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Megmeet MV600J6B User Manual

Electro-hydraulic servo drive
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MV600J6B Electro-hydraulic Servo Drive

User Manual
Document Version:
Archive Date:
BOM Code:
Shenzhen Megmeet Electrical Co., Ltd. provides professional technical support for our
customers. You can contact the local branch office or customer service center, or directly
contact the company headquarters.
Shenzhen Megmeet Electrical Co., Ltd.
All rights reserved. The contents in this document are subject to change without notice.
Shenzhen Megmeet Electrical Co., Ltd.
Address: 5th Floor, Block B, Unisplendor Information Harbor, Langshan Road, Nanshan
District, Shenzhen, 518057, China
Zip code: 518057
Website:
https://www.megmeet.com
Tel: +86-755-86600500
Fax: +86-755-86600562
Service email: driveservice@megmeet.com
V0.1
2024/08/19
R33011206
1

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Summary of Contents for Megmeet MV600J6B

  • Page 1: Mv600J6B Electro-Hydraulic Servo Drive

    Archive Date: 2024/08/19 BOM Code: R33011206 Shenzhen Megmeet Electrical Co., Ltd. provides professional technical support for our customers. You can contact the local branch office or customer service center, or directly contact the company headquarters. Shenzhen Megmeet Electrical Co., Ltd.
  • Page 2 The relevant precautions during the installation, wiring, parameter setting, troubleshooting and daily maintenance will be detailed in this manual. To ensure the correct installation and operation of the MV600J6B servo drive as well as its high performance, please read carefully this user manual before installing the equipment.
  • Page 3 Operation without following instructions can cause death or severe personal injury. Operation without following instructions can cause medium or slight personal injury or damage to the product and other equipment.  Please install the product on the incombustible materials (e.g., metal), otherwise, fire may be caused. ...
  • Page 4  Do not install and operate the drive if it is damaged or its components are not complete, otherwise, fire and human injury may be caused.  Do not install the product in the place exposed to direct sunlight, otherwise, property damage may be caused.
  • Page 5 Version change Date Version Change 2024-08 V0.1 The first edition...

  • Page 6: Table Of Contents

    Contents MV600J6B Electro-hydraulic Servo Drive ......................1 Contents ...................................6 Chapter 1 Introduction of MV600J6B Servo Drive ....................8 1.1 Product model ............................8 1.2 Product nameplate .............................8 1.3 Product series ............................8 1.4 Technical specifications of product ......................9 1.5 Drive structure ............................11 1.6 Outline, mounting dimensions and gross weight of drive ..............
  • Page 7 A.3 Braking resistor configuration ....................... 107 A.4 Servo motor selection ........................... 107 Appendix B The Use of Megdrive Studio in MV600J6B ..................111 B.1 Software Megdrive Studio installation and startup ................111 B.2 Servo parameter setting and software interface setting ..............112 B.3 Function description of MV600J6B in Megdrive Studio ...............113...

  • Page 8: Chapter 1 Introduction Of Mv600J6B Servo Drive

    Chapter 1 Introduction of MV600J6B Servo Drive 1.1 Product model The description of the drive model on the nameplate indicates the information of the product, such as product series, voltage class of power supply, power class, the software/hardware code of customized product, etc.

  • Page 9: Technical Specifications Of Product

    Rated capacity Enclosure Rated input Rated output Rated output Product model model (kVA) current (A) current (A) power (kW) MV600J6B-4T45 60.0 92.0 90.0 MV600J6B-4T55 72.0 113.0 110.0 MV600J6B-4T75 100.0 157.0 152.0 MV600J6B-4T90 116.0 180.0 176.0 MV600J6B-4T110 138.0 214.0 210.0 MV600J6B-4T132 167.0...
  • Page 10 1 group of normally open and normally closed contacts; the overvoltage level of the TA/TB/TC output type input voltage of the relay output terminal is overvoltage level II, please refer to 3.2.2 control board parameters and characteristics for details Provide +13V and +24V reference power for external load, the maximum allowable Output output current is 10mA CAN communication...

  • Page 11: Drive Structure

    The dimensions of the drive are shown in the figure below. Fig. 1-2 and Fig. 1-3 represent the front view, left view and top view of the enclosure appearance of different models of M600J6B, and are marked with dimensions. 1. R3~R4 is plastic enclosure (MV600J6B-4T5.5~MV600J6B-4T30) Fig.1-2 Outline, mounting dimensions for MV600J6B-4T5.5~MV600J6B-4T30...
  • Page 12 2. R5~R7P is sheet metal enclosure (panel is detachable, MV600J6B-4T30~MV600J6B-4T160) Fig.1-3 Outline, mounting dimensions for MV600J6B-4T30~MV600J6B-4T160 Note  The number and location of cooling fans vary by type of equipment: For R3 model, there is a cooling fan on top of the device;...

  • Page 13: Outline And Mounting Dimensions Of Operation Panel

    Table 1-3 Outline, mounting dimensions and gross weight Diameter of Gross Enclosure A (mm) B (mm) H (mm) W (mm) D (mm) Drive model mounting weight model aperture (mm) (kg) MV600J6B-4T5.5 MV600J6B-4T7.5 MV600J6B-4T11 MV600J6B-4T15 MV600J6B-4T18.5 MV600J6B-4T22 314.5 MV600J6B-4T30 MV600J6B-4T37 437.5 551.5 284.5 MV600J6B-4T45 MV600J6B-4T55 MV600J6B-4T75...

  • Page 14: Outline And Mounting Dimensions Of Operation Panel Box

    1.8 Outline and mounting dimensions of operation panel box Fig.1-5 Outline and mounting dimensions of operation panel box...

  • Page 15: Chapter 2 Drive Installation

    Chapter 2 Drive Installation 2.1 Installation environment When selecting the installation environment, the following issues should be taken into account:  The ambient temperature should be within -10℃~40℃. If the temperature exceeds 40℃, external forced cooling or derating is required. ...

  • Page 16: Removal And Installation Of Drive Components

    equipment to rise and cause faults, the partition plate should be installed between them, so as to avoid the influence of the heat dissipation from the bottom drive on the top one, as shown in Fig.2-2. Fig.2-2 Installation of multiple drives 2.3 Removal and installation of drive components 1.
  • Page 17 2.3.1 Removal and installation of operation panel Removal: Insert your finger into the square hole above the operation panel, press the clip in direction C and then separate the upper section of the operation panel with the upper cover in direction D, then separate the connector with the operation panel.

