e EC 107 Group F4 aiino bI M I Tm 110 Group F6 Start Stop Control uasa UP RR Tae EN ia EEG REIR ai NE Tul FE Mex v T UE SUM B TUS 124 Group F8 Auxiliary FOUNO MON e e eax 132 Group FA Process Control PID Function aa nnn 142 Group FB Swing Frequency Fixed Length and Count 145 Group FC MS Speed Function and Simple PLC Function 147 Group FD Communication Parameters nennen 111 nnn nnne nns 153 Group FF Factory Parameters Heservecd c c Q00 SH HH HH HH HT ng nen kg 155 Group FP User PP ASSWOF L caseiesieiaeirdbbotieboetebtiessggibftlibiddssiolatlseasibluliigsuidhgiuiidsietbsiossifroybEbedstoebdlkeaseeioba 199 Chapter 7 EMC Ele
153. l 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 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 19 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 20 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 cove
154. le Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 310 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 311 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Fault Diagnosis and Solution Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 312 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 rr22 is hardware over current or over voltage Among the 21 pieces of warning mon fault will cause Err22 alarm signal In most cases the hardware Inverter Unit Protection Check if the inverter output wi
155. ll slightly increase 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 00 F8 18 Setup range Dm 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 F8 19 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 265 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Frequency Factory default value detection 50 00Hz value FDT level Setup range 0 00Hz maximum frequency 135 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 266 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 oo pren Parameter Descripti actory defau hysteresis
156. llation 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 x External F 4 Controller OP x s x _ R x DIL 3 3 koua E DIS 33k Website www viet CHE I Ninh 109 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 j verter Control Board oard Fig 3 13 Source Electrode Connection but Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 110 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 1 External 24V Inverter Control Board Controller 24 Fig 3 14 Drain Connection In this connection mode it must remove the short circuit copper bar between 24V and OP and connect OP
157. lse input filter Factory default value 0 10s 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 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 232 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 233 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 terminal relay 2 one multifunctional digital output terminal DO2 and one multifunctional analog output terminal AO2 FM terminal output mode Factory default value selection Bu EN Pulse output FMP etu
158. mands 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 O1UO2 uo noun 4 Ol9Z PJED Su UA p9 IOS O 3 S O W a 162 OJ UO Addis P usuedx3 O I JeuBis bojeuy O11UO2 91607 DIE uonejos Ado Jejeujejeg r 5 v o Q A e 5 5 O Q o o a preogAsy OO ouo uolsu peo soe Au 3 STEET GT MD320 Control Module MD300 Control Module Common PG Card Hig performance Control Moune 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 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 funct
159. n Trai V6 Cu ng TP B c Ninh 346 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 347 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 0 The frequency division coefficient is as shown in the table below Appendix A Table 3 Terminal and Toggle Description A 2 3 Principle Schematic Diagram 1 Schematic Diagram for Encoder Interface pT Website www viet trung com vn D c 194 Nguy n Trai V6 C ng TP B c Ninh 348 C TY TNHH TU D
160. n the motor is reused after being kept or when periodical inspection is performed it shall conduct motor insulation inspection so as to avoid Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 23 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 5MO 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 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 24 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 the motor 1 2 3 Running with Frequency higher than Standard Frequency This inverter can provide output frequency of OHz 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 mechani
161. nctional 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 1 O Control mode SVC VC VIF SVC VIF Vultiple point fold line mode which is easy to realize the functions of the injection molding machine MS MSspeed Be able to realize 16S Be able to realize 168 speed Be able to realize 4S Be able to realize 4S speed _ Four DI unidirectional input and one high speed port two Al one DO one AO and one relay Analog setup mode Straight line mode PLC ELLE PLC Be able to realize timing operation fixed length control Main auxiliary reference of any channel Communication function Via the expansion card Via the specialized card Muliple point VF Available Main auxiliary setup Only A12 can be auxiliary setup Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 5 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 6 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 de
