INVT MH860A Series Operation Manual
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INVT MH860A Series Operation Manual

Hydraulic servo drive
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Summary of Contents for INVT MH860A Series

  • Page 2 MH860A series hydraulic servo drive Preface Preface Thank you for choosing our MH860A series hydraulic servo drive. Designed for hydraulic equipment such as injection molding machine, die-casting machine, and hydraulic press, the servo drive features energy saving, high accuracy, high efficiency and durability for adopting high performance vector control.

  • Page 3: Table Of Contents

    MH860A 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 MH860A series hydraulic servo drive Contents 4.6.4 Motor resolver connection cable and terminals ............29 4.6.5 Typical wiring examples of main circuit ..............29 4.6.6 Wiring procedure for main circuit terminals ............. 30 4.7 Input and output signal wiring ................... 30 4.7.1 Control circuit terminals ..................
  • Page 5 MH860A series hydraulic servo drive Contents 8.1 Display list for protection ....................101 8.2 Fault handling flowcharts ....................105 8.3 Common faults and solutions ..................119 9 Maintenance and inspection ....................121 9.1 Precautions ........................121 9.2 Check item ........................121 9.3 Main circuit insulation test ....................

  • Page 6: Safety Precautions

    MH860A series hydraulic servo system 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 MH860A series hydraulic servo drive Safety precautions The surface temperature of the motor may reach 100℃ when running continuously at full load. The temperature is within the allowable range of design and can be operated normally, but you must install the motor in a place unaccessible to people and animals to avoid scalding.

  • Page 8: Product Overview

    MH860A series hydraulic servo drive Product overview 2 Product overview 2.1 Product confirmation Check the following after receiving the product. Item Remarks Check that the product you have Check according to the models on the motor and received is consistent with the purchased drive nameplates.

  • Page 9: Drive Specifications

    MH860A series hydraulic servo drive Product overview 2.4 Drive specifications Max. Recommended Appli- Rated Overload output Rated Min. cable regenerative Drive output (Arms) current input Input Weight braking motor braking model current lasts (Arms) current power (kg) resistance capacity resistor (Ω)

  • Page 10: Drive Technical Performance

    MH860A series hydraulic servo drive Product overview 2.5 Drive technical performance Item Condition 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: 4096PPR -10° C – +50° C (No freezing. Derating is required if the temperature exceeds 40°...
  • Page 11 MH860A series hydraulic servo drive Product overview Item Condition Supported input: analog input, internal input, communication input, RS485 continuous input, Process control CANopen input, EtherCAT input, and PROFINET input Supported control methods: CAN communication, Speed control RS485 communication, CANopen input...

  • Page 12: Dimensions Of Drive

    MH860A series hydraulic servo drive Product overview 2.6 Dimensions of drive 2.6.1 Wall-mounting dimensions Figure 2-2 Dimensions of MH860A-S018TF7 – S075TF7 Table 2-1 Wall-mounting dimensions for MH860A-S018TF7 – S075TF7 (unit: mm) Outline dimensions Mounting hole Hole Fixing Drive model (mm)

  • Page 13: Flange Mounting Dimensions

    MH860A series hydraulic servo drive Product overview Figure 2-4 Dimensions of MH860A-S180TF7 – S215TF7 Table 2-2 Wall-mounting dimensions for MH860A-S092TF7 – S215TF7 (unit: mm) Outline dimensions Mounting hole Hole Fixing Drive model (mm) distance (mm) diameter screw MH860A-S092TF7 MH860A-S115TF7 ø9...
  • Page 14 MH860A series hydraulic servo drive Product overview Figure 2-6 Dimensions of MH860A-S045TF7 – S150TF7 H1 H2 Figure 2-7 Dimensions of MH860A-S180TF7 – S215TF7 Table 2-3 Flange mounting dimensions for MH860A-S018TF7 – S215TF7 (unit: mm) Outline dimensions Mounting hole distance (mm)

  • Page 15: Motor Nameplate

    MH860A series hydraulic servo drive Product overview Outline dimensions Mounting hole distance (mm) Hole Fixing Drive model (mm) diameter screw MH860A-S180TF7 418.5 80.5 389.5 361 14.2 149.5 ø10 MH860A-S215TF7 2.7 Motor nameplate 2.8 Motor model description SV - I H 20 - 011 C - 4 - 7 A 0 - 1 M10...