  • Page 18: Chapter 3 Wring Of Drive

    Chapter 3 Wring of Drive This chapter introduces the wiring and cable connection of drive, as well as the issues needing attention.  Do not open the cover until the power supply of the drive is completely disconnected for at least 10 minutes.
  • Page 19 Reserved for external braking resistor P/ B1, B2 DC negative bus output terminals Three-phase AC output terminals U/T1, V/T2, W/T3 Terminal type 2 Applicable models: MV600J6B-4T37~ MV600J6B-4T45 Terminal Function Three-phase AC 380V input terminals R/L1, S/L2,T/L3 Reserved for external braking resistor...
  • Page 20 P/ B1, B2 DC negative bus output terminals Three-phase AC output terminals U/T1, V/T2, W/T3 Terminal type 5 Applicable models: MV600J6B-4T110~MV600J6B-4T160 Terminal Function Three-phase AC 380V input terminals R/L1, S/L2, T/L3 Reserved for external DC reactor, connected with copper bus...

  • Page 21: Wiring And Configuration Of Control Circuit

    3.1.2 Wiring for basic operation Fig.3-1 Wiring diagram for main circuit and control circuit terminals...
  • Page 22 3.2.1 Control circuit terminal distribution Fig.3-2 Control circuit terminal distribution 3.2.2 Control board parameters and characteristics Fig.3-3 Control circuit terminal distribution...
  • Page 23 Table 3-1 Control circuit terminal function table Terminal Type Terminal Name Function Specification mark To provide +13V +13V power Allowable maximum output current: REF+13 reference power for supply 10mA external load Power supply The reference ground +13 V power for analog signal, +13V Internal isolated with COM and +10V/-10V power To receive the...
  • Page 24 Terminal Type Terminal Name Function Specification mark Positive end of 485 differential signal RS485+ (reference grounding: Standard RS485 communication RS485 GND) interface. communication Please use twisted pair wire or Negative end of 485 interface shielded wire. differential signal RS485- (reference grounding: GND) Whether connect CAN1H...
  • Page 25 Terminal Type Terminal Name Function Specification mark terminal, which is selected by the function code P09.18. (common terminal: COM) It can be set as the digital output terminal with multiple functions Open collector and also can be reused output terminal as DO pulse output DO2 pulse terminal, which is...
  • Page 26 3.2.3 Encoder terminal Terminal Type Pin number Function Terminal distribution number definition Resolver excitation Z/EXC+ negative Resolver excitation Z/EXC- positive PTC- Thermistor negative Resolver feedback SIN B/SIN+ positive Resolver terminal Resolver Feedback SIN B/SIN- negative Resolver feedback COS A/COS+ positive Resolver feedback COS A/COS- negative...

  • Page 27: Chapter 4 Quick Operation Guide For Drive

    Chapter 4 Quick Operation Guide for Drive 4.1 Drive operation panel 4.1.1 Introduction to drive operation panel Through the operation panel, the function code setting and modification, working status monitoring and operation control of the servo drive can be realized. The appearance of the operation panel and the names of the operation keys are shown in the following figure: Fig.
  • Page 28 On: Current parameter displayed represents Voltage LED Green the voltage On: Current parameter displayed represents Line speed LED Green the line speed On: Current parameter displayed represents r/min Rotating speed LED Green the rotating speed On: In the stop status, it means the drive has forward running command Forward running LED In the running status, it means the drive is...

  • Page 29: Function Code Viewing And Modification Method

    Name Function Decrease key To decrease the data or function code ∨ To select the bit for change in the data in editing state, or switch the Shift key display of status parameters in other state Multi-functional key Please refer to Table 4-4 for the useage of the Multi-functional key When pressing this key in the operation panel mode, the drive will Run key start to run...
  • Page 30 The above operation steps are shown in Fig. 4-3. Fig. 4-3 Operation example of restoring leave-factory values 4.2.2 Setting the set frequency For example, set P02.05=25Hz, change the setting of function code P02.05 from 50Hz to 25.00Hz. 1. In the stop parameter display status, press MENU/ESC key to enter the first level menu P00.00; 2.

  • Page 31: Quick Start

    Fig. 4-5 Operation example for switching status parameter display 4.3 Quick start 4.3.1 Inspection before power-up Conduct wiring connection according to the technical requirements specified in chapter 3 Wring of Servo Drive. 4.3.2 Initial power-up operation When the drive passes the wiring and power supply inspection, turn on the circuit breaker of the AC power supply at the drive input side to apply power to the drive.

