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DNH DHVC5000 Series Use Manual

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DHVC5000 Se ries MVC
USE'S MANUAL

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  • Page 1 DHVC5000 Se ries MVC USE’S MANUAL...
  • Page 2 Prior to use,please read this user’s manual carefully. CAUTION:Please keep this user’s manual for future reference.
  • Page 3 DHVC500 Series MVC USER’S MANUAL English Version V1.1 Jiaxing DNH Electronic Science&Technology Co.,Ltd...

  • Page 4: Thanks For Using The Product

    Thanks for using the product Please read the manual carefully before using(install, operation, maintenance, checking) the product. The manual is used for routine maintenance and check as well as the analysis of abnormal phenomenon. MVC operation manual, version No.:V1.0.0...

  • Page 5: Table Of Contents

    Content Thanks for using the product ......................1 Chapter 1 Human-Machine Interface ................... 4 1.1 Log-In ............................. 4 1.2 Main Screen ........................... 5 1.2.1 Control Button Area ......................5 1.2.2 Function Button Area ....................... 7 1.2.3 State Display Area ......................7 1.3 Parameter Setup Screen .......................
  • Page 6 2.1.1 Check And Screw Fastenings ..................31 2.1.2 Connect Control Power Supply ..................31 2.1.3 Display Confirmation of State ..................31 2.1.4 Basic Parameter Settings ....................32 2.1.5 Control Mode Selection ....................32 2.1.6 Main Circuit Power Supply Connection ................ 33 MVC Start Process ......................

  • Page 7: Chapter 1 Human-Machine Interface

    1 Chapter 1 Human-Machine Interface DHVC HMI adopts MCGS configuration software, which is used for the communication with the control system to realize the visual display system, so that the user may monitor operating conditions and failure alarms more intuitively. The monitoring system uses HMI which has a clear view of the MVC parameters, fault records etc.

  • Page 8: Main Screen

    1.2 Main Screen The Main Screen is shown in Fig.1-2: Fig.1-2 Main Screen The main screen has four parts: a control button area, state display area, function button area and user log-in button. 1.2.1 Control Button Area The control button area is located on the right side of main screen, including the control buttons for reset, stop, start and one button for emergency stop.
  • Page 9 Table 1-1 Control Buttons and Their Functions Button Function Color Blue, reset button may be Control Button used Reset Clear MVC fault, charge the MVC, meet ready state Gray, reset button may not be used Green, start button may be Control Button used After the MVC is ready, click ‘Start’...

  • Page 10: Function Button Area

    Fig.1-5 Stop Button Pop-Up Box 1.2.2 Function Button Area The function button area is located at the bottom of the main screen and includes six function buttons: Parameter (Parameter Settings); Real-Time (Real Time-Data); History (Historical Data); Wave (Waveform Display); System (System Configuration) and Help. As shown in Fig.1-6: Fig.1-6 Function Buttons Click the relevant button to enter the corresponding function menu.
  • Page 11 Fig.1-7 State Display Area The time display column displays the current time. The MVC ‘Given Freq’ value may be set (effective only during local control) by clicking the ‘Given Freq’ value text, the frequency setup popup box will open allowing the frequency value to be entered as required, this will take effect immediately after clicking the’Ok’...

  • Page 12: Parameter Setup Screen

    The Given Freq column displays the given speed of current MVC load. 1.3 Parameter Setup Screen Click the ‘Parameter Settings’ button on the Main Screen to enter the Parameter Setup Screen. Click the top left button to set the MVC speed regulation parameters,control parameters, vector parameters, motor parameters, communication parameters and sensor parameters.
  • Page 13 Fig.1-10 data input dialog box Fig.1-11 Shows the frequency skipping settings in the speed regulation parameters. The frequency skipping upper limit, frequency skipping lower limit, minimum frequency and maximum frequency may be changed for a smooth transition of the variable frequency speed regulation system at resonance point.
  • Page 14 Fig.1-12 V/F Curve Setting When the MVC control mode is vector control, the V/F curve settings in the speed regulation parameters is shown in Fig.1-13: Fig.1-13 Vector V/F Curve Setting Fig.1-14 Shows the flying control setting and process PID closed loop settings in speed regulation parameters.