162. nd connection ATL AT2 DI1 DI2 DIS DI4 DIS COM GND GND A01 CME COM DOI Terminal Symbol Terminal Name External 10V and the maximum output current is 10mA 10V GND Baer Supply It is generally used as the operating power supply for the external potentiometer The potentiometer resistance range is 1KO 5kQ is generally used as the operating power supply 24V COM El for digital input output terminals and the external power supply sans The maximum output current is 200mA iddns Jemoq External power Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 101 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Connect to 24V by default upon delivery power supply and disconnect from the 24V When external signal is used to drive DI1 power terminal DI5 OP needs to connect to the external 53 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 102 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 idal and Electric eden l MD320 MD320N User Manual Terminal Symbol Terminal Name Function Description Analog input 1 Input Voltage range DC OV to 10V terminal 1 2 Input resistance 100kO 1 Input range DC OV 10V 4mA 20mA Al1 GND 2 Input impedance It is 100kQ at the time of voltage input and 500Q at the time of current input 1 Optical coupling isolation compatible with DI2 COM D
163. nd pump loads of the designated rated parameters Control mode Factory default value 0 EN Speed sensorless vector control Setup Range Speed sensor vector control VC 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 VIF control It is applicable to the applications where the load requirements are rather low or one inverter drives multiple motors such as fan 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 182 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 group F
164. ng Check f the eos phase Check if the drive board is normal Replace the drive board Yes Check if the module is normal Replace the module Prr 14 Fig 8 12 Phase failure at output side ERR13 Yes l If the ambient temperature is too high Reduce the ambient emperature Yes ann If the air duct is blocked Clean the air duct WEM Q CN TT NV CN clc VOVN NNN NNg I Yes I l If the fan is broken P Replace the fan Ask for technical support 1 No l I l Yos m l I Replace the thermal resistor I I Pr Ne ee ee eee ee ee Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 329 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Yes I If the inverter module is broken Replace the inverter module Fig 8 13 Module overheating ERR14 168 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 330 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Err15 Fault Diagnosis and Solution Yes If itis stopped by pressing the STOP key i Resettot n in the non keyboard operation mode i No Yes Check and remove the external fault Yes us the unit with the key STOP Reset to run equipment fault ERR15 Check the host Checkthehostcomputer If the host computer is working bla eben Yes If the RS485 communication No ec e cable f
165. nsity 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 284 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 D320 M len 1 Jl n my Factory default value 2 00Hz ion Setup range 0 00 maximum frequency FA 08 Aaa Deviation limit Factory 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 Am pen Differential amplitude Factory default value Setuprange range 0 100 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 FO O7 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
166. nt 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 290 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Parameter Description MD320 MD320N User Manual Gu deis o pp Vhen the Mr on 0 0 0 03 and F0 04 are determined as M peed preo rong it needs to set FC 00 to FC 15 to determine its characteristics MN MS spbed 0 Factory default value 0 0Hz roo ET NT A A e onn Setup range Negative maximum frequency to maximum fr quenc AE 1 Factory default value 0 0Hz Geteste Ce eeneg 2 Factory default value 0 0Hz Dens ga AN n ee e even Setup range Negative maximum frequency to maximum frequenc MSsl eed 3 Factory default value 0 0Hz upane Qaqaman wai quen y fom AP qhany Setup range Negative maximum frequency to maximum fr quenc MS sped 4 Factory default value 0 0Hz rene EE EE Setup range Negative maximum frequency to maximum freguenc MS spbed 5 Factory default value 0 0Hz Setup range Negative maximum frequency to maximum fr quenc MS sped 6 Factory default value 0 0Hz Setup range Negative maximum frequency to maximum fr quenc MSspbed 7 Factory default value 0 0Hz adiit mE E Setup range Negative maximum
167. oad status signal on the monitoring device 14 Torque limiting 121 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 237 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Description When the main circuit and control circuit power supply are connected the inverter protection function is inactive and the When the running frequency reaches frequency upper limit it DDe aa ON outputs signal me 210 eI UU m en the running frequency reaches frequency lower limit i 18 lower limit 9 q y q y I outputs ON signal arrival Under voltage When the inverter is in under voltage status it outputs ON status output signal 20 ip Ga Refer to the communication protocol for relevant descriptions FMR output selection Pulse Factory default output terminal value A01 output selection Analog Factory default output terminal 1 value A02 output selection Analog Factory default output terminal 2 value The standard 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 238 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 122 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c
168. occur Stall protection current over Factory default 150 current value Select the protection point for function of stall over current When the value is Setup 100 200 exceeded the inverter starts executing range the protection function for stall over current Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 273 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 1 39 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 274 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 TI MD320 MD320N User Manjal Transient stop non stop Factory default Parameter Descripti 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 O Inactive 1 Active range 0 No action 1 Action Setup range range Fault auto reset 0 1s 100 0s m reduce the output speed and compensate feedback energy so as to ensure the inverter continues running within short period of time J the inverter selects fault auto reset it is used to set the times of auto reset If this value is exceeded the inverter will stop because of failure and wait for maintenance After the failure auto reset function is selected this parameter can be set to determine if it needs the action o
