INVT MH860 Series Operation Manual
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INVT MH860 Series Operation Manual

Hydraulic servo drive
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Summary of Contents for INVT MH860 Series

  • Page 2 MH860 series hydraulic servo drive Preface Preface Thank you for choosing MH860 series hydraulic servo drive developed by INVT Industrial Technology Co., Ltd. If not otherwise specialized, the drive indicates MH860 series hydraulic servo drive in the manual. Designed for hydraulic equipment such as injection molding machine, die-casting machine, and hydraulic press, the drive features energy saving, high accuracy, high efficiency and durability for adopting high performance vector control.

  • Page 3: Table Of Contents

    MH860 series hydraulic servo drive Contents Contents Preface ............................i Contents ............................ii 1 Safety precautions ........................1 1.1 Safety definition ......................... 1 1.2 Safety guidelines ....................... 1 2 Product overview ........................3 2.1 Product confirmation ......................3 2.2 Drive nameplate......................... 3 2.3 Drive model description......................
  • Page 4 MH860 series hydraulic servo drive Contents 4.9 CAN connector terminal (CN7) ..................31 4.10 Serial communication signal connector (CN1B) .............. 31 4.11 Interface circuit ....................... 31 4.11.1 Analog input circuit interface ................. 31 4.11.2 Digital input circuit interface .................. 32 4.11.3 Digital output circuit interface ................
  • Page 5 MH860 series hydraulic servo drive Contents 8.3 Common faults and solutions ..................109 9 Maintenance and inspection ....................111 9.1 Precautions ........................111 9.2 Check item ........................111 9.3 Main circuit insulation test ....................111 9.4 Replacement of wearing parts ..................112 9.4.1 Service life ......................112 9.4.2 Replacement .......................

  • Page 6: Safety Precautions

    MH860 series hydraulic servo drive Safety precautions 1 Safety precautions Read this manual carefully and follow all safety precautions before moving, installing, operating and servicing the product. Otherwise, equipment damage or physical injury or death may be caused. We shall not be liable or responsible for any equipment damage or physical injury or death caused due to your or your customers’...
  • Page 7 MH860 series hydraulic servo drive Safety precautions animals to avoid scalding. The external braking resistor may rise to a high temperature when the motor is frequently braked, which requires well-ventilated heat dissipation. It is recommended to place the motor outside the control cabinet (such as at the top ventilator outlet) with reliably protection measures.

  • Page 8: Product Overview

    MH860 series hydraulic servo drive Product overview 2 Product overview 2.1 Product confirmation Check the following after receiving the product. Item Remarks Whether the product you have received is Check according to the models on the motor and consistent with the purchased model.

  • Page 9: Drive Specifications

    MH860 series hydraulic servo drive Product overview 2.4 Drive specifications Drive model 018SF7 025SF7 032SF7 038SF7 043SF7 MH860-T Applicable motor 18.5 capacity (kW) Rated output 18.4 current (Arms) Overload (Lasts 5min) Max. output current [Arms] (Lasts 30s) Rated input current (Arms) Input power AC380V(-15%)–440V(+10%) 47Hz–63Hz...
  • Page 10 MH860 series hydraulic servo drive Product overview Drive model 180SF7 215SF7 MH860-T Applicable motor capacity (kW) Rated output current (Arms) Overload (Lasts 5min) Max. output current [Arms] (Lasts 30s) Rated input current (Arms) Input power AC380V(-15%)–440V(+10%) 47Hz–63Hz Weight 52Kg 67Kg Recommended Two 30Ω...

  • Page 11: Drive Technical Performance

    MH860 series hydraulic servo drive Product overview 2.5 Drive technical performance Three-phase full-wave rectification, IGBT with Control mode PWM control on sine wave current drive Max. output frequency 400Hz Motor position sensor Resolver resolution: 4096pluse/rev -10° C – +50° C (No freezing. Derating is required...

  • Page 12: Dimensions Of Drive

    MH860 series hydraulic servo drive Product overview Pressure control accuracy ±1bar Flow control accuracy ±0.5%FS Speed control accuracy ±0.5% Pressure control stepped ≤100ms response ≤50ms Speed stepped response Able to calibrate pressure for output flow Flow calibration function according to various pump characteristics ≤2ms...
  • Page 13 MH860 series hydraulic servo drive Product overview Figure 2-2 Dimensions of MH860-T092SF7–T215SF7 Dimensions of drive: Installation Outline dimensions dimensions Hole diameter Model (mm) (mm) (mm) (mm) (mm) (mm) MH860-T018SF7 M5(φ6) 303.5 MH860-T025SF7 MH860-T032SF7 M5(φ6) MH860-T038SF7 MH860-T043SF7 MH860-T060SF7 M6(φ7) MH860-T070SF7 MH860-T092SF7 M6(φ7)

  • Page 14: Dimensions Of Liquid-Cooled Drive

    MH860 series hydraulic servo drive Product overview 2.6.2 Dimensions of liquid-cooled drive G1 /4 fe ma le th rea d ho le de pth :2 0m m 18 0 29 ,5 15 5 26 5 14- Φ 7 10 0...