  • Page 16: Motor Specifications

    MH860A series hydraulic servo drive Product overview Field Symbol Description Naming example ⑧ Encoder type 7: 12 bit retoary transformer Shaft end A: (Standard) Solid with threaded hole and key ⑨ Configuration connection B: Solid plain shaft information 0: With oil seal but no brake ⑩...

  • Page 17: Motor Installation Dimensions

    MH860A series hydraulic servo drive Product overview Item Description Max. impact 50m/s lasts for 30ms -25° C – +60° C (No freezing) Storage temperature -20° C – +40° C (No freezing. Derating is required if the Running environment temperature temperature exceeds 40° C.) Running environment 20%–90% (No condensation)
  • Page 18 MH860A series hydraulic servo drive Product overview Model SV-IH20-011C-4-7A0 SV-IH20-013C-4-7A0 SV-IH20-016E-4-7A0 SV-IH20-018C-4-7A0 SV-IH20-022E-4-7A0 SV-IH20-025C-4-7A0 SV-IH20-030E-4-7A0 SV-IH26-035E-4-7A0 SV-IH26-037C-4-7A0 SV-IH26-041E-4-7A0 SV-IH26-043C-4-7A0 SV-IH26-048E-4-7A0 SV-IH26-056E-4-7A0 SV-IH26-064E-4-7A0 -13-...

  • Page 19: Mechanical Installation

     Without direct sunlight  Lower than 1000m  When the altitude exceeds 1000m, derate 1% for every increase of 100m. Altitude  When the installation site altitude exceeds 3000m, consult the local INVT dealer or office. Vibration Max. vibration ACC: 5.8m/s (0.6g)

  • Page 20: Installing The Drive

    MH860A series hydraulic servo drive Mechanical installation 3.2 Installing the drive 3.2.1 Installation direction The drive can be installed on the wall or in a cabinet. The drive must be installed vertically. Check the installation position according to following requirements. For details, see section 2.6 Dimensions of drive.

  • Page 21: Single-Unit Installation

    MH860A series hydraulic servo drive Mechanical installation Step 4 Tighten the screws. Note: The flange mounting plate must be used for flange mounting. 3.2.3 Single-unit installation Hot air Cold air Figure 3-3 Single-unit installation Note: For clearances A and B, each must be 100mm at least. The clearance C must be 200mm at least.

  • Page 22: Disassembling/Assembling The Junction Box Of Drive

    MH860A series hydraulic servo drive Mechanical installation Ventilation fan Ventilation fan Cooling air Cooling air In cabinet In cabinet (Correct installation method) (Incorrect installation method) Figure 3-5 Ventilation fan installation position 3.3 Disassembling/assembling the junction box of drive To disassemble the junction box of drive (for example, MH860A-S038TF7), do as follows: Step 1 Loosen and remove the screws of the junction box.

  • Page 23: Installing The Motor

    MH860A series hydraulic servo drive Mechanical installation 3.4 Installing the motor To ensure safe and stable running of motor, install the motor according to the following instructions. Install the motor in the horizontal or vertical direction. When connecting to machinery, it is recommended to use a coupling and keep the axis of motor in a straight line with the axis of machinery.
  • Page 24 MH860A series hydraulic servo drive Mechanical installation Figure 3-6 Installing the motor Name Name Name ② ③ ① O-shaped rubber seal Coupling assembly Spring pad ④ ⑤ ⑥ Plain washer Motor flat key Pump flat key ⑦ ⑧ ⑨ Spring washer...

  • Page 25: Electrical Connection

    MH860A 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 26: Switch, Contactor, And Cable Selection

    MH860A series hydraulic servo drive Electrical connection 4.2 Switch, contactor, and cable selection Table 4-1 Recommended cable size Control Main circuit Power circuit incoming contactor Recommended cable size (mm Fasten- Recom- Drive model circuit AC3 rated mended Recommended Recommended breaker...

  • Page 27: Terminal Layout

    MH860A series hydraulic servo drive Electrical connection 4.3 Terminal layout CN13 kaypad interface A CN1 keypad inerface B CN9 expansion card interface CAN communication interfa ce board CN3 CAN communication terminal CN8 control circuit terminal CN12A resolver terminal CN12B externla HMI terminal...

  • Page 28: Standard Wiring

    MH860A series hydraulic servo drive Electrical connection 4.4 Standard wiring Servo drive CN8 control CN10 main Pressure sensor circuit terminals circuit terminals Pressure feedback input Braking Signal ground resistor Pressure sensor power supply PE/GND Power input 380V System Flow reference...