169. odification Minim LED display Set range default SES um unit description value FMR output selection 0 No output Control board RELAY1 output Control board selection relay T A T B sa output mE DO1 output selection F5 03 Parse card RELAY P A P B P C F5 04 DO1 output selection DO2 output selection Expansion card DO2 ez EEN FMR output selection selection of expansion card RELAY2 AO1 output selection E5 06 FMR output 0 Running frequency selection Setup frequency AO1 output AO2 output selection Output current F5 07 on selection Output torque Output power Output voltage Pulse input Expansion maximum F5 08 card AO2 output 13 Reserved 14 Reserved Website tww vi t trung conh vn D c 194 Nguy n Tr i V C ng TP B c Ninh 152 onn C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 15 Reserved 4 0 ste 16 To be confirmed 1 2 Ww 1 0 x 1 1 x 1 4 x 0 W 0 x 1 1 x lt F5 09 frequency of 0 1kHz 50 0kHz OkHz 50 0kHz x frequency FMP output AO1 offset F5 10 AO1 offset 100 096 100 096 0 196 0 096 x coefficient 19 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 153 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Ka j j o j Factor Minim y Name LED display Set range default e um unit Sins description Function Modification
170. oltage 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 25 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 26 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 case of such condition 1 2 12 Certain Special Use If the us
171. ommunication fault address 8001 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 388 C TY TNHH TU DONG HOA VIET TRUNG Fault function description 0000 0001 0002 198 Website ww No fault Password error Command 0003 0004 0005 0006 0007 CRC checksum error Invalid address Invalid address Parameter change invalid The system is locked 02413 281 181 0989 984 666 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD32UMDS2ONUserManud ll Appehdix Pee El Baud ebe Factory default value 5 300BPS 1 600BPS 2 1200BPS 3 2400BPS Setup range 4 4800BP 5 9600BPS 6 19200BPS 38400BPS 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 Data format Factory default value EE 4 EN No check Data format lt 8 N 2 gt Setup range 1 Even parity Check data format lt 8 E 1 gt Odd Parity Check data format lt 8 O 1 gt The host computer and inverter setup data format must be consistent otherwise communication is impossible Local Address Factory default value Setup range 1 247 0 is broadcast address When the local address is set to O that is broadcast address it can realize the broadcast function of hos
172. on 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 Forthe 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 00OMHZ at the output side of the inverter and wind it 2 to 3 cycles install EMC output filter in more severe conditions Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 308 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 protot
173. or cable connection is normal gt communications Yes No If the baud rate setting is correct Set the baud rate correctly Yes nhe communication paramet No Modify the communication FD 03 and FD 04 are set correctly parameters Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 331 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Yes Ask for technical support Fig 8 15 Communication fault ERR16 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 332 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Fault Diagnosis and Solution MD320 MD320N User Manual Contactor Fault No Replace the control board or power supply No Replace the contactor Fig 8 16 Contactor fault Err17 Check if the control board and power supply is normal Check f the contactor is normal Current detection fault Ask for technical support No Check if the hall device is normal w Replace the hall device Yes No Replace the drive board Fig 8 17 Current detection fault ERR18 Detect if the drive board is normal Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 333 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 170 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 334 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 9
174. p frequency 0 00Hz value Setuprange range Setuprange 0 00Hz 10 00Hz Start frequency Factory default T Os 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 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 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 244 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 FO 08 10 00Hz Digital setup freqeuncy is10 00Hz F6 03 5 00Hz Start frequency is 5 00Hz
175. p range EN 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 DO1 output selection collector open output Factory default value terminal Expansion card DO2 Factory default value output selection Caution RELAY 1 and RELAY2 refer to TA TB TC Expansion card RELAY 1 output selection P A P Factory default value Multifunctional output terminal function selection is as follows Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 234 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 FA III Pm nn value O 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 235 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 kika Te value Fault output When the inverter is faulty it outputs ON signal level detection Ple
176. pany 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 appearance 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