  • Page 15: Motor Nameplate

    MH860 series hydraulic servo drive Product overview 2.7 Motor nameplate MODEL: SV-IH20-011C-4-7A0-1M10 INPUT: AC 3PH 380V 29A OUTPUT(RATED): 11kW 1800r/min 59N.m IP54 S1 CLASS F NO.1504007(5200) G.W: APPR. 77Kg S/N: MADE IN CHINA INVT INDUSTRIAL TECHNOLOGY CO.,LTD. 2.8 Motor model description...

  • Page 16: Motor Specifications

    MH860 series hydraulic servo drive Product overview 2.9 Motor specifications Max. Rated Max. current Rated torque at Back- Rated output Rated at rated Max. Rotor current rated Torque Model speed power torque rotation speed inertia rotation (Vrms/ (Nm/A) (rpm) in S1...

  • Page 17: Motor Installation Dimensions

    MH860 series hydraulic servo drive Product overview 2.10 Motor installation dimensions For base-200 motors: -0.043 M10 hole depth:30mm 4- 13.5 -0.016 36.5 Remarks: If you need a supporting foot for installation, note the requirement in the ordering since no supporting foot is provided by default.

  • Page 18: Mechanical Installation

    MH860 series hydraulic servo drive Mechanical installation 3 Mechanical installation 3.1 Installation environment To ensure proper performance and long operating life, install the drive in the following recommended environment, which also ensures that the drive is protected from damage. 1. Prevent from direct sunshine, direct outdoor use not recommended.

  • Page 19: Disassembling/Assembling The Junction Box Of Drive

    MH860 series hydraulic servo drive Mechanical installation > 200mm > 200mm Figure 3-1 Drive installation diagram Ventilation fan Ventilation fan Cooling air Cooling air In cabinet In cabinet (Correct installation method) (Incorrect installation method) Figure 3-2 Ventilation fan installation position 3.3 Disassembling/assembling the junction box of drive...

  • Page 20: Installing The Motor

    MH860 series hydraulic servo drive Mechanical installation Loosen the screw Press the snap and gently lift the cover To assemble the junction box of drive (for example, MH860-T038SF7), do as follows: 1. Put the junction box horizontally into the convex groove, and push the box so that the junction box and the housing slit overlap.
  • Page 21 MH860 series hydraulic servo drive Mechanical installation The procedure for installing the motor and pump is as follows: 1. Connect the flat key to the pump as one part, and put on the half of the coupling, and wear the bolt, but not tighten it.

  • Page 22: Electrical Connection

    MH860 series hydraulic servo drive Electrical connection 4 Electrical connection 4.1 Wiring precautions Only trained and qualified professionals can perform the wiring. Incorrect wiring may cause electric shock or fire. The drive can be connected directly to an industrial power line. In other words, no transformer is used for isolation.

  • Page 23: Switch, Contactor, And Cable Selection

    MH860 series hydraulic servo drive Electrical connection 4.2 Switch, contactor, and cable selection Main circuit Control circuit Power contact Recommended Connectable incoming or AC3 cable size cable size circuit Recommended Drive model rated breaker cable size working switch R/S/T R/S/T...

  • Page 24: Terminal Layout

    MH860 series hydraulic servo drive Electrical connection 4.3 Terminal layout IO NO/NC switch LED display Operation panel CN3 interface: CAN/485 communication CN1A interface: I/O output CN1B interface: HMI CN2A interface: encoder CN2B interface: encoder CN5 interface: I/O control J9: pressure sensor selection...

  • Page 25: Standard Wiring

    MH860 series hydraulic servo drive Electrical connection 4.4 Standard wiring Servo drive Note 2 Pressure sensor Braking resistor Pressure feedback input AIN3+ Signal ground AGND Pressure sensor +15V power supply Power input 380V Note 3 AIN1+ System Flow reference controller...

  • Page 26: Jumper Function

    MH860 series hydraulic servo drive Electrical connection Note 2: The pressure sensor of the drive uses 15V as the power supply, and the accepted pressure signal is the voltage signal of 0–10V or 1–5V, which can be set through J9 on the control board.

  • Page 27: Wiring Of Main Circuit

    MH860 series hydraulic servo drive Electrical connection Position Function Position Function Enables drive Enables drive external power supply internal power supply to to drive digital input drive digital input signal. signal. Enables drive Enables drive GND24V GND24V external power supply...
  • Page 28 MH860 series hydraulic servo drive Electrical connection Figure 4-3 Terminal diagram of the 45kW–55kW main circuit Figure 4-4 Terminal diagram of the 75kW–90kW main circuit Figure 4-5 Terminal diagram of the 110kW main circuit...