  • Page 29: Jumper Function

    MH860A series hydraulic servo drive Electrical connection shielded cables for all analog signal cables and motor three-phase input cables, with the shield layer grounded.  When using the analog and digital output ports, ensure that the output load resistance is large enough so that the output current is less than the designated value.

  • Page 30: Main Circuit Wiring

    MH860A series hydraulic servo drive Electrical connection PCB board Position Function Position Function name The default AO2 AO1 output is output is voltage current type (0– type (0–10V) 20mA) Enables the GND Enables the GND terminal to connect terminal to...
  • Page 31 MH860A series hydraulic servo drive Electrical connection Figure 4-5 Main circuit terminal diagram for 3PH 380V 15–18.5kW (unit: mm) Figure 4-6 Main circuit terminal diagram for 3PH 380V 22kW (unit: mm) Figure 4-7 Main circuit terminal diagram for 3PH 380V 30–37kW (unit: mm) Figure 4-8 Main circuit terminal diagram for 3PH 380V 45–75kW (unit: mm)

  • Page 32: External Hmi Terminals And Resolver Terminals

    MH860A series hydraulic servo drive Electrical connection Figure 4-9 Main circuit terminal diagram for 3PH 380V 90–110kW (unit: mm) Terminal Terminal name Function symbol Main circuit power input terminals R, S, T AC380V(-15%)–440V(+10%) 47Hz–63Hz Motor connection terminals U, V, W Connect to the motor.

  • Page 33: Motor Power Cable And Temperature Measuring Resistor Terminals

    MH860A series hydraulic servo drive Electrical connection Signal name Symbol Function Communication power supply +5VA CN12B-4,8 5V power supply. Max. output current: 200mA. Accuracy: ± 5％ GND_5VA CN12B-5,9 CN12A resolver terminal Signal name Symbol Function Resolver sine input + Sin+...

  • Page 34: Motor Resolver Connection Cable And Terminals

    MH860A series hydraulic servo drive Electrical connection Name Definition Motor three-phase inputs Temperature measuring resistor Fan power supply, 220V AC Grounding 4.6.4 Motor resolver connection cable and terminals A-direction view B-direction view Figure 4-13 Motor resolver connection cable and terminals...

  • Page 35: Wiring Procedure For Main Circuit Terminals

    MH860A series hydraulic servo drive Electrical connection Servo drive Ferrite magnet ring (Two circles in the Servo motor same direction) Electromagnetic Shielded cable contactor Input filter Resolver Temperature Input reactor measuring resistor Shielded Ferrite magnet ring cable (Two circles in the...
  • Page 36 MH860A series hydraulic servo drive Electrical connection Figure 4-15 Control circuit terminals Description of control circuit terminals: Terminal Terminal Category Function name symbol Analog input 1 Input range: 0–10V, 12bit resolution, (default flow CN8-16 calibration accuracy 0.5%; Input impedance: 24kΩ.
  • Page 37 MH860A series hydraulic servo drive Electrical connection Terminal Terminal Category Function name symbol PT1000, and PTC130 types. You can change the motor temperature sensor type through the LED panel. Then the hardware circuit automatically selects corresponding temperature sensor detection circuit.
  • Page 38 MH860A series hydraulic servo drive Electrical connection Terminal Terminal Category Function name symbol DI5 default terminal function: PID terminal 1 DI6 default terminal function: PID terminal 2 Stepped parameter selection Digital input 5 CN8-5 single-pump pressure (4 steps) KP No.

  • Page 39: Typical Control Signal Wiring Examples

    MH860A series hydraulic servo drive Electrical connection 4.7.2 Typical control signal wiring examples Servo drive Pressure sensor CN8 control circuit terminal Green Output * / * Black/Blue Ground Power System controller Flow reference 0-10V * / * Pressure reference 0-10V...

  • Page 40: Analog Output Circuit

    MH860A series hydraulic servo drive Electrical connection Shielded Twisted cable pair Drive Figure 4-18 Pressure feedback input diagram 4.8.2 Analog output circuit Analog output signals (AO1, AO2) are output from the OPA, with which the GND makes up an output circuit. You can select internal parameter output through the LED panel. By default, AO1 is pressure output, while AO2 is motor speed output.Output range: 0–10V or 0–20mA,...

  • Page 41: Digital Output Circuit

    MH860A series hydraulic servo drive Electrical connection Wiring when using the local-provided power supply: On the drive side On the drive side On the drive side On the drive side Active low Active high Figure 4-21 Digital output diagram Note: ...