177. power on Function QUICK key Individualized function Multiple triangular wave frequency control function control Length control Reference length control function Timing control function Setting time range between Oh to 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 other can be used as voltage or current input It can expand one voltage input terminal Output terminal Website D c 194 Nguy n Tr i V Cu ng TP B c Ninh 40 D C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 frequency One digital output terminal can be expanded to two
178. put 2 J2 PG Card Interface Disitalinput 3 Ji Functional Expansion Card Interface Digitaminput 4 e La AO V Analog outpu High speed pluse input GND J OM TOV IO mA 20 mA o 0 _ FM f Open Collector 1 e heel gt 10V Frequency setup power supply b a Multifunctional Open Colector Output 10V 10mA gt DOA IM 24M ImA 50mA Tv cue Open Collector 2 T High speed piuse output ri i wao DC 0 10V 3 1 l 3 AN Analog input 1 E AG Analog input 2 KS DC 0 10V 4 20m l TIG GND ae Fault contact output T B r1 AGZ2ROV 10mA above 34 below i PE Connect to the housing TA J DCSOV OmA above 14 below e Fig 3 5 Schematic Diagram for Single phase linverter Connection Precautions are as follows 1 TerminalO refers to Main circuit terminal Terminal o refers to control circuit terminal 2 There is 0 4kW 2 2kW Build in brake unit optional 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 91 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 be
179. put filter time Factory default value 0 10s Setup range 0 00s 10 00s AI3 minimum input Factory default value 0 00V F4 23 Setup range 0 00V 10 00V Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 230 Website C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Al3 minimum input Factory default value 0 0 F4 24 corresponding setup Setup range 100 00 100 0 M AI3 maximum input Factory default value 10 00V Setup range 0 00V 10 00V 118 X w viet trune com vn L 231 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 t iption i Factory default value 100 0 corresponding setup Setup range 100 00 100 0 Al3 input filter time Factory default value 0 10s Setup range 0 00s 10 00s F4 27 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 it needs to configure additional multifunctional input and output expansion card PULSE pulse input Factory default value 0 00kHz minimum E Setuprange range 0 00kHz 50 00kHz PULSE pulse input minimum frequency Factory default value correspondin g setup PULSE pulse input Factory default value 50 00kHz maximum frequency Setup range 0 00kHz 50 00kHz PULSE pulse input maximum frequency Factory default value correspondin g setup PULSE pu
180. put 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 Several setting examples are shown in the following figures Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 228 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Ek Website www viet trung com vn D c 194 Nguy n Tr i V Cudng TP Bac Ninh 229 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Parameter Description MD320 MD320N User Manual Corresponding Settings Frequency Torque etc 100 0 0 0 OV OmA Corresponding Settings Frequency Torque etc 100 0 OmA 20mA 00 0 ese Fen Fig 6 9 Corresponding Relationship between Analog Reference and Setting AI2 minimum input Factory default value 0 00V Setup range 0 00V 10 00V AI2 minimum input Factory default value 0 0 corresponding setup Setup range range Setup range 100 00 100 0 AI2 maximum input Factory default value 10 00V Setup range 0 00V 10 00V Al2 maximum input Factory default value 100 0 D setup Setup range range 100 00 100 0 E455 AI2 in
181. r 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 cover 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 y viet trung com D c 194 Nguy n Tr i V C ng TP B c Ninh 21 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 e f 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
182. rameter copy keyboard to the inverter Down download parameter It is to download the parameters in the inverter to the parameter copy keyboard 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 368 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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
183. rameters on the keyboard Am em PID keyboard reference Factory default value 50 096 Setup range range 0 0 to 100 0 When FA 00 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 0 Alt Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 281 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Al2 AI3 AN to AI2 PULSE DI5 Communication setup FA 02 Setup range OI c N a 143 Website pw viet trung comvn f c 194 Nguy n Tr i V Cu ng TP B c Ninh 282 po C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Pa mn L MD320 NDB20N User Manu T is parameter is used to sie reference Channel PID action direction Factory default value 0 FA 03 0 Positive action Setup range 1 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 Di PID reference feedback range Factory default value A000 PID reference feedback rang
184. rocess or install brake resistor No s Prolong th leration ti If the deceleration time is too sho d ang n yon me No No If JL install the brake resistor Ask for technical support 19 8 6 Deceleration over voltage ERROG Constant over voltage a n If Fam the Yes Remove the external forces motor to run during the running process or install brake resistor No Ask for technical support Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 323 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Fig 8 7 Constant speed over voltage ERRO7 165 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 324 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Fault Diagnosis and Solution MD320 MD320N User Manual Control power supply If th input voltage is within the range No Adjust the voltage to the range as as specified by the specifications specified by the specifications Ask for technical support Flgrg 9 ontrdl power supply fault ERR08 Yes If there is transient power failure Reset the fault No Detect if the voltage at the input end of No Adjust the voltage to normal range AR Replace the broken rectifier bridge or buffer resistor the inverter is within the range as Check if the rectifier bridge and esistor a No Website www viet