  • Page 29: Resolver Signal Connectors (Cn2A And Cn2B)

    MH860 series hydraulic servo drive Electrical connection Terminal Terminal Function symbol Main circuit power R, S, T AC380V(-15%)–440V(+10%) 47Hz–63Hz input terminals Motor connection U, V, W Connect to the motor. terminals Connects to the power grounding terminal and motor Grounding terminal grounding terminal for grounding.

  • Page 30: Motor Resolver Connection Cable And Terminals

    MH860 series hydraulic servo drive Electrical connection PE L N TS- TS+ Fan p ow e r Tem pe ra tu re se nso r 22 0V AC User wiring area Figure 4-8 Motor wiring terminals Item Definition Motor three-phase inputs...

  • Page 31: Typical Wiring Examples Of Main Circuit

    MH860 series hydraulic servo drive Electrical connection 4.6.5 Typical wiring examples of main circuit Only one wire can be inserted into each wire insertion port of the connector. The motor three-phase cable must be a shielded cable, of which one...

  • Page 32: Wiring Procedure For Main Circuit Terminal Cn6

    MH860 series hydraulic servo drive Electrical connection 3PH power AC380V(-15%)~440V(+10%) Servo drive Servo motor Circuit breaker for wiring Electromagnetic contactor Resolver Temperature measuring resistor CN2B DC reactor Braking unit Braking resistor Figure 4-10 Wiring diagram of >=110kW main circuit 4.6.6 Wiring procedure for main circuit terminal CN6 Connect the input power cable to the drive power input terminals R, S, and T.
  • Page 33 MH860 series hydraulic servo drive Electrical connection Signal name Symbol Function Flow command input: Input + of analog AIN1+ CN5-1 Input gains can be changed through the LED reference 1 panel or HMI. Pressure command input: Input + of analog...

  • Page 34: I/O Output Signal Connector (Cn1A)

    MH860 series hydraulic servo drive Electrical connection Signal name Symbol Function If the main circuit is powered on without alarm Servo readiness + S-RDY+ CN5-15 output, the drive is on when the drive enabling end Servo readiness - S-RDY- CN5-16 is at low level.

  • Page 35: Typical Control Signal Wiring Examples

    220Ω terminal resistor. CAN communication port 2 is used to connect multiple drives in multi-pump parallel connection system, also used as the CAN communication interface for INVT PC debugging software SCM. It internally connects to a 220Ω terminal resistor.

  • Page 36: Can Connector Terminal (Cn7)

    MH860 series hydraulic servo drive Electrical connection 4.9 CAN connector terminal (CN7) CN7 (CAN communication port 1) supports the standard CANopen communication protocol and internally connects to a 10kΩ terminal resistor. Signal name Symbol Function CAN1H CN7-1 Standard CAN protocol signal, using the optocoupler...

  • Page 37: Digital Input Circuit Interface

    MH860 series hydraulic servo drive Electrical connection Twisted Shielded pair cable AIN3+ 4.11.2 Digital input circuit interface Pins 9 to 14 of CN5 connector are described as follows: By default, pin 10 S-ON is an active low circuit, while the others are active high circuits. If you need active low circuits, inform us to modify.
  • Page 38 MH860 series hydraulic servo drive Electrical connection Connect a free-wheeling Connect to a current limit Drive side Drive side diode if an inductive load is resistor if an optical coupler connected. is connected. Max. load capacity of each Max. load capacity of each...

  • Page 39: Expansion Card

    MH860 series hydraulic servo drive Electrical connection 4.12 Expansion card 4.12.1 CAN communication card The drive can connect to a high-speed CANopen communication network by connecting the CN3 terminal on the CAN communication card to the CN100 terminal on the main control board, implementing field bus control.

  • Page 40: Profinet Communication Card

    MH860 series hydraulic servo drive Electrical connection 4.12.3 PROFINET communication card The drive can implement PROFINET communication by connecting the CN1 terminal on the PROFINET communication card to the J6 terminal on the control board. The drive uses the RJ45 terminal interfaces CN2 and CN4 to communicate external equipment. The following shows the PROFINET communication card.

  • Page 41: Operating Through The Led Panel

    MH860 series hydraulic servo drive Operating through the LED panel 5 Operating through the LED panel 5.1 LED panel description Status Value place places MODE SET/SHIFT UP key DOWN key Description Description Used to switch over menu items or MODE Upward key.
  • Page 42 MH860 series hydraulic servo drive Operating through the LED panel When the drive is powered on, the LED turns on, with the first 5 digits indicating the value and the last digit indicating the system status. The LED digital value displays the motor rotation speed (rpm) by default, accurate to the ones place.