  • Page 32: Chapter 5 Parameter List

    Chapter 5 Parameter List Explanation to the terms in the function code parameter table Table field Explanation Function code Representing the number of the function code, for example, P00.00 number Function code LED function code name name LCD function LCD function code name code name Set range The minimum and maximum values of the function code allowed to set...
  • Page 33 Other: Password protection Reserved Reserved P00.02 0: All the data can be changed; 1: Only the main set frequency Parameter Parameter (digital setting P02.05) and this protection protection P00.03 √ √ ○ function code can be changed setting setting 2: Only this function code can be changed Unit place: Pressure expert mode 0: P25.08~P25.18 function codes...
  • Page 34 channel 2: Reserved 3: Serial port communication reference 4: AI analog reference 5~6: Reserved 7: Process closed loop PID 8: Multi-speed 9: Bus reference Main Main reference reference set P01.01 -3000.00~3000.00Hz 0.01Hz 0.00 × √ set frequency frequency Auxiliary Auxiliary reference set reference set P01.02...
  • Page 35 Bit5: Running at constant speed Bit6: Bus undervoltage Bit7: Tuning Bit9: DC over-voltage limiting Bit12: Drive in fault Bit13: Speed control State of digital DI terminal 0~FFH, 0: off; 1: on P01.18 × √ input terminal state State of digital DO terminal 0~FH, 0: open;...
  • Page 36 0: Reserved 1: Synchronous motor P02.01 Reserved Reserved 0: Keyboard control Running Command command 1: Terminal control channel P02.02 √ √ ○ channel 2: Communication control selection selection 3: CAN bus control Running Running 0: Forward running; direction direction P02.03 √...
  • Page 37 frequency model Rated Dependin Motor rated P03.04 rotating 0~60000rpm 1rpm g on √ √ × rotating speed speed model 0.001~1.000 Dependin Motor power It shall be used when calculating P03.05 Power factor 0.001 g on √ √ × factor the motor parameters with the model nameplates Dependin...
  • Page 38 Encoder Encoder pulses P04.05 pulses per 1~10000 1024 × √ ○ per revolution revolution Encoder Encoder 0: A before B P04.06 rotation rotation × √ × 1: B before A direction direction P04.07~ Reserved Reserved P04.09 Unit place:Encoder high-speed Encoder signal Encoder filter: 0~9 P04.10...
  • Page 39 frequency 0：Disable Differential gain Differential P05.11 × √ × enabling gain enabling 1：Enable Speed loop P05.12 differential 0.00~10.00 0.01 0.00 × √ ○ differential gain gain P05.13 Reserved Reserved P05.14 Electric torque Torque limit P05.15 0.0%~+300.0% 0.1% 170.0% × √ ○...
  • Page 40 selection 1 90: Multi-stage internal pressure selection 2 91: Multi-stage internal pressure selection 3 92: Multi-stage internal pressure selection 4 P09.05 Reserved Reserved P09.09 Terminal Terminal P09.10 0~500ms × √ ○ filtering time filtering time P09.11~ Reserved Reserved P09.14 Binary setting: 0: Normal logical, enabled upon connection 1: Inverted logical, enabled upon...
  • Page 41 Relay R1 R1 output 0.1~10.0s P09.23 0.1s × √ ○ output delay delay Frequency P09.24 arrival 0.00~3000.00Hz 0.01Hz 2.50Hz × √ ○ detection detection width width FDT 1 level FDT 1 level P09.25 P09.24~P02.16 0.01Hz 50.00Hz × √ ○ upper limit upper limit FDT 1 level FDT 1 level...
  • Page 42 curve selection (the same as above) Note: The thousands place of LED is 0, P10.12~P10.29, P10.34~P10.65 function codes are not displayed; the thousands place of LED is 3, the above function codes are displayed; the thousands place of LED is 4, AI4 curve is selected Maximum Maximum...
  • Page 43 reference Inflection point Inflection 7 of the flow point 7 of the P10.16 P10.18~ P10.14 0.1% 70.0% √ √ ○ curve flow curve reference reference Actual value Actual value corresponds to corresponds the inflection to the P10.17 The same as P10.07 0.1% 70.0% √...
  • Page 44 Inflection point Inflection 2 of the flow point 2 of the P10.26 P10.28~ P10.24 0.1% 20.0% √ √ ○ curve flow curve reference reference Actual value Actual value corresponds to corresponds the inflection to the P10.27 The same as P10.07 0.1% 20.0% √...
  • Page 45 corresponds to corresponds the inflection to the point 15 of the inflection pressure curve point 15 reference Inflection point Inflection 14 of the point 14 of P10.38 P10.40~P10.36 0.1% 80.0% × √ ○ pressure curve the curve 1 reference reference Actual value Actual value corresponds to...
  • Page 46 the inflection to the point 10 of the inflection pressure curve point 10 reference Inflection point Inflection 9 of the point 9 of the P10.48 P10.50~P10.46 0.1% 51.4% × √ ○ pressure curve curve 1 reference reference Actual value Actual value corresponds to corresponds the inflection...
  • Page 47 point 5 of the inflection pressure curve point 5 reference Inflection point Inflection 4 of the point 4 of the P10.58 P10.60~P10.56 0.1% 22.8% × √ ○ pressure curve curve 1 reference reference Actual value Actual value corresponds to corresponds the inflection to the P10.59...
  • Page 48 Reserved P10.68 Reserved 0: Running frequency (0 to maximum frequency) 1: Frequency reference (0 to maximum frequency) 3: Motor speed (0 to maximum speed) 4: Reserved 5: Output current (0 to 2*I 6: Output torque (0 to 3*T 7: Output torque current (0 to AO1 function AO1 function P10.69...
  • Page 49 0: Two-phase/ three-phase switching 1: Three-phase modulation Thousands place: Low frequency carrier limit 0: Disable 1: Enable Reserved Reserved P12.04 Current loop Current loop proportional proportional P12.05 1~5000 × √ ○ gain gain Current loop Current loop P12.06 0.5~100.0ms × √...
  • Page 50 Unit place: Temperature detection device types 0: PTC Motor Motor 1: KTY84 temperature temperature detection detection P12.18 Tens place: Number of × √ × device device temperature detection device selection selection cores 0: Single core 1: Three core Pressure Pressure relief relief 0 to 65535 P12.19...
  • Page 51 Start mode of Start mode of pressure pressure 0 to 2 × √ × P13.16 compensation compensation Pressure Pressure compensation compensation 0 to 2 × √ × P13.17 mode mode Position Position range range 0 to 1024 × √ × P13.18 expansion expansion...
  • Page 52 AI4 offset AI4 offset 0 to 10000 × √ ○ P13.37 AI4 dead AI4 dead zone 0.0 to 65500.0 10.0 × √ ○ P13.38 zone P13.39 Reserved Reserved P13.41 monitoring monitoring 0 to 1000 × √ ○ P13.42 cycle cycle USB mapping USB mapping 0 to 1000...
  • Page 53 differential gain Pressure control Proportional P14.05 0.000~10.000 0.001 × √ ○ proportional gain 2 gain Kp2 Pressure Integral gain control integral P14.06 0.000~10.000 0.001 × √ ○ gain Ki2 Pressure control Differential P14.07 0.000~10.000 0.001 0.000 × √ ○ gain 2 differential gain Flow Flow command...
  • Page 54 Pressure PID feedback sensor lost detection P14.13 0.0s~25.0s 0.1s 0.2s × √ ○ feedback lost time detection time Pressure PID feedback sensor exceeding feedback P14.14 0.0~100.0% 0.1% 80.0% × √ ○ limit detection exceeding limit level detection level Pressure PID feedback sensor exceeding feedback...
  • Page 55 group of group of pressure pressure overshoot overshoot suppression suppression detection levels detection levels The second The second group of group of pressure pressure P14.30 0~100 × √ ○ overshoot overshoot suppression suppression coefficients coefficients P14.31~ Reserved Reserved P14.33 Pressure Pressure sensor fault sensor fault...
  • Page 56 External CAN External CAN driver station driver station P15.02 0 to 247 × √ × number number External CAN External CAN disconnection disconnection P15.03 0.0~1000.0s 0.1s × √ × detection time detection time Unit place of LED: Baud rate selection 0: 4800 1: 9600 2: 19200...
  • Page 57 BIT0: Output voltage (V) BIT1: AI1 (V) BIT2: AI2 (V) BIT3: AI3 (V) Tens place of LED: BIT0: Analog closed loop feedback (%) BIT1: Analog closed loop reference (%, flashing) BIT2: Terminal status (without unit) BIT3: DC bus voltage Binary setting: 0: No display;...
  • Page 58 frequency × P16.04 Preset rotating speed = Preset frequency × motor rated rotating speed/motor rated frequency × P16.04 Non-VF: Running rotating speed = Measured/ estimated rotating speed × P16.04 Preset rotating speed = Preset frequency × motor rated rotating speed/motor rated frequency × P16.04 0.1%~999.9% Closed loop...
  • Page 59 mode of the mode of the 1:4~20mA output (reserved) pressure pressure 2:1~10V sensor sensor 3:0~10V Set according to pressure sensor specifications 0.0~255.0 The maximum pressure required by the Maximum Maximum system,when the command system system voltage DC10V corresponding P25.03 175.0 ×...
  • Page 60 Speed loop Speed loop bandwidth P26.00 bandwidth × √ × control control enable enable Expected Expected low speed P26.01 speed 1.0~200.0Hz 0.1Hz 10.0Hz × √ × bandwidth bandwidth (low speed) Expected Expected high speed P26.02 speed 1.0~200.0Hz 0.1Hz 10.0Hz × √...
  • Page 61 displacement displacement Flow cut-in Traffic cut-in P33.08 0~100% × √ × threshold threshold Flow cut-in Flow cut-in P33.09 0~100% × √ × hysteresis hysteresis Group P97: Protection and fault parameters Unit place of LED: Action upon communication fault 0: Activate protection and coast to stop 1: Alarm and keep running 2: Alarm and stop in the stop...
  • Page 62 upon motor overheat 0: Activate protection and decelerate to stop 1: Activate protection and coast to stop 2: Alarm and keep running Thousands place of LED: Action upon analog input (AI1, AI2, AI3) fault 0 : Activate protection and decelerate to stop 1 : Activate protection and coast to stop 2 : Alarm and keep running...
  • Page 63 1: Common motor (with low-speed compensation) 2: Variable-frequency motor (without low-speed compensation) Tens place of LED: Overload pre-alarm detection selection 0: Always detect 1: Detect only at constant speed Hundreds place of LED: Overload pre-alarm action selection 0: Alarm and keep running 1: Activate protection and coast to stop Thousands place of LED:...
  • Page 64 detection upon detection power-up upon power-up 0: No function 1~100: Auto reset times Auto reset Auto reset Note: Auto reset is not available P97.13 × √ × times times for module protection, external device fault and AI over-current fault Auto reset Reset interval P97.14 2.0~20.0s per time...
  • Page 65 25: Local PG fault (Er.PG1) 26: Overspeed (Er.OVS) 27: Reserved 28: Parameter setting error (Er.PST) 29: Control board 24V power short circuit (Er.24v) 30: Dynamic auto-tuning fault (Er.r30) 31 to 32: Reserved 33: Grounding short circuit (Er.GdF) (reserved) 34: Large DEV deviation fault (Er.dEv) 35 to 37: Reserved 38: PID feedback exceeding limit...
  • Page 66 2. For continuous over-current less than 3 times (including 3 times), it can not be reset until 6s later; if it is more than 3 times, it can not be reset until 200s later; 3. The keyboard displays AL.xxx in case of any fault (e.g. in case of the contactor fault, keyboard displays Er.xxx if there is protection action, and displays...