185. rque boost is enabled If it exceeds this setup frequency the torque boost is inactive Refer to Fig 6 3 for details Output Voltage Output f1 fb Frequency V1 Manual Torque Boost Voltage V b Maximum Output Voltage f 1 Cutoff Frequency of Torque Boost f b Rated Running Frequency Fig 6 3 Schematic Diagram for Manual Torque Boost Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 210 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 108 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 211 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 VIF frequency F1 Factory default value 0 00Hz range 0 00Hz rated pes 77 71 d Me voltage V1 Factory default value 0 0 OU ponpe Setup range 0 0 100 0 wi real frequency F2 Factory default value 0 00Hz Setuprange V1 rated motot frequency VIF voltage V2 Factory default value 0 0 Setup range F1 100 0 VIF frequency F3 Factory default value 0 00Hz Setup range V2 rated motor frequency VIF voltage V3 Factory default value 0 0 Setup range F2 100 0 F3 08 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 V2 V3 and F1 F2 F3 In case of low frequency higher setup voltage may cause over heat and even burning of the motor and stall over c
186. rrent input of 4mA 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 5OkHz 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 186 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 96 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 187 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666
187. rve Acceleration Deceleration Factory default Stop mode value Speed down to stop setup range SPeeddowntostop 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 After the stop command is enabled the inverter will terminate the output immediately The load 1 Free stop will coast to stop acdording to the mechanic to the mechanidal inertia DC brake beginning Factory default 0 00Hz ip voy at stop value mm DC brake waiting time Factory default 2c MCN stop value LL DC brake current at Factory default 0 stop Website www viet Yiet rune c i V et py C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Setup range 0 100 Factory default DC brake time at stop 0 8s F6 14 value Setup range 0 0s 36 0s 127 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 249 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 upon this delay It is us
188. s 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 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 conducti
189. s 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 O N 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 KE Xe 4 1 9 Forward Rotation o 1 Reverse Rotation Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 224 FWD Digtal input terminal C TY TNHH TU DONG HOA VIET TRUN 181 0989 984 666 REV Dig al input serminal Ou COM Digital 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 225 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Parameter Description MD320 MD320N User Manual Stop FAD Digtal input terminal
190. ssing the stall over voltage The bigger the value is the stronger the suppressing capacity is Setup For the load with small inertia the value range 0 to 100 no should be small Otherwise the dynamic stall over 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 Stall protection voltage over Factory default 130 voltage value Select the protection point for function Setup of stall over voltage When the range 120 to 150 value is exceeded the inverter starts executing the protection function for Website er EE D c B c 194 Nguy n Tr i V C ng TP B c Ninh 271 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 stall over voltage 138 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 272 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 20 MD320N Use fs AM ion Factory default MD 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 Otherwise the suppressing result will be poor and over voltage fault may
191. ssword 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 depenas 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 motor power F1 02 Rated motor voltage F1 03 Rated motor current F 1 04 Rated motor frequency F 1 05 Rated rotation speed of motor If the motor is completely disconnected from the loa
192. st 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 f rama Stant 3 5 character time Slave addr Communication addr 1 to 247 Command Code 03 Read slave parameters 06 Write slave parameters _ C W EE S Website wwjy viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 372 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 DATA N 2 Data Function code paameter address the number of function ka code parameter Function code parameter etc 190 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 373 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Detection Value CAC value CRC CHK Low order END 3 5 character time Command code 03H reads N words There are 12 characters can b
193. st 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 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 92 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Mechanical and Electric Installation Schematic Diagram for Three phase Inverter Connection Brake 3esister R 6 n 6 5 PB Three phasa 380V dio di ai TU oS Digital Input 1 af GN Extemal Keyboard Interface a n l Digital Input 2 E n J2 PG Card Interface Digital Input 3 zv Ji Funetional Expansion Card Interface Digital Input 4 arr ats tot i nalog output High speed pluse Yet P g oup mi j V 107 0mA 20m dei Vis Collector 1 E pou 410V Frequency setup power al y d a Multifunctional Open Collector Output d 10V 10mA DO QUAM S m Open Collector 2 A Analag input 1 L CME Si ar T mo Al2 Analog input a T High speed pluse output I gt GND Fault contact ot I E AC250V Dm above A belcw ST ge TIC la PEiConned to the F ousing DC30V Oni abeve 14 be ow 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 c