  • Page 42: Can Communication Card

    MH860A series hydraulic servo drive Electrical connection Wiring method using the local-provided power supply: Connect a free-wheeling Connect to a current limit diode if an inductive load resistor if an optical coupler Drive side Drive side is connected. is connected.

  • Page 43: Ethercat Communication Card (Ec-Tx508)

    MH860A series hydraulic servo drive Electrical connection 4PIN terminal Terminal Name Symbol Function CAN communication port 1 is used to connect multiple drives in multi-pump parallel connection system. It supports CAN1 CN3-1 standard CAN protocol signal, using communication CN3-2 the optocoupler for isolation, and internally connects to a 120Ω...
  • Page 44 MH860A series hydraulic servo drive Electrical connection Status indicator The EtherCAT communication card provides four LED indicators and four net port indicators to indicate its states, see Table 4-4. Table 4-4 Indicator definition table Name Color Meaning Indicates the EtherCAT running state.

  • Page 45: Operating Through The Led Panel

    MH860A series hydraulic servo drive Operating through the LED panel 5 Operating through the LED panel 5.1 LED keypad introduction The keypad is used to control the drives, read drive status, and set parameters. See the following figure. Figure 5-1 Film keypad...
  • Page 46 MH860A series hydraulic servo drive Operating through the LED panel Name Display Description Digital display Five-digit LED displays various monitoring data and alarm codes such as zone the speed feedback and pressure feedback. Digital Used for input voltage regulation. potentiometer...

  • Page 47: Led Panel Functions

    MH860A series hydraulic servo drive Operating through the LED panel Display Means Display Means Display Means Display Means Display Means Display Means Keypad display: When the drive is powered on, the LED turns on. The LED digital value displays the motor rotation speed (rpm) by default, accurate to the ones place.

  • Page 48: Shortcut Mode

    MH860A series hydraulic servo drive Operating through the LED panel Quick setup mode (Exx): used to set key parameters and debug the motor. Monitoring mode (dxx): used to display status parameters. Setup mode (Fxxx): used to set basic parameters. Debug mode (hxx): used to debug the motor and save parameters.

  • Page 49: Quick Setup Mode

    MH860A series hydraulic servo drive Operating through the LED panel SHIFT the LED displays the values of selected parameters. If you press the key, the LED SHIFT displays the next parameter ID. If you release the key, the LED displays the parameter value.
  • Page 50 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit INVT motor model selection After the access, the LED displays Select the sequence number at the first two places, and select the motor model code at the last three places.
  • Page 51 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit the previous resolver offset. Press and hold the DATA key and then release it to measure the initial angle. If the LED displays measuring is being performed. If the measuring is completed, the LED displayed the actual measured offset.
  • Page 52 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Full pressure scale range calibration DATA Press and hold the key and then release it for access. Then the LED displays the actual pressure reference analog value. After confirming...
  • Page 53 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit LED displays Jogging DATA Press and hold the key and then release it to enter the jogging mode. Then the LED displays : Jog forward , prompting you to jog.
  • Page 54 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit sensor Pressure proportional gain DATA Press and hold the key and then release it for access. Press the key to set [0,32767] 13000 DATA parameters. Press and hold the key and then release it for setup.
  • Page 55 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit for access. Press the key to set DATA parameters. Press and hold the key and then release it for setup. You can press the key to exit and return to the "Exx" menu.

  • Page 56: Monitoring Mode

    MH860A series hydraulic servo drive Operating through the LED panel 5.2.4 Monitoring mode 1. If you press the key to select the monitoring mode, the value places on the LED SHIFT display "d--xx", in which "xx" indicates a parameter ID. You can press the key to select a parameter ID.
  • Page 57 MH860A series hydraulic servo drive Operating through the LED panel CODE NAME RANGE UNIT version System max. [0500,0] pressure System max. [0,2400.0] L/min flow Power [0.00,327.67] 0: Single pump. 1: Hybrid. 2: Multiple pumps. 3: Multiple Combining type modes. 4: Communication with two models...