  • Page 43: Led Status Place

    MH860 series hydraulic servo drive Operating through the LED panel 5.1.1 LED status place The last place on the LED tube displays the actual run status of the servo system. Display Cycle Control status Electronic Electricity Ready to run Fault...

  • Page 44: Shortcut Mode

    MH860 series hydraulic servo drive Operating through the LED panel Initial state, in speed or fault display Press to display a next shortcut Press 1s parameter ID and release it to display the value. Shortcut mode MODE Quick setup mode...
  • Page 45 MH860 series hydraulic servo drive Operating through the LED panel in which "xx" indicates a parameter ID. You can press the key to select a parameter ID. When you press and hold the key and then release it, the selection is completed.
  • Page 46 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit After the access to the pressure feedback zero calibration, the LED displays the analog voltage feedback of pressure sensor. Press and hold the key and release it for calibration.
  • Page 47 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit and hold the key and then release it to confirm the value. Pressure zero calibration Press and hold the key and then release it for access. Then the LED displays the pressure reference analog value.
  • Page 48 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Then the LED displays . If the calibration succeeds, the LED displays . If the calibration failed, the LED displays Writing parameters Press and hold the key and then release it for access.
  • Page 49 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit autotuning. If autotuning succeeds, the LED displays . If autotuning failed, the LED displays . During MODE autotuning, you can press the key to exit and return to the "Exx"...

  • Page 50: Monitoring Mode

    MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Press and hold the key and then release it for access. Press the key to set parameters. Press and hold the key and then release it for setup. You can press the MODE key to exit and return to the "Exx"...
  • Page 51 MH860 series hydraulic servo drive Operating through the LED panel "d--xx", in which "xx" indicates a parameter ID. You can press the key to select a parameter ID. If you press the key after the selection, the LED value places display the MODE parameter value.

  • Page 52: Setup Mode

    MH860 series hydraulic servo drive Operating through the LED panel Code Item Range Unit Flow reference [0,10.00] voltage Pressure reference [0,10.00] voltage Pressure feedback [0,10.00] voltage Output voltage [-1000,1000] ALM_RST S_RDY Digital input/output S_ON When the input signal is valid, the LED turns off. For example, when I1 has signal, the LED turns off;...
  • Page 53 MH860 series hydraulic servo drive Operating through the LED panel parameter ID. If you press and hold the key and then release it, the LED displays the parameter value. If you press the key, the changeable places blink. If you...
  • Page 54 MH860 series hydraulic servo drive Operating through the LED panel Scroll to display model Any key MODE Select Model code Select SN: sequence number for a motor model Model code: digital code for a motor model Oil pump setup flowchart:...
  • Page 55 MH860 series hydraulic servo drive Operating through the LED panel Drive Drive LED display mode Drive model selection SN model code MH860-T060SY7 6–070 MH860-T070SF7 MH860-T092SF7 6–092 MH860-T092SY7 MH860-T115SF7 6–115 MH860-T115SY7 MH860-T150SF7 6–150 MH860-T150SY7 6–170 MH860-T170SY7 6–180 MH860-T180SF7 6–215 MH860-T215SF7 Motor model table:...
  • Page 56 MH860 series hydraulic servo drive Operating through the LED panel Motor Motor model Temperature winding Motor model Brand selection SN code resistor model K130F22C18P INVT Pt1000 K135F25C25P INVT Pt1000 K341F18C25P INVT Pt1000 K105F20C18P INVT Pt1000 K122F23C25P INVT Pt1000 K148F21C25P INVT...
  • Page 57 MH860 series hydraulic servo drive Operating through the LED panel Oil pump selection Displacement Oil pump model Default max. flow mL/r PUMP 101 mL/r 202 L/min PUMP 120 mL/r 240 L/min PUMP 125 mL/r 250 L/min PUMP 130 mL/r 260 L/min...
  • Page 58 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit 4: Fold-line point 1 the LED 5: Fold-line point 2 displays the 6: Fold-line point 3 original 7: Fold-line point 4 value, the 8: Fold-line point 5...
  • Page 59 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Pressure feedback F016 [0,32767] 8182 gain Pressure reference 0.007629 F017 [0,32767] 16000 rise slope bar/ms Pressure reference 0.007629 F018 [0,32767] 16000 fall slope bar/ms Pressure proportional...
  • Page 60 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit [0,800] (Only slight change AC voltage at F036 AC voltage calibration allowed) menu access 0: No base flow F037 Enabling base flow 1: With base flow...
  • Page 61 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit 3: Flow feedback 4: Speed reference 5: Speed feedback 6: Torque reference 7: Torque feedback 8: Resolver feedback 9: DC voltage 10: Phase current 11: Fault word 1...
  • Page 62 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit key to display the previous fault (SN: 2). You can press the key to display the following information at a fault: DC voltage (V) , speed...
  • Page 63 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit access. Then the LED displays Press and hold the and then release it to start parameter writing. Then the LED displays . If the writing succeeds, the LED displays .
  • Page 64 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit protection Bus undervoltage F089 [0,1000] protection@ Bus undervoltage F090 [0,30000] protection @time Bus undervoltage F091 [0,1000] protection Bus undervoltage F092 protection for pipe [0,1000] opening...
  • Page 65 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit protection threshold Pressure sensor fault F107 [0,32767] value ACDC sampling error F108 [0,800] voltage 018→35 025→35 032→35 038→35 043→69 060→69 Braking resistance 070→69 F109 [0,500] heating factor 092→40...
  • Page 66 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Low speed integral F117 [0,32767] gain Low rotation speed of F118 [0,6000] 5994 gain switchover High rotation speed of F119 [0,6000] 5994 gain switchover F120...
  • Page 67 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit of pressure 1: Enable Speed proportional F141 [0,32767] 7000 gain 1 F142 Speed integral gain 1 [0,32767] Speed proportional F143 [0,32767] 7000 gain 2 F144...
  • Page 68 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit 7: PID terminal 2 F162 I4 input selection 8: PID terminal 3 9: PID terminal 4 F163 Reserved 10: Trigger method selection F164 Reserved 11: Enabling inclined-disk...
  • Page 69 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Proportion 1 of F177 depressurization [0,32767] 13000 pressure drop P Integral 1 of F178 depressurization [0,32767] pressure drop P Enabling F179 depressurization 0: Disable. 1: Enable...
  • Page 70 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Pressure at self-depressurization F194 [0,500] low-pressure switch-on Pressure at self-depressurization F195 [0,500] low-pressure switch-off Pressure forward F196 overshoot [0,3000.0] 25.0 suppression Pressure reverse F197 overshoot [0,3000.0]...