  • Page 15: Control Parameters

    Fig.1-14 Flying and PID setting 1.3.2 Control Parameters Click the ‘Control’ button on the Parameter Setup Screen to set the MVC control parameters, as shown in Fig.1-15: Fig.1-15 Control Parameter Window Click the ‘Motor Direction’ and then select ‘Forward’, and then motor will forward running’; on the contrary, if you select ‘Reverse’, motor will reverse running.

  • Page 16: Vector Parameters

    by MODBUS communication. Click remote frequency preset mode,select‘analog’,frequency preset may be set by external 4-20mA analog signal;select‘communication’, frequency preset may be set by MODBUS communication. Click working mode,select‘converter’,then the motor running may be controlled by MVC; select‘grid’,motor running by grid connection. Thereinto,the function may be switched automatic after grid connection.
  • Page 17 in Fig.1-18 and Fig.1-19: Fig.1-18Synchronous Motor Vector Parameters Window (1) Fig.1-19 Synchronous Motor Vector Parameters Window (2) The vector instantaneous starting parameter window is shown as Fig.1-20 Fig.1-20 Vector Instantaneous Starting Parameter Window...

  • Page 18: Motor Parameters

    1.3.4 Motor Parameters Click the ‘Motor’ button on the Parameter Setup Screen to set the MVC motor parameters, as shown in Fig.1-21. Set according to actual MVC and motor nameplate. Fig.1-21Motor Parameters Window 1.3.5 Communication Parameters Click the ‘Communication’ button on the Parameter setup Screen to set the MVC communication parameters, as shown in Fig 1-22: For MODBUS protocol communication, the baud rate of2400, 4800, 9600, 14400, 19200, and 38400 are supported, the slave addresses (0-255) may be set to an integer value more than or...

  • Page 19: Sensor/Measurement Range

    1.3.6 Sensor/Measurement Range Click the ‘Sensor Measurement Range’ button on the Parameter Setup Screen to set the MVC sensor parameters, click Page Down and Page up to flip over in each screen，as shown in Fig.1-23 and Fig.1-24: Fig.1-23 Sensor Setup Window (1) Fig.1-24 Sensor Setup Window (2) 1.4 Real Time Data Screen Click the ‘Real-Time’...

  • Page 20: System State

    1.4.1 System State Click the ‘System State’ button on the Real-Time Data Screen to view the MVC three-phase input voltage value, output voltage value, input current value, output current value, bus voltage value, the state of the input switchgear and the state of output switchgear, as shown in Fig.1-25: Fig.1-25 System State Screen If a bypass cabinet is included in the MVC system, click ‘Parameter -- Control –...

  • Page 21: Inverter Unit State

    1.4.2 Inverter Unit State Click the ‘Inverter State’ button on the Real-Time Data Screen to view the inverter unit state, as shown in Fig.1-27: Fig.1-27 U Phase Inverter Unit State Screen As shown in the figure above, when the inverter unit does not work, all of the corresponding icons in the table are grey.

  • Page 22: Digital Port State

    1.4.3 Digital Port State Click the Digital State Button on the Real Data screen to view the digital input state and digital output state. Click Page Down and Page up to flip over in each screen. as shown in Fig.1-28: Fig.1-28 Digital Input State Screen In Fig.1-28, the 20 digital inputs corresponding to the 20 input relays in the MVC are shown.

  • Page 23: Analog Port State

    Digital Output state Indicator Lamp is grey. Output function shall refer to actual factory delivery project design,all above only for reference. 1.4.4 Analog Port State Click the ‘Analog State’ button on the Real-Time Data Screen to view the MVC Analog Input State and Analog Output State.