  • Page 67: Detailed Description Of Pressure Control Function Parameters

    5.2 Detailed description of pressure control function parameters 5.2.1 Hydraulic servo control parameters (Group P14) P14.00 Pressure control mode 0~3 (0) 0: Non-pressure control mode 1: Internal CAN oil pressure mode (multi-pump mode) 2: Pressure control mode AI1 gives the pressure feedback reference; AI2 gives the flow reference;...
  • Page 68 Note  1. In the hydraulic servo control, the first is to control the response of servo motor, the second is to control the response of system pressure and flow, therefore, control and adjust the servo motor response firstly and then control and adjust the system response.
  • Page 69 P14.34 Pressure sensor fault detection current lower 20.0%~300.0% (100.0%) limit P14.35 Pressure sensor fault detection current upper 20.0%~100.0% (50.0%) limit If no pressure sensor signal is detected and meanwhile the output current exceeds P13.34, the pressure sensor is deemed lost. P14.36 Pressure control state output maximum speed 0.0%~100.0% (20.0%)
  • Page 70 2:1~10V 3:0~10V Set according to pressure sensor specifications P25.03 Maximum system pressure 0.0~255.0 (175.0) The maximum pressure required by the system,the command voltage DC10V corresponding to system pressure output, corresponding to the maximum system pressure. P25.04 Motor type 0~65536H (0000) Jointly developed by the servo drive manufacturers and servo motor manufacturers, in order to set the parameters (using a parameter required for curing all the parameters set by P03 ).
  • Page 71 Master and slave station must choose different address. P15.03 External CANopen disconnection detection 0~1000 (0) time Set external CAN break detection time, if the drive does not receive data within the set time, it will report failure. P15.04 485 communication configuration 0~0x155 (001) P15.05 485 local address...
  • Page 72 0: Single pump 1: Single-master multi-slave composite allocation 2: Single-master and multiple-slave bypass/parallel flow 3: Multiple masters and multiple slaves parallel flow P33.04 Single master selection 0~1 (0) When set to 1, the drive is the absolute master in the entire network, and there can only be one absolute master in the entire network.

  • Page 73: Chapter 6 Basic Steps Of Pressure Control Debugging

    Chapter 6 Basic Steps of Pressure Control Debugging 6.1 Pressure debugging process Fig.6-1 Pressure debugging flow chart 6.2 Selection method of main parts of hydraulic servo 6.2.1 Oil pump selection The size of the oil pump is determined by the output flow Q (L/min) of the oil pump, the pressure P (kgf/cm2) that the system is subjected to, and the maximum speed of the motor N (rpm).
  • Page 74 Pump pressure selection:Pump rated pressure should be greater than or equal to system pressure P (kgf/cm2). Pump displacement selection:Pump displacement per revolution (ml/rev)=Q (L/min)×1000 (ml/L)/ N (rpm). Pump type selection:Please follow the instructions below to select the pump type. Table 6-1 Oil pump selection Pump Volumetric Pulsation...
  • Page 75 According to Fig.6-2, with the upgrading of the motor speed, motor torque will gradually decline. But when the speed exceeds 150% of rated speed, servo motor gradually saturated, motor torque will decline rapidly, so the speed stage can not be used as servo motor speed period. Therefore, it is recommended to select 140% of the rated speed as the maximum speed of the motor (Nmax (rpm) = N (rpm) ×...