  • Page 71: Debug Mode

    MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Multi-step F210 depressurization [0,32767] startup delay Multi-step F211 depressurization end [0,32767] delay Enabling F212 pressure-boost speed 0: Disable. 1: Enable Enabling F213 depressurization 0: Disable. 1: Enable bidirectional control 5.2.6 Debug mode...
  • Page 72 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Speed reference (Valid in speed Motor model related control mode) 0: Digital input 1: Analog input 2: Continuous CAN communication input 3: Continuous RS485 communication input...

  • Page 73: Multi-Pump Mode

    MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Internal flow [0,100.0] reference 4 Internal flow [0,100.0] reference 5 Reserved [0,100.0] Reserved [0,100.0] Internal pressure [0,100.0] reference 0 Internal pressure [0,100.0] reference 1 Internal pressure [0,100.0]...
  • Page 74 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit 4: Communication with two models 5: Communication with four models Node No. [0,15] Slave count [0,15] 0: Independent unit 1: Control unit Node type 2: Follow-up unit...
  • Page 75 MH860 series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit 2: Synchronization clock 0: 500μs 1: 1ms ECAT synchronization time 2: 2ms 3: 4ms RS485 communication [1,255] address 0: (N,8,1) 1: (E,8,1) 2: (O,8,1) 3: (N,8,2)

  • Page 76: Commissioning

    MH860 series hydraulic servo drive Commissioning 6 Commissioning You can perform commissioning for the servo system by operating the embedded LED of the drive. 6.1 Commissioning flowchart Oil pump model Installation/ Disconnection of run Motor model selection selection connection check...

  • Page 77: Motor Parameter Autotuning And Motor Initial Angle Measuring

    MH860 series hydraulic servo drive Commissioning Pressure sensor model selection F044 (Default: 10V) 5V: Sensor output range of 1–5V, measuring range of 0–200bar 10V: Sensor output range of 0–10V, measuring range of 0–250bar 400bar: Sensor output range of 0–10V, measuring range of 0–400bar 6.2.4 Motor parameter autotuning and motor initial angle measuring...

  • Page 78: Low-Speed Jogging

    MH860 series hydraulic servo drive Commissioning and hold the key and then release it, the system automatically measures the initial angle, and the LED displays "――――――". When the measuring is completed, the LED displays "OK". You need to save the measured values to the EEPROM by using the parameter writing function of the shortcut menu.
  • Page 79 MH860 series hydraulic servo drive Commissioning discharge all the air in the hydraulic system. Note: At the startup, there is noise due to air merging in the hydraulic oil, which is a normal phenomenon. If the noise does not disappear within a certain period of time, discharge air for the hydraulic oil path.