  • Page 24: Data State

    1.4.5 Data State Click the ‘Data State’ button in the Real-Time Data Screen to view the MVC data state, as shown in Fig.1-32. As an example, some of the Real-Time Critical Data and Module Information for an industrial lift (load) MVC vector control is shown in Fig.1-32. Fig.1-32 Data State Window 1.4.6 Synchronoscope If the MVC is used on a site where the grid connection function is required, and the...

  • Page 25: Historical Data Screen

    1.5 Historical Data Screen Click the ‘History ‘button on the Main Screen to enter the Historical Data Screen as shown in Fig.1-34. Click the upper left button in History Data Screen to view the fault record, alarm record, operation record and running time of MVC; Click the Main Menu and return to the Home page. The History Data Screen access authority is granted to: operator, commissioning personnel, and administrator.

  • Page 26: Alarm History

    In Fig.1-35, click the ‘Start Time’ or ‘End Time’ text will cause a time setting dialog box to pop up, as shown in Fig.1-36. The time value inputted should be consistent with that shown in Fig.1-36. Fig.1-36 Time Setting Dialog Box There is a ‘USB Export’...

  • Page 27: Operating Record

    shown in Fig.1-36. The time input should be consistent with that of Fig.1-36. When a USB Memory Stick is inserted into the touch screen click the ‘Start Time’ or the ‘End Time’ text, a time setting dialog box will pop up, and then click the button ‘USB Export’, the screen will copy the alarm records selected to the USB Memory Stick.

  • Page 28: Waveform Display Screen

    Fig.1-39 Runtime Log Window 1.6 Waveform Display Screen Click the ‘Wave’ button on the main interface to enter the waveform display interface, as shown in Fig.1-40. On the waveform display interface, click the top left button to view MVC Instantaneous Curve, Operational Curve, Failure Record and click the ‘Main Menu’ button to return to the Main Screen.

  • Page 29: Running Curve

    Fig.1-41 Transient Curve Menu Dialog Box 1.6.2 Running Curve Click the ‘Running Curve’ button on the Waveform Display Screen to view the MVC Operational Curve., The Input voltage waveform is displayed in the Fig.1-42. Fig.1-42 Running Curve Window In Fig.1-42, click the ‘Operational Curve Selection’ button, the Operational Curve selection dialog box will pop up.

  • Page 30: Fault Record

    Fig.1-43 Running Curve Menu Dialog Box 1.6.3 Fault Record Click the ‘Fault Record’ button on the waveform display interface to view a waveform of the physical quantities in the event of a MVC fault. The input voltage waveform in the event of a fault is displayed in Fig.1-44.

  • Page 31: Help Screen

    Fig.1-45 Fault Record Menu Dialog Box In the failure record Screen shown in Fig.1-44, the following keys may be used to query recent data: Step back, move forward one screen. Step back, move forward 2 columns at a time. Step back, move forward 1 columns at a time. Step foward, move forward 1 columns at a time.
  • Page 32 Fig.1-46 Process Flow The Safety Info. Screen describes the main safety problem of MVC during installation and operation. which is shown as Fig.1-47. Fig.1-47 Safety Information The Version Info Screen describes the CPU board and touch screen program version, for the convenience of commissioning personnel.
  • Page 33 Fig.1-48 Version Information The Service Info Screen describes the Tel and Fax of the technical support center, as well as the company address, which is shown as Fig.1-49 . Fig.1-49 Service Information...

  • Page 34: Chapter 2 Trial Run

    2 Chapter 2 Trial Run This section describes the series of steps required for a trial run. 2.1 Trial Run Steps 2.1.1 Check And Screw Fastenings  Check all safety marks are present, ensure all cabinet components are without damage, ensure there is no foreign material present in the cabinet.

  • Page 35: Basic Parameter Settings

    Fig.2-1 Main MVC Display Screen 2.1.4 Basic Parameter Settings Set the basic parameters of the MVC Table 2-1 Basic Parameter Settings Item Content MVC Rated Voltage Take kV as unit to set rated voltage of MVC MVC Rated Current Take A as unit to set rated current of MVC Motor Rated Voltage Take kV as unit to set rated voltage of motor Motor Rated Current...