194. t computer Response delay Factory default value 10ms Setup range 0 20ms Response delay It refers to the interval time from the inverter finishes receiving data to sending I Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 390 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 If 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 ED Communicaton timeout Factory default value 0 0 s Setup range 0 0 s inactive 0 1 60 0s 199 x FTO D c 194 Nguy n Tr i V Cu ng TP B c Ninh 391 Website www viet trung C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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
195. te www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 260 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 a Lee n iption Factory default up time 4 20 00s F8 07 value MD3 enn 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 FO 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 Setuprange range 0 00Hz maximum frequency Factory default Skip frequency 2 0 00Hz value Setup range range 0 00Hz maximum frequency Skip frequenc Factory default S 0 00Hz a 1 value Setuprange range 0 00 maximum frequency When the setup frequency is within the skip frequency range the actual running frequency will be in the skip frequency boundary close to the setup frequency lt 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
196. ted parameter contents can be modified Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 252 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 129 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 253 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 reserved DI input State DO output State All voltage V AI2 voltage V Current mA AI3 voltage V Numerical value input parameter Meaning of higher 8 digits PANAMAN Length input Loading speed PID setting PID feedback PLC steps tested by pulse input Linear speed reserved reserved set the corresponding positions to 1 and change the binary numbers into decimal numbers and set them in F7 01 Factory default value Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 254 e po output State All voltage V AI2 voltage V Current mA AI3 voltage Numerical value input M i f Higher Eight Digit C TY TNHH TU DONG HO E99 9 ane men men 989 984 666 is pra pis ps o Tro a Length input PLC step Reserved Reserved param displayed during the Stop set the corresponding positions to 1 eters and change the binary numbers into decimal f iBers and set If the need them in F7 05 above to be 130 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 255 C TY TNHH TU DONG H
197. ter 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 inverter 3 Tighten with screws Appendix C Fig 1 IO Installation Mode Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 356 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 182 Website www viet trung com vn D c 194 Nguy n Trai V6 C ng TP B c Ninh 357 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual z Appendix Locatingi hole Expansion card interface 3Omm JK4 0 4 20mA 0 10V Appendix C Fig 3 Jumper Terminal C 2 2 Description of Control Terminal Function Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 358 C TY TNHH TU
198. ter has short time output at the instance of power on Running time to action Factory default selection value 0 Continue running Setup range 1 Stop Group F9 Fault and Protection Motor overload protection Factory default value selection 0 The inverter has no overload protection for the motor and thermal relay is installed Setup range before the motor 0 Inactive 1 Active 1 The inverter has overload protection function for the motor Refer to F9 01 for the protection value Motor overload Factory default value 1 00 protection gain The motor overload protection is inverter Setup range time lag curve 220 x F9 01 x rated motor 0 20 10 00 current one minute 150 x F9 01 x rated motor current 60 minutes Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 269 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 l i Website www viet trung com vn D c 194 Nguy n Tr i V Cudng TP Bac Ninh 270 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Motor overload pre warning Factory default 80 coefficiemt value The reference for this value is the motor overload current When the inverter detects that the output current reaches time as specified by the reverse time lag curve it outputs pre warning signal from DO or relay f Factory default Stall gain over voltage value It adjusts the inverter s capacity in suppre
199. ter recommended to measure the Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 66 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Trai V6 C ng TP B c Ninh 67 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Judging criteria Whether there is liquid leakage
200. th the inverter is too long Insert all the connecting Ask for technical r ri support The main control board is fault The drive board replacing the drive board is faulty If it works normally after Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 313 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 replacing the inverter Yes The inverter is damaged Fig 8 1 Inverter unit protection ERRO1 160 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 314 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Fault Diagnosis and Solution l Yer Perform troubleshooting Acceleration over current Check if the output loop of the inverter is earthed or short circuited V F Mode Yes gt Select start upon rotational velocity follow up or start If the rotating motor is started upon motor shutdown No If load is added suddenly Yes during the acceleration Remove the additional load No The inverter model is rather small Fig 8 2 Acceleration over current ERRO2 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 315 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 161 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 316 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666