  • Page 58: Setup Mode

    MH860A series hydraulic servo drive Operating through the LED panel CODE NAME RANGE UNIT accumulative power consumption Five high bits of accumulative 1000 [0,9999] power consumption Motor power [0,1.00] factor 5.2.5 Setup mode 1. If you press the key to select the setup mode, the LED value places display "F--xxx", SHIFT in which "xxx"...
  • Page 59 MH860A series hydraulic servo drive Operating through the LED panel  Drive setup flowchart: Scroll to display model Select model DATA Any key DATA DATA "3" blinking DATA Press and hold to save "3" not blinking  Motor setup flowchart:...
  • Page 60 MH860A series hydraulic servo drive Operating through the LED panel Table 5-1 Drive model table Drive selection SN LED display mode Drive model Drive model code A-018 MH860A-S018TF7 A-025 MH860A -S025TF7 A-032 MH860A -S032TF7 A-038 MH860A -S038TF7 A-045 MH860A -S045TF7...
  • Page 61 MH860A series hydraulic servo drive Operating through the LED panel Motor selection Temperature winding Motor model Model code Brand resistor model IH26-035E-4 INVT Pt1000 IH26-037C-4 INVT Pt1000 IH26-041E-4 INVT Pt1000 20M80C17C INVT KTY84-130 20M98C17C INVT KTY84-130 20M11D17C INVT KTY84-130 20M15D17C...
  • Page 62 MH860A series hydraulic servo drive Operating through the LED panel Table 5-3 Oil pump model table Oil pump Displacement Oil pump model Default max. flow selection SN mL/r PUMP 018 mL/r 40 L/min PUMP 025 mL/r 55 L/min PUMP 028 mL/r...
  • Page 63 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Pump model For details, see the oil 19.100 F002 selection pump model table. Pressure feedback 0: No calibration F003 zero calibration 1: Calibration Pressure calibration...
  • Page 64 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit the LED 5: Fold-line point 2 displays 0, the 6: Fold-line point 3 calibration 7: Fold-line point 4 succeeds; if 8: Fold-line point 5 the LED...
  • Page 65 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit pressure reference corresponds to the recently set pressure full scale range value. Full flow scale range This value also determines the max. flow. In addition, it...
  • Page 66 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Pressure proportional F025 [0,32767] 13000 gain 2 Pressure integral gain F026 [0,32767] F027 Reserved Pressure proportional F028 [0,32767] 13000 gain 3 Pressure integral gain F029...
  • Page 67 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Wobble-disk F047 switchover pressure [0, 500.0] threshold Displacement F048 pressure judging [0,32767] delay 0: Pressure reference 1: Pressure feedback 2: Flow reference 3: Flow feedback...
  • Page 68 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit F053 AO2 max. value [-32767,32767] 16384 F054 AO2 min. value [-32767,32767] -16384 F055 AO output [-32767, 32767] Rise delay of F056 wobble-disk [0,32767] switchover Fall delay of...
  • Page 69 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit information at a fault: DC voltage (V) speed feedback (rpm) , torque feedback (Nm) , fault time (hour) , fault time (minute) , phase-A current (Apk)
  • Page 70 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit displays . If the writing failed, the LED displays Password for keypad F069 [0,99999] 00000 unlocking F070 Motor rated voltage [0800] F071 Motor rated current [0900]...
  • Page 71 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit protection@ Bus undervoltage F090 [0,30000] protection @time Bus undervoltage F091 [0,1000] protection Bus undervoltage F092 protection for pipe [0,1000] opening AC overvoltage F093 [0,1000] protection@...
  • Page 72 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Forward speed F104 [0,6000] 2700 protection value Reverse speed F105 [-6000,0] -2700 protection value Overpressure F106 [0, 500] protection threshold Pressure sensor fault F107 [0,32767]...
  • Page 73 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit coefficient Motor autotuning 0: Forward F123 direction 1: Reverse 018→7.50 025→11.00 032→15.00 038→18.00 045→22.00 060→30.00 F124 Drive rated power [0.00,327.67] 075→37.00 092→45.00 115→60.00 150→75.00 180→90.00 215→110.00...
  • Page 74 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Flow reference rise 0.07324 F131 [0,32767] 16000 slope (L/min)/ms Flow reference fall 0.07324 F132 [0,32767] 16000 slope (L/min)/ms Braking resistor fault 0: Disable F133 detection...
  • Page 75 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Retaining-pressure F150 feedforward cut-in [-6000,6000] speed Retaining-pressure F151 feedforward cut-in [0, 500] pressure Retaining-pressure F152 [0,32767] feedforward gain Voltage in full F153 [0,11.00] 9.99 pressure scale range...
  • Page 76 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit 14: Enabling unit follow-up 15: Internal reference 1 16: Internal reference 2 17: Internal reference 3 18: Slave node address selection 1 19: Slave node address...
  • Page 77 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Integral 1 of F178 depressurization [0,32767] pressure drop P Enabling 0: Disable F179 depressurization 1: Enable speed PI Depressurization F180 [0,32767] 6000 speed proportion 0...
  • Page 78 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Self-depressurization F192 [0,32767] startup delay Self-depressurization F193 [0,32767] shutdown delay Pressure at self-depressurization F194 [0,500] low-pressure switch-on Pressure at self-depressurization F195 [0,500] low-pressure switch-off Pressure forward...
  • Page 79 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Multi-step F206 depressurization [0,32767] 6000 speed proportion Multi-step depressurization [0,32767] F207 speed integral Depressurization pressure PI fall [0,500] F208 threshold Low-pressure reverse [-6000,6000] -300 F209...
  • Page 80 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Encoder pole pairs [1,64] F221 D-axis inductance 0 Model [0,327.67] F222 of SM depended D-axis inductance 1 Model [0,327.67] F223 of SM depended D-axis inductance 2 Model [0,327.67]...