  • Page 76: Debugging Before The System Is Powered On

    Note  If you need to set the function code P25.04, please contact the technical staff of our company. If you set parameters arbitrarily and cause equipment damage, you will be responsible for the consequences. 6.2.4 Pressure sensor selection After completing the selection of the above oil pump, motor and drive, the pressure and displacement required by the system can be determined.

  • Page 77: Debugging After The System Is Powered On

    6.3.3 Enable disable In order to ensure the safety of the system during the debugging process, it is necessary to disable the system enable before switching on the three-phase AC power for debugging. When the keyboard is not connected, there are two ways to disable the enable: Method 1: Disconnect the drive terminal input enable button Method 2: If the computer of the injection molding machine has a system enable function, and the enable output function is connected to the drive enable terminal, the system enable output should be disabled at this...

  • Page 78: Motor Parameter Tuning

    channel selection Terminal control Communication control Bus control 0: Operation panel running command channel To start and stop through the RUN and STOP keys on the operation panel. 1: Terminal running command channel To start and stop through the external control terminals. 2: Serial port running command channel To start and stop through the serial port.
  • Page 79 P03.03 Motor rated frequency 1.00~3000.0Hz P03.04 Motor rated rotating speed 0~6000rpm 0: Disabled 1: Static auto-tuning P03.24 Parameter tuning 2: Dynamic auto-tuning 3: All-parameter auto-tuning...
  • Page 80 6.5.3 Motor parameter tuning and debugging flowchart Fig.6-3 Motor parameter tuning flowchart...

  • Page 81: Hydraulic Servo Debugging

    6.6 Hydraulic servo debugging 6.6.1 Operational testing After motor tuning is complete, the drive is powered down, then powered on, running motor, start process should be smooth, keyboard display frequency should be small fluctuations around the set value when stable, the current displayed by the drive should be less than 10% of the rated current of the motor when no-load, this shows that both the resolver and the motor are operating normally.
  • Page 82 According to the computer set 170kg/cm²~10kg/cm² in turn, observe drive parameter P01.22, based on 10 V, set the corresponding percentage to the function code P10.32(170kg/cm²), P10.34(160kg/cm²), P10.36(150kg/cm²),P10.38(140kg/cm²), P10.40(130kg/cm²),P10.42(120kg/cm²),P10.44(110kg/cm²), P10.46(100kg/cm²), P10.48(90kg/cm²), P10.50(80kg/cm²), P10.52(70kg/cm²), P10.54(60kg/cm²), P10.56(50kg/cm²), P10.58(40kg/cm²), P10.60(30kg/cm²), P10.62(20kg/cm²), P10.64(10kg/cm²). When computer set pressure reference to 140 kg/cm ², drive keyboard P01.22 value is 7.13V, then the P10.38 value is set to 71.3%.
  • Page 83 The larger the pressure relief value is set, the faster the process will be, but if it is too large, the reverse noise of the oil pump will be caused; the smaller the setting value, the slower the pressure relief will be, and the longer the response time will be.

  • Page 84: Chapter 7 Parallel Control Scheme Of Multiple Oil Pumps

    Chapter 7 Parallel Control Scheme of Multiple Oil Pumps Due to the limitation of the displacement of the oil pump and the power of the motor, the single oil pump system has been unable to meet the flow requirements of large tonnage pressure control in most cases. In order to better solve the problems of insufficient flow, low production efficiency and long process cycle of user products, the entire hydraulic system can complete two or more networking by connecting multiple single oil pump systems in parallel, so as to achieve bypass /parallel flow control, thereby obtaining a pressure control...
  • Page 85 private flow, and provides the remaining flow demand to other slave drives; and so on, until the remaining flow can be completely digested by the remaining slave drives ; but if the maximum private flow of the last slave drive is less than the remaining flow, that is, the sum of the maximum private flow of all drives cannot digest the system flow demand, then all drives will distribute the system flow demand proportionally.
  • Page 86 Fig. 7-2 Single-master multi-slave composite control terminal wiring diagram Compound distribution example: The composite distribution structure diagram is shown in Fig. 7-1. The entire composite distribution hydraulic network consists of 3 hydraulic systems, which are respectively the master drive 1, the slave drive 2, and the slave drive 3.

  • Page 87: Single Master Multi-Slave Pump Bypass /Parallel Flow

    P33.01 (Internal CAN communication address) P33.02 (Internal CAN disconnection detection time) P33.03 (Parallel flow type) P33.04 (Single master selection) P33.05 (Unit number) P33.06 (Node master/ slave switch) P33.07 (Pump displacement) P33.08 (Flow cut-in threshold) P33.09 (Flow cut-in hysteresis) 7.2 Single master multi-slave pump bypass /parallel flow There are two control modes for single-master multi-slave pump bypass/parallel flow control, namely bypass flow and parallel flow control mode.
  • Page 88 Fig. 7-3 Single-master multi-slave pump bypass/parallel flow structure diagram Fig. 7-4 Single-master multi-slave pump bypass/parallel control terminal wiring diagram...

  • Page 89: Multi-Master Multi-Slave Pump Bypass/Parallel Flow

    Example of single-master multi-slave bypass/parallel flow : Fig. 7-3 shows the structure diagram of the single-master multi-slave bypass/parallel flow. The entire single-master multi-slave bypass/parallel flow hydraulic network consists of 3 hydraulic systems, which are respectively the master drive 1, the slave drive 2, and the slave drive 3. The settings are shown in Table 7-2. When the DI2 terminal is invalid, it is the parallel flow control mode.
  • Page 90 pressure command, flow command, operation enable signal sent by the system computer and pressure sensor signal at the oil outlet of the system, and controls the pressure and the total flow of the system. The control unit in the unit can be selected to access analog interfaces AI1, AI2 and AI3 or external CAN interfaces CANH-PC, CANL-PC and CANGnd through function code P14.00.
  • Page 91 Fig. 7-5 Multi-master multi-slave pump bypass/parallel flow structure diagram Fig. 7-6 Multi-master multi-slave pump parallel flow terminal wiring diagram Table 7-3 Multi-master multi-slave parallel flow function code setting example Drive type Slave Master/slave drive Master/slave Function Master drive 1 Slave drive 4 drive 2 drive 5 code...
  • Page 92 P25.05 (Maximum 2000 2000 2000 2000 2000 speed) P33.00 (Internal CAN baud rate selection) P33.01 (Internal CAN communication address) P33.02 (Internal CAN disconnection detection time) P33.03 (Parallel flow type) P33.04 (Single master selection) P33.05 (Unit number) P33.06 (Node master/ slave switch) P33.07 (Pump Invalid Invalid...