  • Page 80: Pressure And Flow Calibration

    MH860 series hydraulic servo drive Commissioning 6.2.6 Pressure and flow calibration Se the max. pressure and flow values. The calibration varies slightly depending on the flow combining type.  For the single-pump type: Perform calibration directly, without considering the setting of P00.

  • Page 81: Pressure Retaining Test

    MH860 series hydraulic servo drive Commissioning Set the pressure reference to 0bar on the upper computer. Access the setting of E07. The LED displays the pressure reference voltage. Press and hold the key and then release it to perform pressure zero-place calibration. Then the LED displays .

  • Page 82: Calibration Review

    MH860 series hydraulic servo drive Commissioning After the successful test of low pressure retaining, you can perform the test of high pressure retaining. Set the flow reference to 80% on the upper computer, and gradually increase the pressure reference to max. pressure required. View d09 (Pressure feedback) and d07 (Speed feedback).
  • Page 83 MH860 series hydraulic servo drive Commissioning Code Definition Setting Range Default Increasing the speed Speed proportional gain 0 [0,32767] 7000 F014 proportional gain can improve the transient responsiveness of F141 Speed proportional gain 1 [0,32767] 7000 motor speed control, enhance...
  • Page 84 MH860 series hydraulic servo drive Commissioning Code Definition Setting Range Default Multi-pump pressure setting the gain too great will [0,32767] 8000 proportional gain 3 cause oscillation. Multi-pump pressure integral Increasing the pressure integral [0,32767] gain 0 gain can improve the transient...

  • Page 85: Multi-Pump Combined Flow Control

    MH860 series hydraulic servo drive Multi-pump combined flow control 7 Multi-pump combined flow control For the hydraulic control of large tonnage injection molding machines, a single-pump system is far from being able to meet the flow requirements due to the limitation of pump displacement or motor power.

  • Page 86: Multiple Pumps

    MH860 series hydraulic servo drive Multi-pump combined flow control For a total system flow reference command: When it is less than the max. private flow of master pump 0, master pump 0 carries all the system flow. When it is greater than the max.

  • Page 87: Hybrid

    MH860 series hydraulic servo drive Multi-pump combined flow control Master servo drive Slave servo drive 1 Slave servo drive 2 Pressure sensor AIN3+ Output * / * AGND Ground Power System controller 5 6 12 13 5 6 12 13...

  • Page 88: Multiple Modes

    MH860 series hydraulic servo drive Multi-pump combined flow control Oil outlet 1 Oil outlet 2 Oil outlet 3 Pressure sensor Pressure Pressure sensor sensor Slave Master Slave node node node 7.4 Multiple modes The system consists of three nodes, of which each node consists of one or more single-pump systems.

  • Page 89: Communication With Two Models

    MH860 series hydraulic servo drive Multi-pump combined flow control Oil outlet 2 Oil outlet 1 Oil outlet 3 Pressure Pressure sensor Pressure sensor sensor Independent Control unit Control unit Following unit Following unit unit Slave node Slave Master Slave node...

  • Page 90: Communication With Four Models

    MH860 series hydraulic servo drive Multi-pump combined flow control slave node with the flow combined with the master node. Each is a 16-bit integer. A total of 15 slave nodes can be set. The value 1 of a bit indicates combining flow with the master node, while the value 0 indicates splitting flow and independent oil pump control.
  • Page 91 MH860 series hydraulic servo drive Multi-pump combined flow control which each is also a single-pump system). The master node controls which slave nodes combine flow through the flow splitting/combining selection terminal and the terminal of flow splitting/combining selection 1. There are four types of node combination.
  • Page 92 MH860 series hydraulic servo drive Multi-pump combined flow control Nodes 0 and 1 combine the flow, while nodes 2 and 3 split the flow and serve as the master nodes. Combination 2: Nodes 0, 1, and 2 combine the flow, while node 3 splits the flow and serves as the master node.
  • Page 93 MH860 series hydraulic servo drive Multi-pump combined flow control Displayed Name Description Initial value Unit code 0: Single pump. 1: Hybrid. 2: Multiple pump pumps. 3: Multiple modes The node No. 0 indicates the master node. Node No. A node No. ranging from 1 to 15 indicates a slave node.
  • Page 94 MH860 series hydraulic servo drive Multi-pump combined flow control Displayed Name Description Initial value Unit code CAN slave-node address 1 CAN slave-node address 2 Four slave-node addresses. Range: 0– 65535 CAN slave-node address 3 CAN slave-node address 4...