  • Page 36: Main Circuit Power Supply Connection

    2.1.6 Main Circuit Power Supply Connection 频率：Hz 最高频率 A-108 Attention A-107 最低频率 A-101 A-102 A-103 A-104 A-105 A-106 时间：秒  Please connect main circuit power supply after confirming the MVC door state is closed. Please do not open the MVC door during the power on process, otherwise electric shock may occur. Please always confirm the following items before connecting the main circuit power supply: Make sure all switches are off ...

  • Page 37: Load Operation

    2.2.2 No-Load Operation  When the motor is in the no-load state (the load device is separated from the motor), select the start mode and frequency setting as local (selected by using the MVC ‘Local/Remote’ ’control knob underneath the touch screen). ...

  • Page 38: Chapter 3 Common Parameter

    3 Common parameter 3.1 Parameter List Name of the Parameter Name of the Parameter ： Parameter Group Speed Control Parameter Acceleration1 Deceleration1 Acceleration2 Deceleration2 Acceleration3 Deceleration3 Transition frequency1 Transition frequency2 Min frequency Max frequency ： Parameter Group Motor Parameters Variable frequency rated voltage Variable frequency rated current Rated voltage of the motor Rated current of the motor...

  • Page 39: Parameter List

    2.Functional Description :- The parameters function and setpoint. 3.Unit :- The setpoint unit. 4.Set range :- The set range of parameters, those parameters without a limited set range should be adjusted according to the site conditions. 5.Factory Settings :- Parameter factory settings, those parameters without fixed factory settings should be adjusted according to the site conditions.

  • Page 40: Motor Parameter

    The set time of MVC to rise from transition frequency 3 to Acceleration 3 >0 × ☆ transition frequency 2 in speed up process. The set time of MVC to drop from transition frequency 3 to Deceleration 3 >0 × ☆...
  • Page 41 frequency Rated speed of ☆ Rated speed of the motor R/min 1000 × the motor Motor number of Motor number of pole pairs Pair × ☆ pole pairs Motor stator ☆ Motor resistance Ω 0.005 × resistance Motor rotor ☆ Motor rotor resistance Ω...

  • Page 42: Chapter 4 Fault Diagnosis

    Fault information may also be exported via USB to a PC for review. 4.2 Troubleshooting The DNH DHVC series MVC has a perfect protection function so as to protect the equipment against damage under abnormal conditions. When the MVC is in a fault state, all IGBTs will be blocked, so that the motor has no power and will freewheel to a stop, the MCGS TPC saves and displays the fault record on the touch screen of the control cabinet.
  • Page 43 It is generally caused by input grounding, find Ground Fault Software detects ground fault which phase is grounded, and eliminate this Alarm problem Primary Motor current exceeds the setpoint Overcurrent Alarm and protection time 1. Too high load, reduce the load 2.
  • Page 44 1. Check whether power unit light illuminates normally 2. Replace the unit or replace the power unit Unit upgoing, control board card downgoing Unit board card loses power, Fault 3. Replace the PWM board card communication optical fibre is broken 4.

  • Page 45: User Side Faults

    Settings of the The sent value and feedback value 1. PWM board is damaged; PWM Board and Fault of the CPU and PWM are 2. Back board is damaged; CPU Board are inconsistent 3. CPU board shuts down or is damaged. Inconsistent 1.
  • Page 46 block the communication between the various MVC components i.e. aluminium processing plant.  User’s grounding conditions are poor and medium voltage exists in the ground bar.
  • Page 48 Jiaxing DNH Electronic Science&Technology Co.,Ltd Add: NO.1156 Gaoqiao Avenue, Tongxiang City, Zhejiang Province,P.R.China E-mail: 15858340140@163.com Fax:0086-0573-8868291 Hotline for international market: 0086-0573-88628290 Http://www.dnhdrive .com...

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