201. tion 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 communication 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 lea
202. to 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 repeats 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 value data value for i 0 i lt 8 i if crc_value amp 0x0001 crc value crc value 1 Oxa0o01 else Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 378 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 crc value crc value 1 193 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 379 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 par
203. to the resistor power D refers to braking ebe Which is the ai deas in the Ale of the entire Recommended Inverter eed Resistance Built in optional 2900 MI Built in as stesse 2320 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 72 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 cation The letter B is attached behind the Inverter model No speci al specifi 38 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 73 Inverter Model MD320T18 5 MD320T22 MD320T30 MD320T37 MD320T45 MD320T55 MD320T75 MD320T90 MD320T110 MD320T132 MD320T160 MD320T200 MD320T220 MD320T250 MD320T280 MD320T315 MD320T355 MD320T400 MD320 MD320N User Manual Recommended Power of Brake Resistor 1300W 1500W 2500W 3 7 kW 4 5 kW 5 5 kW 7 5 kW 4 5 kWx2 5 5 kWx2 6 5 kWx2 16kW 20 kW 22 kW 12 5 kWx2 14kWx2 16kWx2 17kWx2 14 kWx3 Website www viet trung com vn C TY TNHH TU DONG HOA VIET TRUNG Recommended Resistance Value of Brake Resistor 2250 2220 2160 216 00 2160 280x2 280x2 280x2 22 50 22 50 22 90 22 50x2 22 50x2 22 50x2 22 50x2 22 50x3 02413 281 181 0989 984 666 Product Information Braking Unit Remarks Built in The letter B is A attached behind Kaa the Inverter model Externally MD320T450 15kWx3 gt 2 5Ox3
204. tor 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 Danger e Mount the inverter on incombustible surface like metal and keep away from flammable substances Otherwise it may cause fire Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 17 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 A e Do not loose the set screw of the equitment especially the screws marked in RED Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 18 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Safety and Precautions 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 wil
205. 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 for maintenance 6 If there is any problem during the service please contact the agent of our company or our company directly T 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 394 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 wc Inovance Product Warranty Card Add of unit Name of unit Contact person Customer f information m Product model Product information Name of agent Attach here Maintenance time and content Failure information Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 395 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Maintenance personnel Website www viet trun
206. ty at the target quality It is applicable to such process controls as flow control pressure control and temperature control The basic principle Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 279 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 framework of control is shown as follows 142 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 280 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Parameter Description arget Deviation Quantity Limit Feedback Quantity Fig 6 15 Process PID Principle Framework PID PlDreferencesourcee PiDreference source Factory default value ae Lo reo 6 ti EN PULSE DI5 EJ Communication setup When the frequency source selects PID i e FO O3 or F0 04 8 this group of function is enabled Please refer to FO O3 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 pa
207. up range 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 identification comes from the correct setting of the rated motor parameters D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 198 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 199 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 D320 MD320 mm Parameter Descriptio stance Factory default value Model dependent NN Setup range 0 0010 85 5350 resistance Factory default value model dependent F1 07 w p ranqe 0 0010 6 Leakage inductive Factory default value model dependent reactance etup range 0 01mH 655 35mH Factory default value model dependent Setup range 0 1mH 6553 5mH No load current Factory default value model dependent Setup range 0 01A 650 00A F1 10 When the automatic tuning of the motor is normally completed the setup values of F1 06 to F1 10 will b
208. urrent or current protection of the inverter FI F2 F3 Fb Frequency Hz V1 V3 Segments 1 to 3 Voltage Proportion of MS V F F 1 F 3 Segments 1 to 3 Frequency Point of MS V F Fb Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 212 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Rated Motor Frequency F1 04 Fig 6 4 Schematic Diagram for V F Curve Setup Slip compensation coefficient Factory default value 109 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 213 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 cont nd reduce the change of rotation speed of the motor following OFFeESPONA O e MOLOT W duca IO pon Factory default value 2 F3 10 0 Inactive Setup range 1 Enabled 2 Inactive only 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 DEI Setup range 0 100 Select 0 for this gain when the motor has no oscillation Only when the motor has obvious