  • Page 81: Debug Mode

    MH860A series hydraulic servo drive Operating through the LED panel 5.2.6 Debug mode 1. If you press the key to select the debug mode, the LED displays "h--xx", in which "xx" indicates a parameter ID. You can press the key to select a parameter ID.
  • Page 82 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit 4: CANopen communication input 5: EtherCAT communication input 6: Internal reference 7: PROFINET communication input Flow reference (Process command [0, Max. flow] L/min mode is...

  • Page 83: Multi-Pump Mode

    MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Reserved [0，100.0] Internal pressure [0，100.0] reference 0 Internal pressure [0，100.0] reference 1 Internal pressure [0，100.0] reference 2 Internal pressure [0，100.0] reference 3 Internal pressure [0，100.0]...
  • Page 84 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit pipes 1: Open enabling of drive 0: Single pump 1: Hybrid 2: Multiple pumps 3: Multiple modes Combining type 4: Communication with two models 5: Communication with four models Node No.
  • Page 85 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit Multi-pump pressure [0,32767] 8000 proportional gain 3 Multi-pump pressure [0,32767] integral gain 3 [0,32767] Depressurization A smaller value indicates overshoot greater suppression suppression factor 0: Invalid...
  • Page 86 MH860A series hydraulic servo drive Operating through the LED panel Code Definition Range Default Unit pressure boost P Integral 0 of depressurization [0,32767] pressure boost P Proportion 1 of depressurization [0,32767] 8000 pressure boost P Integral 1 of depressurization [0,32767]...

  • Page 87: Commissioning

    MH860A 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 Pressure control commissioning 6.1.1 Flowchart Oil pump model Installation/ Disconnection of run Motor model selection...
  • Page 88 MH860A series hydraulic servo drive Commissioning sensor F075 to the model used by the motor and set motor type F217 to the type of motor used. For example: F075 = 2 (KTY84) F217 = 1 (Salient pole PMSM） 6.1.2.4 Motor parameter autotuning If you use a motor exclusive from Table 5-2 Motor model table, perform motor parameter autotuning first.
  • Page 89 MH860A series hydraulic servo drive Commissioning If the drive reports an alarm during testing, find out the cause, handle the problem, and then continue the autotuning. 6.1.2.5 Measure the motor initial angle. If you have completed motor parameter autotuning, you do not need to measure the motor initial angle.
  • Page 90 MH860A series hydraulic servo drive Commissioning F011=System flow, example: 200 F106=Pressure protection threshold (default: 195). If the system pressure exceeds 195, the default value should be changed. Nominal flow and pressure reference calibration Parameters Name Description Voltage in full F153 Max.
  • Page 91 MH860A series hydraulic servo drive Commissioning retaining. Set the flow reference to 80% on the upper computer, and gradually increase the pressure reference to max. pressure required. View "Pressure feedback" and "Speed feedback".  If the actual system pressure cannot reach the set pressure, check the oil path for leakage.
  • Page 92 MH860A series hydraulic servo drive Commissioning Code Definition Range Default Unit F018 Pressure reference fall slope [0,32767] 16000 0.007629 bar/ms F131 Flow reference rise slope [0,32767] 16000 0.07324 (L/min)/ms F132 Flow reference fall slope [0,32767] 16000 0.07324 (L/min)/ms Set multi-step speed/pressure PI.
  • Page 93 MH860A series hydraulic servo drive Commissioning Pressure PI adjustment: Code Definition Setting Range Default Enabling multi-step PI of 0: Disable F140 pressure 1: Enable Settings for the single-pump or flow splitting type: Pressure proportional Increasing pressure [0,32767] 13000 F019 gain 0...