  • Page 95: Troubleshooting

    MH860 series hydraulic servo drive Troubleshooting 8 Troubleshooting 8.1 Display list for protection The drive alarms with messages and protects against faults such as overvoltage and overcurrent. Once upon a fault occurs, the protection function is enabled, the drive stops output, and the motor stops running.
  • Page 96 MH860 series hydraulic servo drive Troubleshooting Code Name Definition Code Name Definition The motor The system pressure rotation speed System exceeds the Err13 Err14 REV overspeed exceeds the overpressure overpressure reverse speed protection threshold. protection value. The pressure sensor Pressure sensor...
  • Page 97 MH860 series hydraulic servo drive Troubleshooting Code Name Definition Code Name Definition current sampling the phase-B value fluctuates current sampling greatly. value fluctuates greatly. When the drive is When the drive is tested in Phase-A current tested in diagnosis Phase-B current...
  • Page 98 MH860 series hydraulic servo drive Troubleshooting Code Name Definition Code Name Definition follow, and timeout occurs. During motor parameter During motor autotuning in parameter diagnosis mode, the autotuning in number of motor pole Phase Motor diagnosis mode, pairs is calculated...

  • Page 99: Fault Handling Flowcharts

    MH860 series hydraulic servo drive Troubleshooting 8.2 Fault handling flowcharts Err01: IPM fault ERR01 Is the drive output loop grounded or Remove the wiring fault. short circuited? Is the motor power cable short Remove the wiring fault or circuited or shorted to the ground or replace the motor.
  • Page 100 MH860 series hydraulic servo drive Troubleshooting Err03: DC overvoltage Err17: AC overvoltage Err23: Input phase loss ERR03 ERR17 ERR23 Is the drive input voltage out of the Adjust the input voltage to allowed range? an allowed value. Is the AC input voltage or rectifier...
  • Page 101 MH860 series hydraulic servo drive Troubleshooting Err05: FWD overspeed Err14: REV overspeed ERR05 ERR14 Remove the reSolver wiring fault, and ground the Enable the drive to enter debug mode through the debug menu and check motor-side shield layer. If whether the resolver value change...
  • Page 102 MH860 series hydraulic servo drive Troubleshooting Err07: Motor overtemperature ERR07 Check whether the motor temperature resistor wiring is Remove the wiring fault. abnormal. Is the motor temperature resistor Replace the motor. Or resistance correct? short connect T1 and T2, (At room temperature, PT1000 and shield motor ≈3270Ω, KTY84≈603Ω)
  • Page 103 MH860 series hydraulic servo drive Troubleshooting Err09: CAN fault ERR09 Is CAN communication connection Remove the abnormal? (including terminal resistor wiring fault. jumpers, up to two jumpers shorted) Correct Are multi-pump parameter settings incorrect parameter for a multi-pump system? settings.
  • Page 104 MH860 series hydraulic servo drive Troubleshooting Err13: System overpressure ERR13 Remove the wiring Is the pressure sensor or its wiring fault or replace the abnormal? pressure sensor. Correct Are pressure control PID parameters and parameter speed control PI parameters set properly? settings.
  • Page 105 MH860 series hydraulic servo drive Troubleshooting Err16: Braking pipe fault ERR16 Remove the Is the braking resistor wiring incorrect? wiring fault. Is the braking resistor resistance Replace the correct? braking resistor. Contact the local dealer or our technical support. Err18: EEPROM error...
  • Page 106 MH860 series hydraulic servo drive Troubleshooting Err22: Node fault ERR22 Is the wiring for the drive enabling or flow Remove the combining selection signal abnormal when the wiring fault. flow combining type is hybrid or multi-mode? Remove the Is a slave node faulty when the system is in...
  • Page 107 MH860 series hydraulic servo drive Troubleshooting Err26: Current feedback channel fault Err26 Replace the Current sensor fault controller. Replace the AD sampling channel fault control board. Remove the Interference too great interference. Contact the local dealer or our technical support.
  • Page 108 MH860 series hydraulic servo drive Troubleshooting Err34: Phase-A current sampling fluctuation fault Err35: Phase-B current sampling fluctuation fault Err36: Phase-A current sampling zero drift fault Err37: Phase-B current sampling zero drift fault Err34 Err35 Err36 Err37 Replace the Current sensor fault controller.
  • Page 109 MH860 series hydraulic servo drive Troubleshooting Err39: Pressure feedback sampling fluctuation fault Err40: Pressure feedback sampling zero drift fault Err39 Err40 Replace the Pressure sensor fault pressure sensor. Replace the AD sampling channel fault control board. Remove the electromagnetic or...
  • Page 110 MH860 series hydraulic servo drive Troubleshooting Err44: Module temperature sampling fluctuation fault Err45: Motor temperature sampling fluctuation fault Err44 Err45 Replace the AD sampling channel fault control board. Remove the Interference too great interference. Contact the local dealer or our technical support.
  • Page 111 MH860 series hydraulic servo drive Troubleshooting Err50: Phase sequence detection fault Err50 Detect the motor Motor wiring problem wiring. Re-input motor Motor nameplate parameter nameplate input error parameters. Replace the AD sampling channel fault control board. Replace the Current sensor fault controller.
  • Page 112 MH860 series hydraulic servo drive Troubleshooting Err52: Motor parameter dynamic test fault Err52 Detect the motor Motor wiring problem wiring. Empty or reduce Load too great the motor load. Replace the AD sampling channel fault controller. Replace the Current sensor fault controller.
  • Page 113 MH860 series hydraulic servo drive Troubleshooting Err54: Diagnosis interrupted Err54 The control board reports an Replace the error. control board. Contact the local dealer or our technical support. Err56: EtherCAT initialization fault Err56 EtherCAT expansion board in Re-plug the poor contact expansion board.