  • Page 93: Chapter 8 Troubleshooting

    8.1 Displaying exception and solutions All possible fault types for MV600J6B are summarized as shown in Table 8-1. Before consulting the service department, the user can perform self-check according to the hints of the table and record the fault symptoms in detail.
  • Page 94 Fault Fault type Possible fault cause Solutions code the drive When instantaneous stop happens, Set the start mode P08.00 as the speed tracking restart the rotating motor restart function Check the installation wiring Input side phase Er.IrF There is phase loss in input R.S.T. loss Check the input voltage Check the output wiring...
  • Page 95 Fault Fault type Possible fault cause Solutions code Reduce the DC braking current and lengthen the The DC braking amount is too large. braking time When instantaneous stop happens, Set the start mode P08.00 as the speed tracking restart the rotating motor restart function The acceleration time is too short.
  • Page 96 Fault Fault type Possible fault cause Solutions code The power-up buffer resistance is Replace the buffer resistance, seek for service damaged. support The control circuit is damaged. Seek for service support Input phase loss Check the input R.S.T. wiring The wirings or the plug-in units of the Check them and rewiring control board loosens.
  • Page 97 Fault Fault type Possible fault cause Solutions code Check motor wiring Check the P02.16 (upper limit frequency) and see Tuning overtime whether the P02.17 set value is lower than rated frequency. Check the P01.41 resolver amplitude, if it is lower Resolver amplitude below 7000 than 7000, you need to check whether the resolver Er.PG1...
  • Page 98 Fault Fault type Possible fault cause Solutions code The load is too large during Select a drive with proper power. Low-frequency low-frequency running. Er.040 overload Motor auto-tuning is incorrect. Set the motor parameters and do auto-tuning again. Abnormal control circuit Seek for service support Abnormal AI Er.AIF...
  • Page 99 All the possible alarm types for MV600J6B are summarized as shown in Table 8-2. For details, please refer to the group P97 function code setting. If the fault disappears automatically during the running process, the drive will also automatically reset to the status before the alarm (except AL.SC1, for details, please refer to the...
  • Page 100 Alarm Alarm type Possible alarm causes Solutions code The motor overload protection factor Set the overload protection factor of motor correctly. setting is incorrect. The motor is blocked or the sudden Check the load change of load is too large. AL.oL2 Motor overload The universal motor runs at low speed...

  • Page 101: Common Faults And Solutions

    Alarm Alarm type Possible alarm causes Solutions code During the frequency main reference or External the torque command selects analog Check the wiring or adjust the input type of the AL.EGL reference current reference, the analog reference reference signal command lost signal is disconnected or too low (less than 2mA).
  • Page 102 Symptoms Conditions Possible causes Solutions be modified. The function code P00.03 is set as Set the P00.03 as 0 A portion of function 1 or 2. code can not be The function code is actual Actual parameters can not be changed by modified.
  • Page 103 Symptoms Conditions Possible causes Solutions Enable the “disabling forward run” Check the terminal function setting terminal during forward run process Enable the “disabling reverse running” terminal during reverse Check the terminal function setting running process The frequency adjustment setting is Check the P02.11 and the P02.12 setting Transient low-voltage compensation is applied when...

  • Page 104: Fault Source Analysis

    8.3 Fault source analysis As shown in Fig. 8-1 below, the hydraulic servo system mainly consists of a permanent magnet synchronous motor, a motor rotor position/speed sensor (resolver), an oil pump coaxially connected between the servo drive and the servo motor, and a pressure sensor that detects the hydraulic pressure of the system. Fig.

  • Page 105: Appendix A Optional Components

    Appendix A Optional Components A.1 Peripheral components Attached Fig. A-1 Peripheral electrical components diagram Attached Table A-1 Instructions for the use of MV600J6B peripheral components Accessory name Installation position Description Short-circuit breaker: Cut off the power supply when the downstream equipment is overcurrent to prevent accidents.

  • Page 106: Ac Input Reactor Selection

    The recommended manufacturers and models of input reactors are shown in the table below: Attached Table A-2 Recommended model of AC input reactor Drive model Reactor model Rated power (KW) Rated inductance (mH) MV600J6B-4T5.5 MACL-5.5KW-R 0.93 MV600J6B-4T7.5 MACL-7.5KW-R MV600J6B-4T11 MACL-11KW-R 0.46...

  • Page 107: Braking Resistor Configuration

    A.3 Braking resistor configuration Attached Table A-3 Braking resistor configuration Recommended braking Recommended braking Minimum braking Power kW Braking unit resistor power kW resistor resistance Ω resistor resistance Ω 18.5 Built-in MDBU-4-132 MDBU-4-132 MDBU-4-200 Description  The main functions of the built-in braking unit: 1.
  • Page 108 When P25.04 motor type function code selects "0", it means that the motor type has not been specified, and it is necessary to complete the tuning of the motor parameters of group P03 through P03.24 motor tuning. Attached Table A-4 Servo motor selection table Motor model (Megmeet) Motor code XST2-20F-045-15RH42...
  • Page 109 XST2-26F-295-20RH48 22950 XST2-26F-335-15RH48 23355 XST2-26F-330-17RH48 23307 XST2-26F-321-20RH48 23210 XST2-26F-355-15RH48 23555 XST2-26F-350-17RH48 23507 XST2-26F-347-20RH48 23470 XST2-26F-375-158H48 23755 XST2-26F-369-17RH48 23697 XST2-26F-364-20RH48 23640 XST2-26F-394-15RH48 23945 XST2-26F-394-15RH60 XST2-26F-387-17RH48 23877 XST2-26F-387-17RH60 XST2-26F-380-20RH48 23800 XST2-26F-380-20RH60 XST2-26F-450-20RH48 24500 XST2-26F-450-20RH60 Motor model (Physis motor) Motor series Motor code 31045 1004F 31042...
  • Page 110 10122 10135 E01013F 10132 12155 E01215F 12152 12205 E01220F 12202 12255 E01225F 12252 12305 E01230F E012__F（IPM） 12302 12355 E01235F 12352 Description  If you need the physical parameters of the motor, you can refer to our motor selection manual for the motor model and motor series in Attached Table A-4.