209. utside 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 Website www viet trung com vn D c 194 Nguy n Trai V6 C ng TP B c Ninh 81 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Down cover plate Hook Align with Internal Side and Press with Forces Fig 3 2 Removing the Lower Cover Plate of Plastic Enclosure 43 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 82 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Mechanical and Electric Installation MD320 MD320N User Manual Hook Front Housing 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 e 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 Website w
210. uy n Trai V6 C ng TP B c Ninh 57 C TY TNHH TU DONG HOA VIET TRUNG MD320 MD320N User Manual 2 5 3 Physical Dimensions of External Keyboard 76 00 54 104 116 00 LG J 3 50 typ2 02413 281 181 0989 984 666 Product Information 27 00 15 00 n grr Housing Ee Fig 2 9 Schematic Diagram for Physical Dimensions of External Keyboard Mounting Hole Dimensions of External Keyboard m 73 50 e 2 2 7 4 00 typ2 ge 99 30 95 00 T 9 75 Fig 2 10 Schematic Diagram for Mounting Hole Dimensions of External Keyboard Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 58 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 eal Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 59 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Adaptable Inverter Model MD320T75G 90P 355G 400P 400 90 0P 110 145 132P Connection MILL DOP VD320 1 200P 200
211. value action m 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 263 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 frequency lower limit 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 F8 15 value Setup range 0 00Hz 10 00Hz 134 264 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 1 value Setup range KB 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 wi
212. verter running control startup and stop Refer to Fig 4 1 for the physical appearance and functional zone of the operation panel Lo ee NA o MER Q Function indicator LOCAL REMOT FWD REV TUNE TC Digital display O a rs z Me ann n iveskwaoak yen ni t i nd icator Program key Enter data confirm key Quick key Shift key Stop key Run key Recet key Digital modification key Multifunetion 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 indicates the torque control status when it is OFF it indicates the speed control status Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 114 C TY TNHH TU DONG HOA VI T TRUNG 024
213. w viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 132 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Function Parameter Table MD320 MD320N User Manual Factory Function Minim Modification Name LED display Set range default code um unit description value Auxilia 2 0 Relative to maximum Bibi ka Y range frequenc F0 05 source 3 1 si 1 0 x selection 1 Relative to frequency source Y range X selection Auxiliary Auxiliary F0 06 Frequenc upper limit y source F0 14 Y Frequency upper limit Frequencyupper limit offset Frequency lower limit Carrier F0 07 Frequenc y source selection F0 08 Preset frequenc F0 09 y Runnin F0 10 g directio n Maximu F0 11 ti frequenc y FO 12 Frequency source FO 13 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 133 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 kaa kou CV HEINE auxiliary frequency source Y 4 Switching between main frequency source Y and main frequency source X plus requency source X and Frequency lower limit frequency auxiliary frequency source Y source X 3 Switching between main frequency source X and main Carrier auxiliary frequency source Y 0 00Hz maximum frequency 50 00Hz F0 10 0 Direction is consistent 0 1 Direction is reverse 50 00Hz 300 00Hz 50Hz 0 F0 12 setup 1 AI 2 AI2 3 AI3 4 PULSE setup 5
214. ww viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 83 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 Fig 3 4 Removing the Lower Cover Plate of Sheet Metal Enclosure 44 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 84 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Mechanical and Electric Installation 3 2 Electrical Installation ko a Recomm Recomme nded ordu DITHU conducti eem pum c 194 Nguy n Tr i V C ng TP B c Ninh 85 Website C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320T30G 37P 125 100 16 10 1 9 MD320T37G 45P 160 100 16 16 1 5 MD320T45G 55P 200 125 29 25 1 5 MD320T55G 75P 200 125 35 25 1 5 45 Website www viet trung com vn D c 194 Nguy n Tr i V Cu ng TP B c Ninh 86 C TY TNHH TU DONG HOA VIET TRUNG 02413 281 181 0989 984 666 Mechanical and Electro Installation MD320 MD320N User Manual Gel Recomme nded Circuit 3 OU OU Breaker ended Win P Inverter Model KC Contacte Wire ar Min Wire s t ire O 800 800 0 4 0 4 MD320T400G 450P 1000 1000 150 4 150 4 1 5 MD320 7T Refer to parameters of rated current of 380V system alike Caution The electrical installation of MD320N series is the same as MD320 series Table 3 2 Instruction for the Use of External Electrical Parts of MD320 Mounting Location Function Description C
215. y n Tr i V C ng TP B c Ninh 118 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 Website www viet trung com vn D c 194 Nguy n Tr i V C ng TP B c Ninh 119 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 MD320 MD320N User Manual Operation and Display FO O1 Controm mode FO O2 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 A01 output selection F6 00 Startup mode F6 10 Stop mode The user can edit the shortcut menu in accordance with the actual needs 1 Add shortcut parameter item Flash Display Stop Flashing Stop Display PRG QULCK ENTER 50 00 FO nays FO 16 ke F016 FO 16
216. yping 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 15 Website www viet trung com vn D c 194 Nguy n Trai V6 Cu ng TP B c Ninh 309 C TY TNHH TU DONG HOA VI T TRUNG 02413 281 181 0989 984 666 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 However 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

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