  • Page 114: Common Faults And Solutions

    MH860 series hydraulic servo drive Troubleshooting Err58: EtherCAT disconnection Err59: EtherCAT communication fault Err58 Err59 The network cable is not Re-plug the inserted correctly after the drive network cable. is enabled. Check whether the The EtherCAT master node EtherCAT master does not run properly.
  • Page 115 MH860 series hydraulic servo drive Troubleshooting Fault Possible cause Solution fault damage or loose connection). (2) Set overcurrent (2) Incorrect parameter settings. parameters properly. (3) Load fluctuation or oil pump (3) Calibrate the load system damage. and oil system again.

  • Page 116: Maintenance And Inspection

    MH860 series hydraulic servo drive Maintenance and inspection 9 Maintenance and inspection The internal components of drive will become ageing due to the influence of environmental temperature, humidity, dust, vibration and other factors, which causes the potential failure or shortens the service life. Therefore, routine inspection and periodic maintenance must be performed for the drive.

  • Page 117: Replacement Of Wearing Parts

    MH860 series hydraulic servo drive Maintenance and inspection 9.4 Replacement of wearing parts 9.4.1 Service life The wearing parts of drive mainly include the cooling fan and electrolytic capacitor for filtering, whose service life is closely related to the running environment and maintenance condition.

  • Page 118: Accessories

    MH860 series hydraulic servo drive Accessories 10 Accessories 10.1 Accessory model list ACCESSORY MODEL APPLICATION DL-35EBK5 018/025 DL-50EBK5 032/038/043 DL-65EBK5 060/070 Filter DL-100EBK5 092/115 DL-130EBK5 150/180 DL-160EBK5 ACL2-5R5-4 018/025 ACL2-015-4 032/038/043 ACL2-022-4 060/070 AC reactor ACL2-037-4 092/115 ACL2-055-4 150/180 ACL2-075-4 40Ω, 500W...
  • Page 119 MH860 series hydraulic servo drive Accessories Noise filter model Drive model Model Specifications MH860-T150SY7 MH860-T180SF7 DL-130EBK5 130A,690nF MH860-T170SY7 MH860-T215SF7 DL-160EBK5 160A,690nF Filter terminal definition Symbol Definition Input 3PH power Input power ground A’ B’ Output 3PH power C’ G’ Output power ground...

  • Page 120: Braking Resistor Model Selection And Installation

    MH860 series hydraulic servo drive Accessories see section 4.6.5 Typical wiring examples of main circuit. 10.3 Braking resistor model selection and installation Mapping between drive models and braking resistor/unit specifications/models Braking resistor specifications Drive model Braking unit model Resistance Power (W) (Ω)
  • Page 121 MH860 series hydraulic servo drive Accessories The aluminum-housed braking resistors RXLG-2000W-10RJ (for 092/115 drives, or for two of 150/170/180 drives in parallel connection), and RXLG-2000W-30RJ (for two of 215 drives in parallel connection) are as follows. Model RXLG-500W-20R J RXLG-500W-40R J RXLG-2000W-10R J 30.5...
  • Page 122 MH860 series hydraulic servo drive Accessories MH860 Braking unit installation  The 110kW and higher models need to be configured with external braking units.  (+) and (-)are the terminals for connecting braking units. The connection cable length between the (+) and (-) terminals of the VFD and ...
  • Page 123 MH860 series hydraulic servo drive Accessories Figure 10-1 MH860-018/025/032/038/043/060/070/092/115 drive and braking resistor layout (mm) Figure 10-2 MH860-150/170/180/215 drive and braking resistor layout (mm)

  • Page 124: Pressure Sensor Model Selection

    MH860 series hydraulic servo drive Accessories 10.4 Pressure sensor model selection Pressure sensor terminal Black/Blue Green Yellow Color Item Definition +15V 15V power supply Black/Blue AGND Pressure analog signal output Green AIN3+ Yellow Ground wire The raw tape is used to seal the connection between the pressure sensor and the oil path.

This manual is also suitable for:

Mh860-t018sf7Mh860-t025sf7Mh860-t032sf7Mh860-t038sf7Mh860-t043sf7Mh860-t060sf7 ... Show all

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