  • Page 111: Appendix B The Use Of Megdrive Studio In Mv600J6B

    Appendix B The Use of Megdrive Studio in MV600J6B B.1 Software Megdrive Studio installation and startup B.1.1 Hardware requirements Need to configure a PC or laptop and Micro-USB, Micro-USB is connected to the J10 terminal in the servo drive. Attached Fig.B-1 Micro-USB B.1.2 Install Megdrive Studio software...

  • Page 112: Servo Parameter Setting And Software Interface Setting

    Attached Fig.B-3 Installation software operating environment 3. If the installation above steps are completed, the software will be able to be used normally. B.1.3 Install driver software Connect the USB-CAN adapter, find the driver corresponding to the PC or laptop from the driver folder and install it.

  • Page 113: Function Description Of Mv600J6B In Megdrive Studio

    Attached Fig.B-5 Communication parameter setting B.3 Function description of MV600J6B in Megdrive Studio B.3.1 Megdrive Studio interface introduction Megdrive Studio interface consists of menu bar, toolbar and status bar. Various functions in the menu bar and toolbar can be selected, such as: connection settings, oscilloscope, parameter management, and instructions for use.
  • Page 114 Description  For more in-depth understanding, please click on the help in the software to view. B.3.2 Oscilloscope function introduction The oscilloscope toolbar is composed of oscilloscope running, oscilloscope pause, saving oscilloscope data, opening oscilloscope data, setting oscilloscope channel, saving waveform picture, moving waveform right and left.
  • Page 115 Attached Fig.B-9 Oscilloscope function introduction 3 Waveform zoom: Press and hold the left button, draw a zoom-in rectangle from the upper left to the lower right, and release to complete the zoom in the rectangular area. Waveform zoom out: Double-click any area to zoom out. (a) Original graphics (b) Zoom in the graphics Attached Fig.B-10 Oscilloscope function introduction 4...
  • Page 116 The parameter editing toolbar consists of opening the CSV parameter file, saving the file to CSV, downloading the servo parameters and reading from the servo parameters. Professionals who are familiar with MV600J6B are recommended to use this function, which is convenient for multi-platform debugging. When a model is debugged, connect the servo drive to the software, upload the data to the software through the servo drive, and generate a CSV file for saving.
  • Page 117 ③After the parameter reading is completed, the following prompt will appear: ④Click any group of parameters in the directory tree to refresh the interface (the current value of the parameter is different from the default value, the parameter row will be displayed in gray). Parameter modification: ①Open the directory tree, select the parameter group, and then double-click the parameter to be modified, the parameter modification interface will pop up (drop-down box or value modification):...
  • Page 118 ② Modify the parameters as needed, and click Download. Parameters save (save to csv file): ①Click the Save button ②In the pop-up save interface, select the file save path and name the file name ③Click Save to complete the parameter saving Parameters open (open csv file): ①Click the Open button ②Find the required file in the pop-up open interface and click to open...
  • Page 119 ③Click the directory tree to refresh the interface and wait for the subsequent operations  Note When downloading data, make sure that the debugged data is correct and safe. If there is any wrong operation, the consequences will be at your own risk.

  • Page 120: Appendix C Modbus Protocol

    120 ohm with the positive end and negative end of the communication signal line of the master station can enhance the immunity to interference. 4. MV600J6B provides the RS485 interface only. If the communication interface of external device is RS232, an RS232/485 conversion device is needed.
  • Page 121 Modbus adopts the “Big Endian” encoding mode, which sends the high bytes first and then sends the low bytes. 1. RTU mode In the RTU mode, the larger value between the function code value and the Modbus internal conventional value shall be selected as the idle time between frames. The minimum idle time value between frames under the Modbus internal convention is as follows: the idle time that the frame header and frame tail pass the bus shall not be less than 3.5 characters to define the frame.

  • Page 122: Protocol Function

    1 ms for the ASCII mode. C.5 Protocol function The main function of Modbus is reading/writing parameters. Different command codes control different operation requests. MV600J6B Modbus protocol supports the operations shown in the following table: Command code Meaning...
  • Page 123 0x02 0x61 0x03 0x62 0x04 0x61 0x09 0x62 0x0A Control parameter group 0x64 0x0C Status parameter group 0x65 0x0D For example, the register address of the function code parameter P03.02 is 0x0302, and the register address of the first control parameter (control word 1) is 0x6400. As the format of the whole data frame has been explained in the above text, the following text will describe the format and meanings of the “command code”...
  • Page 124 0x02 Invalid register address 0x03 Data error (data out of the upper/lower limit range) 0x04 Slave operation failure (including errors caused by invalid data in the upper/lower limit range) 0x05 The command is valid and is being processed (mainly used to save data in non-volatile storage). 0x06 Slave busy.
  • Page 125 If the operation is successful, the response format is as follows: Application-layer protocol data unit Data length (number of bytes) Value or range Command code 0x08 Subcommand code 0x0000 to 0x0030 Data 0x0000 to 0xFFFF If the operation fails, the abnormal response frame will return, and the format is described as above. The subcommand code and description of line diagnosis are shown in the following table.
  • Page 126 Register content 2 × number of registers in operation If the operation is successful, the response format is as follows: Application-layer protocol data unit Data length (number of bytes) Value or range Command code 0x10 Start register address 0x0000 to 0xFFFF Number of registers in operation 0x0001 to 0x000A This command is used to change the contents of continuous data units starting from the start register address.
  • Page 127 Subcommand Data (request) Data (response) Function code the high byte and the low byte long) Parameter group number and Lower limit of the Read the lower limit of the parameter 0x0001 index in the group respectively as parameter (4-character (not available for status parameters). the high byte and the low byte long) Parameter group number and...
  • Page 128 Feature Value Meaning 2 decimal points 3 decimal points Step size is 2 Step size is others Others Reserved Actual value, which can not be modified Can be modified during running Modification Cannot be modified during running / Cannot BIT5 to BIT4 property be modified by users as it is manufacture setting...