  • Page 94: Speed Mode Commissioning

    MH860A series hydraulic servo drive Commissioning The oil pressure control diagram of a single pump is shown as follows. The gain parameters that can be adjusted in the process mode are marked in the diagram. Pressure/flow command F150 F151 F017...

  • Page 95: Multi-Pump Combined Flow Control

    MH860A 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 96: Multiple Pumps

    MH860A 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 97: Hybrid

    MH860A series hydraulic servo drive Multi-pump combined flow control Multi-pump systematic wiring diagram: Slave servo drive 1 Slave servo drive 2 Pressure sensor Green Output * / * Black or blue Ground Power System controller Flow reference 0~10V * / *...

  • Page 98: Multiple Modes

    MH860A 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 Figure 7-4 Hybrid method systematic diagram 7.4 Multiple modes The hydraulic servo system consists of three nodes, of which each node consists of one or more single-pump systems.

  • Page 99: Communication With Two Models

    MH860A 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 100 MH860A series hydraulic servo drive Multi-pump combined flow control P34 (CAN slave-node address 1) and P35 (CAN slave-node address 2): used to select a 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.

  • Page 101: Communication With Four Models

    MH860A series hydraulic servo drive Multi-pump combined flow control P35 (CAN slave-node address 2) = 15 (0x000f) The four nodes combine the flow to work. 7.6 Communication with four models In this mode, there is one master node (single-pump system), and multiple slave nodes (of which each is also a single-pump system).
  • Page 102 MH860A series hydraulic servo drive Multi-pump combined flow control Figure 7-2 Wiring diagram for communication with four models Example: The hydraulic system has four oil pumps, with the addresses set to 0, 1, 2, and 3. There may be four types of action combination: Combination 1: Nodes 0 and 1 combine the flow, while nodes 2 and 3 split the flow and serve as the master nodes.
  • Page 103 MH860A series hydraulic servo drive Multi-pump combined flow control Displayed Initial Name Description Unit code value node, you need to set the number of slave nodes, the flow switch-in threshold, and the flow switch-in hysteresis upper limit and lower limit. Then, execute the network enabling command in a sequence from slave nodes to master nodes.

  • Page 104: Multi-Pump Control Mode Settings

    MH860A series hydraulic servo drive Multi-pump combined flow control Displayed Initial Name Description Unit code value Multi-pump Step 0 of integral parameter for multi-pump pressure integral pressure PID control gain 0 Multi-pump Step proportion parameter pressure 8000 multi-pump pressure PID control...

  • Page 105: Flow Calibration

    MH860A series hydraulic servo drive Multi-pump combined flow control Set P04 (Slave count). Set the number of slave nodes. (It is mandatory for node 0; skip the operation for other nodes.) Set multi-pump flow. Set P06 (Flow switch-in threshold), which is usually set to 25%.

  • Page 106: Troubleshooting

    MH860A 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 107 MH860A series hydraulic servo drive Troubleshooting Code Name Definition Code Name Definition motor The system pressure rotation speed System exceeds Err13 Err14 REV overspeed exceeds overpressure overpressure reverse speed protection threshold. protection value. The pressure sensor Pressure sensor Braking pipe...
  • Page 108 MH860A series hydraulic servo drive Troubleshooting Code Name Definition Code Name Definition current sampling phase-B value fluctuates current sampling greatly. value fluctuates greatly. When the drive is When the drive is tested Phase-A current tested in diagnosis Phase-B current diagnosis...
  • Page 109 MH860A series hydraulic servo drive Troubleshooting Code Name Definition Code Name Definition current does not follow, timeout occurs. During motor parameter During motor autotuning parameter diagnosis mode, the autotuning number of motor pole Phase Motor diagnosis mode, pairs is calculated...

  • Page 110: Fault Handling Flowcharts

    MH860A 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 111 MH860A 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 112 MH860A 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 motor-side shield layer. If through the debug menu and check...
  • Page 113 MH860A 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,...
  • Page 114 MH860A 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 115 MH860A 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 116 MH860A series hydraulic servo drive Troubleshooting  Err18: EEPROM error Err18 Is the fault about restoring to default parameters values cleared? again. Contact the local dealer or our technical support.  Err21: Braking resistor overload Err21 Remove the Is the braking resistor wiring correct? wiring fault.
  • Page 117 MH860A series hydraulic servo drive Troubleshooting  Err25: RS485 communication fault Err25 Is the RS485 communication wiring Remove the incorrect? wiring fault. Are process command mode parameter Correct settings correct? (Alarm in continuous RS485 parameter communication input) settings. Does the control system run properly when...
  • Page 118 MH860A series hydraulic servo drive Troubleshooting  Err33: Resolver sampling fluctuation fault Err33 Remove the Intereference interference. Replace the Resolver cable in poor contact resolver cable. Replace the Resolver board fault resolver board. Contact the local dealer or our technical support.
  • Page 119 MH860A series hydraulic servo drive Troubleshooting  Err38: DC voltage sampling fluctuation fault Err38 Check the power AC voltage unstable line. Replace the AD sampling channel fault control board. Remove the Interference too great interference. Contact the local dealer or our technical support.
  • Page 120 MH860A series hydraulic servo drive Troubleshooting  Err41: Flow reference sampling fluctuation fault Err42: Pressure reference sampling fluctuation fault Err41 Err42 Upper computer analog signal Detect the upper reference fault computer. Replace the AD sampling channel fault control board. Remove the Interference too great interference.
  • Page 121 MH860A series hydraulic servo drive Troubleshooting  Err49: Encoder initial angle measuring fault Err49 Detect the motor Motor wiring problem wiring. Replace the AD sampling channel fault control board. Replace the Current sensor fault controller. Remove the Interference too great interference.
  • Page 122 MH860A series hydraulic servo drive Troubleshooting  Err51: Motor resistance test fault Err51 Detect the motor Motor wiring problem wiring. Replace the AD sampling channel fault control board. Replace the Current sensor fault controller. Remove the Interference too great interference.
  • Page 123 MH860A series hydraulic servo drive Troubleshooting  Err53: Motor parameter static test fault Err53 Motor nameplate parameter Re-input motor input error parameters. Contact the local dealer or our technical support.  Err54: Diagnosis interrupted Err54 The control board reports an Replace the error.

  • Page 124: Common Faults And Solutions

    MH860A series hydraulic servo drive Troubleshooting  Err57: EEPROM fault in EtherCAT communication Err57 Use a tool such as TwinCAT To EtherCAT EEPROM has no data download the xml File to or fails to read data. EtherCAT EEPROM. Contact the local dealer or our technical support.
  • Page 125 MH860A series hydraulic servo drive Troubleshooting Fault Possible cause Solution selected. in good contact and the short  Control board terminal fault. connection method is correct.  Ask for manufacturer service.  Resolver  Perform correct wiring. wires poor  Replace the motor or check for contact.

  • Page 126: Maintenance And Inspection

    MH860A 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 127: Replacement Of Wearing Parts

    MH860A series hydraulic servo drive Maintenance and inspection An improper insulation test method may damage the drive. You are not advised to perform the insulation test by yourself. 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 128: Accessories

    MH860A series hydraulic servo drive Accessories 10 Accessories 10.1 Noise filter model selection Table 10-1 Mapping between drive models and noise filter models Magnet ring Input reactor Drive model Filter configuration configuration configuration MH860A-S018TF7 Small 63*38*25 MH860A-S025TF7 MH860A-S032TF7 Small 63*38*25...
  • Page 129 MH860A series hydraulic servo drive Accessories with higher power may be needed when the motor brakes frequently. In this situation, you can order the braking resistor with small resistance but high power. The external braking resistor must be installed in a well-ventilated area, away from combustible objects or non heat-resistant parts.
  • Page 130 MH860A series hydraulic servo drive Accessories Air outlet >30mm >100mm >30mm >30mm >30mm >30mm Air inlet Figure 10-2 MH860A-S092TF7 – S150TF7 drive and braking resistor layout Air outlet >100mm >30mm >30mm >30mm >30mm >30mm >30mm Air inlet Figure 10-3 MH860A-S180TF7 – S215TF7 drive and braking resistor layout...

  • Page 131: Pressure Sensor Model Selection

    MH860A series hydraulic servo drive Accessories 10.3 Pressure sensor model selection Pressure sensor terminal Black/blue Green Yellow Figure 10-4 Pressure sensor diagram COLOR NAME DEFINITION 15V power supply Black/Blue Pressure analog signal output Green Yellow Ground wire Note: The raw tape is used to seal the connection between the pressure sensor and the oil path.
  • Page 132 6 6 0 0 1 - 0 1 1 2 0...

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