  • Page 129: Control Parameter And Status Parameters Of Drive

    The format of the command is the same as that of 0x10. The only difference is that the parameter value operated by the 0x10 command is not saved after power off, and the parameter value operated by the 0x43 command is saved after power failure. C.6 Control parameter and status parameters of drive The control parameters of the drive can complete the functions of starting, stopping and setting the running frequency of the drive.
  • Page 130 Register address Parameter name Note 0x6501 Software version No. 0x6502 Software auxiliary version No. 0x6503 Current feedback frequency 0x6504 Output current 0x6505 Output voltage 0x6506 Output power 0x6507 Bus voltage BT0 to BT5: X1 to X6 0x6508 DI/DO state BT10 to BT12: Y1/Y2/RO1 0x6509 Torque current percentage 0x650A...

  • Page 131: Cautions

    Value Function Note Enable serial port control BIT0 Disable serial port control Drive running BIT1 Drive stop Drive REV BIT2 Drive FWD Enable serial port reference BIT3 Disable serial port reference Main reference reached BIT4 Main reference not reached 1 indicates that there is a fault. Check the Fault BIT5 fault type according to Bit15 to Bit8 of status...

  • Page 132: Crc Check

    See the control parameter table for details. 4. Some parameters inside MV600J6B are reserved and cannot be modified through communication settings. These parameters are listed in the following table:...

  • Page 133: Application Example

    /* Table of CRC values */ const unsigned int crcvalue[ ] = { 0x0000,0xC1C0,0x81C1,0x4001,0x01C3,0xC003,0x8002,0x41C2,0x01C6,0xC006,0x8007,0x41C7,0x00 05,0xC1C5,0x81C4,0x4004,0x01CC,0xC00C,0x800D,0x41CD,0x000F,0xC1CF,0x81CE,0x400E,0x000A, 0xC1CA,0x81CB,0x400B,0x01C9,0xC009,0x8008,0x41C8,0x01D8,0xC018,0x8019,0x41D9,0x001B,0xC 1DB,0x81DA,0x401A,0x001E,0xC1DE,0x81DF,0x401F,0x01DD,0xC01D,0x801C,0x41DC,0x0014,0xC1D 4,0x81D5,0x4015,0x01D7,0xC017,0x8016,0x41D6,0x01D2,0xC012,0x8013,0x41D3,0x0011,0xC1D1,0x8 1D0,0x4010,0x01F0,0xC030,0x8031,0x41F1,0x0033,0xC1F3,0x81F2,0x4032,0x0036,0xC1F6,0x81F7,0x 4037,0x01F5,0xC035,0x8034,0x41F4,0x003C,0xC1FC,0x81FD,0x403D, 0x01FF,0xC03F,0x803E,0x41FE,0x01FA,0xC03A,0x803B,0x41FB,0x0039,0xC1F9,0x81F8,0x4038,0x00 28,0xC1E8,0x81E9,0x4029,0x01EB,0xC02B,0x802A,0x41EA,0x01EE,0xC02E,0x802F,0x41EF,0x002D,0 xC1ED,0x81EC,0x402C,0x01E4,0xC024,0x8025,0x41E5,0x0027,0xC1E7,0x81E6,0x4026,0x0022,0xC1 E2,0x81E3,0x4023,0x01E1,0xC021,0x8020,0x41E0,0x01A0,0xC060,0x8061,0x41A1,0x0063,0xC1A3,0x 81A2,0x4062,0x0066,0xC1A6,0x81A7,0x4067,0x01A5,0xC065,0x8064,0x41A4,0x006C,0xC1AC,0x81AD ,0x406D,0x01AF,0xC06F,0x806E,0x41AE,0x01AA,0xC06A,0x806B,0x41AB,0x0069,0xC1A9,0x81A8,0x4 068,0x0078,0xC1B8,0x81B9,0x4079,0x01BB,0xC07B,0x807A,0x41BA, 0x01BE,0xC07E,0x807F,0x41BF,0x007D,0xC1BD,0x81BC,0x407C,0x01B4,0xC074,0x8075,0x41B5,0x0 077,0xC1B7,0x81B6,0x4076,0x0072,0xC1B2,0x81B3,0x4073,0x01B1,0xC071,0x8070,0x41B0,0x0050,0 xC190,0x8191,0x4051,0x0193,0xC053,0x8052,0x4192,0x0196,0xC056,0x8057,0x4197,0x0055,0xC195, 0x8194,0x4054,0x019C,0xC05C,0x805D,0x419D,0x005F,0xC19F,0x819E,0x405E,0x005A,0xC19A,0x81 9B,0x405B,0x0199,0xC059,0x8058,0x4198,0x0188,0xC048,0x8049,0x4189,0x004B,0xC18B,0x818A,0x 404A,0x004E,0xC18E,0x818F,0x404F,0x018D,0xC04D,0x804C,0x418C,0x0044,0xC184,0x8185,0x4045, 0x0187,0xC047,0x8046,0x4186,0x0182,0xC042,0x8043,0x4183,0x0041,0xC181,0x8180,0x4040} C.9 Application example (1) Parameter settings for oil pressure mode Function code Register Read/Wrote...
  • Page 134 Data frame Address Command code Register address Register content Check code Request 0x01 0x06 0x6400 0x002C 0x2797 Response 0x01 0x06 0x6400 0x002C 0x2797 1# Drive pressure reference, 50.0 bar: Data frame Address Command code Register address Register content Check code Request 0x01 0x06...

  • Page 135: Scaling Of Drive

    Number of Data Command registers and Address Register address Register content Check code frame code number of bytes read 0x0107 0x3734 Request 0x01 0x03 0x0001 None or 0x6504 0x07DB Response 0x01 0x03 None 0x02 0x012C 0xE1B4 C.10 Scaling of drive 1.

  • Page 136: Appendix D Warranty And Service

    (such as unsatisfactory performance and function), please contact the distributor or Shenzhen Megmeet Electrical Co., Ltd. In case of any abnormality, contact the distributor or Shenzhen Megmeet Electrical Co., Ltd. immediately for help. During the warranty period, our company will repair any drive abnormality incurred due to the product manufacturing and design free of charge.
  • Page 137 Shenzhen Megmeet Electrical Co., Ltd. Shenzhen Megmeet Electrical Co., Ltd. Drive Warranty Bill Drive Warranty Bill Customer company: Customer company: Detailed address: Detailed address: Zip code： Contact: Zip code： Contact: Tel: Fax: Tel: Fax: Machine model: Machine model: Power: Machine No.：...

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